import operator
import re
from datetime import date, datetime, timezone

from dateutil.relativedelta import relativedelta
from django.apps import apps
from django.core.exceptions import ValidationError
from django.core.validators import MinValueValidator
from django.db import models
from django.db.models import Value
from django.db.models.functions import Concat
from django.urls import reverse, reverse_lazy
from django.utils import timezone
from django.utils.translation import gettext_lazy as _

from base.horilla_company_manager import HorillaCompanyManager
from base.models import Company, Department, JobPosition
from employee.models import BonusPoint, Employee
from horilla.horilla_middlewares import _thread_locals
from horilla.models import HorillaModel
from horilla_audit.methods import get_diff
from horilla_audit.models import HorillaAuditInfo, HorillaAuditLog
from horilla_views.cbv_methods import render_template

"""Objectives and key result section"""


class Period(HorillaModel):
    """this is a period model used for creating period"""

    period_name = models.CharField(max_length=150, unique=True)
    start_date = models.DateField()
    end_date = models.DateField()
    company_id = models.ManyToManyField(Company, blank=True, verbose_name=_("Company"))
    objects = HorillaCompanyManager("company_id")

    def __str__(self):
        return self.period_name

    def action_col(self):
        """
        For action column
        """

        return render_template(
            path="cbv/period/actions.html",
            context={"instance": self},
        )

    def detail_view(self):
        """
        detail view
        """

        url = reverse("period-detail-view", kwargs={"pk": self.pk})
        return url

    def detail_view_actions(self):
        """
        detail view actions
        """
        return render_template(
            path="cbv/period/detail_view_actions.html",
            context={"instance": self},
        )

    def company_id_detail(self):
        """
        interviewer in detail view
        """
        company_name = self.company_id.all()
        company_names_string = ", ".join([str(company) for company in company_name])
        return company_names_string


class KeyResult(HorillaModel):
    """model used to create key results"""

    PROGRESS_CHOICES = (
        ("%", _("Percentage")),
        ("#", _("Number")),
        ("Currency", (("$", "USD$"), ("₹", "INR"), ("€", "EUR"))),
    )
    title = models.CharField(
        max_length=60, null=True, blank=False, verbose_name="Title"
    )
    description = models.TextField(
        blank=False, null=False, max_length=255, verbose_name="Description"
    )
    progress_type = models.CharField(
        max_length=60, default="%", choices=PROGRESS_CHOICES
    )
    target_value = models.IntegerField(null=True, blank=True, default=100)
    duration = models.IntegerField(null=True, blank=True, help_text="In Days")
    archive = models.BooleanField(default=False)
    history = HorillaAuditLog(bases=[HorillaAuditInfo])
    company_id = models.ForeignKey(
        Company,
        null=True,
        blank=True,
        verbose_name=_("Company"),
        on_delete=models.CASCADE,
    )
    objects = HorillaCompanyManager()

    class Meta:
        """
        Meta class for additional options
        """

        ordering = [
            "-id",
        ]

    def __str__(self):
        return f"{self.title}"

    def get_progress_type(self):
        currency_dict = dict(self.PROGRESS_CHOICES[2][1])
        if self.progress_type in currency_dict:
            return currency_dict[self.progress_type]
        progress_dict = dict(self.PROGRESS_CHOICES)
        return progress_dict.get(self.progress_type)

    def action_col(self):
        """
        This method for get custome coloumn .
        """

        return render_template(
            path="cbv/key_results/actions.html",
            context={"instance": self},
        )

    def detail_action_col(self):
        """
        This method for get custome coloumn .
        """

        return render_template(
            path="cbv/key_results/detail_view_actions.html",
            context={"instance": self},
        )

    def get_avatar(self):
        """
        Method will return the API URL for the avatar or the path to the profile image.
        """
        sanitized_title = re.sub(r"[^a-zA-Z0-9\s]", "", self.title)
        sanitized_title = sanitized_title.replace(" ", "+")
        url = f"https://ui-avatars.com/api/?name={sanitized_title}&background=random"
        return url

    def get_delete_url(self):
        """
        to get the delete url for card action delete
        """

        url = reverse("delete-key-result", kwargs={"obj_id": self.pk})
        return url

    def get_detail_url(self):
        """
        Detail view url
        """
        url = reverse_lazy("key-result-detail-view", kwargs={"pk": self.pk})
        return url

    def get_update_url(self):
        """
        to get the update url for card action update
        """

        url = reverse("update-key-result", kwargs={"pk": self.pk})
        return url


class Objective(HorillaModel):
    """Model used for creating objectives"""

    DURATION_UNIT = (
        ("days", _("Days")),
        ("months", _("Months")),
        ("years", _("Years")),
    )
    title = models.CharField(
        null=False, blank=False, max_length=100, verbose_name="Title"
    )
    description = models.TextField(
        blank=False, null=False, max_length=255, verbose_name="Description"
    )
    managers = models.ManyToManyField(
        Employee, related_name="objective", blank=True, verbose_name="Managers"
    )
    assignees = models.ManyToManyField(
        Employee,
        related_name="assignees_objective",
        blank=True,
        verbose_name="Assignees",
    )
    key_result_id = models.ManyToManyField(
        KeyResult,
        blank=True,
        related_name="objective",
        verbose_name="Default Key results",
    )
    duration_unit = models.CharField(
        max_length=20,
        choices=DURATION_UNIT,
        null=True,
        blank=True,
        default="days",
        verbose_name="Duration Unit",
    )
    duration = models.IntegerField(default=1, validators=[MinValueValidator(0)])
    add_assignees = models.BooleanField(default=False)
    archive = models.BooleanField(default=False)
    history = HorillaAuditLog(bases=[HorillaAuditInfo])
    company_id = models.ForeignKey(
        Company,
        null=True,
        blank=True,
        verbose_name=_("Company"),
        on_delete=models.CASCADE,
    )
    self_employee_progress_update = models.BooleanField(default=True)
    objects = HorillaCompanyManager()

