import { readFile } from 'node:fs/promises'
import path from 'node:path'
import { fileURLToPath } from 'node:url'
import { describe, expect, it } from 'vitest'
import { DEFAULT_PORT } from '../server/index.mjs'

const projectRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..')

async function readProjectFile(relativePath) {
  return readFile(path.join(projectRoot, relativePath), 'utf8')
}

describe('deployment configuration', () => {
  it('keeps the default production port synchronized', async () => {
    const [dockerfile, compose, environment, script, readme] = await Promise.all([
      readProjectFile('Dockerfile'),
      readProjectFile('docker-compose.yml'),
      readProjectFile('.env.example'),
      readProjectFile('web-tools.ps1'),
      readProjectFile('README.zh-CN.md'),
    ])

    expect(DEFAULT_PORT).toBe(9000)
    expect(dockerfile).toContain('PORT=9000')
    expect(dockerfile).toContain('EXPOSE 9000')
    expect(dockerfile).toContain('http://127.0.0.1:9000/healthz')
    expect(compose).toContain('${WEB_TOOLS_PORT:-9000}:9000')
    expect(environment.trim()).toBe('WEB_TOOLS_PORT=9000')
    expect(script).toMatch(/\[int\]\$Port = 9000/)
    expect(readme).toContain('默认访问地址：`http://服务器地址:9000`')
    expect(readme).toContain('生产服务默认监听 `0.0.0.0:9000`')
  })

  it('preserves the Windows and container production safeguards', async () => {
    const [dockerfile, compose, dockerignore, script] = await Promise.all([
      readProjectFile('Dockerfile'),
      readProjectFile('docker-compose.yml'),
      readProjectFile('.dockerignore'),
      readProjectFile('web-tools.ps1'),
    ])

    expect(dockerfile).toContain('USER node')
    expect(compose).toContain('read_only: true')
    expect(compose).toContain('no-new-privileges:true')
    expect(compose).toContain('cap_drop:')
    expect(dockerignore).toContain('node_modules')
    expect(dockerignore).toContain('data')
    expect(script).toContain('#Requires -Version 5.1')
    expect(script).toContain("@('pull', '--ff-only', $Remote, $Branch)")
    expect(script).toContain("@('ci', '--include=dev')")
  })

  it('provides standard entry points for a new AI session', async () => {
    const [entryReadme, agentGuide, completeReadme] = await Promise.all([
      readProjectFile('README.md'),
      readProjectFile('AGENTS.md'),
      readProjectFile('README.zh-CN.md'),
    ])

    expect(entryReadme).toContain('[README.zh-CN.md](README.zh-CN.md)')
    expect(entryReadme).toContain('[AGENTS.md](AGENTS.md)')
    expect(agentGuide).toContain('## First actions in a new session')
    expect(agentGuide).toContain('git status --short --branch')
    expect(completeReadme).toContain('## AI 接手清单')
  })
})