#!/usr/bin/env groovy

def PROTECTED_BRANCH
def FROM_GIT
def RUN_TESTS

pre: {
    switch (env.BRANCH_NAME) {
        case 'test':
            env.NODE_ENV = 'test'
            env.BACK_REPLICAS = 2
            break
        case 'master':
            env.NODE_ENV = 'production'
            env.BACK_REPLICAS = 4
            break
        default:
            env.NODE_ENV = 'dev'
            env.BACK_REPLICAS = 1
    }

    PROTECTED_BRANCH = [
        'dev',
        'test',
        'master'
    ].contains(env.BRANCH_NAME)

    FROM_GIT = env.JOB_NAME.startsWith('gitea/')
    RUN_TESTS = !PROTECTED_BRANCH && FROM_GIT

    // Uncomment to enable debugging
    // https://loopback.io/doc/en/lb3/Setting-debug-strings.html#debug-strings-reference
    //env.DEBUG = 'strong-remoting:shared-method'
}
pipeline {
    agent any
    options {
        disableConcurrentBuilds()
    }
    tools {
        nodejs 'node-v20'
    }
    environment {
        PROJECT_NAME = 'salix'
        STACK_NAME = "${env.PROJECT_NAME}-${env.BRANCH_NAME}"
    }
    stages {
        stage('Install') {
            environment {
                NODE_ENV = ""
            }
            parallel {
                stage('Backend') {
                    steps {
                        sh 'npm install --no-audit --prefer-offline'
                    }
                }
                stage('Frontend') {
                    when {
                        expression { FROM_GIT }
                    }
                    steps {
                        sh 'npm install --no-audit --prefer-offline --prefix=front'
                    }
                }
                stage('Print') {
                    when {
                        expression { FROM_GIT }
                    }
                    steps {
                        sh 'npm install --no-audit --prefer-offline --prefix=print'
                    }
                }
            }
        }
        stage('Test') {
            when {
                expression { RUN_TESTS }
            }
            environment {
                NODE_ENV = ""
                TZ = 'Europe/Madrid'
            }
            parallel {
                stage('Backend') {
                    steps {
                        sh 'npm run test:back:ci'
                    }
                }
                stage('Frontend') {
                    steps {
                        sh 'jest --ci --reporters=default --reporters=jest-junit --maxWorkers=6'
                    }
                }
            }
        }
        stage('Build') {
            when {
                expression { PROTECTED_BRANCH && FROM_GIT }
            }
            environment {
                CREDENTIALS = credentials('docker-registry')
            }
            steps {
                script {
                    def packageJson = readJSON file: 'package.json'
                    env.VERSION = packageJson.version
                }
                sh 'gulp build'
                dockerBuild()
            }
        }
        stage('Deploy') {
            when {
                expression { PROTECTED_BRANCH }
            }
            parallel {
                stage('Database') {
                    steps {
                        configFileProvider([
                            configFile(fileId: "config.${env.NODE_ENV}.ini",
                            variable: 'MYSQL_CONFIG')
                        ]) {
                            sh 'mkdir -p db/remotes'
                            sh 'cp "$MYSQL_CONFIG" db/remotes/$NODE_ENV.ini'
                        }

                        sh 'npx myt push $NODE_ENV --force --commit'
                    }
                }
                stage('Docker') {
                    when {
                        expression { FROM_GIT }
                    }
                    environment {
                        DOCKER_HOST = "${env.SWARM_HOST}"
                    }
                    steps {
                        script {
                            def packageJson = readJSON file: 'package.json'
                            env.VERSION = packageJson.version
                        }
                        sh "docker stack deploy --with-registry-auth --compose-file docker-compose.yml ${env.STACK_NAME}"
                    }
                }
            }
        }
    }
    post {
        always {
            script {
                if (RUN_TESTS) {
                    try {
                        junit 'junitresults.xml'
                        junit 'junit.xml'
                    } catch (e) {
                        echo e.toString()
                    }
                }
            }
        }
        success {
            script {
                if (env.BRANCH_NAME == 'master' && FROM_GIT) {
                    env.GIT_COMMIT_MSG = sh(
                        script: 'git log -1 --pretty=%B ${GIT_COMMIT}',
                        returnStdout: true
                    ).trim()

                    String message = env.GIT_COMMIT_MSG
                    int index = message.indexOf('\n')
                    if (index != -1)
                        message = message.substring(0, index)

                    rocketSend(
                        channel: 'vn-database',
                        message: "*DB version uploaded:* ${message}"
                            +"\n$COMMITTER_EMAIL ($BRANCH_NAME)"
                            +"\n$GIT_URL/commit/$GIT_COMMIT",
                        rawMessage: true
                    )
                }
            }
        }
        unsuccessful {
            setEnv()
            sendEmail()
        }
    }
}