    class Meta:
        """
        Meta class for additional options
        """

        ordering = [
            "-id",
        ]

    def __str__(self):
        return f"{self.title}"

    def get_instance_id(self):
        return self.pk

    def title_col(self):
        """
        For title column
        """

        return render_template(
            path="cbv/objectives/title.html",
            context={"instance": self},
        )

    def manager_col(self):
        """
        For manager column
        """

        return render_template(
            path="cbv/objectives/manager.html",
            context={"instance": self},
        )

    def actions_col(self):
        """
        For action column
        """

        return render_template(
            path="cbv/objectives/actions.html",
            context={"instance": self},
        )

    def self_action_col(self):
        """
        For self action column
        """

        return render_template(
            path="cbv/objectives/self_objective_action.html",
            context={"instance": self},
        )

    def key_res_col(self):
        """
        For Key results column
        """

        return render_template(
            path="cbv/objectives/key_results.html",
            context={"instance": self},
        )

    def self_key_res_col(self):
        """
        For Key results column for employee objectives
        """

        return render_template(
            path="cbv/objectives/self_key_results.html",
            context={"instance": self},
        )

    def assingnees_col(self):
        """
        For Key results column
        """

        return render_template(
            path="cbv/objectives/assignees.html",
            context={"instance": self},
        )

    def duration_col(self):
        """
        Duration col
        """
        return (
            str(self.duration) + " " + dict(self.DURATION_UNIT).get(self.duration_unit)
        )

    def get_employee_objective(self):

        request = getattr(_thread_locals, "request", None)
        user = request.user.employee_get
        emp_object = self.employee_objective.get(employee_id=user, objective_id=self.id)
        return emp_object

    def get_individual_url(self):
        """
        Detail view of employee objective
        """
        url = reverse_lazy("objective-detailed-view", kwargs={"obj_id": self.pk})
        return url

    def save(self, *args, **kwargs):
        request = getattr(_thread_locals, "request", None)
        selected_company = request.session.get("selected_company")
        if (
            not self.id
            and not self.company_id
            and selected_company
            and selected_company != "all"
        ):
            self.company_id = Company.find(selected_company)

        super().save()


class EmployeeObjective(HorillaModel):
    """this is a EmployObjective model used for creating Employee objectives"""

    STATUS_CHOICES = (
        ("Not Started", _("Not Started")),
        ("On Track", _("On Track")),
        ("Behind", _("Behind")),
        ("At Risk", _("At Risk")),
        ("Closed", _("Closed")),
    )
    objective = models.CharField(
        null=True,
        blank=True,
        max_length=100,
        verbose_name="Title",
    )
    objective_description = models.TextField(
        blank=True,
        null=True,
        max_length=255,
        verbose_name="Description",
    )
    created_at = models.DateField(auto_now_add=True)
    objective_id = models.ForeignKey(
        Objective,
        null=True,
        blank=True,
        related_name="employee_objective",
        verbose_name="Objective",
        on_delete=models.PROTECT,
    )
    employee_id = models.ForeignKey(
        Employee,
        null=True,
        blank=True,
        related_name="employee_objective",
        on_delete=models.PROTECT,
        verbose_name="Employee",
    )
    key_result_id = models.ManyToManyField(
        KeyResult,
        blank=True,
        related_name="employee_objective",
        verbose_name="Key results",
    )
    updated_at = models.DateField(auto_now=True)
    start_date = models.DateField(null=False, blank=False)
    end_date = models.DateField(null=False, blank=False)
    status = models.CharField(
        max_length=20,
        choices=STATUS_CHOICES,
        null=False,
        blank=False,
        default="Not Started",
    )
    progress_percentage = models.IntegerField(default=0)

    history = HorillaAuditLog(bases=[HorillaAuditInfo], related_name="history_set")
    archive = models.BooleanField(default=False)
    objects = HorillaCompanyManager("employee_id__employee_work_info__company_id")

    class Meta:
        """
        Meta class for additional options
        """

        unique_together = ("employee_id", "objective_id")

    def update_objective_progress(self):
        """
        used for updating progress percentage when current value of key result change
        """
        krs = self.employee_key_result.all()
        if len(krs) > 0:
            current = 0
            for kr in krs:
                current += min(kr.progress_percentage, 100)
            self.progress_percentage = int(current / len(krs))
            self.save()

    def __str__(self):
        return f"{self.objective_id} | {self.employee_id}"

    def save(self, *args, **kwargs):
        if not self.pk and self.objective_id and self.start_date:
            duration = self.objective_id.duration
            if self.objective_id.duration_unit == "days":
                self.end_date = self.start_date + relativedelta(days=duration)
            elif self.objective_id.duration_unit == "months":
                self.end_date = self.start_date + relativedelta(months=duration)
            elif self.objective_id.duration_unit == "years":
                self.end_date = self.start_date + relativedelta(years=duration)
        # Add assignees to the objective
        objective = self.objective_id
        if self.employee_id not in objective.assignees.all():
            objective.assignees.add(self.employee_id)
        super().save(*args, **kwargs)

    def tracking(self):
        return get_diff(self)

    def employee_objective_detail_view(self):
        """
        for detail view of page
        """
        url = reverse("view-employee-objective", kwargs={"pk": self.pk})
        return url

    def title_col(self):
        """
        For title column
        """

        return render_template(
            path="cbv/objectives/title.html",
            context={"instance": self},
        )

    def emp_obj_action(self):
        """
        Action in detail view
        """

        return render_template(
            path="cbv/objectives/emp_obj_actions.html",
            context={"instance": self},
        )

