pipeline {
    agent any

    environment {
        NEXUS = credentials('jenkins_nexus')
        NCLAZZ = credentials('nclazz_api_token')
        GITEA_TOKEN = credentials('jenkins_gitea_token')

        DOCKER_REGISTRY = "docker.nclazz.de"
        DOCKER_GROUP = 'nclazz-bots'
        DOCKER_IMAGE = 'teabot'
        DOCKER_TAG = "${ BRANCH_NAME == "master" ? "latest" : "develop" }"
        DOCKER_VERSION = "1.0.0"

        DEPLOY_ENV = "production"
    }

    options {
        timeout(time: 30, unit: "MINUTES")
    }

    stages {
        stage('Docker Build') {
            agent { label 'docker' }
            steps {
                script {
                    docker.withRegistry("https://$DOCKER_REGISTRY", "jenkins_nexus") {
                        def apiImage = docker.build("$DOCKER_GROUP/$DOCKER_IMAGE")
                        apiImage.push("${env.DOCKER_VERSION}")
                        apiImage.push("${env.DOCKER_TAG}")
                    }
                }
            }
        }
        stage('Run Deployment') {
            agent { label 'provision' }
            when {
                branch 'master'
            }
            steps {
                deployToSwarm(
                        name: 'nclazz-teabot',
                        file: "${env.WORKSPACE}/docker-compose.yml",
                        forceUpdate: true,
                        askApproval: false,
                        slackChannel: 'deployment',
                        env: [
                                PORT: 7008,
                                VERSION: env.DOCKER_VERSION,
                                AUTH_TOKEN: env.NCLAZZ,
                                GITEA_TOKEN: env.GITEA_TOKEN,
                                GITEA_BASE_URL: 'https://git.l--n.de/api/v1'
                        ]
                )
                exposeService(
                        name: 'nclazz-teabotbot',
                        fqdn: 'teabot.nclazz.de',
                        description: 'Gitea bot',
                        location: '/',
                        backendPort: 7008
                )
            }
        }
    }
    post {
        always {
            cleanWs()
        }
        failure {
            slackSend(
                    channel: "notifications",
                    color: "danger",
                    message: "There is a *build failure* in ${env.JOB_NAME}.\nBuild: ${env.RUN_DISPLAY_URL} "
            )
        }
        unstable {
            slackSend(
                    channel: "notifications",
                    color: "warning",
                    message: "Some tests have failed in ${env.JOB_NAME}.\nBuild: ${env.RUN_DISPLAY_URL} "
            )
        }
        fixed {
            slackSend(
                    channel: "notifications",
                    color: "good",
                    message: "The build ${env.JOB_NAME} completed successfully and is back to normal.\nBuild: ${env.RUN_DISPLAY_URL} "
            )
        }
    }
}