properties([
    buildDiscarder(logRotator(numToKeepStr: '20'))
])

def ensureBunInstalled() {
    if (isUnix()) {
        sh '''
            set -euo pipefail
            export BUN_INSTALL="${HOME}/.bun"
            export PATH="${BUN_INSTALL}/bin:${PATH}"
            if ! command -v bun >/dev/null 2>&1; then
                curl -fsSL https://bun.sh/install | bash
            fi
            bun -v
        '''
        env.PATH = "${env.HOME}/.bun/bin:${env.PATH}"
    } else {
        bat '''
            where bun >nul 2>nul || powershell -c "irm bun.sh/install.ps1 | iex"
            set PATH=%USERPROFILE%\.bun\bin;%PATH%
            bun -v
        '''
        env.PATH = "${env.USERPROFILE}\\.bun\\bin;${env.PATH}"
    }
}

def writeBuildMetadata() {
    if (isUnix()) {
        sh '''
            bun --eval "await Bun.write('src/buildInfo.json', JSON.stringify({ buildNumber: process.env.BUILD_NUMBER || 'dev' }, null, 2) + '\\n')"
        '''
    } else {
        bat '''
            bun --eval "await Bun.write('src/buildInfo.json', JSON.stringify({ buildNumber: process.env.BUILD_NUMBER || 'dev' }, null, 2) + '\\n')"
        '''
    }
}

def buildLinux() {
    node('ubuntu') {
        try {
            stage('Checkout (Ubuntu)') {
                checkout scm
            }

            stage('Setup Bun (Ubuntu)') {
                ensureBunInstalled()
            }

            stage('Install Dependencies (Ubuntu)') {
                sh 'bun install --frozen-lockfile'
            }

            stage('Write Build Metadata (Ubuntu)') {
                writeBuildMetadata()
            }

            stage('Build (Ubuntu)') {
                sh "VITE_BUILD_NUMBER=${env.BUILD_NUMBER} NODE_ENV=production bun run build:linux"
            }

            stage('Archive Artifacts (Ubuntu)') {
                archiveArtifacts artifacts: 'app_dist/**/*.deb, app_dist/**/*.rpm', fingerprint: true
            }
        } finally {
            cleanWs()
        }
    }
}

def buildOnLabel(label, buildCommand) {
    return {
        node(label) {
            stage("Checkout (${label})") {
                checkout scm
            }

            stage("Setup Bun (${label})") {
                ensureBunInstalled()
            }

            stage("Install Dependencies (${label})") {
                if (isUnix()) {
                    sh 'bun install --frozen-lockfile'
                } else {
                    bat 'bun install --frozen-lockfile'
                }
            }

            stage("Write Build Metadata (${label})") {
                writeBuildMetadata()
            }

            stage("Build (${label})") {
                if (isUnix()) {
                    sh "VITE_BUILD_NUMBER=${env.BUILD_NUMBER} NODE_ENV=production ${buildCommand}"
                } else {
                    bat "set VITE_BUILD_NUMBER=${env.BUILD_NUMBER} && set NODE_ENV=production && ${buildCommand}"
                }
            }

            stage("Archive Artifacts (${label})") {
                archiveArtifacts artifacts: 'app_dist/**/farmcontrol-server-*', fingerprint: true
            }
        }
    }
}

def setBuildNameFromPackageVersion() {
    node('ubuntu') {
        stage('Set Build Name') {
            checkout scm
            ensureBunInstalled()
            def version = sh(
                script: "bun --eval \"console.log(JSON.parse(await Bun.file('package.json').text()).version)\"",
                returnStdout: true
            ).trim()
            def buildName = "v${version}-b${env.BUILD_NUMBER}"
            currentBuild.displayName = buildName
            echo "Build name set to: ${buildName}"
        }
    }
}

try {
    setBuildNameFromPackageVersion()

    parallel(
        'Windows Build': buildOnLabel('windows', 'bun run build:app'),
        'MacOS Build': buildOnLabel('macos', 'bun run build:app:mac'),
        'Ubuntu Build': { buildLinux() }
    )

    echo 'All parallel stages completed successfully!'

} catch (Exception e) {
    echo "Pipeline failed: ${e.message}"
    throw e
}