import { test, expect } from "@playwright/test";
import {
  buildAliyunCanvasVideoRequest,
  executeAliyunCanvasVideo,
} from "@/lib/ai/providers/aliyun-canvas-video";
import { filterCanvasModels } from "@/lib/video-canvas/model-matching";
const input = {
  modelId: "wan2.6-i2v-flash",
  prompt: "red mug",
  mode: "first-frame" as const,
  images: ["https://example.com/mug.png"],
  duration: 5,
  resolution: "720p" as const,
  ratio: "adaptive" as const,
  apiKey: "test",
  baseURL: "https://dashscope.aliyuncs.com/api/v1",
};
test("maps Wan first frame to official synthesis contract, preserving audio false", () => {
  expect(buildAliyunCanvasVideoRequest({ ...input, generateAudio: false }, input.modelId)).toEqual({
    model: input.modelId,
    input: { prompt: "red mug", img_url: input.images[0] },
    parameters: {
      resolution: "720P",
      duration: 5,
      audio: false,
      prompt_extend: false,
      watermark: false,
    },
  });
});
test("unsupported modes, models and parameter combinations fail before submission", () => {
  for (const patch of [
    { mode: "first-last-frame", images: [...input.images, ...input.images] },
    { duration: 1 },
    { duration: 5.5 },
    { resolution: "480p" },
    { audioUrls: ["https://example.com/audio.mp3"] },
    { returnLastFrame: true },
  ])
    expect(() =>
      buildAliyunCanvasVideoRequest({ ...input, ...patch } as any, input.modelId),
    ).toThrow();
  expect(() => buildAliyunCanvasVideoRequest(input, "wan3-unknown")).toThrow();
});
test("only the implemented Wan model is selectable, only for first frame", () => {
  const model = {
    modelId: input.modelId,
    providerType: "qianwen-video",
    capabilities: { kind: "video", supportedModes: ["first-frame"] },
  };
  expect(filterCanvasModels([model], "video", "first-frame")).toEqual([model]);
  expect(filterCanvasModels([model], "video", "first-last-frame")).toEqual([]);
  expect(filterCanvasModels([{ ...model, modelId: "wan3-unknown" }], "video")).toEqual([]);
});
test("polls accepted task without resubmitting, returns upstream artifact and metadata", async () => {
  const calls: Array<{ url: string; init: any }> = [];
  let polls = 0;
  const fetch: typeof globalThis.fetch = async (url, init) => {
    calls.push({ url: String(url), init });
    return Response.json(
      init?.method === "POST"
        ? { output: { task_id: "task-1" } }
        : {
            output:
              ++polls === 1
                ? { task_status: "RUNNING" }
                : { task_status: "SUCCEEDED", video_url: "https://example.com/video.mp4" },
            request_id: "req-1",
          },
    );
  };
  const result = await executeAliyunCanvasVideo(input, { fetch, sleep: async () => {} });
  expect(calls.map((c) => [c.url, c.init.method || "GET"])).toEqual([
    [
      "https://dashscope.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis",
      "POST",
    ],
    ["https://dashscope.aliyuncs.com/api/v1/tasks/task-1", "GET"],
    ["https://dashscope.aliyuncs.com/api/v1/tasks/task-1", "GET"],
  ]);
  expect(result).toMatchObject({
    url: "https://example.com/video.mp4",
    metadata: { taskId: "task-1", duration: 5, generateAudio: false },
  });
});
test("task failure is not returned as a successful video", async () => {
  const fetch: typeof globalThis.fetch = async (_url, init) =>
    Response.json(
      init?.method === "POST"
        ? { output: { task_id: "task-failed" } }
        : { output: { task_status: "FAILED", code: "InvalidParameter" } },
    );
  await expect(executeAliyunCanvasVideo(input, { fetch, sleep: async () => {} })).rejects.toThrow(
    "InvalidParameter，任务 task-failed",
  );
});
test("completed task without output is rejected and API auth errors do not expose secrets", async () => {
  const missing: typeof globalThis.fetch = async (_url, init) =>
    Response.json(
      init?.method === "POST"
        ? { output: { task_id: "empty" } }
        : { output: { task_status: "SUCCEEDED" } },
    );
  await expect(
    executeAliyunCanvasVideo(input, { fetch: missing, sleep: async () => {} }),
  ).rejects.toThrow("没有返回视频");
  const denied: typeof globalThis.fetch = async () =>
    Response.json(
      { code: "InvalidApiKey", message: "private upstream diagnostic" },
      { status: 401 },
    );
  await expect(
    executeAliyunCanvasVideo(input, { fetch: denied, sleep: async () => {} }),
  ).rejects.toThrow("阿里云视频请求失败（401）：InvalidApiKey");
});

test("resumes a persisted Aliyun task without POST or saving a new task ID", async () => {
  const calls: string[] = [];
  const result = await executeAliyunCanvasVideo(
    {
      ...input,
      lifecycle: {
        resume: { taskId: "existing" },
        accepted: async () => {
          throw Error("unexpected create");
        },
        assertActive: async () => {},
      },
    },
    {
      sleep: async () => {},
      fetch: async (url, init) => {
        calls.push(init?.method || "GET");
        expect(String(url)).toContain("/tasks/existing");
        return Response.json({
          output: { task_status: "SUCCEEDED", video_url: "https://example.com/old.mp4" },
        });
      },
    },
  );
  expect(calls).toEqual(["GET"]);
  expect(result.url).toContain("old.mp4");
});
test("saves accepted video ID before first GET and stops when execution ownership changes", async () => {
  let saved = false;
  let gets = 0;
  await expect(
    executeAliyunCanvasVideo(
      {
        ...input,
        lifecycle: {
          accepted: async ({ taskId }) => {
            expect(taskId).toBe("accepted");
            saved = true;
          },
          assertActive: async () => {
            if (saved) throw Error("lease lost");
          },
        },
      },
      {
        sleep: async () => {},
        fetch: async (_url, init) => {
          if (init?.method !== "POST") {
            gets++;
            expect(saved).toBe(true);
          }
          return Response.json({ output: { task_id: "accepted" } });
        },
      },
    ),
  ).rejects.toThrow("lease lost");
  expect(saved).toBe(true);
  expect(gets).toBe(0);
});