import { chmod, cp, mkdir, rm, writeFile } from 'node:fs/promises'
import { arch, platform } from 'node:os'
import { join, resolve } from 'node:path'
import { spawnSync } from 'node:child_process'

const root = resolve(import.meta.dirname, '..')
const native = join(root, 'connector', 'native')
const releaseRoot = join(root, 'release', 'connector')
const commonSources = [
  'json.cpp', 'encoding.cpp', 'zip.cpp', 'config.cpp', 'platform_common.cpp',
  'process_posix.cpp', 'process_windows.cpp', 'workspace.cpp', 'http_server.cpp',
  'connector_service.cpp',
].map((name) => join(native, name))

function run(command, args) {
  const result = spawnSync(command, args, { cwd: root, stdio: 'inherit', shell: false })
  if (result.error) throw result.error
  if (result.status !== 0) throw new Error(`${command} 构建失败（退出码 ${result.status}）`)
}

async function buildMac() {
  const packageDir = join(releaseRoot, `macos-${arch()}`)
  const app = join(packageDir, 'Spine粒子连接器.app')
  const executable = join(app, 'Contents', 'MacOS', 'SpineParticleConnector')
  await rm(packageDir, { recursive: true, force: true })
  await mkdir(join(app, 'Contents', 'MacOS'), { recursive: true })
  await mkdir(join(app, 'Contents', 'Resources'), { recursive: true })
  run(process.env.CXX || 'clang++', [
    '-std=c++17', '-O2', '-Wall', '-Wextra', '-Werror', '-fobjc-arc',
    ...commonSources, join(native, 'app_macos.mm'),
    '-framework', 'AppKit', '-framework', 'Foundation', '-o', executable,
  ])
  await chmod(executable, 0o755)
  await writeFile(join(app, 'Contents', 'Info.plist'), `<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0"><dict>
<key>CFBundleDisplayName</key><string>Spine粒子连接器</string>
<key>CFBundleExecutable</key><string>SpineParticleConnector</string>
<key>CFBundleIdentifier</key><string>com.spineparticle.connector</string>
<key>CFBundleInfoDictionaryVersion</key><string>6.0</string>
<key>CFBundleName</key><string>Spine粒子连接器</string>
<key>CFBundlePackageType</key><string>APPL</string>
<key>CFBundleShortVersionString</key><string>2.0.0</string>
<key>CFBundleVersion</key><string>2.0.0</string>
<key>LSMinimumSystemVersion</key><string>11.0</string>
<key>NSHighResolutionCapable</key><true/>
</dict></plist>
`, 'utf8')
  await cp(join(root, 'connector', 'DISTRIBUTION.md'), join(packageDir, '使用说明.md'))
  console.log(`已生成 macOS 应用：${app}`)
}

async function buildWindows() {
  const packageDir = join(releaseRoot, `windows-${arch()}`)
  const executable = join(packageDir, 'Spine粒子连接器.exe')
  await rm(packageDir, { recursive: true, force: true })
  await mkdir(packageDir, { recursive: true })
  const compiler = process.env.CXX || 'cl.exe'
  if (/cl(?:\.exe)?$/i.test(compiler)) {
    run(compiler, ['/nologo', '/std:c++17', '/O2', '/EHsc', '/utf-8', '/W4', ...commonSources, join(native, 'app_windows.cpp'),
      '/link', '/SUBSYSTEM:WINDOWS', `'/OUT:${executable}'`.replaceAll("'", ''), 'ws2_32.lib', 'comdlg32.lib', 'user32.lib', 'gdi32.lib'])
  } else {
    run(compiler, ['-std=c++17', '-O2', '-Wall', '-Wextra', '-Werror', ...commonSources, join(native, 'app_windows.cpp'),
      '-municode', '-mwindows', '-lws2_32', '-lcomdlg32', '-o', executable])
  }
  await cp(join(root, 'connector', 'DISTRIBUTION.md'), join(packageDir, '使用说明.md'))
  console.log(`已生成 Windows 应用：${executable}`)
}

if (platform() === 'darwin') await buildMac()
else if (platform() === 'win32') await buildWindows()
else throw new Error('桌面连接器 App 当前支持 macOS 和 Windows')