jest.mock('fs')

const fs = require('fs-extra')
const path = require('path')
const Generator = require('../lib/Generator')
const { logs } = require('@vue/cli-shared-utils')
const stringifyJS = require('../lib/util/stringifyJS')

// prepare template fixtures
const templateDir = path.resolve(__dirname, 'template')
fs.ensureDirSync(templateDir)
fs.writeFileSync(path.resolve(templateDir, 'foo.js'), 'foo(<%- options.n %>)')
fs.ensureDirSync(path.resolve(templateDir, 'bar'))
fs.writeFileSync(path.resolve(templateDir, 'bar/bar.js'), 'bar(<%- m %>)')
fs.writeFileSync(path.resolve(templateDir, 'bar/_bar.js'), '.bar(<%- m %>)')
fs.writeFileSync(path.resolve(templateDir, 'entry.js'), `
import foo from 'foo'

new Vue({
  p: p(),
  baz,
  render: h => h(App)
}).$mount('#app')
`.trim())
fs.writeFileSync(path.resolve(templateDir, 'empty-entry.js'), `;`)
fs.writeFileSync(path.resolve(templateDir, 'main.ts'), `const a: string = 'hello';`)
fs.writeFileSync(path.resolve(templateDir, 'hello.vue'), `
<template>
  <p>Hello, {{ msg }}</p>
</template>
<script>
export default {
  name: 'HelloWorld',
  props: {
    msg: String
  }
}
</script>
`)

// replace stubs
fs.writeFileSync(path.resolve(templateDir, 'replace.js'), `
---
extend: '${path.resolve(templateDir, 'bar/bar.js')}'
replace: !!js/regexp /bar\\((.*)\\)/
---
baz($1)
`.trim())

fs.writeFileSync(path.resolve(templateDir, 'multi-replace-source.js'), `
foo(1)
bar(2)
`.trim())

fs.writeFileSync(path.resolve(templateDir, 'multi-replace.js'), `
---
extend: '${path.resolve(templateDir, 'multi-replace-source.js')}'
replace:
  - !!js/regexp /foo\\((.*)\\)/
  - !!js/regexp /bar\\((.*)\\)/
---
<%# REPLACE %>
baz($1)
<%# END_REPLACE %>

<%# REPLACE %>
qux($1)
<%# END_REPLACE %>
`.trim())

// dotfile stubs
fs.ensureDirSync(path.resolve(templateDir, '_vscode'))
fs.writeFileSync(path.resolve(templateDir, '_vscode/config.json'), `{}`)
fs.writeFileSync(path.resolve(templateDir, '_gitignore'), 'foo')

test('api: extendPackage', async () => {
  const generator = new Generator('/', {
    pkg: {
      name: 'hello',
      list: [1],
      vue: {
        foo: 1,
        bar: 2,
        pluginOptions: {
          graphqlMock: true,
          apolloEngine: false
        }
      }
    },
    plugins: [{
      id: 'test',
      apply: api => {
        api.extendPackage({
          name: 'hello2',
          list: [2],
          vue: {
            foo: 2,
            baz: 3,
            pluginOptions: {
              enableInSFC: true
            }
          }
        })
      }
    }]
  })

  await generator.generate()

  const pkg = JSON.parse(fs.readFileSync('/package.json', 'utf-8'))
  expect(pkg).toEqual({
    name: 'hello2',
    list: [1, 2],
    vue: {
      foo: 2,
      bar: 2,
      baz: 3,
      pluginOptions: {
        graphqlMock: true,
        apolloEngine: false,
        enableInSFC: true
      }
    }
  })
})

test('api: extendPackage function', async () => {
  const generator = new Generator('/', {
    pkg: { foo: 1 },
    plugins: [{
      id: 'test',
      apply: api => {
        api.extendPackage(pkg => ({
          foo: pkg.foo + 1
        }))
      }
    }]
  })

  await generator.generate()

  const pkg = JSON.parse(fs.readFileSync('/package.json', 'utf-8'))
  expect(pkg).toEqual({
    foo: 2
  })
})

test('api: extendPackage allow git, github, http, file version ranges', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.extendPackage({
          dependencies: {
            foo: 'git+ssh://git@github.com:npm/npm.git#v1.0.27',
            baz: 'git://github.com/npm/npm.git#v1.0.27',
            bar: 'expressjs/express',
            bad: 'mochajs/mocha#4727d357ea',
            bac: 'http://asdf.com/asdf.tar.gz',
            bae: 'file:../dyl',
            'my-lib': 'https://bitbucket.org/user/my-lib.git#semver:^1.0.0'
          }
        })
      }
    }
  ] })

  await generator.generate()

