import type { BuildContext } from "./shared/buildContext";
import { getUiModuleFileSourceCodeReadyToBeCopied } from "./postinstall/getUiModuleFileSourceCodeReadyToBeCopied";
import { getAbsoluteAndInOsFormatPath } from "./tools/getAbsoluteAndInOsFormatPath";
import { relative as pathRelative, dirname as pathDirname, join as pathJoin } from "path";
import { getUiModuleMetas } from "./postinstall/uiModuleMeta";
import { getInstalledModuleDirPath } from "./tools/getInstalledModuleDirPath";
import * as fsPr from "fs/promises";
import {
    readManagedGitignoreFile,
    writeManagedGitignoreFile
} from "./postinstall/managedGitignoreFile";

export async function command(params: {
    buildContext: BuildContext;
    cliCommandOptions: {
        file: string;
    };
}) {
    const { buildContext, cliCommandOptions } = params;

    const fileRelativePath = pathRelative(
        buildContext.themeSrcDirPath,
        getAbsoluteAndInOsFormatPath({
            cwd: buildContext.themeSrcDirPath,
            pathIsh: cliCommandOptions.file
        })
    );

    const uiModuleMetas = await getUiModuleMetas({ buildContext });

    const uiModuleMeta = uiModuleMetas.find(({ files }) =>
        files.map(({ fileRelativePath }) => fileRelativePath).includes(fileRelativePath)
    );

    if (!uiModuleMeta) {
        throw new Error(`No UI module found for the file ${fileRelativePath}`);
    }

    const uiModuleDirPath = await getInstalledModuleDirPath({
        moduleName: uiModuleMeta.moduleName,
        packageJsonDirPath: pathDirname(buildContext.packageJsonFilePath),
        projectDirPath: buildContext.projectDirPath
    });

    const sourceCode = await getUiModuleFileSourceCodeReadyToBeCopied({
        buildContext,
        fileRelativePath,
        isForEjection: true,
        uiModuleName: uiModuleMeta.moduleName,
        uiModuleDirPath,
        uiModuleVersion: uiModuleMeta.version
    });

    await fsPr.writeFile(
        pathJoin(buildContext.themeSrcDirPath, fileRelativePath),
        sourceCode
    );

    const { ejectedFilesRelativePaths } = await readManagedGitignoreFile({
        buildContext
    });

    await writeManagedGitignoreFile({
        buildContext,
        uiModuleMetas,
        ejectedFilesRelativePaths: [...ejectedFilesRelativePaths, fileRelativePath]
    });
}