    def status_col(self):
        """
        For status column
        """
        objective_key_result_status = self.STATUS_CHOICES

        return render_template(
            path="cbv/objectives/employee_objective_status.html",
            context={
                "instance": self,
                "objective_key_result_status": objective_key_result_status,
            },
        )

    def objective_detail_subtitle(self):
        """
        Return subtitle containing both department and job position information.
        """
        return f"{self.employee_id.get_department()} / {self.employee_id.get_job_position()}"

    def manager_col(self):
        """
        For manager column
        """

        return render_template(
            path="cbv/objectives/manager.html",
            context={"instance": self},
        )

    def actions_col(self):
        """
        For action column
        """

        return render_template(
            path="cbv/objectives/actions.html",
            context={"instance": self},
        )

    def self_action_col(self):
        """
        For self action column
        """

        return render_template(
            path="cbv/objectives/self_objective_action.html",
            context={"instance": self},
        )

    def key_res_col(self):
        """
        For Key results column
        """

        return render_template(
            path="cbv/objectives/key_results.html",
            context={"instance": self},
        )

    def assingnees_col(self):
        """
        For Key results column
        """

        return render_template(
            path="cbv/objectives/assignees.html",
            context={"instance": self},
        )

    def duration_col(self):
        """
        Duration col
        """
        return (
            str(self.objective_id.duration)
            + " "
            + dict(self.objective_id.DURATION_UNIT).get(self.objective_id.duration_unit)
        )


class Comment(models.Model):
    """comments for objectives"""

    comment = models.TextField()
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.DO_NOTHING,
        related_name="comment",
        null=True,
        blank=True,
    )
    employee_objective_id = models.ForeignKey(
        EmployeeObjective,
        on_delete=models.CASCADE,
        related_name="emp_objective",
        null=True,
        blank=True,
    )
    created_at = models.DateTimeField(auto_now_add=True, null=True, blank=True)
    history = HorillaAuditLog(excluded_fields=["comment"], bases=[HorillaAuditInfo])
    objects = HorillaCompanyManager(
        related_company_field="employee_id__employee_work_info__company_id"
    )

    def __str__(self):
        return f"{self.employee_id.employee_first_name} - {self.comment} "


class EmployeeKeyResult(models.Model):
    """employee key result creation"""

    PROGRESS_CHOICES = (
        ("%", _("Percentage")),
        ("#", _("Number")),
        ("Currency", (("$", "USD$"), ("₹", "INR"), ("€", "EUR"))),
    )
    STATUS_CHOICES = (
        ("Not Started", _("Not Started")),
        ("On Track", _("On Track")),
        ("Behind", _("Behind")),
        ("At Risk", _("At Risk")),
        ("Closed", _("Closed")),
    )

    key_result = models.CharField(max_length=60, null=True, blank=True)
    key_result_description = models.TextField(blank=True, null=True, max_length=255)
    employee_objective_id = models.ForeignKey(
        EmployeeObjective,
        null=True,
        blank=True,
        related_name="employee_key_result",
        on_delete=models.CASCADE,
    )
    key_result_id = models.ForeignKey(
        KeyResult,
        null=True,
        blank=True,
        related_name="employee_key_result",
        verbose_name="Key result",
        on_delete=models.PROTECT,
    )
    progress_type = models.CharField(
        max_length=60, null=True, blank=True, choices=PROGRESS_CHOICES
    )
    status = models.CharField(
        max_length=20,
        choices=STATUS_CHOICES,
        null=True,
        blank=True,
        default="Not Started",
    )
    created_at = models.DateField(auto_now_add=True, blank=True, null=True)
    updated_at = models.DateField(auto_now=True, null=True, blank=True)
    start_value = models.IntegerField(null=True, blank=True, default=0)
    current_value = models.IntegerField(null=True, blank=True, default=0)
    target_value = models.IntegerField(null=True, blank=True, default=0)
    start_date = models.DateField(null=True, blank=True)
    end_date = models.DateField(null=True, blank=True)
    history = HorillaAuditLog(bases=[HorillaAuditInfo])
    objects = HorillaCompanyManager(
        related_company_field="employee_objective_id__objective_id__company_id"
    )
    progress_percentage = models.IntegerField(default=0)

    def __str__(self):
        return f"{self.key_result_id} | {self.employee_objective_id.employee_id}"

    def get_update_url(self):
        """
        to get the update url for card action update
        """

        url = reverse("employee-key-result-update", kwargs={"pk": self.pk})
        return url

    def get_delete_url(self):
        """
        to get the delete url for card action delete
        """

        url = reverse("delete-employee-keyresult", kwargs={"kr_id": self.pk})
        return url

    def key_result_column(self):

        today = datetime.today().date()
        return render_template(
            path="cbv/dashboard/keyresult_col.html",
            context={"instance": self, "today": today},
        )

    def actions_col(self):

        return render_template(
            path="cbv/dashboard/actions.html",
            context={"instance": self},
        )

    def title_col(self):
        """
        For title column
        """
        due = None
        color = "success"
        if self.end_date:
            due = (
                f"due {self.end_date}"
                if self.end_date == date.today()
                else f"due in{self.end_date - date.today()}"
            )

            if self.end_date < date.today():
                color = "danger"
            elif self.end_date == date.today():
                color = "warning"

        col = f"""
        <span class='d-flex justify-content-between align-items-center'
        >
            {self.key_result}
            <span title = 'due  {due}'>
                <ion-icon
                    class="text-{color}"
                    name="time-sharp"
                >
                </ion-icon>
            </span>
        </span>
        """

