import { Controller, Post, Body, HttpCode } from '@nestjs/common';
import { I18n, I18nContext } from 'nestjs-i18n';
import { ApiTags, ApiOperation, ApiOkResponse } from '@nestjs/swagger';
import { AuthService } from './auth.service';
import {
  RegisterDto,
  LoginDto,
  RefreshTokenDto,
  TokenResponseDto,
} from './dto/auth.dto';
import { Public } from '../../common/decorators';
import {
  ApiResponse,
  createSuccessResponse,
} from '../../common/types/api-response.type';

@ApiTags('Auth')
@Controller('auth')
export class AuthController {
  constructor(private readonly authService: AuthService) {}

  @Post('register')
  @Public()
  @HttpCode(200)
  @ApiOperation({ summary: 'Register a new user' })
  @ApiOkResponse({
    description: 'User registered successfully',
    type: TokenResponseDto,
  })
  async register(
    @Body() dto: RegisterDto,
    @I18n() i18n: I18nContext,
  ): Promise<ApiResponse<TokenResponseDto>> {
    const result = await this.authService.register(dto);
    return createSuccessResponse(result, i18n.t('auth.registered'), 201);
  }

  @Post('login')
  @Public()
  @HttpCode(200)
  @ApiOperation({ summary: 'Login with email and password' })
  @ApiOkResponse({ description: 'Login successful', type: TokenResponseDto })
  async login(
    @Body() dto: LoginDto,
    @I18n() i18n: I18nContext,
  ): Promise<ApiResponse<TokenResponseDto>> {
    const result = await this.authService.login(dto);
    return createSuccessResponse(result, i18n.t('auth.login_success'));
  }

  @Post('refresh')
  @Public()
  @HttpCode(200)
  @ApiOperation({ summary: 'Refresh access token' })
  @ApiOkResponse({
    description: 'Token refreshed successfully',
    type: TokenResponseDto,
  })
  async refreshToken(
    @Body() dto: RefreshTokenDto,
    @I18n() i18n: I18nContext,
  ): Promise<ApiResponse<TokenResponseDto>> {
    const result = await this.authService.refreshToken(dto.refreshToken);
    return createSuccessResponse(result, i18n.t('auth.refresh_success'));
  }

  @Post('logout')
  @HttpCode(200)
  @ApiOperation({ summary: 'Logout and invalidate refresh token' })
  @ApiOkResponse({ description: 'Logout successful' })
  async logout(
    @Body() dto: RefreshTokenDto,
    @I18n() i18n: I18nContext,
  ): Promise<ApiResponse<null>> {
    await this.authService.logout(dto.refreshToken);
    return createSuccessResponse(null, i18n.t('auth.logout_success'));
  }
}