pipeline {
    agent {
        kubernetes {
            yamlFile '.jenkins/podTemplate.yaml'
        }
    }

    environment {
        ACR_NAME = 'marcin00'
        CLIENT_ID = 'c302726f-fafb-4143-94c1-67a70975574a'
        DOCKER_REGISTRY_URL = 'marcin00.azurecr.io'
        DOCKER_IMAGE = "${DOCKER_REGISTRY_URL}/user-microservice:${GIT_COMMIT}"
        DEPLOY_REPO = 'ssh://git@srv22.mikr.us:20343/pikram/user-microservice-deploy.git'
    }

    stages {
        stage('Code Tests') {
            steps {
                container('python') {
                    dir('api') {
                        sh '''
                            python3 -m venv env
                            source env/bin/activate
                            pip install -r requirements.txt pytest
                            python3 -m pytest --junit-xml=pytest_junit.xml
                        '''
                    }
                }
            }
            post {
                always {
                    junit testResults: '**/*pytest_junit.xml'
                }
            }
        }

        stage('Build & Push Docker') {
            steps {
                container('docker') {
                    sh '''
                        docker build -t ${DOCKER_IMAGE} --build-arg APP_VERSION=${GIT_COMMIT} --build-arg BUILD_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ") .
                        az login --identity --client-id ${CLIENT_ID}
                        az acr login --name ${ACR_NAME}
                        docker push ${DOCKER_IMAGE}
                    '''
                }
            }
        }
        stage('Commit new version to GitOps repo') {
            steps {
                container('git') {
                    withCredentials([string(credentialsId: 'gitea-known-host', variable: 'GITEA_KNOWN_HOST')]) {
                        sh '''
                            mkdir -p ~/.ssh
                            echo "$GITEA_KNOWN_HOST" >> ~/.ssh/known_hosts
                            chmod 644 ~/.ssh/known_hosts

                            git config --global user.name "jenkins[bot]"
                            git config --global user.email "jenkins@marcin00.pl"
                        '''
                        sshagent(['gitea-deploy-key']) {
                            sh 'git clone ${DEPLOY_REPO} --branch fluxcd'
                        }
                    }
                    sh '''
                        cd user-microservice-deploy/apps/user-microservice
                        # Podmień tag obrazu w pliku deploy.yaml
                        awk -v commit="$GIT_COMMIT" '
                        $0 ~ /name:[[:space:]]*api/ { in_api_container = 1; print; next }
                        in_api_container && $0 ~ /^[[:space:]]*image:[[:space:]]*/ {
                            sub(/:[^:[:space:]]+$/, ":" commit)
                            in_api_container = 0
                            print
                            next
                        }
                        { print }
                        ' deploy.yaml > deploy.tmp && mv deploy.tmp deploy.yaml
                        '''

                    sshagent(['gitea-deploy-key']) {
                        sh '''
                            cd user-microservice-deploy/apps/user-microservice
                            git add deploy.yaml
                            git diff-index --quiet HEAD || git commit -m "JENKINS: Changed deployed version to $GIT_COMMIT"
                            git push origin fluxcd
                        '''
                    }
                }
            }
        }
    }
}