/**
 * Task.spec.ts —— 生成进度页组件单测（plan 002 U6）。
 * 验:进入即轮询;终态完成(2)→自动跳预览(versionId+gameId);终态失败(3)→重生成→跳新任务链。
 * 用真 store + mock studioApi(保 currentChain 真响应式,watch 能触发)+ mock router。跑 `npm test`。
 */
import { describe, it, expect, vi, beforeEach } from 'vitest'
import { mount, flushPromises } from '@vue/test-utils'
import { setActivePinia, createPinia } from 'pinia'
import { createI18n } from 'vue-i18n'

const replace = vi.fn()
const push = vi.fn()
vi.mock('vue-router', () => ({ useRouter: () => ({ replace, push }) }))

vi.mock('../../api/studio', () => ({
  getTemplates: vi.fn(),
  createGame: vi.fn(),
  modifyGame: vi.fn(),
  extendGame: vi.fn(),
  getTaskChain: vi.fn(),
  regenerate: vi.fn(),
}))

import * as studioApi from '../../api/studio'
import Task from './Task.vue'

const api = studioApi as unknown as Record<string, ReturnType<typeof vi.fn>>
const i18n = createI18n({ legacy: false, locale: 'zh-CN', messages: { 'zh-CN': {} }, missingWarn: false, fallbackWarn: false })
const AppButtonStub = {
  props: ['disabled', 'loading', 'block', 'size', 'type'],
  emits: ['click'],
  template: '<button class="app-btn" :disabled="disabled" @click="$emit(\'click\')"><slot/></button>',
}

function mountTask(taskId = '1001') {
  setActivePinia(createPinia())
  return mount(Task, {
    props: { taskId },
    global: {
      plugins: [i18n],
      stubs: { LoadingBar: true, Icon: true, AppButton: AppButtonStub, EmptyState: { template: '<div class="empty"><slot name="action"/></div>' } },
    },
  })
}

describe('Task.vue（生成进度页·studio 任务链）', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    replace.mockClear()
    push.mockClear()
  })

  it('进入即对 taskChainId 启动轮询(getTaskChain)', async () => {
    api.getTaskChain.mockResolvedValue({ id: 1001, gameId: 1, status: 1, progress: 20 })
    mountTask('1001')
    await flushPromises()
    expect(api.getTaskChain).toHaveBeenCalledWith(1001)
  })

  it('终态完成(2)+versionId → 自动 router.replace 跳预览(带 gameId)', async () => {
    api.getTaskChain.mockResolvedValue({ id: 1001, gameId: 1, status: 2, progress: 100, versionId: 9001 })
    mountTask('1001')
    await flushPromises()
    expect(replace).toHaveBeenCalledOnce()
    const nav = replace.mock.calls[0][0]
    expect(nav.name).toBe('create-preview')
    expect(nav.params.versionId).toBe('9001')
    expect(nav.query.gameId).toBe('1')
  })

  it('终态失败(3) → 不跳预览;点重生成 → regenerate 并跳新任务链', async () => {
    api.getTaskChain.mockResolvedValue({ id: 1001, gameId: 1, status: 3, progress: 0 })
    api.regenerate.mockResolvedValue({ id: 1009, gameId: 1, status: 1, progress: 0, retryOf: 1001 })
    const w = mountTask('1001')
    await flushPromises()
    expect(replace).not.toHaveBeenCalled() // 失败不跳预览
    // 失败态有重生成按钮(EmptyState #action 内 primary 按钮)
    const btns = w.findAll('.app-btn')
    expect(btns.length).toBeGreaterThan(0)
    await btns[btns.length - 1].trigger('click') // 重生成(末按钮=primary)
    await flushPromises()
    expect(api.regenerate).toHaveBeenCalledWith(1001)
    const nav = replace.mock.calls[0][0]
    expect(nav.name).toBe('create-task')
    expect(nav.params.taskId).toBe('1009')
  })
})