image: elixir:latest

stages:
  - build
  - test
  - version
  - release

variables:
  MIX_ENV: "test"
  PACKAGE_REGISTRY_URL: "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/"
  HEX_HOME: "$CI_PROJECT_DIR/.hex"
  MIX_HOME: "$CI_PROJECT_DIR/.mix"

build:
  image: elixir:latest
  stage: build
  cache:
    key: "$CI_JOB_NAME"
    paths:
      - deps
      - _build
      - .hex
      - .mix
  script:
    - mix local.hex --force
    - mix local.rebar --force
    - mix deps.get
    - mix deps.compile
  artifacts:
    paths:
      - _build/
      - deps/
      - .hex
      - .mix

test:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
  stage: test
  script:
    - mix test

integrate:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
  stage: test
  tags:
    - sense-hat
  script:
    - mix clean
    - SENSE_HAT_PRESENT=true mix test

credo:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
  stage: test
  script:
    - mix credo

audit:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
  stage: test
  script:
    - mix hex.audit

format:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
  stage: test
  script:
    - mix format --check-formatted

pages:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
  stage: release
  script:
    - mix docs -o public
  artifacts:
    paths:
      - public
  only:
    - master

git_ops:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
    - job: audit
    - job: credo
    - job: format
    - job: test
  stage: version
  only:
    refs:
      - master
  except:
    variables:
      - $CI_COMMIT_MESSAGE =~ /chore\:\ release version/
  script:
    - |
      mkdir -p artifacts
      git config --global user.name "Gitlab Runner for ${GITLAB_USER_NAME}"
      git config --global user.email "${GITLAB_USER_EMAIL}"
      mix git_ops.release --yes
      mix git_ops.project_info -f shell > artifacts/env
      source artifacts/env
      mix hex.build -o "artifacts/${APP_NAME}-${APP_VERSION}.tar"
      gzip "artifacts/${APP_NAME}-${APP_VERSION}.tar"
      mix docs && tar zcvf "artifacts/${APP_NAME}-${APP_VERSION}-docs.tar.gz" doc/
      curl --header "JOB_TOKEN: ${CI_JOB_TOKEN}" --upload-file "artifacts/${APP_NAME}-${APP_VERSION}.tar.gz" "${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}.tar.gz"
      curl --header "JOB_TOKEN: ${CI_JOB_TOKEN}" --upload-file "artifacts/${APP_NAME}-${APP_VERSION}-docs.tar.gz" "${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}-docs.tar.gz"
      git push "https://project_${CI_PROJECT_ID}_bot:${RELEASE_TOKEN}@gitlab.com/${CI_PROJECT_PATH}.git" "HEAD:${CI_COMMIT_REF_NAME}" "refs/tags/v${APP_VERSION}"
  artifacts:
    paths:
      - artifacts/*

release-gitlab:
  stage: release
  image: registry.gitlab.com/gitlab-org/release-cli:latest
  only:
    - master
  needs:
    - job: git_ops
      artifacts: true
  script:
    - |
      source artifacts/env
      release-cli create \
        --name "Release ${APP_NAME} ${APP_VERSION}" \
        --description "./CHANGELOG.md" \
        --tag-name "v${APP_VERSION}" \
        --assets-link "{\"name\":\"${APP_NAME}-${APP_VERSION}.tar.gz\",\"url\":\"${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}.tar.gz\"}" \
        --assets-link "{\"name\":\"${APP_NAME}-${APP_VERSION}-docs.tar.gz\",\"url\":\"${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}-docs.tar.gz\"}"

release-hex:
  image: elixir:latest
  needs:
    - job: build
      artifacts: true
    - job: git_ops
  stage: release
  only:
    - master
  script:
    - mix hex.publish --yes