import { describe, it, expect, vi, beforeEach } from 'vitest'
import { mount, flushPromises } from '@vue/test-utils'
import { ref } from 'vue'
import ConfigView from '../views/ConfigView.vue'

global.fetch = vi.fn()

// Mock localStorage
const localStorageMock = (() => {
  let store = {}
  return {
    getItem: vi.fn(k => store[k] || null),
    setItem: vi.fn((k, v) => { store[k] = v }),
    removeItem: vi.fn(k => { delete store[k] }),
    clear: vi.fn(() => { store = {} }),
  }
})()
Object.defineProperty(global, 'localStorage', { value: localStorageMock })

function mockFetch(url) {
  const responses = {
    '/api/config/apps': { '1': { name: '测试App', server: '测试环境', AppGuid: 'guid' } },
    '/api/config/schemes': { '1': { name: 'testScheme', ossFloder: 'test' } },
    '/api/config/servers': { '测试环境': { api: 'https://test.com', assDom: '', universalLink: '' } },
    '/api/config/branches': ['main', 'dev'],
    '/api/config/build': { max_concurrent_builds: 2, build_dir_retention_hours: 24, build_base_dir: '/tmp' },
    '/api/config/versions': {
      app_ver: '2.195.0',
      build_ver: '2.195.0.0',
      tracks: {
        release: { app_ver: '2.195.0', build_ver: '2.195.0.0', build_map: {} },
        feature: { app_ver: '2.100.0', build_ver: '2.100.0.0', build_map: {} },
      },
      branch_track: { main: 'release', dev: 'release' },
    },
    '/api/config': { apps: {}, schemes: {}, branches: ['main'] },
  }
  return Promise.resolve({
    json: () => Promise.resolve(responses[url] || {}),
  })
}

const mountConfigView = ({ loggedIn = true, admin = true } = {}) => mount(ConfigView, {
  global: {
    provide: {
      showLogin: ref(false),
      getToken: () => '',
      isLoggedIn: ref(loggedIn),
      isAdmin: ref(admin),
    },
  },
})

describe('ConfigView.vue', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    localStorageMock.clear()
    localStorageMock.getItem.mockReturnValue(null)
    fetch.mockImplementation(mockFetch)
  })

  it('未登录时显示权限提示', async () => {
    const wrapper = mountConfigView({ loggedIn: false })
    await flushPromises()
    expect(wrapper.text()).toContain('请先登录')
  })

  it('已登录时显示管理页面', async () => {
    const wrapper = mountConfigView()
    await flushPromises()
    expect(wrapper.text()).toContain('配置管理')
  })

  it('显示侧边栏菜单', async () => {
    const wrapper = mountConfigView()
    await flushPromises()

    const menuItems = wrapper.findAll('.sidebar-menu li')
    const texts = menuItems.map(li => li.text())
    expect(texts).toContain('服务器环境')
    expect(texts).toContain('Apps 配置')
    expect(texts).toContain('Schemes 配置')
    expect(texts).toContain('分支管理')
    expect(texts).toContain('打包设置')
  })

  it('默认显示 Apps 配置 tab', async () => {
    const wrapper = mountConfigView()
    await flushPromises()
    expect(wrapper.text()).toContain('Apps 配置')
  })

  it('切换到分支管理 tab', async () => {
    const wrapper = mountConfigView()
    await flushPromises()

    const branchesMenu = wrapper.findAll('.sidebar-menu li').find(li => li.text() === '分支管理')
    await branchesMenu.trigger('click')
    await wrapper.vm.$nextTick()

    expect(wrapper.text()).toContain('main')
    expect(wrapper.text()).toContain('dev')
  })

  it('添加分支', async () => {
    fetch.mockImplementation((url, opts) => {
      if (url === '/api/config/branches' && opts?.method === 'POST') {
        return Promise.resolve({ ok: true, json: () => Promise.resolve({ message: 'ok' }) })
      }
      return mockFetch(url)
    })

    const wrapper = mountConfigView()
    await flushPromises()

    const branchesMenu = wrapper.findAll('.sidebar-menu li').find(li => li.text() === '分支管理')
    await branchesMenu.trigger('click')
    await wrapper.vm.$nextTick()

    const input = wrapper.find('input[placeholder="输入分支名称"]')
    await input.setValue('new-branch')

    const addBtn = wrapper.findAll('.btn-primary').find(b => b.text() === '添加分支')
    await addBtn.trigger('click')
    await flushPromises()

    expect(fetch).toHaveBeenCalledWith('/api/config/branches', expect.objectContaining({
      method: 'POST',
    }))
  })

