const assert = require('node:assert/strict')
const fs = require('node:fs')
const os = require('node:os')
const path = require('node:path')
const test = require('node:test')

const { withXuqmConfig } = require('../metro')

const CONFIG_VECTOR =
  'XUQM-CONFIG-V2.xuqm-config-dev-2026-07.AAECAwQFBgcICQoLDA0ODw.EBESExQVFhcYGRob.MYRqE2BtQG0PvSnG3TLrr4PXd10C1cHhNA2iJLfy60XmQ5ixQBTCpn4e2g2YN0QQbZY0LVnou1rGONIzMrT7VidOMi_lHSfUf2BXnqlCIRm4yKcYCvALvrIF-Llv2xQWla0BTpKNq2Yuejpsw0oGTZGjNkvmlbBu8JJHAckHi-wP1sAgZuKVjjtJnjc7venWzaa75KwsqOYiNOkhIjWqTLNMG1siCMbX96d2A15KJYRUpwd-rBSpgjmOFLdH6DDaj2ZqCqQg6NRJprjsEorrCAnDjRjwoMKqHiIwHErfihw3v0AO19MJUzCeYzCzU2WfFw.Z-NMbyec47P4K_lfx3l7s3jZJVpd7ru8ySj2eBvXfteU4tVBoJ_3N7IRPMeiv1lUxMchsvNg8okxYpcBs4_2CQ'

test('withXuqmConfig schedules automatic initialization before the app entry', () => {
  const projectRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'xuqm-metro-'))
  const configDir = path.join(projectRoot, 'src/assets/config')
  const existingPrelude = path.join(projectRoot, 'existing-prelude.js')

  try {
    fs.mkdirSync(configDir, { recursive: true })
    fs.writeFileSync(path.join(configDir, 'app.xuqmconfig'), CONFIG_VECTOR, 'utf8')

    const config = withXuqmConfig({
      projectRoot,
      resolver: {},
      serializer: {
        getModulesRunBeforeMainModule: () => [existingPrelude],
      },
    })

    const preludeModules = config.serializer.getModulesRunBeforeMainModule('index.js')
    assert.equal(preludeModules[0], existingPrelude)
    assert.match(preludeModules[1], /packages[\\/]common[\\/]src[\\/]internal\.ts$/)

    const virtualModule = config.resolver.resolveRequest(
      { resolveRequest: () => assert.fail('fallback resolver should not run') },
      '@xuqm/rn-common/auto-init-config',
      'android',
    )
    assert.equal(virtualModule.type, 'sourceFile')
    const generatedSource = fs.readFileSync(virtualModule.filePath, 'utf8')
    assert.match(generatedSource, /RESOLVED_CONFIG/)
    assert.match(generatedSource, /"appKey":"test-app"/)
    assert.equal(generatedSource.includes('XUQM-CONFIG-V2'), false)
  } finally {
    fs.rmSync(projectRoot, { recursive: true, force: true })
  }
})

test('withXuqmConfig rejects legacy V1 files with a migration instruction', () => {
  const projectRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'xuqm-metro-'))
  const configDir = path.join(projectRoot, 'src/assets/config')
  try {
    fs.mkdirSync(configDir, { recursive: true })
    fs.writeFileSync(
      path.join(configDir, 'config.xuqmconfig'),
      'XUQM-CONFIG-V1.invalid.invalid.invalid',
      'utf8',
    )
    assert.throws(
      () => withXuqmConfig({ projectRoot }),
      /仅支持 XUQM-CONFIG-V2；请从租户平台重新下载配置文件/,
    )
  } finally {
    fs.rmSync(projectRoot, { recursive: true, force: true })
  }
})

test('withXuqmConfig rejects a modified V2 signature before decrypting content', () => {
  const projectRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'xuqm-metro-'))
  const configDir = path.join(projectRoot, 'src/assets/config')
  try {
    fs.mkdirSync(configDir, { recursive: true })
    const parts = CONFIG_VECTOR.split('.')
    parts[5] = `${parts[5][0] === 'A' ? 'B' : 'A'}${parts[5].slice(1)}`
    const tampered = parts.join('.')
    fs.writeFileSync(path.join(configDir, 'config.xuqmconfig'), tampered, 'utf8')
    assert.throws(() => withXuqmConfig({ projectRoot }), /配置文件签名验证失败/)
    assert.equal(
      fs.existsSync(path.join(projectRoot, 'android/app/src/main/assets/config/config.xuqmconfig')),
      false,
    )
  } finally {
    fs.rmSync(projectRoot, { recursive: true, force: true })
  }
})

test('withXuqmConfig leaves common-only hosts unchanged without a config file', () => {
  const projectRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'xuqm-metro-'))
  const original = {
    projectRoot,
    serializer: {
      getModulesRunBeforeMainModule: () => ['existing-prelude.js'],
    },
  }

  try {
    assert.equal(withXuqmConfig(original), original)
  } finally {
    fs.rmSync(projectRoot, { recursive: true, force: true })
  }
})

test('withXuqmConfig rejects ambiguous config directories instead of choosing a file', () => {
  const projectRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'xuqm-metro-'))
  const configDir = path.join(projectRoot, 'src/assets/config')
  try {
    fs.mkdirSync(configDir, { recursive: true })
    fs.writeFileSync(path.join(configDir, 'app.xuqmconfig'), CONFIG_VECTOR, 'utf8')
    fs.writeFileSync(path.join(configDir, 'tenant.xuqmconfig'), CONFIG_VECTOR, 'utf8')
    assert.throws(
      () => withXuqmConfig({ projectRoot }),
      /只能存在一个 \.xuqmconfig 文件，当前发现 2 个/,
    )
  } finally {
    fs.rmSync(projectRoot, { recursive: true, force: true })
  }
})