        return col

    def get_current_value_col(self):
        """
        For current value column
        """
        # request is required
        request = _thread_locals.request
        if (
            request.user.has_perm("pms.change_objective")
            or request.user.has_perm("pms.change_employeeobjective")
            or request.user.has_perm("pms.change_employeekeyresult")
            or request.user.employee_get
            in self.employee_objective_id.objective_id.managers.all()
            or (
                self.employee_objective_id.objective_id.self_employee_progress_update
                and (
                    self.employee_objective_id.employee_id == request.user.employee_get
                )
            )
        ):
            col = f"""
                <input
                    id = "{self.id}"
                    type="number" class="oh-input p-1"
                    style="width: 100px;"
                    min="0"
                    value="{self.current_value}"
                    name="current_value"
                    onchange="delayedProgress(this)"
                />
            """
            return col
        return self.current_value

    def get_progress_col(self):
        """
        For progress column
        """
        col = f"""
        <span class="progressPercentage"> {self.progress_percentage}%</span>
        """
        return col

    def status_col(self):
        """
        For status column
        """
        update_url = reverse(
            "employee-keyresult-update-status", kwargs={"kr_id": self.pk}
        )
        options = "".join(
            f"<option value='{str(key)}' {'selected' if key == self.status else ''}>{str(value)}</option>"
            for key, value in self.STATUS_CHOICES
        )

        col = f"""
            <select
                id="keyResultStatus" name="key_result_status"
                hx-post="{update_url}"
                hx-trigger="change" class="oh-table__editable-input w-100"
                hx-on-htmx-after-request = "$('#reloadMessagesButton').click()"
                hx-swap = "none"
            >
                    {options}
            </select>
        """
        return col

    def get_instance_id(self):
        return self.pk

    def current_value_col(self):

        return render_template(
            path="cbv/dashboard/current_value.html",
            context={"instance": self},
        )

    def progress_col(self):

        return f'<div class="p-percentage">{self.progress_percentage}%</div>'

    def target_value_col(self):
        return f'<div data-value="{self.target_value}">{self.target_value}</div>'

    def update_kr_progress(self):
        if self.target_value != 0:
            self.progress_percentage = (
                int(self.current_value) / int(self.target_value)
            ) * 100

    def clean(self):
        from pms.forms import validate_date

        super().clean()
        start_date = self.start_date
        end_date = self.end_date
        # Check that start date is before end date
        validate_date(start_date, end_date)
        start_value = self.start_value
        current_value = self.current_value
        target_value = self.target_value

        # Unique constraint employee_objective_id and key_result_id
        if self.pk:
            if (
                EmployeeKeyResult.objects.filter(
                    key_result_id=self.key_result_id,
                    employee_objective_id=self.employee_objective_id,
                )
                .exclude(id=self.pk)
                .exists()
            ):
                raise ValidationError(
                    _(
                        f"{self.employee_objective_id.employee_id} already assigned {self.key_result_id}."
                    )
                )
        else:
            if EmployeeKeyResult.objects.filter(
                key_result_id=self.key_result_id,
                employee_objective_id=self.employee_objective_id,
            ).exists():
                raise ValidationError(
                    _(
                        f"{self.employee_objective_id.employee_id} already assigned {self.key_result_id}."
                    )
                )
        if target_value == 0:
            raise ValidationError(
                {"target_value": _("The target value can't be zero.")}
            )
        if self.key_result_id.progress_type == "%" and target_value > 100:
            raise ValidationError(
                {
                    "target_value": _(
                        "The key result progress type is in percentage, so the target value cannot exceed 100."
                    )
                }
            )
        if start_value > current_value or start_value > target_value:
            raise ValidationError(
                "The start value can't be greater than current value or target value."
            )
        # if current_value > target_value:
        #     raise ValidationError(
        #         {
        #             "current_value": _(
        #                 "The current value can't be greater than target value."
        #             )
        #         }
        #     )

    def save(self, *args, **kwargs):
        if self.start_date and not self.end_date:
            self.end_date = self.start_date + relativedelta(
                days=self.key_result_id.duration
            )
        if not self.pk and not self.current_value:
            self.current_value = self.start_value
        if self.key_result_id:
            self.key_result = self.key_result_id.title
        self.update_kr_progress()
        super().save(*args, **kwargs)
        self.employee_objective_id.update_objective_progress()

    class meta:
        """
        Meta class to add some additional options
        """

        unique_together = ("key_result_id", "employee_objective_id")


"""360degree feedback section"""


class QuestionTemplate(HorillaModel):
    """question template creation"""

    question_template = models.CharField(
        max_length=100, null=False, blank=False, unique=True, verbose_name="Title"
    )
    company_id = models.ManyToManyField(Company, blank=True, verbose_name=_("Company"))

    objects = HorillaCompanyManager("company_id")

    def __str__(self):
        return self.question_template

    def question_count(self):
        return self.question.count()

    def action_col(self):
        """
        For action column
        """

        return render_template(
            path="cbv/question_template/actions.html",
            context={"instance": self},
        )

    def get_avatar(self):
        """
        Method will retun the api to the avatar or path to the question template
        """
        url = f"https://ui-avatars.com/api/?name={self.question_template}&background=random"
        return url

    def get_detail_url(self):
        """
        Detail view url
        """
        url = reverse_lazy(
            "question-template-detailed-view", kwargs={"template_id": self.pk}
        )
        return url


class Question(HorillaModel):
    """question creation"""

