import { SequelizeModule } from '@nestjs/sequelize';
import {
  HttpException,
  Logger,
  LoggerService,
  Module,
  OnModuleInit,
} from '@nestjs/common';
import { UserModule } from './user/user.module';
import { DbModule } from '@app/db';
import { PermissionModule } from './permission/permission.module';
import { AuthModule } from './auth/auth.module';
import { APP_GUARD } from '@nestjs/core';
import { AuthGuard } from './auth/auth.guard';
import { PermissionGuard } from './permission/permission.guard';
import { RoleModule } from './role/role.module';
import { join } from 'path';
import { existsSync, readFileSync, writeFileSync, mkdirSync } from 'fs';
import { UserService } from './user/user.service';
import { RoleService } from './role/role.service';
import { PermissionService } from './permission/permission.service';
import { MenuService } from './menu/menu.service';
import { Permission } from '@app/models';
import { MenuModule } from './menu/menu.module';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { menuData } from './menu/init/menuData';
import { I18Module } from './i18/i18.module';
import { I18LangService } from './i18/lang.service';
import { I18Service } from './i18/i18.service';
import {
  AcceptLanguageResolver,
  HeaderResolver,
  I18nModule,
} from 'nestjs-i18n';
import { MockModule } from './mock/mock.module';
import { RejectRequestGuard } from './public/reject.guard';

@Module({
  imports: [
    DbModule,
    UserModule,
    PermissionModule,
    AuthModule,
    RoleModule,
    MenuModule,
    ConfigModule.forRoot({
      isGlobal: true,
    }),
    I18Module,
    I18nModule.forRoot({
      fallbackLanguage: 'enUS',
      loaderOptions: {
        path: join(__dirname, '/i18n/'),
        watch: true,
      },
      resolvers: [new HeaderResolver(['x-lang'])],
      typesOutputPath: join(__dirname, '../src/.generate/i18n.generated.ts'),
    }),
    MockModule,
  ],
  providers: [
    {
      provide: APP_GUARD,
      useClass: AuthGuard,
    },
    {
      provide: APP_GUARD,
      useClass: RejectRequestGuard,
    },
    {
      provide: APP_GUARD,
      useClass: PermissionGuard,
    },
  ],
})
export class AppModule implements OnModuleInit {
  constructor(
    private user: UserService,
    private role: RoleService,
    private permission: PermissionService,
    private menu: MenuService,
    private lang: I18LangService,
    private i18: I18Service
  ) {}
  async onModuleInit() {
    const ROOT = __dirname;
    const data = join(ROOT, 'data');
    if (!existsSync(data)) {
      mkdirSync(data);
    }
    const LOCK_FILE = join(data, 'lock');
    if (existsSync(LOCK_FILE)) {
      Logger.warn(
        'Lock file exists, if you want init agin, please remove dist or dist/lock'
      );
      return;
    }
    const I18_INIT_FILE_PATH = join(process.cwd(), 'locales.json');
    const I18_INIT_FILE = JSON.parse(
      readFileSync(I18_INIT_FILE_PATH).toString()
    );
    const dbLangNames = (await this.lang.findAll()).map((lang) => lang.name);
    const langs = Object.keys(I18_INIT_FILE).filter(
      (key) => !dbLangNames.includes(key)
    );
    for (const name of langs) {
      const { id } = await this.lang.create({ name });
      for (const [key, value] of Object.entries(I18_INIT_FILE[name])) {
        const dbValue = await this.i18.has(key, id);
        if (dbValue) {
          Logger.warn(`${name} - ${key} exists value is ${dbValue.content}`);
          continue;
        }
        Logger.log(`${name} - ${key} not exists`);
        await this.i18.create({ key, content: value as string, lang: id });
        Logger.log(`${name} - ${key} save success`);
      }
    }
    const permissions = {
      user: ['add', 'remove', 'update', 'query', 'password::force-update'],
      permission: ['add', 'remove', 'update', 'get'],
      role: ['add', 'remove', 'update', 'query'],
      menu: ['add', 'remove', 'update', 'query'],
      i18n: ['add', 'remove', 'update', 'query'],
      lang: ['add', 'remove', 'update', 'query'],
    };
    const tasks = [];
    let permission;
    const isInit = true;
    try {
      permission = await this.permission.create(
        {
          name: '*',
          desc: 'super permission',
        },
        isInit
      );
    } catch (e) {
      const err = e as HttpException;
      Logger.error(err.message);
      Logger.error(`Please clear the database and try again`);
      process.exit(-1);
    }
    for (const [module, actions] of Object.entries(permissions)) {
      for (const action of actions) {
        tasks.push(
          this.permission.create(
            {
              name: `${module}::${action}`,
              desc: '',
            },
            isInit
          )
        );
      }
    }
    // TODO Menu
    try {
      for (const item of menuData) {
        await this.menu.createMenu(item, isInit);
      }
    } catch (e) {
      const err = e as HttpException;
      Logger.error(err.message);
      Logger.error(`Please clear the database and try again`);
      process.exit(-1);
    }
    const status = Promise.allSettled(tasks);
    const statusData = await status;
    const hasFail = statusData.some((data) => data.status === 'rejected');
    if (hasFail) {
      const fail: any[] = statusData.filter(
        (data) => data.status === 'rejected'
      );
      fail.forEach((data) => {
        Logger.error(`${data.reason}`);
      });
      Logger.error('Please clear the database and try again');
      process.exit(-1);
    }
    const menuId = this.menu.getMenuAllId();
    const role = await this.role.create(
      {
        name: 'admin',
        permissionIds: [permission.id],
        menuIds: await menuId,
      },
      isInit
    );
    const user = await this.user.create(
      {
        email: 'admin@no-reply.com',
        password: 'admin',
        roleIds: [role.id],
        name: 'admin',
        status: 1,
      },
      isInit
    );
    Logger.log(`[APP]: create admin user success`);
    Logger.log(`[APP]: email: ${user.email}`);
    Logger.log(`[APP]: password: 'admin'`);
    Logger.log('Enjoy!');
    writeFileSync(LOCK_FILE, '');
  }
}