// @vitest-environment jsdom
/**
 * AGC 素材直传（封面 / 截图）的三步链路边界。
 *
 * 这里只替换平台 API 调用与对象存储直传实现，验证「凭证 → 直传 → confirm」的字段口径、
 * 地址白名单与错误文案，不触达真实 Tauri HTTP 插件或 OSS。
 */
import { beforeEach, expect, test, vi } from 'vitest';

const requestClientApiMock = vi.hoisted(() => vi.fn());

vi.mock('../src/services/clientApi', () => ({
  requestClientApi: (...args: unknown[]) => requestClientApiMock(...args),
}));

import {
  resolvePlatformAssetUploadUrl,
  uploadPlatformMediaAsset,
} from '../src/services/assetDirectUpload';

const TICKET = {
  upload: {
    bucket: 'genarrative-assets',
    host: 'https://genarrative-assets.oss-cn-shanghai.aliyuncs.com/',
    objectKey:
      'generated-character-drafts/game-distribution/cover/42/cover.png',
    legacyPublicPath: '/generated-character-drafts/game-distribution/cover/42',
    formFields: {
      key: 'generated-character-drafts/game-distribution/cover/42/cover.png',
      policy: 'policy-value',
      OSSAccessKeyId: 'ak-value',
      signature: 'signature-value',
      success_action_status: '204',
      'x-oss-meta-asset_kind': 'game_distribution_cover',
    },
  },
};

const CONFIRMED = {
  assetObject: {
    assetObjectId: 'asset_cover_1',
    objectKey: TICKET.upload.objectKey,
    assetKind: 'game_distribution_cover',
  },
};

function buildCoverFile() {
  return new File(['cover-bytes'], 'cover.png', { type: 'image/png' });
}

beforeEach(() => {
  requestClientApiMock.mockReset();
  requestClientApiMock
    .mockResolvedValueOnce(TICKET)
    .mockResolvedValueOnce(CONFIRMED);
});

test('封面按凭证、直传、confirm 三步上传并返回素材标识', async () => {
  const uploadFetch = vi.fn(async () => new Response(null, { status: 204 }));
  const file = buildCoverFile();

  const uploaded = await uploadPlatformMediaAsset({
    file,
    assetKind: 'game_distribution_cover',
    pathSegments: ['game-distribution', 'cover', '42'],
    entityId: 'game-distribution-cover',
    metadata: { game_distribution_media: 'cover' },
    fetchImpl: uploadFetch,
  });

  expect(uploaded).toEqual({
    assetObjectId: 'asset_cover_1',
    objectKey: TICKET.upload.objectKey,
  });

  const ticketCall = requestClientApiMock.mock.calls[0];
  expect(ticketCall?.[0]).toBe('/api/assets/direct-upload-tickets');
  const ticketBody = JSON.parse(String((ticketCall?.[1] as RequestInit).body));
  expect(ticketBody).toEqual(
    expect.objectContaining({
      legacyPrefix: 'generated-character-drafts',
      pathSegments: ['game-distribution', 'cover', '42'],
      fileName: 'cover.png',
      contentType: 'image/png',
      access: 'private',
      maxSizeBytes: file.size,
      metadata: {
        asset_kind: 'game_distribution_cover',
        game_distribution_media: 'cover',
      },
    }),
  );

  const uploadCall = uploadFetch.mock.calls[0] as unknown as [
    string,
    RequestInit,
  ];
  expect(uploadCall[0]).toBe(TICKET.upload.host);
  expect(uploadCall[1].method).toBe('POST');
  const formData = uploadCall[1].body as FormData;
  expect(formData.get('policy')).toBe('policy-value');
  expect(formData.get('signature')).toBe('signature-value');
  expect(formData.get('success_action_status')).toBe('204');
  const uploadedFile = formData.get('file');
  expect(uploadedFile).toBeInstanceOf(File);
  expect((uploadedFile as File).name).toBe('cover.png');

  const confirmCall = requestClientApiMock.mock.calls[1];
  expect(confirmCall?.[0]).toBe('/api/assets/objects/confirm');
  expect(JSON.parse(String((confirmCall?.[1] as RequestInit).body))).toEqual({
    bucket: 'genarrative-assets',
    objectKey: TICKET.upload.objectKey,
    contentType: 'image/png',
    contentLength: file.size,
    assetKind: 'game_distribution_cover',
    accessPolicy: 'private',
    entityId: 'game-distribution-cover',
  });
});

test('直传地址不属于平台素材存储时失败关闭，且不发送文件', async () => {
  requestClientApiMock.mockReset();
  requestClientApiMock
    .mockResolvedValueOnce({
      upload: { ...TICKET.upload, host: 'https://evil.example.com/upload' },
    })
    .mockResolvedValueOnce(CONFIRMED);
  const uploadFetch = vi.fn();

  await expect(
    uploadPlatformMediaAsset({
      file: buildCoverFile(),
      assetKind: 'game_distribution_cover',
      pathSegments: ['game-distribution', 'cover', '42'],
      entityId: 'game-distribution-cover',
      fetchImpl: uploadFetch as never,
    }),
  ).rejects.toThrow('素材上传地址不属于平台素材存储，已终止上传');

  expect(uploadFetch).not.toHaveBeenCalled();
  expect(requestClientApiMock).toHaveBeenCalledTimes(1);
});

test('对象存储拒绝上传时给出可重试文案', async () => {
  const uploadFetch = vi.fn(
    async () => new Response('denied', { status: 403 }),
  );

  await expect(
    uploadPlatformMediaAsset({
      file: buildCoverFile(),
      assetKind: 'game_distribution_screenshot',
      pathSegments: ['game-distribution', 'screenshot', '42'],
      entityId: 'game-distribution-screenshot',
      fetchImpl: uploadFetch,
    }),
  ).rejects.toThrow('上传素材到对象存储失败（HTTP 403），请重试');

  // 直传失败时不得再登记素材，避免留下没有实体的素材记录。
  expect(requestClientApiMock).toHaveBeenCalledTimes(1);
});

test('直传网络/作用域错误转成可操作文案', async () => {
  const uploadFetch = vi.fn(async () => {
    throw new Error('url not allowed on the configured scope');
  });

  await expect(
    uploadPlatformMediaAsset({
      file: buildCoverFile(),
      assetKind: 'game_distribution_cover',
      pathSegments: ['game-distribution', 'cover', '42'],
      entityId: 'game-distribution-cover',
      fetchImpl: uploadFetch,
    }),
  ).rejects.toThrow(
    '上传素材失败：无法访问素材存储，请检查网络后重试（url not allowed on the configured scope）',
  );

  // 直传抛错时不得继续登记素材。
  expect(requestClientApiMock).toHaveBeenCalledTimes(1);
});

test('本地回环与阿里云 OSS 之外的主机一律拒绝', () => {
  expect(resolvePlatformAssetUploadUrl('http://127.0.0.1:9000/bucket')).toBe(
    'http://127.0.0.1:9000/bucket',
  );
  expect(
    resolvePlatformAssetUploadUrl(
      'https://genarrative-assets.oss-cn-beijing.aliyuncs.com/',
    ),
  ).toBe('https://genarrative-assets.oss-cn-beijing.aliyuncs.com/');
  expect(() =>
    resolvePlatformAssetUploadUrl('http://oss.example.com/'),
  ).toThrow('素材上传地址不属于平台素材存储，已终止上传');
  expect(() => resolvePlatformAssetUploadUrl('   ')).toThrow(
    '素材上传地址为空，请稍后重试',
  );
});