import * as plugins from './plugins.js';
import * as paths from './paths.js';
import { logger } from './logging.js';

export interface ITsPublishJson {
  name: string;
  dependencies: string[];
  registries: string[];
}

export interface IPublishModuleOptions {
  monoRepoDir: string;
  packageSubFolder: string;
  packageSubFolderFullPath?: string;
  tsPublishJson?: ITsPublishJson;
  publishModDirFullPath?: string;
  name?: string;
  version?: string;
  dependencies?: { [key: string]: string };
}

export class PublishModule {
  public options: IPublishModuleOptions;
  constructor(options: IPublishModuleOptions) {
    this.options = options;
  }

  public async init() {
    this.options.packageSubFolderFullPath = plugins.path.join(
      this.options.monoRepoDir,
      this.options.packageSubFolder
    );

    // check requirements
    if (!this.options.packageSubFolder.startsWith('ts')) {
      throw new Error('subFolder must start with "ts"');
    }
    this.options.tsPublishJson = plugins.smartfile.fs.toObjectSync(
      plugins.path.join(this.options.packageSubFolderFullPath, 'tspublish.json')
    );
    const monoRepoPackageJson = JSON.parse(
      plugins.smartfile.fs.toStringSync(plugins.path.join(this.options.monoRepoDir, 'package.json'))
    );
    this.options.dependencies = {
      ...this.options.dependencies,
      ...(() => {
        const resultDependencies = {};
        for (const dependency of this.options.tsPublishJson.dependencies) {
          resultDependencies[dependency] = monoRepoPackageJson.dependencies[dependency];
        }
        return resultDependencies;
      })(),
    };
    this.options.name = this.options.name || this.options.tsPublishJson.name;
    this.options.version = monoRepoPackageJson.version;

    // now that we have a name and version, lets check if there is already a package under the same name and version.
    const smartnpmInstance = new plugins.smartnpm.NpmRegistry({}); // TODO: pass in options
    const packageInfo = await smartnpmInstance.getPackageInfo(this.options.name);
    if (packageInfo) {
      const availableVersions = packageInfo.allVersions.map((versionArg) => versionArg.version);
      logger.log('info', `available versions are: ${availableVersions.toString()}`);
      if (availableVersions.includes(this.options.version)) {
        logger.log('error', `package ${this.options.name} already exists with version ${this.options.version}`);
        process.exit(1);
      }
    }
  }

  public async getLatestVersionOfPackage(name: string) {
    const smartnpmInstance = new plugins.smartnpm.NpmRegistry({}); // TODO: pass in options
    const packageInfo = await smartnpmInstance.getPackageInfo(name);
    if (!packageInfo) {
      throw new Error(`package ${name} not found`);
    }
    return packageInfo.allVersions[0].version;
  }

  public async createTsconfigJson() {
    const originalTsConfig = plugins.smartfile.fs.toObjectSync(
      plugins.path.join(paths.cwd, 'tsconfig.json')
    );
    if (originalTsConfig?.compilerOptions?.paths) {
      for (const path of originalTsConfig.compilerOptions.paths) {
        originalTsConfig.compilerOptions.paths[path][0] = `.${originalTsConfig.compilerOptions.paths[path][0]}`;
      }
    }
    const tsconfigJson = {
      compilerOptions: {
        experimentalDecorators: true,
        useDefineForClassFields: false,
        target: 'ES2022',
        module: 'NodeNext',
        moduleResolution: 'NodeNext',
        esModuleInterop: true,
        verbatimModuleSyntax: true,
        paths: originalTsConfig?.compilerOptions?.paths,
      },
      exclude: [
        'dist_*/**/*.d.ts',
      ],
    };
    return JSON.stringify(tsconfigJson, null, 2);
  }

  public async createPackageJson() {
    const packageJson = {
      name: this.options.name,
      version: this.options.version,
      type: 'module',
      description: '',
      exports: {
        '.': {
          import: `./dist_${this.options.packageSubFolder}/index.js`,
        },
      },
      scripts: {
        build: 'tsbuild tsfolders --allowimplicitany',
      },
      dependencies: this.options.dependencies,
      devDependencies: {
        '@git.zone/tsbuild': await this.getLatestVersionOfPackage('@git.zone/tsbuild'),
      },
      files: [
        'ts/**/*',
        'ts_*/**/*',
        'dist/**/*',
        'dist_*/**/*',
        'dist_ts/**/*',
        'dist_ts_web/**/*',
        'assets/**/*',
        'cli.js',
        'npmextra.json',
        'readme.md',
      ],
    };
    return JSON.stringify(packageJson, null, 2);
  }

  public async createPublishModuleDir() {
    this.options.publishModDirFullPath = plugins.path.join(
      this.options.monoRepoDir,
      `dist_publish_${this.options.packageSubFolder}`
    );
    await plugins.smartfile.fs.ensureEmptyDir(this.options.publishModDirFullPath);

    // package.json
    const packageJson = await plugins.smartfile.SmartFile.fromString(
      plugins.path.join(this.options.publishModDirFullPath, 'package.json'),
      await this.createPackageJson(),
      'utf8'
    );
    await packageJson.write();

    // tsconfig.json
    const originalTsConfigJson = await plugins.smartfile.SmartFile.fromString(
      plugins.path.join(this.options.publishModDirFullPath, 'tsconfig.json'),
      await this.createTsconfigJson(),
      'utf8'
    );
    await originalTsConfigJson.write();

    // ts folder
    await plugins.smartfile.fs.copy(
      this.options.packageSubFolderFullPath,
      plugins.path.join(this.options.publishModDirFullPath, this.options.packageSubFolder)
    );
  }

  public async build() {
    const smartshellInstance = new plugins.smartshell.Smartshell({
      executor: 'bash',
    });
    await smartshellInstance.exec(`cd ${this.options.publishModDirFullPath} && pnpm run build`);
  }

  public async publish() {
    const smartshellInstance = new plugins.smartshell.Smartshell({
      executor: 'bash',
    });
    for (const registry of this.options.tsPublishJson.registries) {
      const registryArray = registry.split(':');
      const registryUrl = registryArray[0];
      const registryAccessLevel = registryArray[1];
      await smartshellInstance.exec(
        `cd ${this.options.publishModDirFullPath} && pnpm publish ${
          registryAccessLevel === 'public' ? '--access public' : ''
        } --no-git-checks --registry https://${registryUrl}`
      );
    }
  }
}