import { NextRequest, NextResponse } from 'next/server';
import { auth } from '@/app/(auth)/auth';
import { db } from '@/lib/db';
import { canvasProject } from '@/lib/db/schema';
import { eq, desc } from 'drizzle-orm';

// 获取画布列表
export async function GET(request: NextRequest) {
  try {
    const session = await auth();
    if (!session?.user?.id) {
      return NextResponse.json({ success: false, error: '未登录' }, { status: 401 });
    }

    const projects = await db
      .select()
      .from(canvasProject)
      .where(eq(canvasProject.userId, session.user.id))
      .orderBy(desc(canvasProject.updatedAt));

    return NextResponse.json({ success: true, data: projects });
  } catch (error) {
    console.error('获取画布列表失败:', error);
    return NextResponse.json({ success: false, error: '获取画布列表失败' }, { status: 500 });
  }
}

// 创建画布
export async function POST(request: NextRequest) {
  try {
    const session = await auth();
    if (!session?.user?.id) {
      return NextResponse.json({ success: false, error: '未登录' }, { status: 401 });
    }

    const body = await request.json();
    const { title, description, canvasData } = body;

    const [newProject] = await db
      .insert(canvasProject)
      .values({
        userId: session.user.id,
        title: title || '未命名画布',
        description,
        canvasData: canvasData || {
          nodes: [],
          edges: [],
          viewport: { x: 0, y: 0, zoom: 1 },
        },
      })
      .returning();

    return NextResponse.json({ success: true, data: newProject });
  } catch (error) {
    console.error('创建画布失败:', error);
    return NextResponse.json({ success: false, error: '创建画布失败' }, { status: 500 });
  }
}