import {expect, jest, test} from '@jest/globals'
import {Change, Changes, ConfigurationOptions, Scorecard} from '../src/schemas'
import * as summary from '../src/summary'
import * as core from '@actions/core'
import {createTestChange} from './fixtures/create-test-change'
import {createTestVulnerability} from './fixtures/create-test-vulnerability'

afterEach(() => {
  jest.clearAllMocks()
  core.summary.emptyBuffer()
})

const emptyChanges: Changes = []
const emptyInvalidLicenseChanges = {
  forbidden: [],
  unresolved: [],
  unlicensed: []
}
const emptyScorecard: Scorecard = {
  dependencies: []
}
const defaultConfig: ConfigurationOptions = {
  vulnerability_check: true,
  license_check: true,
  fail_on_severity: 'high',
  fail_on_scopes: ['runtime'],
  allow_ghsas: [],
  allow_licenses: [],
  deny_licenses: [],
  deny_packages: [],
  deny_groups: [],
  comment_summary_in_pr: true,
  retry_on_snapshot_warnings: false,
  retry_on_snapshot_warnings_timeout: 120,
  warn_only: false,
  warn_on_openssf_scorecard_level: 3,
  show_openssf_scorecard: false
}

const changesWithEmptyManifests: Changes = [
  {
    change_type: 'added',
    manifest: '',
    ecosystem: 'unknown',
    name: 'castore',
    version: '0.1.17',
    package_url: 'pkg:hex/castore@0.1.17',
    license: null,
    source_repository_url: null,
    scope: 'runtime',
    vulnerabilities: []
  },
  {
    change_type: 'added',
    manifest: '',
    ecosystem: 'unknown',
    name: 'connection',
    version: '1.1.0',
    package_url: 'pkg:hex/connection@1.1.0',
    license: null,
    source_repository_url: null,
    scope: 'runtime',
    vulnerabilities: []
  },
  {
    change_type: 'added',
    manifest: 'python/dist-info/METADATA',
    ecosystem: 'pip',
    name: 'pygments',
    version: '2.6.1',
    package_url: 'pkg:pypi/pygments@2.6.1',
    license: 'BSD-2-Clause',
    source_repository_url: 'https://github.com/pygments/pygments',
    scope: 'runtime',
    vulnerabilities: []
  }
]

const scorecard: Scorecard = {
  dependencies: [
    {
      change: {
        change_type: 'added',
        manifest: '',
        ecosystem: 'unknown',
        name: 'castore',
        version: '0.1.17',
        package_url: 'pkg:hex/castore@0.1.17',
        license: null,
        source_repository_url: null,
        scope: 'runtime',
        vulnerabilities: []
      },
      scorecard: null
    }
  ]
}

test('prints headline as h1', () => {
  summary.addSummaryToSummary(
    emptyChanges,
    emptyInvalidLicenseChanges,
    emptyChanges,
    scorecard,
    defaultConfig
  )
  const text = core.summary.stringify()

  expect(text).toContain('<h1>Dependency Review</h1>')
})

test('returns minimal summary formatted for posting as a PR comment', () => {
  const OLD_ENV = process.env

  let changes: Changes = [
    createTestChange({name: 'lodash', version: '1.2.3'}),
    createTestChange({name: 'colors', version: '2.3.4'}),
    createTestChange({name: '@foo/bar', version: '*'})
  ]

  process.env.GITHUB_SERVER_URL = 'https://github.com'
  process.env.GITHUB_REPOSITORY = 'owner/repo'
  process.env.GITHUB_RUN_ID = 'abc-123-xyz'

  let minSummary: string = summary.addSummaryToSummary(
    changes,
    emptyInvalidLicenseChanges,
    emptyChanges,
    scorecard,
    defaultConfig
  )

  process.env = OLD_ENV

  // note: no Actions context values in unit test env
  const expected = `
# Dependency Review
The following issues were found:
* ❌ 3 vulnerable package(s)
* ✅ 0 package(s) with incompatible licenses
* ✅ 0 package(s) with invalid SPDX license definitions
* ✅ 0 package(s) with unknown licenses.