  it('删除分支', async () => {
    window.confirm = vi.fn(() => true)
    fetch.mockImplementation((url, opts) => {
      if (url.includes('/api/config/branches/') && opts?.method === 'DELETE') {
        return Promise.resolve({ ok: true, json: () => Promise.resolve({ message: 'ok' }) })
      }
      return mockFetch(url)
    })

    const wrapper = mountConfigView()
    await flushPromises()

    const branchesMenu = wrapper.findAll('.sidebar-menu li').find(li => li.text() === '分支管理')
    await branchesMenu.trigger('click')
    await wrapper.vm.$nextTick()

    const deleteBtns = wrapper.findAll('.action-btn.delete')
    if (deleteBtns.length > 0) {
      await deleteBtns[0].trigger('click')
      await flushPromises()
      expect(window.confirm).toHaveBeenCalled()
    }
  })

  it('保存打包设置', async () => {
    fetch.mockImplementation((url, opts) => {
      if (url === '/api/config/build' && opts?.method === 'PUT') {
        return Promise.resolve({ ok: true, json: () => Promise.resolve({ message: 'ok' }) })
      }
      return mockFetch(url)
    })
    window.alert = vi.fn()

    const wrapper = mountConfigView()
    await flushPromises()

    const buildMenu = wrapper.findAll('.sidebar-menu li').find(li => li.text() === '打包设置')
    await buildMenu.trigger('click')
    await wrapper.vm.$nextTick()

    const saveBtn = wrapper.findAll('.btn-primary').find(b => b.text() === '保存设置')
    await saveBtn.trigger('click')
    await flushPromises()

    expect(window.alert).toHaveBeenCalledWith('设置已保存')
  })

  it('普通账号只能管理 Apps，看不到打包设置与版本号', async () => {
    const wrapper = mountConfigView({ admin: false })
    await flushPromises()

    const menuTexts = wrapper.findAll('.sidebar-menu li').map(li => li.text())
    expect(menuTexts).toEqual(['Apps 配置'])

    expect(wrapper.text()).not.toContain('上架版本号')
    expect(wrapper.text()).not.toContain('自测版本号')
    expect(wrapper.text()).not.toContain('打包参数')
    // 版本号接口为管理员专属，普通账号不再请求
    expect(fetch).not.toHaveBeenCalledWith('/api/config/versions', expect.anything())
    expect(fetch.mock.calls.map(c => c[0])).toEqual(['/api/config/apps'])
  })

  it('两条版本轨道各自独立展示与保存', async () => {
    const calls = []
    fetch.mockImplementation((url, opts) => {
      if (url === '/api/config/versions' && opts?.method === 'PUT') {
        calls.push(JSON.parse(opts.body))
        return Promise.resolve({
          ok: true,
          json: () => Promise.resolve({ app_ver: '2.101.0', build_ver: '2.101.0.0' }),
        })
      }
      return mockFetch(url)
    })
    window.alert = vi.fn()

    const wrapper = mountConfigView()
    await flushPromises()

    const buildMenu = wrapper.findAll('.sidebar-menu li').find(li => li.text() === '打包设置')
    await buildMenu.trigger('click')
    await wrapper.vm.$nextTick()

    const inputs = wrapper.findAll('input[type="text"]')
    expect(inputs[0].element.value).toBe('2.195.0')  // release App_Ver
    expect(inputs[2].element.value).toBe('2.100.0')  // feature App_Ver

    await inputs[2].setValue('2.101.0')
    const saveBtn = wrapper.findAll('.btn-primary').find(b => b.text() === '保存自测版本号')
    await saveBtn.trigger('click')
    await flushPromises()

    expect(calls).toEqual([{ track: 'feature', app_ver: '2.101.0', build_ver: '2.101.0.0' }])
  })

  it('分支管理可切换版本轨道', async () => {
    const calls = []
    fetch.mockImplementation((url, opts) => {
      if (url === '/api/config/branches/track' && opts?.method === 'PUT') {
        calls.push(JSON.parse(opts.body))
        return Promise.resolve({ ok: true, json: () => Promise.resolve({ message: 'ok' }) })
      }
      return mockFetch(url)
    })

    const wrapper = mountConfigView()
    await flushPromises()

    const branchesMenu = wrapper.findAll('.sidebar-menu li').find(li => li.text() === '分支管理')
    await branchesMenu.trigger('click')
    await wrapper.vm.$nextTick()

    const select = wrapper.find('.config-table select')
    expect(select.element.value).toBe('release')
    await select.setValue('feature')
    await flushPromises()

    expect(calls).toEqual([{ branch: 'main', track: 'feature' }])
  })
})