import { NextRequest, NextResponse } from "next/server";
import { z } from "zod";
import { auth } from "@/app/(auth)/auth";
import { analyzeWorkflowMaterialAppearanceFromImage } from "@/lib/agents/workflow-material-appearance";

export const runtime = "nodejs";
export const maxDuration = 60;

const payloadSchema = z.object({
  imageUrl: z.string().trim().url().max(2000),
});

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

    const payload = payloadSchema.parse(await request.json().catch(() => ({})));
    const appearanceSummary = await analyzeWorkflowMaterialAppearanceFromImage(
      payload.imageUrl
    ).catch((error) => {
      console.warn("[Agent Workflow Material Appearance] Analyze failed:", error);
      return null;
    });

    return NextResponse.json({
      success: true,
      data: {
        appearanceSummary,
      },
    });
  } catch (error) {
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: error.issues[0]?.message || "请求参数不合法" },
        { status: 400 }
      );
    }

    console.error("[Agent Workflow Material Appearance] Failed:", error);
    return NextResponse.json(
      { error: error instanceof Error ? error.message : "识别失败" },
      { status: 500 }
    );
  }
}