import { NextResponse } from "next/server";
import { ZodError } from "zod";
import { createSubmission } from "@/lib/submissions";
import { submissionSchema } from "@/lib/submission-schema";

export async function POST(request: Request) {
  try {
    const payload = await request.json();
    const input = submissionSchema.parse(payload);
    const submission = await createSubmission(input);

    return NextResponse.json({
      submission_id: submission.id,
      created_at: submission.createdAt.toISOString()
    });
  } catch (error) {
    if (error instanceof ZodError) {
      return NextResponse.json(
        {
          error: "Validation failed",
          issues: error.flatten().fieldErrors
        },
        { status: 400 }
      );
    }

    console.error("Submission failed", error);
    return NextResponse.json(
      { error: "Submission could not be saved. Please try again." },
      { status: 500 }
    );
  }
}