import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { dirname, join } from 'node:path'
import { runProcess } from '@orca/process-host'
import { runInNewContext } from 'node:vm'
import { expect, it, vi } from 'vitest'
import { parse } from 'yaml'

const release = parse(readFileSync('.github/workflows/release-cut.yml', 'utf8'))
const security = parse(readFileSync('.github/workflows/dependency-security.yml', 'utf8'))
const audit = release.jobs['dependency-security']
const publish = release.jobs['publish-release']

function evaluate(expression, tag, result) {
  const needs = Object.fromEntries(publish.needs.map((job) => [job, { result: 'success' }]))
  needs.cut.outputs = { tag, should_release: 'true' }
  needs['dependency-security'] = { result }
  return runInNewContext(expression.replace(/needs\.([\w-]+)/g, 'needs["$1"]'), {
    needs,
    cancelled: () => false,
    contains: (value, part) => value.includes(part)
  })
}

it('audits stable releases without making publication wait for the scan', () => {
  expect(publish.needs).not.toContain('dependency-security')
  for (const tag of ['v1.5.0', 'v2.0.1']) {
    expect(evaluate(audit.if, tag, 'success')).toBe(true)
    for (const result of ['success', 'failure', 'cancelled', 'skipped', '', undefined]) {
      expect(evaluate(publish.if, tag, result)).toBe(true)
    }
  }
  for (const tag of ['v1.5.0-rc.1', 'v1.5.0-rc.1.perf']) {
    expect(evaluate(audit.if, tag, 'skipped')).toBe(false)
    expect(evaluate(publish.if, tag, 'skipped')).toBe(true)
  }
})

it('scans the release tag with read-only workflow tooling instead of installing candidate code', () => {
  expect(audit.with.ref).toBe('refs/tags/${{ needs.cut.outputs.tag }}')
  expect(audit.uses).toBe('./.github/workflows/dependency-security.yml')
  expect(security.permissions).toEqual({ contents: 'read' })
  expect(security.on.schedule).toBeUndefined()
  for (const job of [security.jobs.javascript, security.jobs.rust]) {
    const checkouts = job.steps.filter((step) => step.uses === 'actions/checkout@v6')
    expect(checkouts).toHaveLength(1)
    expect(checkouts[0].with.ref).toBe('${{ github.workflow_sha }}')
    const preparation = job.steps.find(
      (step) => step.uses === './.github/actions/prepare-dependency-audit'
    )
    expect(preparation.with.ref).toBe('${{ inputs.ref }}')
    expect(preparation.if).toBe("inputs.ref != ''")
    for (const step of job.steps) {
      if (step.uses?.startsWith('./')) {
        expect(step['working-directory']).toBeUndefined()
        expect(step.with?.['working-directory']).toBeUndefined()
      }
    }
  }
})

it('keeps audit outcomes for notifications while allowing findings to pass CI', () => {
  expect(audit.secrets.SLACK_WEBHOOK_URL).toBe('${{ secrets.SLACK_WEBHOOK_URL }}')
  expect(security.on.workflow_call.secrets.SLACK_WEBHOOK_URL.required).toBe(false)
  const notify = security.jobs.notify
  expect(notify.needs).toEqual(['javascript', 'rust'])
  expect(notify.steps[0]['continue-on-error']).toBe(true)
  for (const name of ['javascript', 'rust']) {
    const job = security.jobs[name]
    expect(job.steps.find((step) => step.id === 'audit')['continue-on-error']).toBe(true)
    expect(job.outputs.audit_result).toBe('${{ steps.audit.outcome }}')
    for (const status of ['success', 'failure']) {
      for (const outcome of ['success', 'failure']) {
        for (const cancelled of [false, true]) {
          const needs = {
            javascript: { result: 'success', outputs: { audit_result: 'success' } },
            rust: { result: 'success', outputs: { audit_result: 'success' } }
          }
          needs[name] = { result: status, outputs: { audit_result: outcome } }
          expect(
            runInNewContext(notify.if, {
              needs,
              github: { repository: 'stablyai/orca' },
              cancelled: () => cancelled
            })
          ).toBe(!cancelled && (status === 'failure' || outcome === 'failure'))
        }
      }
    }
  }
})

async function sendNotification({
  webhook = 'https://example.test/slack',
  ref = '',
  pullRequest,
  fetch = vi.fn().mockResolvedValue({ ok: true })
} = {}) {
  const notice = vi.fn()
  await runInNewContext(`(async () => { ${security.jobs.notify.steps[0].with.script} })()`, {
    process: {
      env: {
        SLACK_WEBHOOK_URL: webhook,
        RELEASE_REF: ref,
        GITHUB_SERVER_URL: 'https://github.com',
        GITHUB_REPOSITORY: 'stablyai/orca',
        GITHUB_RUN_ID: '123',
        AUDIT_RESULTS: JSON.stringify({
          javascript: { result: 'success', outputs: { audit_result: 'failure' } },
          rust: { result: 'success', outputs: { audit_result: 'success' } }
        })
      }
    },
    context: { payload: { pull_request: pullRequest }, ref: 'refs/heads/main' },
    core: { notice },
    fetch,
    AbortSignal
  })
  return { fetch, notice }
}

