import operator
from datetime import date
from typing import Iterable

from dateutil.relativedelta import relativedelta
from django import forms
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.signals import post_delete, post_save, pre_save
from django.urls import reverse
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 Employee
from horilla.models import HorillaModel
from horilla_audit.methods import get_diff
from horilla_audit.models import HorillaAuditInfo, HorillaAuditLog
from horilla_automations.methods.methods import get_model_class
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()

    def __str__(self):
        return self.period_name


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)
    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}"


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,
    )
    objects = HorillaCompanyManager()

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

        ordering = [
            "-id",
        ]

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


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

    STATUS_CHOICES = (
        ("On Track", _("On Track")),
        ("Behind", _("Behind")),
        ("Closed", _("Closed")),
        ("At Risk", _("At Risk")),
        ("Not Started", _("Not Started")),
    )
    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 += kr.progress_percentage
            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)


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

    comment = models.CharField(max_length=150)
    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 = (
        ("On Track", _("On Track")),
        ("Behind", _("Behind")),
        ("Closed", _("Closed")),
        ("At Risk", _("At Risk")),
        ("Not Started", _("Not Started")),
    )

    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 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
        if target_value == 0:
            raise ValidationError(
                {"target_value": _("The target value can't be zero.")}
            )
        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.employee_id is None:
        #     self.employee_id = self.employee_objective_id.employee_id
        # if self.target_value != 0:
        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()

    def __str__(self):
        return self.question_template


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)
    manager_id = models.ForeignKey(
        Employee,
        related_name="feedback_manager",
        on_delete=models.DO_NOTHING,
        null=True,
        blank=False,
    )
    employee_id = models.ForeignKey(
        Employee,
        on_delete=models.DO_NOTHING,
        related_name="feedback_employee",
        null=False,
        blank=False,
    )
    colleague_id = models.ManyToManyField(
        Employee, related_name="feedback_colleague", blank=True
    )
    subordinate_id = models.ManyToManyField(
        Employee, related_name="feedback_subordinate", blank=True
    )
    question_template_id = models.ForeignKey(
        QuestionTemplate,
        on_delete=models.DO_NOTHING,
        related_name="feedback_question_template",
        null=False,
        blank=False,
    )
    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)
    end_date = models.DateField(null=True, blank=False)
    employee_key_results_id = models.ManyToManyField(
        EmployeeKeyResult,
        blank=True,
    )
    cyclic_feedback = models.BooleanField(default=False)
    cyclic_feedback_days_count = models.IntegerField(blank=True, null=True)
    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"]

    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}"


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}'."
                    )
                }
            )


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",
    )
    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)

    class Meta:
        verbose_name = _("Meetings")

    def __str__(self):
        return self.title


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(models.Model):
    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)
    based_on = models.CharField(max_length=150)

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


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"),
    ]
    CONDITIONS = [
        ("=", "="),
        (">", ">"),
        ("<", "<"),
        ("<=", "<="),
        (">=", ">="),
    ]
    FIELD_1 = [
        ("complition_date", "Completion Date"),
    ]
    FIELD_2 = [
        ("end_date", "End Date"),
    ]
    model = models.CharField(max_length=100, choices=MODEL_CHOICES, null=False)
    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_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 create_employee_bonus(self, employee, field_1, field_2):
        """
        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):
            EmployeeBonusPoint(
                employee_id=employee,
                based_on=(f"{self.get_bonus_for_display} {self.model}"),
                bonus_point=self.points,
            ).save()

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

        model_class = get_model_class(self.model)

        def create_signal_handler(name, bonus_point_setting):
            def signal_handler(sender, instance, created, **kwargs):
                """
                Signal handler for post-save events of the model instances.
                """
                # request = getattr(_thread_locals, "request", None)
                # previous_record = getattr(_thread_locals, "previous_record", None)
                # previous_instance = None
                # if previous_record:
                #     previous_instance = previous_record["instance"]

                # if BonusPointSetting.objects.filter(model='Task').exists():
                # bonus_point_settings = BonusPointSetting.objects.filter(model='Task')
                # for bs in bonus_point_settings:

                field_1 = date.today()
                field_2 = instance.end_date
                if bonus_point_setting.bonus_for == instance.status:

                    for employee in instance.task_members.all():
                        bonus_point_setting.create_employee_bonus(
                            employee, field_1, field_2
                        )

            signal_handler.__name__ = name
            signal_handler.model_class = model_class
            signal_handler.bonus_point_setting = bonus_point_setting
            return signal_handler

        # Create and connect the signal handler
        handler_name = f"{self.id}_signal_handler"
        dynamic_signal_handler = create_signal_handler(handler_name, self)
        # SIGNAL_HANDLERS.append(dynamic_signal_handler)
        post_save.connect(
            dynamic_signal_handler, sender=dynamic_signal_handler.model_class
        )


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()