import { Controller, Get, Query } from '@nestjs/common';
import { ApiTags, ApiOperation } from '@nestjs/swagger';
import { LearningActivityService } from './learning-activity.service';
import { CurrentUser } from '../../common/decorators/current-user.decorator';
import type { UserPayload } from '../../common/types';

@ApiTags('learning-activity')
@Controller('activity')
export class LearningActivityController {
  constructor(private readonly activityService: LearningActivityService) {}

  @Get('heatmap')
  @ApiOperation({ summary: '获取学习热力图数据' })
  async getHeatmap(@CurrentUser() user: UserPayload) {
    return this.activityService.getHeatmap(String(user?.id || 'anonymous'));
  }

  @Get('summary')
  @ApiOperation({ summary: '获取学习统计概览' })
  async getSummary(@CurrentUser() user: UserPayload) {
    return this.activityService.getSummary(String(user?.id || 'anonymous'));
  }

  @Get('trend')
  @ApiOperation({ summary: '获取 AI 学习趋势分析' })
  async getTrend(
    @CurrentUser() user: UserPayload,
    @Query('days') days?: string,
  ) {
    const periodDays = parseInt(days || '7', 10);
    return this.activityService.getTrend(
      String(user?.id || 'anonymous'),
      Math.min(Math.max(periodDays, 7), 30),
    );
  }
}