#!/usr/bin/env groovy

def PROTECTED_BRANCH
def FROM_GIT
def RUN_TESTS
def RUN_BUILD

def BRANCH_ENV = [
    test: 'test',
    master: 'production',
    beta: 'production'
]

node {
    stage('Setup') {
        env.BACK_REPLICAS = 1
        env.NODE_ENV = BRANCH_ENV[env.BRANCH_NAME] ?: 'dev'

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

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

        // https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#using-environment-variables
        echo "NODE_NAME: ${env.NODE_NAME}"
        echo "WORKSPACE: ${env.WORKSPACE}"

        configFileProvider([
            configFile(fileId: 'salix.properties',
            variable: 'PROPS_FILE')
        ]) {
            def props = readProperties file: PROPS_FILE
            props.each {key, value -> env."${key}" = value }
            props.each {key, value -> echo "${key}: ${value}" }
        }

        if (PROTECTED_BRANCH) {
            configFileProvider([
                configFile(fileId: "salix.branch.${env.BRANCH_NAME}",
                variable: 'BRANCH_PROPS_FILE')
            ]) {
                def props = readProperties file: BRANCH_PROPS_FILE
                props.each {key, value -> env."${key}" = value }
                props.each {key, value -> echo "${key}: ${value}" }
            }
        }
    }
}
pipeline {
    agent any
    options {
        disableConcurrentBuilds()
    }
    tools {
        nodejs 'node-v20'
    }
    environment {
        PROJECT_NAME = 'salix'
    }
    stages {
        stage('Version') {
            when {
                expression { RUN_BUILD }
            }
            steps {
                script {
                    def packageJson = readJSON file: 'package.json'
                    def version = "${packageJson.version}-build${env.BUILD_ID}"
                    writeFile(file: 'VERSION.txt', text: version)
                }
            }
        }
        stage('Install') {
            environment {
                NODE_ENV = ''
            }
            parallel {
                stage('Back') {
                    steps {
                        sh 'pnpm install --prefer-offline'
                        sh 'node node_modules/puppeteer/install.mjs'
                    }
                }
                stage('Print') {
                    when {
                        expression { FROM_GIT }
                    }
                    steps {
                        sh 'pnpm install --prefer-offline --prefix=print'
                    }
                }
                stage('Front') {
                    when {
                        expression { FROM_GIT }
                    }
                    steps {
                        sh 'pnpm install --prefer-offline --prefix=front'
                    }
                }
            }
        }
        stage('Stack') {
            parallel {
                stage('Back') {
                    stages {
                        stage('Test') {
                            when {
                                expression { RUN_TESTS }
                            }
                            environment {
                                NODE_ENV = ''
                            }
                            steps {
                                sh 'node back/tests.js --junit'
                            }
                            post {
                                always {
                                    junit(
                                        testResults: 'junitresults.xml',
                                        allowEmptyResults: true
                                    )
                                }
                            }
                        }
                        stage('Build') {
                            when {
                                expression { RUN_BUILD }
                            }
                            environment {
                                VERSION = readFile 'VERSION.txt'
                            }
                            steps {
                                sh 'docker-compose build back'
                            }
                        }
                    }
                }
                stage('Front') {
                    when {
                        expression { FROM_GIT }
                    }
                    stages {
                        stage('Test') {
                            when {
                                expression { RUN_TESTS }
                            }
                            environment {
                                NODE_ENV = ''
                            }
                            steps {
                                sh 'jest --ci --reporters=default --reporters=jest-junit --maxWorkers=10'
                            }
                            post {
                                always {
                                    junit(
                                        testResults: 'junit.xml',
                                        allowEmptyResults: true
                                    )
                                }
                            }
                        }
                        stage('Build') {
                            when {
                                expression { RUN_BUILD }
                            }
                            environment {
                                VERSION = readFile 'VERSION.txt'
                            }
                            steps {
                                sh 'gulp build'
                                sh 'docker-compose build front'
                            }
                        }
                    }
                }
            }
        }
        stage('Push') {
            when {
                expression { RUN_BUILD }
            }
            environment {
                CREDENTIALS = credentials('docker-registry')
                VERSION = readFile 'VERSION.txt'
            }
            steps {
                sh 'docker login --username $CREDENTIALS_USR --password $CREDENTIALS_PSW $REGISTRY'
                sh 'docker-compose push'
            }
        }
        stage('Deploy') {
            when {
                expression { PROTECTED_BRANCH }
            }
            parallel {
                stage('Database') {
                    steps {
                        configFileProvider([
                            configFile(fileId: "config.${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 $NODE_ENV --force --commit'
                    }
                }
                stage('Kubernetes') {
                    when {
                        expression { FROM_GIT }
                    }
                    environment {
                        VERSION = readFile 'VERSION.txt'
                    }
                    steps {
                        withKubeConfig([
                            serverUrl: "$KUBERNETES_API",
                            credentialsId: 'kubernetes',
                            namespace: 'salix'
                        ]) {
                            sh 'kubectl set image deployment/salix-back-$BRANCH_NAME salix-back-$BRANCH_NAME=$REGISTRY/salix-back:$VERSION'
                            sh 'kubectl set image deployment/salix-front-$BRANCH_NAME salix-front-$BRANCH_NAME=$REGISTRY/salix-front:$VERSION'
                        }
                    }
                }
            }
        }
    }
    post {
        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)

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