variables:
  - &golang_image 'docker.io/golang:1.21.5'
  - &node_image 'docker.io/node:21-alpine'
  - &alpine_image 'docker.io/alpine:3.19'
  - path: &when_path
      - 'docs/**'
      - '.woodpecker/docs.yml'
      # since we generate docs for cli tool we have to watch this too
      - 'cli/**'
      - 'cmd/cli/**'
      # api docs
      - 'server/api/**'
  - path: &docker_path # web source code
      - 'web/**'
      # api source code
      - 'server/api/**'
      # go source code
      - '**/*.go'
      - 'go.*'
      # schema changes
      - 'pipeline/schema/**'
      # Dockerfile changes
      - 'docker/**'

when:
  - event: tag
  - event: pull_request
  - event: push
    path:
      - <<: *when_path
      - <<: *docker_path
    branch:
      - ${CI_REPO_DEFAULT_BRANCH}
      - renovate/*
  - event: pull_request_closed
    path: *when_path
  - event: manual
    evaluate: 'TASK == "docs"'

steps:
  build-cli:
    image: *golang_image
    commands:
      - make docs
    when:
      - path: *when_path
      - event: manual

  build:
    image: *node_image
    directory: docs/
    commands:
      - corepack enable
      - pnpm install --frozen-lockfile
      - pnpm build
    when:
      - path: *when_path
      - event: manual

  deploy-preview:
    image: docker.io/woodpeckerci/plugin-surge-preview:1.3.0
    settings:
      path: 'docs/build/'
      surge_token:
        from_secret: SURGE_TOKEN
      forge_repo_token:
        from_secret: GITHUB_TOKEN_SURGE
    failure: ignore
    when:
      event: [pull_request, pull_request_closed]
      path: *when_path

  deploy-prepare:
    image: *alpine_image
    secrets:
      - BOT_PRIVATE_KEY
    commands:
      - apk add openssh-client git
      - mkdir -p $HOME/.ssh
      - ssh-keyscan -t rsa github.com >> $HOME/.ssh/known_hosts
      - echo "$BOT_PRIVATE_KEY" > $HOME/.ssh/id_rsa
      - chmod 0600 $HOME/.ssh/id_rsa
      - git clone --depth 1 --single-branch git@github.com:woodpecker-ci/woodpecker-ci.github.io.git ./docs_repo
    when:
      - event: push
        path:
          - <<: *when_path
          - <<: *docker_path
        branch: ${CI_REPO_DEFAULT_BRANCH}
      - event: [manual, tag]

  # update latest and next version
  version-next:
    image: *alpine_image
    commands:
      - apk add jq
      - jq '.next = "next-${CI_COMMIT_SHA:0:10}"' ./docs_repo/version.json > ./docs_repo/version.json.tmp
      - mv ./docs_repo/version.json.tmp ./docs_repo/version.json
    when:
      - event: push
        path: *docker_path
        branch: ${CI_REPO_DEFAULT_BRANCH}

  version-release:
    image: *alpine_image
    commands:
      - apk add jq
      - if [[ "${CI_COMMIT_TAG}" != *"rc"* ]] ; then jq '.latest = "${CI_COMMIT_TAG}"' ./docs_repo/version.json > ./docs_repo/version.json.tmp && mv ./docs_repo/version.json.tmp ./docs_repo/version.json ; fi
      - jq '.rc = "${CI_COMMIT_TAG}"' ./docs_repo/version.json > ./docs_repo/version.json.tmp
      - mv ./docs_repo/version.json.tmp ./docs_repo/version.json
    when:
      - event: tag

  copy-files:
    image: *alpine_image
    commands:
      - apk add rsync
      # copy all docs files and delete all old ones, but leave CNAME, index.yaml and version.json untouched
      - rsync -r --exclude .git --exclude CNAME --exclude index.yaml --exclude README.md --exclude version.json --delete docs/build/ ./docs_repo
    when:
      - event: push
        path: *when_path
        branch: ${CI_REPO_DEFAULT_BRANCH}
      - event: manual

  deploy:
    image: *alpine_image
    secrets:
      - BOT_PRIVATE_KEY
    commands:
      - apk add openssh-client rsync git
      - mkdir -p $HOME/.ssh
      - ssh-keyscan -t rsa github.com >> $HOME/.ssh/known_hosts
      - echo "$BOT_PRIVATE_KEY" > $HOME/.ssh/id_rsa
      - chmod 0600 $HOME/.ssh/id_rsa
      - git config --global user.email "woodpecker-bot@obermui.de"
      - git config --global user.name "woodpecker-bot"
      - cd ./docs_repo
      - git add .
      # exit successfully if nothing changed
      - test -n "$(git status --porcelain)" || exit 0
      - git commit -m "Deploy website - based on ${CI_COMMIT_SHA}"
      - git push
    when:
      - event: push
        path:
          - <<: *when_path
          - <<: *docker_path
        branch: ${CI_REPO_DEFAULT_BRANCH}
      - event: [manual, tag]