pipeline {
    agent any
    
    tools {
        // Gradle은 프로젝트에 포함된 gradlew 사용
    }
    
    environment {
        PROJECT_NAME = 'springboot-api'
        GRADLE_OPTS = '-Dorg.gradle.daemon=false'
        JAVA_HOME = '/usr/lib/jvm/java-17-openjdk-amd64'
    }
    
    stages {
        stage('Checkout') {
            steps {
                echo '==== Checking out code from Gitea ===='
                checkout scm
                sh 'ls -lah'
            }
        }
        
        stage('Gradle Wrapper Permissions') {
            steps {
                echo '==== Setting Gradle wrapper permissions ===='
                dir('springboot-api') {
                    sh 'chmod +x gradlew'
                }
            }
        }
        
        stage('Build Info') {
            steps {
                echo '==== Environment Information ===='
                dir('springboot-api') {
                    sh '''
                        java -version
                        ./gradlew --version
                    '''
                }
            }
        }
        
        stage('Clean') {
            steps {
                echo '==== Cleaning previous builds ===='
                dir('springboot-api') {
                    sh './gradlew clean'
                }
            }
        }
        
        stage('Compile') {
            steps {
                echo '==== Compiling source code ===='
                dir('springboot-api') {
                    sh './gradlew compileJava'
                }
            }
        }
        
        stage('Test') {
            steps {
                echo '==== Running unit tests ===='
                dir('springboot-api') {
                    sh './gradlew test --no-daemon || true'
                }
            }
            post {
                always {
                    // 테스트 결과 보고서 저장
                    junit '**/build/test-results/test/*.xml'
                }
            }
        }
        
        stage('Build') {
            steps {
                echo '==== Building Spring Boot application ===='
                dir('springboot-api') {
                    sh './gradlew build -x test --no-daemon'
                }
            }
        }
        
        stage('Archive Artifacts') {
            steps {
                echo '==== Archiving JAR file ===='
                dir('springboot-api') {
                    archiveArtifacts artifacts: 'build/libs/*.jar', fingerprint: true
                    sh 'ls -lh build/libs/'
                }
            }
        }
        
        stage('Docker Build') {
            when {
                branch 'master'  // master 브랜치에서만 Docker 이미지 빌드
            }
            steps {
                echo '==== Building Docker image ===='
                dir('springboot-api') {
                    script {
                        def jarFile = sh(
                            script: 'ls build/libs/*.jar | head -1',
                            returnStdout: true
                        ).trim()
                        echo "JAR file: ${jarFile}"
                        
                        // Docker 이미지 빌드 (선택사항)
                        // sh "docker build -t springboot-api:${BUILD_NUMBER} ."
                    }
                }
            }
        }
        
        stage('Deploy Info') {
            steps {
                echo '==== Build completed successfully ===='
                echo "Project: ${PROJECT_NAME}"
                echo "Build Number: ${BUILD_NUMBER}"
                echo "JAR file is ready for deployment"
            }
        }
    }
    
    post {
        success {
            echo '✅ Pipeline completed successfully!'
            // 추가: 슬랙 알림, 이메일 등
        }
        failure {
            echo '❌ Pipeline failed!'
            // 추가: 실패 알림
        }
        always {
            echo '==== Cleaning up workspace ===='
            cleanWs()
        }
    }
}