// =============================================================================
// TRADING PLATFORM - Jenkins Pipeline
// =============================================================================
// Repositorio: 72.60.226.4:3000/rckrdmrd/trading-platform.git
// Servidor: 72.60.226.4
// Dominios: trading.isem.dev / api.trading.isem.dev
// =============================================================================

pipeline {
    agent any

    environment {
        PROJECT_NAME = 'trading-platform'
        DOCKER_REGISTRY = '72.60.226.4:5000'
        DEPLOY_SERVER = '72.60.226.4'
        DEPLOY_USER = 'deploy'
        DEPLOY_PATH = '/opt/apps/trading-platform'

        // Puertos
        FRONTEND_PORT = '3080'
        BACKEND_PORT = '3081'

        // URLs
        FRONTEND_URL = 'https://trading.isem.dev'
        BACKEND_URL = 'https://api.trading.isem.dev'

        // Version
        VERSION = "${env.BUILD_NUMBER}"
        GIT_COMMIT_SHORT = sh(script: "git rev-parse --short HEAD", returnStdout: true).trim()
    }

    options {
        timeout(time: 45, unit: 'MINUTES')
        disableConcurrentBuilds()
        buildDiscarder(logRotator(numToKeepStr: '10'))
        timestamps()
    }

    stages {
        stage('Checkout') {
            steps {
                checkout scm
                script {
                    env.GIT_BRANCH = sh(script: 'git rev-parse --abbrev-ref HEAD', returnStdout: true).trim()
                    currentBuild.displayName = "#${BUILD_NUMBER} - ${GIT_COMMIT_SHORT}"
                }
            }
        }

        stage('Install Dependencies') {
            parallel {
                stage('Backend') {
                    steps {
                        dir('apps/backend') {
                            sh 'npm ci --prefer-offline'
                        }
                    }
                }
                stage('Frontend') {
                    steps {
                        dir('apps/frontend') {
                            sh 'npm ci --prefer-offline'
                        }
                    }
                }
            }
        }

        stage('Lint') {
            parallel {
                stage('Backend Lint') {
                    steps {
                        dir('apps/backend') {
                            sh 'npm run lint'
                        }
                    }
                }
                stage('Frontend Lint') {
                    steps {
                        dir('apps/frontend') {
                            sh 'npm run lint'
                        }
                    }
                }
            }
        }

        stage('Type Check') {
            parallel {
                stage('Backend Type Check') {
                    steps {
                        dir('apps/backend') {
                            sh 'npx tsc --noEmit'
                        }
                    }
                }
                stage('Frontend Type Check') {
                    steps {
                        dir('apps/frontend') {
                            sh 'npx tsc --noEmit'
                        }
                    }
                }
            }
        }

        stage('Test') {
            parallel {
                stage('Backend Test') {
                    steps {
                        dir('apps/backend') {
                            sh 'npm run test'
                        }
                    }
                }
                stage('Frontend Test') {
                    steps {
                        dir('apps/frontend') {
                            sh 'npm run test'
                        }
                    }
                }
            }
        }

        stage('Security Scan') {
            parallel {
                stage('Backend Security Scan') {
                    steps {
                        dir('apps/backend') {
                            sh 'npm audit --audit-level=high'
                        }
                    }
                }
                stage('Frontend Security Scan') {
                    steps {
                        dir('apps/frontend') {
                            sh 'npm audit --audit-level=high'
                        }
                    }
                }
            }
        }

        stage('Build') {
            parallel {
                stage('Build Backend') {
                    steps {
                        dir('apps/backend') {
                            sh 'npm run build'
                        }
                    }
                }
                stage('Build Frontend') {
                    steps {
                        dir('apps/frontend') {
                            sh 'npm run build'
                        }
                    }
                }
            }
        }

        stage('Docker Build & Push') {
            when {
                anyOf {
                    branch 'main'
                    branch 'develop'
                }
            }
            steps {
                script {
                    def services = ['backend', 'frontend']

                    services.each { service ->
                        dir("apps/${service}") {
                            def imageName = "${DOCKER_REGISTRY}/${PROJECT_NAME}-${service}"
                            sh """
                                docker build -t ${imageName}:${VERSION} .
                                docker tag ${imageName}:${VERSION} ${imageName}:latest
                                docker push ${imageName}:${VERSION}
                                docker push ${imageName}:latest
                            """
                        }
                    }
                }
            }
        }

        stage('Deploy to Staging') {
            when {
                branch 'develop'
            }
            steps {
                script {
                    deployToEnvironment('staging')
                }
            }
        }

        stage('Deploy to Production') {
            when {
                branch 'main'
            }
            steps {
                input message: '¿Desplegar a Producción?', ok: 'Desplegar'
                script {
                    deployToEnvironment('prod')
                }
            }
        }

        stage('Health Check') {
            when {
                anyOf {
                    branch 'main'
                    branch 'develop'
                }
            }
            steps {
                script {
                    echo "Performing health checks..."

                    // Backend health check
                    retry(5) {
                        sleep(time: 15, unit: 'SECONDS')
                        sh "curl -f ${BACKEND_URL}/health || exit 1"
                    }
                    echo "✓ Backend /health endpoint is healthy"

                    // Backend API readiness check
                    retry(3) {
                        sleep(time: 5, unit: 'SECONDS')
                        sh "curl -f ${BACKEND_URL}/api/status || exit 1"
                    }
                    echo "✓ Backend /api/status endpoint is healthy"

                    // Frontend health check
                    retry(3) {
                        sleep(time: 5, unit: 'SECONDS')
                        sh "curl -f -I ${FRONTEND_URL} | grep -q '200\\|301\\|302' || exit 1"
                    }
                    echo "✓ Frontend is accessible"

                    echo "All health checks passed successfully!"
                }
            }
        }
    }

    post {
        success {
            echo "✅ Trading Platform deployed successfully!"
        }
        failure {
            echo "❌ Trading Platform deployment failed!"
        }
        always {
            cleanWs()
        }
    }
}

def deployToEnvironment(String env) {
    sshagent(['deploy-ssh-key']) {
        sh """
            ssh -o StrictHostKeyChecking=no ${DEPLOY_USER}@${DEPLOY_SERVER} '
                cd ${DEPLOY_PATH}
                docker-compose -f docker/docker-compose.${env}.yml pull
                docker-compose -f docker/docker-compose.${env}.yml down --remove-orphans
                docker-compose -f docker/docker-compose.${env}.yml up -d
                docker system prune -f
            '
        """
    }
}