pipeline {
    agent any

    environment {
        FLUTTER_VERSION = '3.27.4'
        JAVA_VERSION = '17'
        ANDROID_BUILD_DIR = 'build'
    }

    options {
        buildDiscarder(logRotator(numToKeepStr: '10'))
        disableConcurrentBuilds()
        timeout(time: 1, unit: 'MINUTES')
        timestamps()
    }

    parameters {
        string(name: 'BUILD_TYPE', defaultValue: 'all', description: 'Build type: all, android, web')
        string(name: 'ANDROID_FLAVOR', defaultValue: 'release', description: 'Android build: debug, release')
        string(name: 'VERSION_NAME', defaultValue: '', description: 'Override version name (optional)')
        string(name: 'VERSION_CODE', defaultValue: '', description: 'Override version code (optional)')
        booleanParam(name: 'CLEAN_BUILD', defaultValue: true, description: 'Run flutter clean before build')
    }

    stages {
        stage('Preparation') {
            steps {
                script {
                    def buildType = params.BUILD_TYPE.toLowerCase()
                    if (buildType == 'all' || buildType == 'android') {
                        currentBuild.description = "Android ${params.ANDROID_FLAVOR}"
                    } else if (buildType == 'web') {
                        currentBuild.description = "Web"
                    } else {
                        error("Unknown BUILD_TYPE: ${buildType}. Use 'all', 'android', or 'web'")
                    }
                }
            }
        }

        stage('Environment Setup') {
            steps {
                script {
                    //env.PATH = "/opt/flutter/bin/"
                    sh '/opt/flutter/bin/flutter upgrade '
                }
            }
        }

        stage('Flutter Deps') {
            when {
                expression {
                    params.CLEAN_BUILD == true
                }
            }
            steps {
                sh 'flutter clean'
            }
        }

        stage('Install Dependencies') {
            steps {
                sh 'flutter pub get'
            }
        }

        stage('Analyze & Lint') {
            steps {
                sh 'flutter analyze --no-fatal-infos'
            }
        }

        stage('Tests') {
            steps {
                sh 'flutter test --concurrency=1'
            }
            post {
                always {
                    junit allowEmptyResults: true, testResults: '**/test-results/*.xml'
                }
            }
        }

        stage('Build Android') {
            when {
                expression {
                    def buildType = params.BUILD_TYPE.toLowerCase()
                    buildType == 'all' || buildType == 'android'
                }
            }
            stages {
                stage('Build APK Debug') {
                    when {
                        expression { params.ANDROID_FLAVOR.toLowerCase() == 'debug' }
                    }
                    steps {
                        script {
                            def buildName = "debug"
                            if (params.VERSION_NAME) buildName += "-${params.VERSION_NAME}"
                            if (params.VERSION_CODE) buildName += "-${params.VERSION_CODE}"
                            currentBuild.displayName = "#${currentBuild.number} - Android ${buildName}"

                            def extraArgs = ''
                            if (params.VERSION_NAME) extraArgs += " --build-name=${params.VERSION_NAME}"
                            if (params.VERSION_CODE) extraArgs += " --build-number=${params.VERSION_CODE}"

                            sh "flutter build apk --${buildName}${extraArgs}"
                        }
                    }
                    post {
                        success {
                            archiveArtifacts artifacts: "build/app/outputs/flutter-apk/app-${buildName}.apk", fingerprint: true
                            archiveArtifacts artifacts: "build/app/outputs/flutter-apk/*.apk", fingerprint: true
                        }
                    }
                }

                stage('Build APK Release') {
                    when {
                        expression { params.ANDROID_FLAVOR.toLowerCase() == 'release' }
                    }
                    steps {
                        script {
                            def buildName = "release"
                            if (params.VERSION_NAME) buildName += "-${params.VERSION_NAME}"
                            if (params.VERSION_CODE) buildName += "-${params.VERSION_CODE}"
                            currentBuild.displayName = "#${currentBuild.number} - Android ${buildName}"

                            def extraArgs = ''
                            if (params.VERSION_NAME) extraArgs += " --build-name=${params.VERSION_NAME}"
                            if (params.VERSION_CODE) extraArgs += " --build-number=${params.VERSION_CODE}"

                            sh "flutter build apk --release${extraArgs}"
                        }
                    }
                    post {
                        success {
                            archiveArtifacts artifacts: "build/app/outputs/flutter-apk/*.apk", fingerprint: true
                        }
                    }
                }

                stage('Build AAB Release') {
                    when {
                        expression { params.ANDROID_FLAVOR.toLowerCase() == 'release' }
                    }
                    steps {
                        script {
                            def extraArgs = ''
                            if (params.VERSION_NAME) extraArgs += " --build-name=${params.VERSION_NAME}"
                            if (params.VERSION_CODE) extraArgs += " --build-number=${params.VERSION_CODE}"

                            sh "flutter build appbundle --release${extraArgs}"
                        }
                    }
                    post {
                        success {
                            archiveArtifacts artifacts: "build/app/outputs/bundle/release/*.aab", fingerprint: true
                        }
                    }
                }
            }
        }

        stage('Build Web') {
            when {
                expression {
                    def buildType = params.BUILD_TYPE.toLowerCase()
                    buildType == 'all' || buildType == 'web'
                }
            }
            steps {
                script {
                    currentBuild.displayName = "#${currentBuild.number} - Web"

                    def extraArgs = ''
                    if (params.VERSION_NAME) extraArgs += " --build-name=${params.VERSION_NAME}"
                    if (params.VERSION_CODE) extraArgs += " --build-number=${params.VERSION_CODE}"

                    sh "flutter build web --release${extraArgs}"
                }
            }
            post {
                success {
                    archiveArtifacts artifacts: "build/web/**/*", fingerprint: true
                }
            }
        }
    }

    post {
        always {
            cleanWs()
        }
        success {
            echo 'Build completed successfully!'
        }
        failure {
            echo 'Build failed!'
        }
    }
}