import { NextRequest, NextResponse } from "next/server";
import { z } from "zod";
import { createRenderExport, listExportsForQueue } from "@/lib/render-pipeline/exports";

function isAuthorized(req: NextRequest): boolean {
  const apiKey = process.env.API_SECRET_KEY;
  if (!apiKey) return false;
  const authHeader = req.headers.get("authorization") ?? "";
  if (authHeader.startsWith("Bearer ")) return authHeader.slice(7) === apiKey;
  return (req.headers.get("x-api-key") ?? "") === apiKey;
}

const createExportSchema = z.object({
  shotId: z.string().min(1),
  projectId: z.string().min(1),
  manifest: z.unknown(),
  submittedById: z.string().optional().nullable(),
  submittedByName: z.string().optional().nullable(),
  taskId: z.string().optional().nullable(),
});

export async function GET(req: NextRequest) {
  if (!isAuthorized(req)) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }

  const exports = await listExportsForQueue();
  return NextResponse.json({ exports });
}

export async function POST(req: NextRequest) {
  if (!isAuthorized(req)) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }

  try {
    const body = await req.json();
    const parsed = createExportSchema.parse(body);
    const result = await createRenderExport(parsed);
    return NextResponse.json(result, { status: 201 });
  } catch (error) {
    if (error instanceof z.ZodError) {
      return NextResponse.json({ error: "Validation error", details: error.errors }, { status: 422 });
    }

    return NextResponse.json({ error: error instanceof Error ? error.message : "Failed to queue export" }, { status: 400 });
  }
}