/**
* For more info about the Jenkinsfile usage, visit:
* https://jenkins.io/doc/book/pipeline/jenkinsfile/
*
* For more info about the syntax and commands, visit:
* https://jenkins.io/doc/book/pipeline/syntax/
*/

pipeline {

    /**
     * Build Actions
     */
    agent any

    environment {
        CI_FILE_DIR = './ci'
    }

    stages {
        stage('Preparing script files') {
            steps {
              sh 'sudo chmod +x ' + env.CI_FILE_DIR + '/scripts/*.sh || true'
            }

        }

        stage('Installing deps') {
            /**
             * This section SHOULD ONLY include script for installation of modules, packages, libraries, etc.
             * Make the installation grouped per interface. e.g. frontend, backend, system, etc
             */
            steps {
                script {
                    if (fileExists(env.CI_FILE_DIR + '/scripts/setup.sh')) {
                        def shell_script = readFile env.CI_FILE_DIR + '/scripts/setup.sh'
                        sh shell_script
                    }
                }
            }

        }

        stage('Starting application') {
            /**
             * This section SHOULD ONLY include script that needs to be executed before running tests.
             * Remove this section if not needed.
             */
            steps {
                script {
                    if (fileExists(env.CI_FILE_DIR + '/scripts/build.sh')) {
                        def shell_script = readFile env.CI_FILE_DIR + '/scripts/build.sh'
                        sh shell_script
                    }
                }
            }

        }

        stage('Running tests') {
            /**
             * This section SHOULD ONLY include script for running of unit tests and nothing more
             */
            steps {
                script {
                    if (fileExists(env.CI_FILE_DIR + '/scripts/test.sh')) {
                        def shell_script = readFile env.CI_FILE_DIR + '/scripts/test.sh'
                        sh shell_script
                    }
                }
            }

        }

        stage('Deployment') {
            /**
             * This section SHOULD ONLY include script for deployment
             */
            steps {
                script {
                    if (fileExists(env.CI_FILE_DIR + '/scripts/deploy.sh')) {
                        def shell_script = readFile env.CI_FILE_DIR + '/scripts/deploy.sh'
                        sh shell_script
                    }
                }
            }

        }

    }

    /**
     * Post-build Actions
     */
    post {
        failure {

            //Checks if the current branch is a critical branch
            script {
                def configString = readFile env.CI_FILE_DIR + '/config.json'

                def config = readJSON text: configString

                def criticalBranches = config['critical_branch']

                def emailRecipients = 'ci-error@freedom.tm'

                for (def email in config['email']) {
                    emailRecipients += ';' + email
                }

                /**
                 * if branch is critical, send emails to:
                 * - Developers who were involved in the last build
                 * - Developers who are suspected to have caused the failing build
                 * - The SME (Specified in [optional])
                 */
                if (criticalBranches.contains(env.BRANCH_NAME)) {
                    emailext (
                        subject: "CI BUILD FAILED: ${env.JOB_NAME} [${env.BUILD_NUMBER}]",
                        body: """
                            CI BUILD FAILED: ${env.JOB_NAME} [${env.BUILD_NUMBER}]
                            BRANCH NAME: ${env.BRANCH_NAME}

                            Check console output at ${env.BUILD_URL}
                            """,
                        recipientProviders: [[$class: 'CulpritsRecipientProvider']],

                        to: emailRecipients
                    )

                }
            }

        }
    }

}