    QUESTION_TYPE_CHOICE = (
        ("1", _("Text")),
        ("2", _("Rating")),
        ("3", _("Boolean")),
        ("4", _("Multi-choices")),
        ("5", _("Likert")),
    )
    question = models.CharField(max_length=250, null=False, blank=False)
    question_type = models.CharField(
        choices=QUESTION_TYPE_CHOICE, max_length=100, null=True, blank=True
    )
    template_id = models.ForeignKey(
        QuestionTemplate,
        on_delete=models.CASCADE,
        related_name="question",
        null=True,
        blank=True,
    )
    objects = HorillaCompanyManager("template_id__company_id")

    def __str__(self):
        return self.question


class QuestionOptions(HorillaModel):
    """options for question"""

    question_id = models.ForeignKey(
        Question,
        on_delete=models.PROTECT,
        related_name="question_options",
        null=True,
        blank=True,
    )
    option_a = models.CharField(max_length=250, null=True, blank=True)
    option_b = models.CharField(max_length=250, null=True, blank=True)
    option_c = models.CharField(max_length=250, null=True, blank=True)
    option_d = models.CharField(max_length=250, null=True, blank=True)
    objects = HorillaCompanyManager("question_id__template_id__company_id")


class Feedback(HorillaModel):
    """feedback model for creating feedback"""

    STATUS_CHOICES = (
        ("On Track", _("On Track")),
        ("Behind", _("Behind")),
        ("Closed", _("Closed")),
        ("At Risk", _("At Risk")),
        ("Not Started", _("Not Started")),
    )
    PERIOD = (
        ("days", _("Days")),
        ("months", _("Months")),
        ("years", _("Years")),
    )
    review_cycle = models.CharField(
        max_length=100, null=False, blank=False, verbose_name=_("Title")
    )
    manager_id = models.ForeignKey(
        Employee,
        related_name="feedback_manager",
        on_delete=models.DO_NOTHING,
        null=True,
        blank=True,
        verbose_name=_("Manager"),
    )
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.DO_NOTHING,
        related_name="feedback_employee",
        null=False,
        blank=False,
        verbose_name=_("Employee"),
    )
    colleague_id = models.ManyToManyField(
        Employee,
        related_name="feedback_colleague",
        blank=True,
        verbose_name=_("Colleague"),
        help_text=_("Employees working on the same department."),
    )
    subordinate_id = models.ManyToManyField(
        Employee,
        related_name="feedback_subordinate",
        blank=True,
        verbose_name=_("Subordinates"),
        help_text=_(
            "Employees for whom the feedback requester is the reporting manager"
        ),
    )
    others_id = models.ManyToManyField(
        Employee,
        related_name="feedback_others",
        blank=True,
        verbose_name=_("Other Employees"),
    )
    question_template_id = models.ForeignKey(
        QuestionTemplate,
        on_delete=models.DO_NOTHING,
        related_name="feedback_question_template",
        null=False,
        blank=False,
        verbose_name=_("Question Template"),
    )
    status = models.CharField(
        max_length=50, choices=STATUS_CHOICES, default="Not Started"
    )
    archive = models.BooleanField(null=True, blank=True, default=False)
    start_date = models.DateField(null=False, blank=False, verbose_name=_("Start Date"))
    end_date = models.DateField(null=True, blank=False, verbose_name=_("End Date"))
    employee_key_results_id = models.ManyToManyField(
        EmployeeKeyResult, blank=True, verbose_name=_("Key Result")
    )
    cyclic_feedback = models.BooleanField(
        default=False, verbose_name=_("Is Cyclic Feedback")
    )
    cyclic_feedback_days_count = models.IntegerField(
        blank=True, null=True, verbose_name=_("Cycle Period")
    )
    cyclic_feedback_period = models.CharField(
        max_length=50, choices=PERIOD, blank=True, null=True
    )
    cyclic_next_start_date = models.DateField(null=True, blank=True)
    cyclic_next_end_date = models.DateField(null=True, blank=True)

    objects = HorillaCompanyManager("employee_id__employee_work_info__company_id")

    class Meta:
        ordering = ["-id"]
        verbose_name = _("Feedback")
        verbose_name_plural = _("Feedbacks")

    def save(self, *args, **kwargs):
        start_date = self.start_date
        end_date = self.end_date
        cyclic_feedback_period = self.cyclic_feedback_period
        cyclic_feedback_days_count = self.cyclic_feedback_days_count

        if cyclic_feedback_period == "months":
            self.cyclic_next_start_date = self.start_date + relativedelta(
                months=cyclic_feedback_days_count
            )
            self.cyclic_next_end_date = end_date + relativedelta(
                months=cyclic_feedback_days_count
            )
        elif cyclic_feedback_period == "years":
            self.cyclic_next_start_date = start_date + relativedelta(
                years=cyclic_feedback_days_count
            )
            self.cyclic_next_end_date = end_date + relativedelta(
                years=cyclic_feedback_days_count
            )
        elif cyclic_feedback_period == "days":
            self.cyclic_next_start_date = start_date + relativedelta(
                days=cyclic_feedback_days_count
            )
            self.cyclic_next_end_date = end_date + relativedelta(
                days=cyclic_feedback_days_count
            )

        super().save(*args, **kwargs)

    def __str__(self):
        return f"{self.employee_id.employee_first_name} - {self.review_cycle}"

    def due_days_diff(self):
        """
        Returns number of days between current date and end_date.
        """
        current_date = timezone.now().date()
        if not self.end_date:
            return None
        return (self.end_date - current_date).days

    def custom_status_style(self):
        """
        method for rendering custom status col
        """

        return render_template(
            path="cbv/360_feedback/custom_status_col.html",
            context={"instance": self},
        )

    def custom_actions_col(self):
        """
        method for rendering custom actions col
        """

        return render_template(
            path="cbv/360_feedback/custom_actions.html",
            context={"instance": self},
        )

    def get_individual_feedback(self):
        """
        This method to get individual feedback
        """

        url = reverse_lazy("feedback-detailed-view", kwargs={"id": self.pk})
        return url

    def get_feedback_due_date(self):
        """
        Due display
        """
        if self.status == "Closed":
            return self.end_date.strftime("%b %d, %Y")
        current_date = timezone.now().date()
        date_diff = (self.end_date - current_date).days

