import "fake-indexeddb/auto";
import { IDBFactory } from "fake-indexeddb";
import { beforeEach, describe, expect, it, vi, type MockedFunction } from "vitest";

vi.mock("./api", () => ({ uploadVoiceCapture: vi.fn() }));

type Upload = MockedFunction<typeof import("./api").uploadVoiceCapture>;
let pending: typeof import("./pending-voice");
let upload: typeof import("./upload-pending-voice");
let uploadVoiceCapture: Upload;
let ApiError: typeof import("@/lib/auth/api-client").ApiError;

const input = (ownerUserId = "user-1", colonyId = "colony-1") => ({
  ownerUserId,
  blob: new Blob(["audio"], { type: "audio/webm;codecs=opus" }),
  mime: "audio/webm;codecs=opus",
  durationSec: 42,
  colonyId,
  inspectionDate: "2026-10-16",
});
const never = () => false;

describe("uploadPendingVoice", () => {
  beforeEach(async () => {
    globalThis.indexedDB = new IDBFactory();
    vi.stubGlobal("navigator", { storage: { persist: vi.fn().mockResolvedValue(true) } });
    vi.resetModules();
    pending = await import("./pending-voice");
    upload = await import("./upload-pending-voice");
    uploadVoiceCapture = vi.mocked((await import("./api")).uploadVoiceCapture);
    ApiError = (await import("@/lib/auth/api-client")).ApiError;
    uploadVoiceCapture.mockReset();
    uploadVoiceCapture.mockResolvedValue({ id: "cap-1", status: "QUEUED" });
  });

  it("sends a recorded note with its stable key", async () => {
    const note = await pending.queueVoiceNote(input());

    const result = await upload.uploadPendingVoice("user-1", never);

    expect(result).toEqual({ synced: 1, failed: 0, skippedForeign: 0 });
    expect(uploadVoiceCapture).toHaveBeenCalledTimes(1);
    expect(uploadVoiceCapture.mock.calls[0][0].uploadIdempotencyKey).toBe(
      note.uploadIdempotencyKey,
    );
  });

  it("deletes the local audio after a 2xx", async () => {
    await pending.queueVoiceNote(input());

    await upload.uploadPendingVoice("user-1", never);

    expect(await pending.listPendingVoice("user-1")).toEqual([]);
  });

  it("sends the same key again after a lost answer", async () => {
    const note = await pending.queueVoiceNote(input());
    uploadVoiceCapture.mockRejectedValueOnce(new TypeError("Failed to fetch"));

    await upload.uploadPendingVoice("user-1", never);
    await upload.uploadPendingVoice("user-1", never);

    const keys = uploadVoiceCapture.mock.calls.map(([n]) => n.uploadIdempotencyKey);
    expect(keys).toEqual([note.uploadIdempotencyKey, note.uploadIdempotencyKey]);
    expect(await pending.listPendingVoice("user-1")).toEqual([]);
  });

  it("keeps 4xx rejections as lastError and does not send them again", async () => {
    await pending.queueVoiceNote(input());
    uploadVoiceCapture.mockRejectedValueOnce(
      new ApiError(415, "Dieses Audioformat wird nicht unterstützt.", {
        code: "UNSUPPORTED_AUDIO",
      }),
    );

    const first = await upload.uploadPendingVoice("user-1", never);
    const second = await upload.uploadPendingVoice("user-1", never);

    const [note] = await pending.listPendingVoice("user-1");
    expect(note.lastError).toMatchObject({ status: 415, details: { code: "UNSUPPORTED_AUDIO" } });
    expect(first.failed).toBe(1);
    expect(second).toEqual({ synced: 0, failed: 0, skippedForeign: 0 });
    expect(uploadVoiceCapture).toHaveBeenCalledTimes(1);
  });

  it.each([429, 503, 408])("treats %i as try later and keeps the rest", async (status) => {
    await pending.queueVoiceNote(input());
    await pending.queueVoiceNote(input("user-1", "colony-2"));
    uploadVoiceCapture.mockRejectedValueOnce(new ApiError(status, "später"));