  const pkg = JSON.parse(fs.readFileSync('/package.json', 'utf-8'))
  expect(pkg).toEqual({
    dependencies: {
      foo: 'git+ssh://git@github.com:npm/npm.git#v1.0.27',
      baz: 'git://github.com/npm/npm.git#v1.0.27',
      bar: 'expressjs/express',
      bad: 'mochajs/mocha#4727d357ea',
      bac: 'http://asdf.com/asdf.tar.gz',
      bae: 'file:../dyl',
      'my-lib': 'https://bitbucket.org/user/my-lib.git#semver:^1.0.0'
    }
  })
})

test('api: extendPackage merge nonstrictly semver deps', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.extendPackage({
          dependencies: {
            'my-lib': 'https://bitbucket.org/user/my-lib.git#semver:1.0.0',
            bar: 'expressjs/express'
          }
        })
      }
    },
    {
      id: 'test2',
      apply: api => {
        api.extendPackage({
          dependencies: {
            'my-lib': 'https://bitbucket.org/user/my-lib.git#semver:1.2.0',
            bar: 'expressjs/express'
          }
        })
      }
    }
  ] })

  await generator.generate()

  const pkg = JSON.parse(fs.readFileSync('/package.json', 'utf-8'))
  expect(pkg).toEqual({
    dependencies: {
      'my-lib': 'https://bitbucket.org/user/my-lib.git#semver:1.2.0',
      bar: 'expressjs/express'
    }
  })
})

test('api: extendPackage merge dependencies', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test1',
      apply: api => {
        api.extendPackage({
          dependencies: {
            foo: '^1.1.0',
            bar: '^1.0.0'
          }
        })
      }
    },
    {
      id: 'test2',
      apply: api => {
        api.extendPackage({
          dependencies: {
            foo: '^1.0.0',
            baz: '^1.0.0'
          }
        })
      }
    }
  ] })

  await generator.generate()

  const pkg = JSON.parse(fs.readFileSync('/package.json', 'utf-8'))
  expect(pkg).toEqual({
    dependencies: {
      foo: '^1.1.0',
      bar: '^1.0.0',
      baz: '^1.0.0'
    }
  })
})

test('api: warn invalid dep range', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test1',
      apply: api => {
        api.extendPackage({
          dependencies: {
            foo: 'foo'
          }
        })
      }
    }
  ] })

  await generator.generate()

  expect(logs.warn.some(([msg]) => {
    return (
      msg.match(/invalid version range for dependency "foo"/) &&
      msg.match(/injected by generator "test1"/)
    )
  })).toBe(true)
})

test('api: extendPackage dependencies conflict', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test1',
      apply: api => {
        api.extendPackage({
          dependencies: {
            foo: '^1.0.0'
          }
        })
      }
    },
    {
      id: 'test2',
      apply: api => {
        api.extendPackage({
          dependencies: {
            foo: '^2.0.0'
          }
        })
      }
    }
  ] })

  await generator.generate()

  expect(logs.warn.some(([msg]) => {
    return (
      msg.match(/conflicting versions for project dependency "foo"/) &&
      msg.match(/\^1\.0\.0 injected by generator "test1"/) &&
      msg.match(/\^2\.0\.0 injected by generator "test2"/) &&
      msg.match(/Using newer version \(\^2\.0\.0\)/)
    )
  })).toBe(true)
})

test('api: extendPackage merge warn nonstrictly semver deps', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test3',
      apply: api => {
        api.extendPackage({
          dependencies: {
            bar: 'expressjs/express'
          }
        })
      }
    },
    {
      id: 'test4',
      apply: api => {
        api.extendPackage({
          dependencies: {
            bar: 'expressjs/express#1234'
          }
        })
      }
    }
  ] })

  await generator.generate()

  expect(logs.warn.some(([msg]) => {
    return (
      msg.match(/conflicting versions for project dependency "bar"/) &&
      msg.match(/expressjs\/express injected by generator "test3"/) &&
      msg.match(/expressjs\/express#1234 injected by generator "test4"/) &&
      msg.match(/Using version \(expressjs\/express\)/)
    )
  })).toBe(true)
})

test('api: render fs directory', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test1',
      apply: api => {
        api.render('./template', { m: 2 })
      },
      options: {
        n: 1
      }
    }
  ] })

  await generator.generate()

  expect(fs.readFileSync('/foo.js', 'utf-8')).toMatch('foo(1)')
  expect(fs.readFileSync('/bar/bar.js', 'utf-8')).toMatch('bar(2)')
  expect(fs.readFileSync('/bar/.bar.js', 'utf-8')).toMatch('.bar(2)')
  expect(fs.readFileSync('/replace.js', 'utf-8')).toMatch('baz(2)')
  expect(fs.readFileSync('/multi-replace.js', 'utf-8')).toMatch('baz(1)\nqux(2)')
  expect(fs.readFileSync('/.gitignore', 'utf-8')).toMatch('foo')
  expect(fs.readFileSync('/.vscode/config.json', 'utf-8')).toMatch('{}')
})

