import { NextRequest, NextResponse } from 'next/server';
import type { ApiResponse } from '@/lib/types';
import { getTimeSeriesData } from '@/lib/analytics';

export async function GET(request: NextRequest) {
  try {
    const searchParams = request.nextUrl.searchParams;
    const startTime = searchParams.get('startTime');
    const endTime = searchParams.get('endTime');
    
    if (!startTime || !endTime) {
      return NextResponse.json({
        success: false,
        error: 'startTime and endTime are required'
      }, { status: 400 });
    }
    
    // 获取团队、项目和标签筛选参数
    const teamIds = searchParams.getAll('teamId');
    const projectIds = searchParams.getAll('projectId');
    const tagIds = searchParams.getAll('tagId');
    
    const data = await getTimeSeriesData({
      startTime,
      endTime,
      linkId: searchParams.get('linkId') || undefined,
      granularity: (searchParams.get('granularity') || 'day') as 'hour' | 'day' | 'week' | 'month',
      // 添加团队、项目和标签筛选
      teamIds: teamIds.length > 0 ? teamIds : undefined,
      projectIds: projectIds.length > 0 ? projectIds : undefined,
      tagIds: tagIds.length > 0 ? tagIds : undefined
    });

    const response: ApiResponse<typeof data> = {
      success: true,
      data
    };

    return NextResponse.json(response);
  } catch (error) {
    const response: ApiResponse<null> = {
      success: false,
      error: error instanceof Error ? error.message : 'Unknown error occurred'
    };
    return NextResponse.json(response, { status: 500 });
  }
}