/**
 * Integration tests for new input/output format support.
 *
 * - New output formats: convert PNG to jxl, bmp, ico, jp2, qoi
 * - SVGZ input: verify compressed SVG decodes correctly
 * - JXL quality: verify lower quality produces smaller files
 */

import { readFileSync } from "node:fs";
import { join } from "node:path";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { buildTestApp, createMultipartPayload, loginAsAdmin, type TestApp } from "./test-server.js";

const FORMATS_DIR = join(__dirname, "..", "fixtures", "formats");

describe("New format support", () => {
  let testApp: TestApp;
  let app: TestApp["app"];
  let adminToken: string;

  beforeAll(async () => {
    testApp = await buildTestApp();
    app = testApp.app;
    adminToken = await loginAsAdmin(app);
  }, 30_000);

  afterAll(async () => {
    await testApp?.cleanup();
  }, 10_000);

  // ---------------------------------------------------------------------------
  // New output format conversions
  // ---------------------------------------------------------------------------
  const NEW_OUTPUT_FORMATS = ["jxl", "bmp", "ico", "jp2", "qoi"];

  for (const format of NEW_OUTPUT_FORMATS) {
    it(`converts PNG to ${format}`, async () => {
      const fileBuffer = readFileSync(join(FORMATS_DIR, "sample.png"));
      const { body, contentType } = createMultipartPayload([
        {
          name: "file",
          filename: "sample.png",
          contentType: "image/png",
          content: fileBuffer,
        },
        {
          name: "settings",
          content: JSON.stringify({ format, quality: 80 }),
        },
      ]);

      const res = await app.inject({
        method: "POST",
        url: "/api/v1/tools/convert",
        headers: {
          authorization: `Bearer ${adminToken}`,
          "content-type": contentType,
        },
        body,
      });

      // Accept 200 (success) or 422 (encoder not available in test env)
      expect([200, 422]).toContain(res.statusCode);
      if (res.statusCode === 200) {
        const json = JSON.parse(res.body);
        expect(json.processedSize).toBeGreaterThan(0);
        expect(json.downloadUrl).toBeTruthy();
      }
    });
  }

  // ---------------------------------------------------------------------------
  // SVGZ input decoding
  // ---------------------------------------------------------------------------
  it("decodes SVGZ input correctly", async () => {
    const fileBuffer = readFileSync(join(FORMATS_DIR, "sample.svgz"));
    const { body, contentType } = createMultipartPayload([
      {
        name: "file",
        filename: "sample.svgz",
        contentType: "image/svg+xml",
        content: fileBuffer,
      },
      {
        name: "settings",
        content: JSON.stringify({ format: "png" }),
      },
    ]);

    const res = await app.inject({
      method: "POST",
      url: "/api/v1/tools/convert",
      headers: {
        authorization: `Bearer ${adminToken}`,
        "content-type": contentType,
      },
      body,
    });

    expect([200, 422]).toContain(res.statusCode);
    if (res.statusCode === 200) {
      const json = JSON.parse(res.body);
      expect(json.processedSize).toBeGreaterThan(0);
    }
  });

  // ---------------------------------------------------------------------------
  // JXL quality affects file size
  // ---------------------------------------------------------------------------
  it("JXL quality affects file size", async () => {
    const fileBuffer = readFileSync(join(FORMATS_DIR, "sample.png"));

    const convert = async (quality: number) => {
      const { body, contentType } = createMultipartPayload([
        {
          name: "file",
          filename: "sample.png",
          contentType: "image/png",
          content: fileBuffer,
        },
        {
          name: "settings",
          content: JSON.stringify({ format: "jxl", quality }),
        },
      ]);
      return app.inject({
        method: "POST",
        url: "/api/v1/tools/convert",
        headers: {
          authorization: `Bearer ${adminToken}`,
          "content-type": contentType,
        },
        body,
      });
    };

    const lowQ = await convert(30);
    const highQ = await convert(90);

    // Only compare sizes if both succeeded (JXL encoder may not be available)
    if (lowQ.statusCode === 200 && highQ.statusCode === 200) {
      const lowJson = JSON.parse(lowQ.body);
      const highJson = JSON.parse(highQ.body);
      expect(lowJson.processedSize).toBeLessThan(highJson.processedSize);
    }
  });
});