export const dynamic = 'force-dynamic';

import { NextRequest, NextResponse } from 'next/server';
import { supabase } from '@/lib/supabase';

export async function GET(request: NextRequest) {
  const { searchParams } = new URL(request.url);
  const projectId = searchParams.get('project_id');

  let query = supabase.from('objectives').select('*').order('period_start', { ascending: false });

  if (projectId) {
    query = query.eq('project_id', projectId);
  }

  const { data, error } = await query;

  if (error) {
    return NextResponse.json({ error: error.message }, { status: 500 });
  }

  return NextResponse.json(data);
}

export async function POST(request: NextRequest) {
  const body = await request.json();
  const { project_id, title, description, period_start, period_end, created_by } = body;

  if (!project_id || !title || !period_start || !period_end) {
    return NextResponse.json({ error: '项目ID、标题、开始日期和结束日期为必填项' }, { status: 400 });
  }

  if (new Date(period_end) < new Date(period_start)) {
    return NextResponse.json({ error: '结束日期不能早于开始日期' }, { status: 400 });
  }

  const { data, error } = await supabase
    .from('objectives')
    .insert({ project_id, title, description, period_start, period_end, created_by })
    .select()
    .single();

  if (error) {
    return NextResponse.json({ error: error.message }, { status: 500 });
  }

  return NextResponse.json(data, { status: 201 });
}