pipeline {
    agent any

    environment {
        BUILD_ENV = "pcb_rev_1-4_serial"
        PIO_HOME_DIR = "${WORKSPACE}/.pio"
        VENV_PATH = "${WORKSPACE}/Software/.venv"
    }

    parameters {
        choice(
            name: 'BUILD_ENV',
            choices: ['pcb_rev_1-2_serial', 'pcb_rev_1-3_serial', 'pcb_rev_1-4_serial'],
            description: 'Firmware-Umgebung auswählen'
        )
    }

    stages {

        stage('🧰 Setup PlatformIO') {
            steps {
                dir('Software') {
                    sh """
                        [ -d .venv ] || python3 -m venv .venv
                        ${env.VENV_PATH}/bin/pip install --upgrade pip platformio
                    """
                }
            }
        }

        stage('📄 Dummy WiFi-Creds') {
            steps {
                dir('Software') {
                    writeFile file: 'wifi_credentials.ini', text: '''
[wifi_cred]
wifi_ssid_client = DummySSID
wifi_password_client = DummyPass
admin_password = Admin123
wifi_ap_password = DummyAP
                    '''.stripIndent()
                }
            }
        }

        stage('🧪 Build Firmware') {
            steps {
                dir('Software') {
                    sh """
                        ${env.VENV_PATH}/bin/platformio run -e ${params.BUILD_ENV}
                    """
                }
            }
        }

        stage('📁 Build Filesystem (LittleFS)') {
            steps {
                dir('Software') {
                    sh """
                        ${env.VENV_PATH}/bin/platformio run -t buildfs -e ${params.BUILD_ENV}
                    """
                }
            }
        }

        stage('📦 Find & Archive Firmware') {
            steps {
                dir('Software') {
                    script {
                        echo "🔍 Suche nach Firmware (.fw.bin) und Filesystem (.fs.gz) Artefakten..."

                        def firmwareFiles = findFiles(glob: '.pio/build/**/*.fw.bin')
                        def fsFiles       = findFiles(glob: '.pio/build/**/*.fs.gz')

                        if (firmwareFiles.length == 0 && fsFiles.length == 0) {
                        echo "⚠️ Keine passenden Artefakte (.fw.bin / .fs.gz) gefunden – nichts zu archivieren."
                        } else {
                        firmwareFiles.each { echo "📦 Firmware: ${it.path}" }
                        fsFiles.each      { echo "📦 Filesystem: ${it.path}" }

                        def allArtifacts = (firmwareFiles + fsFiles).collect { it.path }
                        archiveArtifacts artifacts: allArtifacts.join(', ')
                        }
                    }
                }
            }
        }

        stage('🔌 Flash Hardware (Dummy)') {
            steps {
                echo "TODO: Flash-Script aufrufen, z. B.: python3 Hardware/flash.py /dev/ttyUSB0"
            }
        }

        stage('🧠 Run Tests (Dummy)') {
            steps {
                dir('Testing') {
                    echo "TODO: Testing mit z. B.: python3 test_runner.py oder pytest starten"
                }
            }
        }

        stage('🧹 Cleanup Build Output') {
            steps {
                dir('Software') {
                    sh "rm -rf .pio"
                }
            }
        }
    }

    post {
        success {
            echo "✅ CI abgeschlossen – Firmware gebaut, Dummy-Stages bereit"
        }
        failure {
            echo "❌ Fehler im Build – Logs checken, Commander Seraphon"
        }
    }
}