#!/usr/bin/env groovy

def buildError

try {
    def registry = 'registry.verdnatura.es'
    env.COMPOSE_PROJECT_NAME = env.JOB_NAME.replace('/', '-');
    env.TAG = env.BRANCH_NAME

    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;
    }

    node {
        stage ('Checkout') {
            checkout scm
            env.GIT_COMMITTER_EMAIL = sh(
                script: "git --no-pager show -s --format='%ae'",
                returnStdout: true
            ).trim()
            echo "Committer: ${env.GIT_COMMITTER_EMAIL}"
        }
        stage ('Build') {
            nodejs('node-lts') {
                withEnv(['NODE_ENV=']) {
                    sh "npm install --no-audit"
                    sh "gulp install"
                }
                sh "gulp build"
            }

            withCredentials([usernamePassword(
                credentialsId: 'docker-registry',
                usernameVariable: 'USER',
                passwordVariable: 'PASSWORD')
            ]) {
                sh "docker login --username \$USER --password \$PASSWORD ${registry}"
            }

            sh "docker-compose build --parallel"
            sh "docker-compose push"
        }
        stage ('Deploy') {
            withEnv(['DOCKER_TLS_VERIFY=1']) {
                withCredentials([dockerCert(
                    credentialsId: 'docker',
                    variable: 'DOCKER_CERT_PATH')
                ]) {
                    parallel(
                        vch1: {
                            withEnv(['DOCKER_HOST=tcp://vch1.verdnatura.es:2376']) {
                                sh "docker-compose pull"
                                sh "docker-compose up -d"
                            }
                        },
                        vch2: {
                            withEnv(['DOCKER_HOST=tcp://vch2.verdnatura.es:2376']) {
                                sh "docker-compose pull"
                                sh "docker-compose up -d"
                            }
                        }
                    )
                }
            }
        }
        stage ('Cleanup') {
            sh "docker logout ${registry}"
        }
    }
} catch(e) {
    buildError = e
}

if (env.GIT_COMMITTER_EMAIL) {
    def status
    def body = "Check status at ${env.BUILD_URL}"

    if (buildError) {
        status = 'Failed'
        body += "\n\nError: ${buildError.toString()}"
    } else {
        status = 'Success'
    }

    mail(
        to: env.GIT_COMMITTER_EMAIL,
        subject: "Pipeline: ${status}: ${env.JOB_NAME} (${env.BUILD_NUMBER})",
        body: body
    )
}

if (buildError)
    throw buildError;