[View full job summary](https://github.com/owner/repo/actions/runs/abc-123-xyz)
  `.trim()

  expect(minSummary).toEqual(expected)
})

test('only includes "No vulnerabilities or license issues found"-message if both are configured and nothing was found', () => {
  summary.addSummaryToSummary(
    emptyChanges,
    emptyInvalidLicenseChanges,
    emptyChanges,
    emptyScorecard,
    defaultConfig
  )
  const text = core.summary.stringify()

  expect(text).toContain('✅ No vulnerabilities or license issues found.')
})

test('only includes "No vulnerabilities found"-message if "license_check" is set to false and nothing was found', () => {
  const config = {...defaultConfig, license_check: false}
  summary.addSummaryToSummary(
    emptyChanges,
    emptyInvalidLicenseChanges,
    emptyChanges,
    emptyScorecard,
    config
  )
  const text = core.summary.stringify()

  expect(text).toContain('✅ No vulnerabilities found.')
})

test('only includes "No license issues found"-message if "vulnerability_check" is set to false and nothing was found', () => {
  const config = {...defaultConfig, vulnerability_check: false}
  summary.addSummaryToSummary(
    emptyChanges,
    emptyInvalidLicenseChanges,
    emptyChanges,
    emptyScorecard,
    config
  )
  const text = core.summary.stringify()

  expect(text).toContain('✅ No license issues found.')
})

test('groups dependencies with empty manifest paths together', () => {
  summary.addSummaryToSummary(
    changesWithEmptyManifests,
    emptyInvalidLicenseChanges,
    emptyChanges,
    emptyScorecard,
    defaultConfig
  )
  summary.addScannedFiles(changesWithEmptyManifests)
  const text = core.summary.stringify()
  expect(text).toContain('Unnamed Manifest')
  expect(text).toContain('python/dist-info/METADATA')
})

test('does not include status section if nothing was found', () => {
  summary.addSummaryToSummary(
    emptyChanges,
    emptyInvalidLicenseChanges,
    emptyChanges,
    emptyScorecard,
    defaultConfig
  )
  const text = core.summary.stringify()

  expect(text).not.toContain('The following issues were found:')
})

test('includes count and status icons for all findings', () => {
  const vulnerabilities = [
    createTestChange({name: 'lodash'}),
    createTestChange({name: 'underscore', package_url: 'test-url'})
  ]
  const licenseIssues = {
    forbidden: [createTestChange()],
    unresolved: [createTestChange(), createTestChange()],
    unlicensed: [createTestChange(), createTestChange(), createTestChange()]
  }

  summary.addSummaryToSummary(
    vulnerabilities,
    licenseIssues,
    emptyChanges,
    emptyScorecard,
    defaultConfig
  )

  const text = core.summary.stringify()
  expect(text).toContain('❌ 2 vulnerable package(s)')
  expect(text).toContain(
    '❌ 2 package(s) with invalid SPDX license definitions'
  )
  expect(text).toContain('❌ 1 package(s) with incompatible licenses')
  expect(text).toContain('⚠️ 3 package(s) with unknown licenses')
})

test('uses checkmarks for license issues if only vulnerabilities were found', () => {
  const vulnerabilities = [createTestChange()]

  summary.addSummaryToSummary(
    vulnerabilities,
    emptyInvalidLicenseChanges,
    emptyChanges,
    emptyScorecard,
    defaultConfig
  )

  const text = core.summary.stringify()
  expect(text).toContain('❌ 1 vulnerable package(s)')
  expect(text).toContain(
    '✅ 0 package(s) with invalid SPDX license definitions'
  )
  expect(text).toContain('✅ 0 package(s) with incompatible licenses')
  expect(text).toContain('✅ 0 package(s) with unknown licenses')
})

test('uses checkmarks for vulnerabilities if only license issues were found', () => {
  const licenseIssues = {
    forbidden: [createTestChange()],
    unresolved: [],
    unlicensed: []
  }

  summary.addSummaryToSummary(
    emptyChanges,
    licenseIssues,
    emptyChanges,
    emptyScorecard,
    defaultConfig
  )

  const text = core.summary.stringify()
  expect(text).toContain('✅ 0 vulnerable package(s)')
  expect(text).toContain(
    '✅ 0 package(s) with invalid SPDX license definitions'
  )
  expect(text).toContain('❌ 1 package(s) with incompatible licenses')
  expect(text).toContain('✅ 0 package(s) with unknown licenses')
})

test('addChangeVulnerabilitiesToSummary() - only includes section if any vulnerabilites found', () => {
  summary.addChangeVulnerabilitiesToSummary(emptyChanges, 'low')
  const text = core.summary.stringify()
  expect(text).toEqual('')
})

test('addChangeVulnerabilitiesToSummary() - includes all vulnerabilities', () => {
  const changes = [
    createTestChange({name: 'lodash'}),
    createTestChange({name: 'underscore', package_url: 'test-url'})
  ]

  summary.addChangeVulnerabilitiesToSummary(changes, 'low')

  const text = core.summary.stringify()
  expect(text).toContain('<h2>Vulnerabilities</h2>')
  expect(text).toContain('lodash')
  expect(text).toContain('underscore')
})

