import { NextRequest, NextResponse } from "next/server";
import { appleApiRequest } from "@/app/asc/api";

const DISPLAY_TYPE = "APP_IPHONE_65"; // iPhone 6.5" (6.7" Super Retina)

// GET /api/asc/screenshots?localizationId=xxx
// Returns the APP_IPHONE_65 screenshot set and its screenshots
export async function GET(req: NextRequest) {
  const locId = req.nextUrl.searchParams.get("localizationId");
  if (!locId) return NextResponse.json({ error: "localizationId gerekli" }, { status: 400 });

  // 1. Fetch screenshot sets for this localization
  const setsResult = await appleApiRequest(
    `/appStoreVersionLocalizations/${locId}/appScreenshotSets?filter[screenshotDisplayType]=${DISPLAY_TYPE}&include=appScreenshots&limit=1`
  );
  if (setsResult.error) return NextResponse.json({ error: setsResult.error }, { status: 502 });

  const sets = setsResult.data?.data ?? [];
  if (sets.length === 0) {
    return NextResponse.json({ set: null, screenshots: [] });
  }

  const set = sets[0];
  // screenshots are included via ?include=appScreenshots
  const included = setsResult.data?.included ?? [];
  const screenshots = included.filter((r: { type: string }) => r.type === "appScreenshots");

  return NextResponse.json({ set, screenshots });
}

// POST /api/asc/screenshots/reserve  { localizationId, fileName, fileSize, md5 }
// Step 1: Creates screenshot set if needed, then creates the upload reservation
export async function POST(req: NextRequest) {
  const body = await req.json();
  const { localizationId, fileName, fileSize, md5 } = body ?? {};

  if (!localizationId || !fileName || !fileSize)
    return NextResponse.json({ error: "localizationId, fileName, fileSize gerekli" }, { status: 400 });

  // 1. Find or create the APP_IPHONE_65 screenshot set
  const setsResult = await appleApiRequest(
    `/appStoreVersionLocalizations/${localizationId}/appScreenshotSets?filter[screenshotDisplayType]=${DISPLAY_TYPE}&limit=1`
  );
  if (setsResult.error) return NextResponse.json({ error: setsResult.error }, { status: 502 });

  let setId: string;
  if ((setsResult.data?.data ?? []).length > 0) {
    setId = setsResult.data.data[0].id;
  } else {
    // Create the set
    const createSet = await appleApiRequest(`/appScreenshotSets`, {
      method: "POST",
      body: JSON.stringify({
        data: {
          type: "appScreenshotSets",
          attributes: { screenshotDisplayType: DISPLAY_TYPE },
          relationships: {
            appStoreVersionLocalization: {
              data: { type: "appStoreVersionLocalizations", id: localizationId },
            },
          },
        },
      }),
    });
    if (createSet.error) return NextResponse.json({ error: createSet.error }, { status: 502 });
    setId = createSet.data.data.id;
  }

  // 2. Create screenshot upload reservation
  const reserveResult = await appleApiRequest(`/appScreenshots`, {
    method: "POST",
    body: JSON.stringify({
      data: {
        type: "appScreenshots",
        attributes: { fileName, fileSize, ...(md5 ? { md5 } : {}) },
        relationships: {
          appScreenshotSet: {
            data: { type: "appScreenshotSets", id: setId },
          },
        },
      },
    }),
  });

  if (reserveResult.error) return NextResponse.json({ error: reserveResult.error }, { status: 502 });
  return NextResponse.json(reserveResult.data, { status: 201 });
}

// DELETE /api/asc/screenshots?screenshotId=xxx
export async function DELETE(req: NextRequest) {
  const screenshotId = req.nextUrl.searchParams.get("screenshotId");
  if (!screenshotId) return NextResponse.json({ error: "screenshotId gerekli" }, { status: 400 });

  const result = await appleApiRequest(`/appScreenshots/${screenshotId}`, { method: "DELETE" });
  if (result.error) return NextResponse.json({ error: result.error }, { status: 502 });
  return new NextResponse(null, { status: 204 });
}