import { exec } from 'child_process'
import { promisify } from 'util'
import * as fs from 'fs'
import * as path from 'path'

const execAsync = promisify(exec)

describe('SSH/Gitea Integration', () => {
  const SSH_DIR = '/root/.ssh'
  const SSH_KEY = path.join(SSH_DIR, 'id_ed25519')
  const KNOWN_HOSTS = path.join(SSH_DIR, 'known_hosts')

  describe('SSH Key Setup', () => {
    test('SSH directory exists', () => {
      expect(fs.existsSync(SSH_DIR)).toBe(true)
    })

    test('SSH directory has correct permissions (0700)', () => {
      const stats = fs.statSync(SSH_DIR)
      const mode = stats.mode & 0o777
      expect(mode).toBe(0o700)
    })

    test('SSH key file exists', () => {
      expect(fs.existsSync(SSH_KEY)).toBe(true)
    })

    test('SSH key has correct permissions (0600)', () => {
      const stats = fs.statSync(SSH_KEY)
      const mode = stats.mode & 0o777
      expect(mode).toBe(0o600)
    })
  })

  describe('Gitea Server', () => {
    test('known_hosts file exists', () => {
      expect(fs.existsSync(KNOWN_HOSTS)).toBe(true)
    })

    test('known_hosts contains git.processhub.work', () => {
      const content = fs.readFileSync(KNOWN_HOSTS, 'utf8')
      expect(content).toContain('git.processhub.work')
    })
  })

  describe('Git Configuration', () => {
    test('git user.email is configured', async () => {
      const { stdout } = await execAsync('git config --global user.email')
      expect(stdout.trim()).toBe('gabriel.pereira@protonmail.com')
    })

    test('git user.name is configured', async () => {
      const { stdout } = await execAsync('git config --global user.name')
      expect(stdout.trim()).toBe('gabspereira')
    })
  })

  describe('Gitea SSH Connection', () => {
    test('SSH connection to Gitea succeeds', async () => {
      try {
        const { stdout, stderr } = await execAsync(
          'ssh -T -o ConnectTimeout=10 git@git.processhub.work',
          { timeout: 15000 }
        )
        const output = stdout + stderr
        expect(output).toContain('successfully authenticated')
      } catch (error: any) {
        const output = error.stdout + error.stderr
        expect(output).toContain('gabspereira')
        expect(output).toContain('successfully authenticated')
      }
    }, 20000)
  })

  describe('Git Remote Access', () => {
    test('Can access Gitea repository', async () => {
      const { stdout, stderr } = await execAsync(
        'git ls-remote git@git.processhub.work:gabspereira/workspace.git HEAD',
        { timeout: 15000 }
      )
      expect(stdout).toMatch(/[a-f0-9]+\s+HEAD/)
    }, 20000)
  })
})