        status = (
            "danger"
            if self.end_date < current_date
            else "warning" if self.end_date == current_date else "success"
        )

        title_text = (
            "Due today"
            if self.end_date == current_date
            else (
                f"Over due by {abs(date_diff)} days"
                if self.end_date < current_date
                else f"Due in {date_diff} days"
            )
        )

        html = f"""
            <span title="{title_text}">
                <ion-icon
                    class="text-{status}"
                    name="time-sharp"
                >
                </ion-icon>
            </span>
        """

        return f"{self.end_date.strftime('%b %d, %Y')} {html}"

    def custom_due_in_col(self):
        """
        This method fro custom due in col
        """
        return render_template(
            path="cbv/360_feedback/due_in_col.html",
            context={"instance": self, "current_date": datetime.today()},
        )

    def requested_employees(self):
        employees = set(self.subordinate_id.all())
        employees.update(self.colleague_id.all())
        employees.update(self.others_id.all())
        if self.manager_id:
            employees.add(self.manager_id)
        if self.employee_id:
            employees.add(self.employee_id)
        return list(employees)

    def question_answer(self):
        """
        Returns all the values list of question inside the template
        """
        # Employee.objects.select_related()
        return list(
            self.feedback_answer.annotate(
                answer_by=Concat(
                    "employee_id__employee_first_name",
                    Value(" "),
                    "employee_id__employee_last_name",
                    Value(" ("),
                    "employee_id__badge_id",
                    Value(")"),
                ),
            ).values(
                "question_id__question",
                "answer",
                "answer_by",
            )
        )


class AnonymousFeedback(models.Model):
    """feedback model for creating feedback"""

    STATUS_CHOICES = (
        ("On Track", _("On Track")),
        ("Behind", _("Behind")),
        ("Closed", _("Closed")),
        ("At Risk", _("At Risk")),
        ("Not Started", _("Not Started")),
    )
    BASED_ON_CHOICES = (
        ("general", _("General")),
        ("employee", _("Employee")),
        ("department", _("Department")),
        ("job_position", _("Job Position")),
    )
    feedback_subject = models.CharField(max_length=100, null=False, blank=False)
    based_on = models.CharField(
        max_length=50, choices=BASED_ON_CHOICES, default="general"
    )
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.CASCADE,
        null=True,
        blank=True,
        verbose_name=_("Employee"),
    )
    department_id = models.ForeignKey(
        Department,
        on_delete=models.CASCADE,
        null=True,
        blank=True,
        verbose_name=_("Department"),
    )
    job_position_id = models.ForeignKey(
        JobPosition,
        on_delete=models.CASCADE,
        null=True,
        blank=True,
        verbose_name=_("Job Position"),
    )
    status = models.CharField(
        max_length=50, choices=STATUS_CHOICES, default="Not Started"
    )
    created_at = models.DateField(auto_now_add=True)
    archive = models.BooleanField(null=True, blank=True, default=False)
    anonymous_feedback_id = models.CharField(
        max_length=10, null=True, blank=False, editable=False
    )
    feedback_description = models.TextField(null=True, blank=True, max_length=255)
    objects = models.Manager()

    def __str__(self) -> str:
        return f"Feedback based on a {self.based_on}"

    def clean(self, *args, **kwargs):
        if self.based_on == "employee":
            self._validate_required_field("employee_id", "Employee")
            self.department_id = None
            self.job_position_id = None
        elif self.based_on == "department":
            self._validate_required_field("department_id", "Department")
            self.employee_id = None
            self.job_position_id = None
        elif self.based_on == "job_position":
            self._validate_required_field("job_position_id", "Job Position")
            self.employee_id = None
            self.department_id = None

        return super().clean(*args, **kwargs)

    def _validate_required_field(self, field_name, field_label):
        if not getattr(self, field_name):
            raise ValidationError(
                {
                    field_name: _(
                        f"The {field_label} field is required when the 'Based on' field is set to '{field_label}'."
                    )
                }
            )

    def anonymous_actions_col(self):
        """
        method for rendering custom actions col
        """

        return render_template(
            path="cbv/360_feedback/anonymous_action.html",
            context={"instance": self},
        )

    def get_based_on_value(self):
        """
        return based on condition
        """
        if self.based_on == "employee":
            return f"Based On  :  {self.employee_id}"
        elif self.based_on == "department":
            return f"Based On  :  {self.department_id}"
        elif self.based_on == "job_position":
            return f"Based On  :  {self.job_position_id}"
        else:
            return "Based On  :  General"

    def get_individual_anonymous_feedback(self):
        """
        This method to get individual feedback
        """

        url = reverse_lazy("single-anonymous-feedback-view", kwargs={"pk": self.pk})
        return url

    def detail_view_subtitle(self):
        return "Anonymous Feedback"


class Answer(models.Model):
    """feedback answer model"""

    answer = models.JSONField(max_length=200, null=True, blank=True)
    question_id = models.ForeignKey(
        Question,
        on_delete=models.DO_NOTHING,
        related_name="answer_question_id",
        null=True,
        blank=True,
    )
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.DO_NOTHING,
        related_name="employee_answer",
        null=True,
        blank=True,
    )
    feedback_id = models.ForeignKey(
        Feedback, on_delete=models.PROTECT, related_name="feedback_answer"
    )
    objects = HorillaCompanyManager("employee_id__employee_work_info__company_id")

    def __str__(self):
        return f"{self.employee_id.employee_first_name} - {self.answer}"


