import {
  Controller,
  Get,
  NotFoundException,
  Param,
  Query,
  UseGuards,
} from '@nestjs/common';
import { Privileges } from 'src/decorators/privileges.decorator';
import { Scopes } from 'src/decorators/scopes.decorator';
import { OAuth2Guard } from 'src/guards/oauth2.guard';
import { PrivilegesGuard } from 'src/guards/privileges.guard';
import { ScopesGuard } from 'src/guards/scopes.guard';
import { UserService } from 'src/modules/objects/user/user.service';
import { FormUtilityService } from 'src/modules/utility/services/form-utility.service';
import { PaginationService } from 'src/modules/utility/services/paginate.service';
import { PageOptions } from 'src/types/pagination.interfaces';

const RELATIONS = ['picture', 'privileges'];

@Controller('/api/admin/users')
@UseGuards(OAuth2Guard, PrivilegesGuard, ScopesGuard)
export class UserAdminController {
  constructor(
    private _user: UserService,
    private _paginate: PaginationService,
    private _form: FormUtilityService,
  ) {}

  @Get('')
  @Scopes('management')
  @Privileges('admin', 'admin:user')
  async userList(@Query() options: { q?: string } & PageOptions) {
    const search = options.q ? decodeURIComponent(options.q) : null;
    const resultCount = await this._user.searchUsersCount(search, RELATIONS);

    const pagination = this._paginate.paginate(options, resultCount);

    const [list] = await this._user.searchUsers(
      pagination.pageSize,
      pagination.offset,
      search,
      RELATIONS,
    );

    return {
      pagination,
      list: this._form.stripObjectArray(list, ['password']),
    };
  }

  @Get(':id')
  @Scopes('management')
  @Privileges('admin', 'admin:user')
  async user(@Param('id') id: string) {
    const user = await this._user.getById(parseInt(id, 10), RELATIONS);
    if (!user) {
      throw new NotFoundException('User not found');
    }
    return this._form.stripObject(user, ['password']);
  }

  @Get(':id/privileges')
  @Scopes('management')
  @Privileges('admin', 'admin:user')
  async userPrivileges(@Param('id') id: string) {
    const user = await this._user.getById(parseInt(id, 10), ['privileges']);
    if (!user) {
      throw new NotFoundException('User not found');
    }
    return user.privileges;
  }
}