it.each([
  { pullRequest: { number: 1234 }, target: 'PR #1234' },
  { ref: 'refs/tags/v1.5.0', target: 'refs/tags/v1.5.0' }
])('sends a dependency review with the target and report link: $target', async (options) => {
  const { fetch } = await sendNotification(options)
  const [url, request] = fetch.mock.calls[0]
  expect(url).toBe('https://example.test/slack')
  expect(request.method).toBe('POST')
  const payload = JSON.parse(request.body)
  expect(payload.text).toContain(`Orca dependency review for ${options.target}`)
  expect(payload.text).toContain('JavaScript: review suggested · Rust: passed')
  expect(payload.text).toContain('https://github.com/stablyai/orca/actions/runs/123')
  expect(payload.mrkdwn).toBe(false)
})

it('retains fork reports without requiring a Slack secret and redacts delivery errors', async () => {
  const { fetch, notice } = await sendNotification({ webhook: '' })
  expect(fetch).not.toHaveBeenCalled()
  expect(notice).toHaveBeenCalledOnce()
  await expect(
    sendNotification({
      fetch: vi.fn().mockRejectedValue(new Error('fetch failed: https://example.test/slack'))
    })
  ).rejects.toThrow(/^Slack dependency review notification could not be sent$/)
  await expect(
    sendNotification({
      fetch: vi.fn().mockResolvedValue({ ok: false, status: 503 })
    })
  ).rejects.toThrow(/^Slack dependency review notification returned HTTP 503$/)
})

it('extracts release data while excluding executable package and Cargo configuration', async () => {
  const root = mkdtempSync(join(tmpdir(), 'release audit data '))
  const source = join(root, 'source')
  const tooling = join(root, 'tooling')
  mkdirSync(source)
  mkdirSync(tooling)
  const data = [
    'pnpm-lock.yaml',
    'pnpm-workspace.yaml',
    'mobile/pnpm-lock.yaml',
    'mobile/pnpm-workspace.yaml',
    'native/example/Cargo.toml',
    'native/example/Cargo.lock',
    'config/patches/example.patch',
    'mobile/patches/example.patch'
  ]
  const configuration = [
    'package.json',
    'mobile/package.json',
    '.gitattributes',
    '.npmrc',
    '.pnpmfile.cjs',
    'config/pnpmfile.cjs',
    'mobile/.npmrc',
    'mobile/.pnpmfile.cjs',
    '.cargo/config.toml',
    'native/.cargo/config.toml',
    'native/example/.cargo/config.toml',
    'native/example/rust-toolchain.toml',
    'native/example/build.rs'
  ]
  async function run(program, args, cwd, env = process.env) {
    const result = await runProcess({ program, args, cwd, env })
    expect(result.code, result.stderr).toBe(0)
  }
  try {
    for (const file of [...data, ...configuration]) {
      mkdirSync(dirname(join(source, file)), { recursive: true })
      writeFileSync(
        join(source, file),
        file === '.gitattributes'
          ? '*.yaml export-ignore\n*.patch export-subst\n'
          : `${file} contents`
      )
    }
    await run('git', ['init', '--quiet'], source)
    await run('git', ['add', '.'], source)
    await run(
      'git',
      [
        '-c',
        'user.name=Test',
        '-c',
        'user.email=test@example.com',
        'commit',
        '--quiet',
        '-m',
        'fixture'
      ],
      source
    )
    await run('git', ['init', '--quiet'], tooling)
    await run('git', ['remote', 'add', 'origin', source], tooling)
    const action = parse(
      readFileSync('.github/actions/prepare-dependency-audit/action.yml', 'utf8')
    )
    await run('bash', ['-c', action.runs.steps[0].run], tooling, {
      ...process.env,
      RELEASE_REF: 'HEAD'
    })
    for (const file of data) {
      expect(readFileSync(join(tooling, 'candidate', file), 'utf8')).toBe(`${file} contents`)
    }
    for (const file of configuration) {
      expect(existsSync(join(tooling, 'candidate', file)), file).toBe(false)
    }
    rmSync(join(tooling, 'candidate'), { recursive: true })
    await run('git', ['rm', '--quiet', 'pnpm-workspace.yaml'], source)
    await run(
      'git',
      [
        '-c',
        'user.name=Test',
        '-c',
        'user.email=test@example.com',
        'commit',
        '--quiet',
        '-m',
        'missing workspace'
      ],
      source
    )
    const missing = await runProcess({
      program: 'bash',
      args: ['-c', action.runs.steps[0].run],
      cwd: tooling,
      env: { ...process.env, RELEASE_REF: 'HEAD' }
    })
    expect(missing.code).not.toBe(0)
  } finally {
    rmSync(root, { recursive: true, force: true })
  }
})