test('api: render object', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test1',
      apply: api => {
        api.render({
          'foo1.js': path.join(templateDir, 'foo.js'),
          'bar/bar1.js': path.join(templateDir, 'bar/bar.js')
        }, { m: 3 })
      },
      options: {
        n: 2
      }
    }
  ] })

  await generator.generate()

  expect(fs.readFileSync('/foo1.js', 'utf-8')).toMatch('foo(2)')
  expect(fs.readFileSync('/bar/bar1.js', 'utf-8')).toMatch('bar(3)')
})

test('api: render middleware', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test1',
      apply: (api, options) => {
        api.render((files, render) => {
          files['foo2.js'] = render('foo(<%- n %>)', options)
          files['bar/bar2.js'] = render('bar(<%- n %>)', options)
        })
      },
      options: {
        n: 3
      }
    }
  ] })

  await generator.generate()

  expect(fs.readFileSync('/foo2.js', 'utf-8')).toMatch('foo(3)')
  expect(fs.readFileSync('/bar/bar2.js', 'utf-8')).toMatch('bar(3)')
})

test('api: hasPlugin', () => {
  new Generator('/', { plugins: [
    {
      id: 'foo',
      apply: api => {
        expect(api.hasPlugin('foo')).toBe(true)
        expect(api.hasPlugin('bar')).toBe(true)
        expect(api.hasPlugin('baz')).toBe(true)
        expect(api.hasPlugin('vue-cli-plugin-bar')).toBe(true)
        expect(api.hasPlugin('@vue/cli-plugin-baz')).toBe(true)
      }
    },
    {
      id: 'vue-cli-plugin-bar',
      apply: () => {}
    },
    {
      id: '@vue/cli-plugin-baz',
      apply: () => {}
    }
  ] })
})

test('api: onCreateComplete', async () => {
  const fn = () => {}
  const cbs = []
  const generator = new Generator('/', {
    plugins: [
      {
        id: 'test',
        apply: api => {
          api.onCreateComplete(fn)
        }
      }
    ],
    afterInvokeCbs: cbs
  })

  await generator.generate()

  expect(cbs).toContain(fn)
})

test('api: afterInvoke', async () => {
  const fn = () => {}
  const cbs = []
  const generator = new Generator('/', {
    plugins: [
      {
        id: 'test',
        apply: api => {
          api.afterInvoke(fn)
        }
      }
    ],
    afterInvokeCbs: cbs
  })

  await generator.generate()

  expect(cbs).toContain(fn)
})

test('api: resolve', () => {
  new Generator('/foo/bar', { plugins: [
    {
      id: 'test',
      apply: api => {
        expect(api.resolve('baz')).toBe(path.resolve('/foo/bar', 'baz'))
      }
    }
  ] })
})

test('api: addEntryImport & addEntryInjection', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectImports('main.js', `import bar from 'bar'`)
        api.injectRootOptions('main.js', ['foo', 'bar'])
        api.render({
          'main.js': path.join(templateDir, 'entry.js')
        })
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/import foo from 'foo'\r?\nimport bar from 'bar'/)
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/new Vue\({\s+p: p\(\),\s+baz,\s+foo,\s+bar,\s+render: h => h\(App\)\s+}\)/)
})

test('api: injectImports to empty file', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectImports('main.js', `import foo from 'foo'`)
        api.injectImports('main.js', `import bar from 'bar'`)
        api.render({
          'main.js': path.join(templateDir, 'empty-entry.js')
        })
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/import foo from 'foo'\r?\nimport bar from 'bar'/)
})

test('api: injectImports to typescript file', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectImports('main.ts', `import foo from 'foo'`)
        api.render({
          'main.ts': path.join(templateDir, 'main.ts')
        })
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.ts', 'utf-8')).toMatch(/import foo from 'foo'/)
})

test('api: addEntryDuplicateImport', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectImports('main.js', `import foo from 'foo'`)
        api.render({
          'main.js': path.join(templateDir, 'entry.js')
        })
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/^import foo from 'foo'\s+new Vue/)
})

test('api: injectImport for .vue files', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectImports('hello.vue', `import foo from 'foo'`)
        api.render({
          'hello.vue': path.join(templateDir, 'hello.vue')
        })
      }
    }
  ] })

  await generator.generate()
  const content = fs.readFileSync('/hello.vue', 'utf-8')
  expect(content).toMatch(/import foo from 'foo'/)
  expect(content).toMatch(/<template>([\s\S]*)<\/template>/)
})

test('api: addEntryDuplicateInjection', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectRootOptions('main.js', 'baz')
        api.render({
          'main.js': path.join(templateDir, 'entry.js')
        })
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/{\s+p: p\(\),\s+baz,\s+render/)
})

test('api: addEntryDuplicateNonIdentifierInjection', async () => {
  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.injectRootOptions('main.js', 'p: p()')
        api.render({
          'main.js': path.join(templateDir, 'entry.js')
        })
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/{\s+p: p\(\),\s+baz,\s+render/)
})

test('api: addConfigTransform', async () => {
  const configs = {
    fooConfig: {
      bar: 42
    }
  }

