const fs = require('fs')
const path = require('path')

function readJson(fileName) {
  return JSON.parse(
    fs.readFileSync(path.join(process.cwd(), fileName), {
      encoding: 'utf8'
    })
  )
}

describe('project config', () => {
  test('declares an explicit project name and base library version in root config', () => {
    const projectConfig = readJson('project.config.json')

    expect(projectConfig.projectname).toEqual(expect.any(String))
    expect(projectConfig.projectname.trim()).not.toBe('')
    expect(projectConfig.libVersion).toMatch(/^\d+\.\d+\.\d+$/)
  })

  test('registers native tab pages and matching tabBar items in app config', () => {
    const appConfig = readJson('app.json')
    const expectedTabPages = [
      'pages/home/index',
      'pages/library/index',
      'pages/ai/index',
      'pages/profile/index'
    ]

    expect(appConfig.pages).toEqual(
      expect.arrayContaining([...expectedTabPages, 'pages/login/index'])
    )
    expect(appConfig.tabBar).toEqual(
      expect.objectContaining({
        list: expect.arrayContaining(
          expectedTabPages.map(pagePath =>
            expect.objectContaining({
              pagePath
            })
          )
        )
      })
    )
    expect(appConfig.tabBar.list).toHaveLength(4)
  })

  test('registers static migration subpackages in app config', () => {
    const appConfig = readJson('app.json')

    expect(appConfig.subPackages).toEqual(
      expect.arrayContaining([
        expect.objectContaining({
          root: 'packages/tcm',
          pages: expect.arrayContaining([
            'pages/ai-history/index',
            'pages/assets/index',
            'pages/bianzheng/index',
            'pages/book-detail/index',
            'pages/search-books/index',
            'pages/section/index',
            'pages/placeholder/index'
          ])
        }),
        expect.objectContaining({
          root: 'packages/mingli',
          pages: expect.arrayContaining([
            'pages/hall/index',
            'pages/bazi/index',
            'pages/book-detail/index',
            'pages/search-books/index',
            'pages/section/index',
            'pages/interpret/index'
          ])
        }),
        expect.objectContaining({
          root: 'packages/learning',
          pages: ['pages/center/index']
        })
      ])
    )
  })
})