import {
  Controller,
  All,
  Req,
  Res,
  Get,
  Post,
  Patch,
  Param,
  Delete,
  Head,
  Options,
  NotFoundException,
  HttpException,
  HttpStatus,
} from '@nestjs/common';
import { Request, Response } from 'express';
import { TusService } from './tus.service';
import { ShareCodeService } from './share-code.service';
@Controller('upload')
export class UploadController {
  constructor(
    private readonly tusService: TusService,
    private readonly shareCodeService: ShareCodeService,
  ) {}
  // @Post()
  // async handlePost(@Req() req: Request, @Res() res: Response) {
  //     return this.tusService.handleTus(req, res);
  // }

  @Options()
  async handleOptions(@Req() req: Request, @Res() res: Response) {
    return this.tusService.handleTus(req, res);
  }

  @Head()
  async handleHead(@Req() req: Request, @Res() res: Response) {
    return this.tusService.handleTus(req, res);
  }

  @Post()
  async handlePost(@Req() req: Request, @Res() res: Response) {
    return this.tusService.handleTus(req, res);
  }
  @Get('/*')
  async handleGet(@Req() req: Request, @Res() res: Response) {
    return this.tusService.handleTus(req, res);
  }

  @Patch('/*')
  async handlePatch(@Req() req: Request, @Res() res: Response) {
    return this.tusService.handleTus(req, res);
  }

  // Keeping the catch-all method as a fallback
  @All()
  async handleUpload(@Req() req: Request, @Res() res: Response) {
    return this.tusService.handleTus(req, res);
  }
  @Post('share/:fileId(*)')
  async generateShareCode(@Param('fileId') fileId: string) {
    try {
      console.log('收到生成分享码请求，fileId:', fileId);
      const result = await this.shareCodeService.generateShareCode(fileId);
      console.log('生成分享码结果:', result);
      return result;
    } catch (error) {
      console.error('生成分享码错误:', error);
      throw new HttpException(
        {
          message: (error as Error).message || '生成分享码失败',
          error: 'SHARE_CODE_GENERATION_FAILED'
        },
        HttpStatus.INTERNAL_SERVER_ERROR
      );
    }
  }

  @Get('share/:code')
  async validateShareCode(@Param('code') code: string) {
    const fileId = await this.shareCodeService.validateAndUseCode(code);
    if (!fileId) {
      throw new NotFoundException('分享码无效或已过期');
    }
    return { fileId };
  }

  @Get('share/info/:code')
  async getShareCodeInfo(@Param('code') code: string) {
    const info = await this.shareCodeService.getShareCodeInfo(code);
    if (!info) {
      throw new NotFoundException('分享码不存在');
    }
    return info;
  }

  @Get('share/history/:fileId')
  async getFileShareHistory(@Param('fileId') fileId: string) {
    return this.shareCodeService.getFileShareHistory(fileId);
  }
}