class KeyResultFeedback(models.Model):
    feedback_id = models.ForeignKey(
        Feedback,
        on_delete=models.PROTECT,
        related_name="feedback_key_result",
        null=True,
        blank=True,
    )
    employee_id = models.ForeignKey(
        Employee, on_delete=models.DO_NOTHING, related_name="employee_key_result"
    )
    answer = models.JSONField(max_length=200, null=True, blank=True)
    key_result_id = models.ForeignKey(
        EmployeeKeyResult,
        related_name="key_result_feedback",
        null=True,
        blank=True,
        on_delete=models.DO_NOTHING,
    )
    objects = HorillaCompanyManager("employee_id__employee_work_info__company_id")


class Meetings(HorillaModel):
    title = models.CharField(max_length=100)
    date = models.DateTimeField(null=True, blank=True)
    employee_id = models.ManyToManyField(
        Employee,
        related_name="meeting_employee",
        verbose_name=_("Employee"),
    )
    manager = models.ManyToManyField(Employee, related_name="meeting_manager")
    answer_employees = models.ManyToManyField(
        Employee,
        blank=True,
        related_name="meeting_answer_employees",
        verbose_name=_("Answerable Employees"),
        help_text=_(
            "Select the employees who can respond to question template in this meeting's, if any are added."
        ),
    )
    question_template = models.ForeignKey(
        QuestionTemplate, on_delete=models.PROTECT, null=True, blank=True
    )
    response = models.TextField(null=True, blank=True)
    show_response = models.BooleanField(default=False, editable=False)
    company_id = models.ForeignKey(
        Company,
        null=True,
        blank=True,
        editable=False,
        verbose_name=_("Company"),
        on_delete=models.CASCADE,
    )
    objects = HorillaCompanyManager()

    class Meta:
        verbose_name = _("Meetings")
        verbose_name_plural = _("Meetings")

    def __str__(self):
        return self.title

    def title_col(self):
        """
        For title column
        """

        return render_template(
            path="cbv/meetings/title.html",
            context={"instance": self},
        )

    def answerable_col(self):
        """
        manager in detail view
        """
        employees = self.answer_employees.all()
        if employees:
            employee_names_string = ", ".join(
                str(employee.get_full_name()) for employee in employees
            )
            return employee_names_string
        else:
            return ""

    def detail_action(self):
        """
        For answerable employees  column
        """

        return render_template(
            path="cbv/meetings/detail_action.html",
            context={"instance": self},
        )

    def date_col(self):
        """
        For date column
        """

        return render_template(
            path="cbv/meetings/date.html",
            context={"instance": self},
        )

    def employees_col(self):
        """
        For employees column
        """

        return render_template(
            path="cbv/meetings/employees.html",
            context={"instance": self},
        )

    def managers_col(self):
        """
        For manager column
        """

        return render_template(
            path="cbv/meetings/managers.html",
            context={"instance": self},
        )

    def action_col(self):
        """
        For action column
        """

        return render_template(
            path="cbv/meetings/actions.html",
            context={"instance": self},
        )

    def employ_detail_col(self):
        """
        employees in detail view
        """
        employees = self.employee_id.all()
        if employees:
            employee_names_string = ", ".join(
                str(employee.get_full_name()) for employee in employees
            )
            return employee_names_string
        else:
            return ""

    def manager_detail_col(self):
        """
        manager in detail view
        """
        employees = self.manager.all()
        if employees:
            employee_names_string = ", ".join(
                str(employee.get_full_name()) for employee in employees
            )
            return employee_names_string
        else:
            return ""

    def mom_detail_col(self):
        request = getattr(_thread_locals, "request", None)
        if not self.response:
            return "-"
        if (
            request.user.has_perm("pms.view_meetings")
            or request.user.employee_get in self.manager.all()
        ):
            return self.response
        return "-" if not self.show_response else self.response

    def mom_col(self):
        return render_template(
            path="cbv/meetings/mom_col.html",
            context={"instance": self},
        )

    def diff_cell(self):
        request = getattr(_thread_locals, "request", None)
        if not getattr(self, "request", None):
            self.request = request
        if request.user.employee_get in self.manager.all():
            return f'style="background-color: rgba(255, 166, 0, 0.158);" '

    def meeting_detail_view(self):
        """
        detail view
        """
        url = reverse("meetings-detail-view", kwargs={"pk": self.pk})
        return url

    def get_avatar(self):
        """
        Method will retun the api to the avatar or path to the profile image
        """
        url = f"https://ui-avatars.com/api/?name={self.title}&background=random"
        return url

    def save(self, *args, **kwargs):
        request = getattr(_thread_locals, "request", None)
        selected_company = request.session.get("selected_company")
        if (
            not self.id
            and not self.company_id
            and selected_company
            and selected_company != "all"
        ):
            self.company_id = Company.find(selected_company)

        super().save()


class MeetingsAnswer(models.Model):
    """feedback answer model"""

    answer = models.JSONField(max_length=200, null=True, blank=True)
    question_id = models.ForeignKey(
        Question,
        on_delete=models.DO_NOTHING,
        related_name="meeting_answer_question_id",
        null=True,
        blank=True,
    )
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.DO_NOTHING,
        related_name="employee_meeting_answer",
        null=True,
        blank=True,
        verbose_name="Employee",
    )
    meeting_id = models.ForeignKey(
        Meetings, on_delete=models.PROTECT, related_name="meeting_answer"
    )
    objects = HorillaCompanyManager("employee_id__employee_work_info__company_id")

    def __str__(self):
        return f"{self.employee_id.employee_first_name} - {self.answer}"


class EmployeeBonusPoint(HorillaModel):
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.DO_NOTHING,
        related_name="employe_bonus_point",
        null=True,
        blank=True,
        verbose_name="Employee",
    )
    bonus_point = models.IntegerField(default=0)
    instance = models.CharField(max_length=150, null=True, blank=True)
    based_on = models.CharField(max_length=150)
    bonus_point_id = models.ForeignKey(
        BonusPoint,
        null=True,
        blank=True,
        on_delete=models.CASCADE,
        related_name="employeebonuspoint_set",
    )
    objects = HorillaCompanyManager("employee_id__employee_work_info__company_id")

