default:
  image: maven:3-amazoncorretto-17-alpine

stages:
  - build
  - on_commit
  - sonarcloud_scan
  - deploy
  - release

variables:
  GITLAB_CLONE_DIR: "/builds/th-schwarz/CloudflareDNS-java"
  GITLAB_USERNAME: $GITLAB_USERNAME
  GITLAB_USEREMAIL: GITLAB_USEREMAIL
  SONAR_HOST_URL: $SONAR_HOST_URL
  SONAR_PROJECT_KEY: "thischwa_CloudflareDNS-java"
  SONAR_ORGANIZATION: "thischwa"
  SONAR_TOKEN: $SONAR_TOKEN
  SONAR_USER_HOME: "${CI_PROJECT_DIR}/.sonar"
  GIT_DEPTH: "0"  # Tells git to fetch all the branches of the project, required by the analysis task
  API_EMAIL: $API_EMAIL
  API_KEY: $API_KEY
  API_TOKEN: $API_TOKEN

build:
  stage: build
  script:
    - echo "Running package..."
    - cd ${GITLAB_CLONE_DIR}
    - mvn clean package
    - echo "Preparing GitLab Pages from docs/ (javadoc)"
    - mkdir public
    - cp -rv docs/* public/
    - mkdir public/apidocs
    - cp -rv target/apidocs public/
  artifacts:
    paths:
      - target/surefire-reports/*.xml
      - target/
      - public/
  except:
    - tags

on_commits:
  stage: on_commit
  dependencies:
    - build
  script:
    - echo "on_commit DONE"
  only:
    - /^feature.*$/
    - merge_request
    - develop

pages:
  # triggers the page deployment of gitlab
  stage: deploy
  script:
    - echo "Publishing to GitLab Pages ..."
  artifacts:
    paths:
      - public
  only:
    - develop

sonarcloud_scan:
  stage: sonarcloud_scan
  dependencies:
    - build
  script:
    - mvn -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
  only:
    - merge_requests
    - develop

perform_release:
  stage: release
  script: |
    apk add --no-cache git
    cd ${GITLAB_CLONE_DIR}
    # config auth
    git remote set-url origin "https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.com/${CI_PROJECT_PATH}.git"
    git config --global user.name "${GITLAB_USERNAME}"
    git config --global user.email "${GITLAB_USEREMAIL}"
    export CI_REF_NAME=${CI_COMMIT_REF_NAME:-release}
    git checkout -B ${CI_REF_NAME}  

    # build versions
    CURRENT_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
    RELEASE_VERSION=$(echo $CURRENT_VERSION | sed 's/-SNAPSHOT//')
    MINOR_VERSION=$(echo $RELEASE_VERSION | awk -F. '{print $2}')
    NEXT_MINOR_VERSION=$((MINOR_VERSION + 1))
    NEXT_VERSION=$(echo $RELEASE_VERSION | awk -F. -v minor="$NEXT_MINOR_VERSION" '{print $1"."minor".0-SNAPSHOT"}')

    echo "current version: $CURRENT_VERSION"
    echo "release version: $RELEASE_VERSION"
    echo "next version: $NEXT_VERSION"

    # process maven release ...
    mvn release:clean release:prepare release:perform \
      -B \
      -DreleaseVersion=$RELEASE_VERSION \
      -DdevelopmentVersion=$NEXT_VERSION \
      -Darguments="-DskipTests" \
      -DscmCommentPrefix="[ci skip] " \
      -DpreparationGoals="clean verify"

    # generate release
    curl --header "PRIVATE-TOKEN: ${GITLAB_API_TOKEN}" \
         --data "name=v${RELEASE_VERSION}" \
         --data "tag_name=v${RELEASE_VERSION}" \
         --data "description=Release v${RELEASE_VERSION} of CloudflareDNS-java" \
         "https://gitlab.com/api/v4/projects/${CI_PROJECT_ID}/releases"

  only:
    - /^pre-v\d+\.\d+\.\d+$/