  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.addConfigTransform('fooConfig', {
          file: {
            json: ['foo.config.json']
          }
        })
        api.extendPackage(configs)
      }
    }
  ] })

  await generator.generate({
    extractConfigFiles: true
  })

  const json = v => JSON.stringify(v, null, 2)
  expect(fs.readFileSync('/foo.config.json', 'utf-8')).toMatch(json(configs.fooConfig))
  expect(generator.pkg).not.toHaveProperty('fooConfig')
})

test('api: addConfigTransform (multiple)', async () => {
  const configs = {
    bazConfig: {
      field: 2501
    }
  }

  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.addConfigTransform('bazConfig', {
          file: {
            js: ['.bazrc.js'],
            json: ['.bazrc', 'baz.config.json']
          }
        })
        api.extendPackage(configs)
      }
    }
  ] })

  await generator.generate({
    extractConfigFiles: true
  })

  const js = v => `module.exports = ${stringifyJS(v, null, 2)}`
  expect(fs.readFileSync('/.bazrc.js', 'utf-8')).toMatch(js(configs.bazConfig))
  expect(generator.pkg).not.toHaveProperty('bazConfig')
})

test('api: addConfigTransform transform vue warn', async () => {
  const configs = {
    vue: {
      lintOnSave: 'default'
    }
  }

  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.addConfigTransform('vue', {
          file: {
            js: ['vue.config.js']
          }
        })
        api.extendPackage(configs)
      }
    }
  ] })

  await generator.generate({
    extractConfigFiles: true
  })

  expect(fs.readFileSync('/vue.config.js', 'utf-8')).toMatch(`module.exports = {\n  lintOnSave: 'default'\n}`)
  expect(logs.warn.some(([msg]) => {
    return msg.match(/Reserved config transform 'vue'/)
  })).toBe(true)
})

test('extract config files', async () => {
  const configs = {
    vue: {
      lintOnSave: false
    },
    babel: {
      presets: ['@vue/app']
    },
    postcss: {
      autoprefixer: {}
    },
    eslintConfig: {
      extends: ['plugin:vue/essential']
    },
    jest: {
      foo: 'bar'
    },
    browserslist: [
      '> 1%',
      'not <= IE8'
    ]
  }

  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.extendPackage(configs)
      }
    }
  ] })

  await generator.generate({
    extractConfigFiles: true
  })

  const js = v => `module.exports = ${stringifyJS(v, null, 2)}`
  expect(fs.readFileSync('/vue.config.js', 'utf-8')).toMatch(js(configs.vue))
  expect(fs.readFileSync('/babel.config.js', 'utf-8')).toMatch(js(configs.babel))
  expect(fs.readFileSync('/postcss.config.js', 'utf-8')).toMatch(js(configs.postcss))
  expect(fs.readFileSync('/.eslintrc.js', 'utf-8')).toMatch(js(configs.eslintConfig))
  expect(fs.readFileSync('/jest.config.js', 'utf-8')).toMatch(js(configs.jest))
  expect(fs.readFileSync('/.browserslistrc', 'utf-8')).toMatch('> 1%\nnot <= IE8')
})

test('generate a JS-Only value from a string', async () => {
  const jsAsString = 'true ? "alice" : "bob"'

  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.extendPackage({
          testScript: api.makeJSOnlyValue(jsAsString)
        })
      }
    }
  ] })

  await generator.generate({})

  expect(generator.pkg).toHaveProperty('testScript')
  expect(typeof generator.pkg.testScript).toBe('function')
})

test('run a codemod on the entry file', async () => {
  // A test codemod that tranforms `new Vue` to `new TestVue`
  const codemod = (fileInfo, api) => {
    const j = api.jscodeshift
    return j(fileInfo.source)
        .find(j.NewExpression, {
          callee: { name: 'Vue' },
          arguments: [{ type: 'ObjectExpression' }]
        })
        .replaceWith(({ node }) => {
          node.callee.name = 'TestVue'
          return node
        })
        .toSource()
  }

  const generator = new Generator('/', { plugins: [
    {
      id: 'test',
      apply: api => {
        api.render({
          'main.js': path.join(templateDir, 'entry.js')
        })

        api.transformScript('main.js', codemod)
      }
    }
  ] })

  await generator.generate()
  expect(fs.readFileSync('/main.js', 'utf-8')).toMatch(/new TestVue/)
})