import { Controller, Delete, Get, Param, Post, Query, Req, UseGuards } from '@nestjs/common';
import { ApiBearerAuth, ApiBody, ApiConsumes, ApiCreatedResponse, ApiOkResponse, ApiOperation, ApiTags } from '@nestjs/swagger';
import { FastifyRequest } from 'fastify';
import { CurrentUser } from '../../common/decorators/current-user.decorator';
import { JwtAuthGuard } from '../../common/guards/jwt-auth.guard';
import { MediaService } from './media.service';
import { MediaItemDto } from '../profiles/dto/profile-response.dto';
import { MessageResponseDto } from '../../common/dto/message-response.dto';

@ApiTags('media')
@ApiBearerAuth()
@UseGuards(JwtAuthGuard)
@Controller('profiles/:profileId/media')
export class MediaController {
  constructor(private readonly mediaService: MediaService) {}

  @Post('upload')
  @ApiOperation({ summary: 'Upload photo / video / audio to profile' })
  @ApiConsumes('multipart/form-data')
  @ApiBody({
    schema: {
      type: 'object',
      required: ['file'],
      properties: {
        file: { type: 'string', format: 'binary' },
      },
    },
  })
  @ApiCreatedResponse({ type: MediaItemDto })
  async upload(
    @CurrentUser('id') userId: string,
    @Param('profileId') profileId: string,
    @Req() req: FastifyRequest,
    @Query('type') type: 'photo' | 'video' | 'audio' = 'photo',
  ) {
    const data = await (req as any).file();
    if (!data) throw new Error('No file provided');
    const buffer = await data.toBuffer();
    return this.mediaService.upload(
      userId,
      profileId,
      { buffer, originalname: data.filename, mimetype: data.mimetype },
      type,
    );
  }

  @Get()
  @ApiOperation({ summary: 'Get all media for a profile' })
  @ApiOkResponse({ type: [MediaItemDto] })
  getMedia(@Param('profileId') profileId: string) {
    return this.mediaService.getByProfileId(profileId);
  }

  @Delete(':mediaId')
  @ApiOperation({ summary: 'Delete media item' })
  @ApiOkResponse({ type: MessageResponseDto })
  deleteMedia(
    @CurrentUser('id') userId: string,
    @Param('mediaId') mediaId: string,
  ) {
    return this.mediaService.delete(userId, mediaId);
  }
}