import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
import {
  Controller,
  Post,
  Body,
  HttpCode,
  HttpStatus,
  Req,
  BadRequestException,
} from '@nestjs/common';
import { AuthService } from './auth.service';
import type { Request } from 'express';
import { IsString, Allow, IsOptional } from 'class-validator';

class AppleLoginDto {
  @IsString()
  identityToken: string;

  @IsString()
  authorizationCode: string;

  @Allow()
  @IsOptional()
  user?: any;
}

class RefreshDto {
  @IsString()
  refreshToken: string;
}

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

  @Post('apple')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: 'Apple 登录' })
  @ApiResponse({ status: 200, description: '登录成功' })
  @ApiResponse({ status: 401, description: '身份验证失败' })
  async appleLogin(@Body() body: AppleLoginDto) {
    return this.authService.appleLogin(body);
  }

  @Post('refresh')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: '刷新令牌' })
  @ApiResponse({ status: 200, description: '刷新成功' })
  @ApiResponse({ status: 401, description: '刷新令牌无效' })
  async refresh(@Body() body: RefreshDto) {
    if (!body.refreshToken) {
      throw new BadRequestException('缺少 refreshToken');
    }
    return this.authService.refresh(body.refreshToken);
  }

  @Post('logout')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: '退出登录' })
  @ApiResponse({ status: 200, description: '退出成功' })
  async logout(@Req() req: Request) {
    const user = (req as any).user;
    if (user?.id) {
      await this.authService.logout(user.id);
    }
    return { success: true, message: '已退出登录' };
  }
}