    def __str__(self):
        return f"{self.employee_id.employee_first_name} - {self.bonus_point}"

    def action_template(self):
        """
        This method for get custom column for managers.
        """
        return render_template(
            path="bonus/bonus_point_action.html",
            context={"instance": self},
        )

    def save(self, *args, **kwargs):
        super().save(*args, **kwargs)
        if not BonusPoint.objects.filter(employee_id=self.employee_id).exists():
            bonus_point = BonusPoint.objects.create(
                employee_id=self.employee_id,
                points=self.bonus_point,
                reason=self.based_on,
            )
        else:
            bonus_point = BonusPoint.objects.get(employee_id=self.employee_id)
        bonus_point.points += self.bonus_point
        bonus_point.reason = self.based_on
        bonus_point.save()


class BonusPointSetting(models.Model):
    MODEL_CHOICES = [
        ("pms.models.EmployeeObjective", _("Objective")),
        ("pms.models.EmployeeKeyResult", _("Key Result")),
    ]
    if apps.is_installed("project"):
        MODEL_CHOICES += [
            ("project.models.Task", _("Task")),
            ("project.models.Project", _("Project")),
        ]
    BONUS_FOR = [
        ("completed", _("Completing")),
        ("Closed", _("Closing")),
    ]
    CONDITIONS = [
        ("=", "="),
        (">", ">"),
        ("<", "<"),
        ("<=", "<="),
        (">=", ">="),
    ]
    FIELD_1 = [
        ("complition_date", _("Completion Date")),
    ]
    FIELD_2 = [
        ("end_date", _("End Date")),
    ]
    APPLECABLE_FOR = [
        ("owner", _("Owner")),
        ("members", _("Members")),
        ("managers", _("Managers")),
    ]
    model = models.CharField(max_length=100, choices=MODEL_CHOICES, null=False)
    applicable_for = models.CharField(
        max_length=50, choices=APPLECABLE_FOR, null=True, blank=True
    )
    bonus_for = models.CharField(max_length=25, choices=BONUS_FOR)
    field_1 = models.CharField(max_length=25, choices=FIELD_1, null=True, blank=True)
    conditions = models.CharField(
        max_length=25, choices=CONDITIONS, null=True, blank=True
    )
    field_2 = models.CharField(max_length=25, choices=FIELD_2, null=True, blank=True)
    points = models.IntegerField(default=0, validators=[MinValueValidator(0)])
    is_active = models.BooleanField(default=True)

    def get_model_display(self):
        """
        Display model
        """
        return dict(BonusPointSetting.MODEL_CHOICES).get(self.model)

    def get_bonus_for_display(self):
        """
        Display bonus_for
        """
        return dict(BonusPointSetting.BONUS_FOR).get(self.bonus_for)

    def get_field_1_display(self):
        """
        Display field_1
        """
        return dict(BonusPointSetting.FIELD_1).get(self.field_1)

    def get_field_2_display(self):
        """
        Display field_2
        """
        return dict(BonusPointSetting.FIELD_2).get(self.field_2)

    def get_applicable_for_display(self):
        """
        Display applicable_for
        """
        return dict(BonusPointSetting.APPLECABLE_FOR).get(self.applicable_for)

    def get_condition(self):
        """
        Get the condition for bonus
        """
        return f" {dict(BonusPointSetting.FIELD_1).get(self.field_1)} {self.conditions} {dict(BonusPointSetting.FIELD_2).get(self.field_2)}"

    def action_template(self):
        """
        This method for get custom column for managers.
        """

        return render_template(
            path="bonus/bonus_seetting_action.html",
            context={"instance": self},
        )

    def is_active_toggle(self):
        """
        For toggle is_active field
        """
        return render_template(
            path="bonus/is_active_toggle.html",
            context={"instance": self},
        )

    def create_employee_bonus(self, employee, field_1, field_2, instance):
        """
        For creating employee bonus
        """
        operator_mapping = {
            "=": operator.eq,
            "!=": operator.ne,
            "<": operator.lt,
            ">": operator.gt,
            "<=": operator.le,
            ">=": operator.ge,
        }
        if (
            operator_mapping[self.conditions](field_1, field_2)
        ) and not EmployeeBonusPoint.objects.filter(
            employee_id=employee,
            instance=instance,
            based_on=(f"{self.get_bonus_for_display()} {instance}"),
        ).exists():
            EmployeeBonusPoint(
                employee_id=employee,
                based_on=(f"{self.get_bonus_for_display()} {instance}"),
                bonus_point=self.points,
                instance=instance,
            ).save()

    def save(self, *args, **kwargs):
        super().save(*args, **kwargs)

    def __str__(self) -> str:
        return f"Bonus point {self.get_model_display()}"


def manipulate_existing_data():
    from dateutil.relativedelta import relativedelta

    try:
        for emp_objective in EmployeeObjective.objects.exclude(objective=None):
            objective, _ = Objective.objects.get_or_create(
                title=emp_objective.objective
            )
            objective.duration = 20
            objective.save()
            emp_objective.end_date = emp_objective.start_date + relativedelta(days=20)
            emp_objective.objective_id = objective
            emp_objective.objective = None
            emp_objective.objective_description = None
            emp_objective.save()

        for e_kr in EmployeeKeyResult.objects.exclude(key_result=None):
            kr, _ = KeyResult.objects.get_or_create(title=e_kr.key_result)
            kr.duration = 2
            kr.save()
            e_kr.end_date = e_kr.start_date + relativedelta(days=2)
            e_kr.key_result = None
            e_kr.key_result_description = None
            e_kr.key_result_id = kr
            e_kr.save()

    except Exception as e:
        return


# manipulate_existing_data()