#!/usr/bin/env groovy

def buildError

pipeline {
    environment {
        REGISTRY = 'registry.verdnatura.es'
        DOCKER_HOST_1 = 'tcp://vch1.verdnatura.es:2376'
        DOCKER_HOST_2 = 'tcp://vch1.verdnatura.es:2376'
        TAG = env.BRANCH_NAME
    }
    script {
        env.COMPOSE_PROJECT_NAME = env.JOB_NAME.replace('/', '-');

        switch (env.BRANCH_NAME) {
            case 'master':
                env.PORT = 5002
                break;
            case 'test': 
                env.PORT = 5001
                break;
        }
        switch (env.BRANCH_NAME) {
            case 'master':
                env.NODE_ENV = 'production'
                break;
            case 'test': 
                env.NODE_ENV = 'test'
                break;
            case 'dev':
                env.NODE_ENV = 'development'
                break;
        }
    }
    stages {
        stage ('Checkout') {
            checkout scm
            script {
                env.GIT_COMMITTER_EMAIL = sh(
                    script: "git --no-pager show -s --format='%ae'",
                    returnStdout: true
                ).trim()
            }
            echo "Committer: ${env.GIT_COMMITTER_EMAIL}"
        }
        stage ('Install') {
            environment {
                NODE_ENV = null
            }
            nodejs('node-lts') {
                sh "npm install --no-audit"
                sh "gulp install"
            }
        }
        stage ('Build') {
            environment {
                CREDS = credentials('docker-registry')
            }
            nodejs('node-lts') {
                sh "gulp build"
            }
            sh 'docker login --username $CREDS_USR --password $CREDS_PSW $REGISTRY'
            sh "docker-compose build --parallel"
            sh "docker-compose push"
        }
        stage ('Deploy') {
            environment {
                DOCKER_TLS_VERIFY = 1
            }
            parallel(
                vch1: {
                    environment {
                        DOCKER_HOST = env.DOCKER_HOST_1
                    }
                    sh "docker-compose pull"
                    sh "docker-compose up -d"
                },
                vch2: {
                    environment {
                        DOCKER_HOST = env.DOCKER_HOST_2
                    }
                    sh "docker-compose pull"
                    sh "docker-compose up -d"
                }
            )
        }
        stage ('Cleanup') {
            sh 'docker logout $REGISTRY'
        }
    }
    post {
        always {
            script {
                if (!env.GIT_COMMITTER_EMAIL)
                    return

                mail(
                    to: env.GIT_COMMITTER_EMAIL,
                    subject: "Pipeline: ${env.JOB_NAME} (${env.BUILD_NUMBER}): ${currentBuild.result}",
                    body: "Check status at ${env.BUILD_URL}"
                )
            }
        }
    }
}