// app/api/vendor-responses/waive/route.ts
import { NextRequest, NextResponse } from "next/server";
import db from "@/db/db";
import { getServerSession } from "next-auth/next"
import { authOptions } from "@/app/api/auth/[...nextauth]/route"
import { eq } from "drizzle-orm";
import { vendorAttachmentResponses } from "@/db/schema";

export async function POST(request: NextRequest) {
  try {
    // 인증 확인
    const session = await getServerSession(authOptions);
    if (!session?.user?.id) {
      return NextResponse.json(
        { message: "인증이 필요합니다." },
        { status: 401 }
      );
    }

    const body = await request.json();
    const { responseId, responseComment, vendorComment } = body;

    if (!responseId) {
      return NextResponse.json(
        { message: "응답 ID가 필요합니다." },
        { status: 400 }
      );
    }

    if (!responseComment) {
      return NextResponse.json(
        { message: "포기 사유를 입력해주세요." },
        { status: 400 }
      );
    }

    // vendor response를 WAIVED 상태로 업데이트
    const [updatedResponse] = await db
      .update(vendorAttachmentResponses)
      .set({
        responseStatus: "WAIVED",
        responseComment,
        vendorComment,
        respondedAt: new Date(),
        updatedAt: new Date(),
      })
      .where(eq(vendorAttachmentResponses.id, parseInt(responseId)))
      .returning();

    if (!updatedResponse) {
      return NextResponse.json(
        { message: "응답을 찾을 수 없습니다." },
        { status: 404 }
      );
    }

    return NextResponse.json({
      message: "응답이 성공적으로 포기 처리되었습니다.",
      response: updatedResponse,
    });

  } catch (error) {
    console.error("Waive response error:", error);
    return NextResponse.json(
      { message: "응답 포기 처리 중 오류가 발생했습니다." },
      { status: 500 }
    );
  }
}