    const result = await upload.uploadPendingVoice("user-1", never);

    expect(result.synced).toBe(0);
    const notes = await pending.listPendingVoice("user-1");
    expect(notes).toHaveLength(2);
    expect(notes.every((n) => n.lastError === undefined)).toBe(true);
  });

  it("a 409 'still being processed' skips that note and goes on", async () => {
    await pending.queueVoiceNote(input());
    await pending.queueVoiceNote(input("user-1", "colony-2"));
    uploadVoiceCapture.mockRejectedValueOnce(
      new ApiError(409, "Diese Anfrage wird bereits verarbeitet - bitte kurz warten"),
    );

    const result = await upload.uploadPendingVoice("user-1", never);

    expect(uploadVoiceCapture).toHaveBeenCalledTimes(2);
    expect(result).toEqual({ synced: 1, failed: 0, skippedForeign: 0 });
    const [left] = await pending.listPendingVoice("user-1");
    expect(left.lastError).toBeUndefined();
  });

  it("any other 409 is a real refusal and is kept on the note", async () => {
    await pending.queueVoiceNote(input());
    uploadVoiceCapture.mockRejectedValueOnce(new ApiError(409, "Schlüssel schon benutzt"));

    await upload.uploadPendingVoice("user-1", never);

    const [note] = await pending.listPendingVoice("user-1");
    expect(note.lastError).toMatchObject({ status: 409 });
  });

  it("remembers that a run stopped on TOO_MANY_OPEN", async () => {
    await pending.queueVoiceNote(input());
    uploadVoiceCapture.mockRejectedValueOnce(
      new ApiError(429, "x", { code: "TOO_MANY_OPEN" }),
    );

    await upload.uploadPendingVoice("user-1", never);

    const [note] = await pending.listPendingVoice("user-1");
    expect(note.blockedBy).toBe("TOO_MANY_OPEN");
    expect(note.lastError).toBeUndefined();
  });

  it("stops on a network error and keeps the rest", async () => {
    await pending.queueVoiceNote(input());
    await pending.queueVoiceNote(input("user-1", "colony-2"));
    uploadVoiceCapture.mockRejectedValue(new TypeError("Failed to fetch"));

    const result = await upload.uploadPendingVoice("user-1", never);

    expect(uploadVoiceCapture).toHaveBeenCalledTimes(1);
    expect(result.failed).toBe(1);
    expect(await pending.listPendingVoice("user-1")).toHaveLength(2);
  });

  it("stops on 401 without marking the note", async () => {
    await pending.queueVoiceNote(input());
    uploadVoiceCapture.mockRejectedValue(new ApiError(401, "Nicht angemeldet"));

    await upload.uploadPendingVoice("user-1", never);

    const [note] = await pending.listPendingVoice("user-1");
    expect(note.lastError).toBeUndefined();
  });

  it("never sends another user's recordings", async () => {
    await pending.queueVoiceNote(input("user-2"));

    const result = await upload.uploadPendingVoice("user-1", never);

    expect(uploadVoiceCapture).not.toHaveBeenCalled();
    expect(result.skippedForeign).toBe(1);
    expect(await pending.listPendingVoice("user-2")).toHaveLength(1);
  });

  it("a cancelled run sends no voice note", async () => {
    await pending.queueVoiceNote(input());

    await upload.uploadPendingVoice("user-1", () => true);

    expect(uploadVoiceCapture).not.toHaveBeenCalled();
    expect(await pending.listPendingVoice("user-1")).toHaveLength(1);
  });

  it("skips a note discarded while the run was going", async () => {
    const first = await pending.queueVoiceNote(input());
    await pending.queueVoiceNote(input("user-1", "colony-2"));
    uploadVoiceCapture.mockImplementationOnce(async () => {
      const [, second] = await pending.listPendingVoice("user-1");
      await pending.discardPendingVoice(second.id, "user-1");
      return { id: first.id, status: "QUEUED" as const };
    });

    const result = await upload.uploadPendingVoice("user-1", never);

    expect(uploadVoiceCapture).toHaveBeenCalledTimes(1);
    expect(result.synced).toBe(1);
  });
});