import { Controller, Get, Header, Param, Query, Res } from '@nestjs/common';
import { ApiOperation, ApiQuery, ApiTags } from '@nestjs/swagger';
import { Response } from 'express';
import { RankingsService } from './rankings.service';
import { RankingCategoryId } from './rankings.types';

@ApiTags('rankings')
@Controller('rankings')
export class RankingsController {
  constructor(private readonly rankingsService: RankingsService) {}

  @Get('datawhale-honor/avatar/:memberId')
  @Header('Cache-Control', 'public, max-age=86400, stale-while-revalidate=604800')
  @ApiOperation({ summary: '代理 Datawhale 荣誉榜成员头像' })
  async getDatawhaleMemberAvatar(
    @Param('memberId') memberId: string,
    @Res() res: Response,
  ): Promise<void> {
    const avatar = await this.rankingsService.getMemberAvatar(memberId);
    res.type(avatar.contentType).send(avatar.body);
  }

  @Get('datawhale-honor')
  @ApiOperation({
    summary: '获取Datawhale荣誉榜',
    description: '返回后端同步并计算后的Datawhale贡献者排行榜数据，供游戏荣誉榜UI使用。',
  })
  @ApiQuery({
    name: 'category',
    required: false,
    description: '榜单分类：weekly_commits/night_owl/popularity/productive/social/rising/comprehensive',
  })
  @ApiQuery({
    name: 'limit',
    required: false,
    description: '返回数量，范围 3-10，默认 10',
  })
  @ApiQuery({
    name: 'refresh',
    required: false,
    description: '为 true 时先实时同步 Datawhale 公开数据，再返回当前榜单',
  })
  async getDatawhaleHonorRanking(
    @Query('category') category?: RankingCategoryId,
    @Query('limit') limit?: string,
    @Query('refresh') refresh?: string,
  ) {
    const data = await this.rankingsService.getDatawhaleHonorRanking(
      category,
      Number(limit || 10),
      refresh === 'true',
    );
    return {
      success: true,
      data,
      message: '荣誉榜获取成功',
    };
  }

  @Get('datawhale-honor/sync')
  @ApiOperation({
    summary: '手动同步Datawhale荣誉榜',
    description: '开发调试用：立即从Datawhale公开数据源同步并返回默认榜单。',
  })
  async syncDatawhaleHonorRanking() {
    const data = await this.rankingsService.syncNow();
    return {
      success: true,
      data,
      message: '荣誉榜同步成功',
    };
  }
}