test('addChangeVulnerabilitiesToSummary() - includes advisory url if available', () => {
  const changes = [
    createTestChange({
      name: 'underscore',
      vulnerabilities: [
        createTestVulnerability({
          advisory_summary: 'test-summary',
          advisory_url: 'test-url'
        })
      ]
    })
  ]

  summary.addChangeVulnerabilitiesToSummary(changes, 'low')

  const text = core.summary.stringify()
  expect(text).toContain('lodash')
  expect(text).toContain('<a href="test-url">test-summary</a>')
})

test('addChangeVulnerabilitiesToSummary() - groups vulnerabilities of a single package', () => {
  const changes = [
    createTestChange({
      name: 'package-with-multiple-vulnerabilities',
      vulnerabilities: [
        createTestVulnerability({advisory_summary: 'test-summary-1'}),
        createTestVulnerability({advisory_summary: 'test-summary-2'})
      ]
    })
  ]

  summary.addChangeVulnerabilitiesToSummary(changes, 'low')

  const text = core.summary.stringify()
  expect(text.match('package-with-multiple-vulnerabilities')).toHaveLength(1)
  expect(text).toContain('test-summary-1')
  expect(text).toContain('test-summary-2')
})

test('addChangeVulnerabilitiesToSummary() - prints severity statement if above low', () => {
  const changes = [createTestChange()]

  summary.addChangeVulnerabilitiesToSummary(changes, 'medium')

  const text = core.summary.stringify()
  expect(text).toContain(
    'Only included vulnerabilities with severity <strong>medium</strong> or higher.'
  )
})

test('addChangeVulnerabilitiesToSummary() - does not print severity statment if it is set to "low"', () => {
  const changes = [createTestChange()]

  summary.addChangeVulnerabilitiesToSummary(changes, 'low')

  const text = core.summary.stringify()
  expect(text).not.toContain('Only included vulnerabilities')
})

test('addLicensesToSummary() - does not include entire section if no license issues found', () => {
  summary.addLicensesToSummary(emptyInvalidLicenseChanges, defaultConfig)
  const text = core.summary.stringify()
  expect(text).toEqual('')
})

test('addLicensesToSummary() - includes all license issues in table', () => {
  const licenseIssues = {
    forbidden: [createTestChange()],
    unresolved: [createTestChange(), createTestChange()],
    unlicensed: [createTestChange(), createTestChange(), createTestChange()]
  }

  summary.addLicensesToSummary(licenseIssues, defaultConfig)

  const text = core.summary.stringify()
  expect(text).toContain('<h2>License Issues</h2>')
  expect(text).toContain('<td>Incompatible License</td>')
  expect(text).toContain('<td>Invalid SPDX License</td>')
  expect(text).toContain('<td>Unknown License</td>')
})

test('addLicenseToSummary() - adds one table per manifest', () => {
  const licenseIssues = {
    forbidden: [
      createTestChange({manifest: 'package.json'}),
      createTestChange({manifest: '.github/workflows/test.yml'})
    ],
    unresolved: [],
    unlicensed: []
  }

  summary.addLicensesToSummary(licenseIssues, defaultConfig)

  const text = core.summary.stringify()

  expect(text).toContain('<h4><em>package.json</em></h4>')
  expect(text).toContain('<h4><em>.github/workflows/test.yml</em></h4>')
})

test('addLicensesToSummary() - does not include specific license type sub-section if nothing is found', () => {
  const licenseIssues = {
    forbidden: [],
    unlicensed: [],
    unresolved: [createTestChange()]
  }

  summary.addLicensesToSummary(licenseIssues, defaultConfig)

  const text = core.summary.stringify()
  expect(text).not.toContain('<td>Incompatible License</td>')
  expect(text).not.toContain('<td>Unknown License</td>')
  expect(text).toContain('<td>Invalid SPDX License</td>')
})

test('addLicensesToSummary() - includes list of configured allowed licenses', () => {
  const licenseIssues = {
    forbidden: [createTestChange()],
    unresolved: [],
    unlicensed: []
  }

  const config: ConfigurationOptions = {
    ...defaultConfig,
    allow_licenses: ['MIT', 'Apache-2.0']
  }

  summary.addLicensesToSummary(licenseIssues, config)

  const text = core.summary.stringify()
  expect(text).toContain('<strong>Allowed Licenses</strong>: MIT, Apache-2.0')
})

test('addLicensesToSummary() - includes configured denied license', () => {
  const licenseIssues = {
    forbidden: [createTestChange()],
    unresolved: [],
    unlicensed: []
  }

  const config: ConfigurationOptions = {
    ...defaultConfig,
    deny_licenses: ['MIT']
  }

  summary.addLicensesToSummary(licenseIssues, config)

  const text = core.summary.stringify()
  expect(text).toContain('<strong>Denied Licenses</strong>: MIT')
})