version: 1

when:
  - event: tag
  - event: pull_request
  - event: push
    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/**'
    branch:
      - ${CI_REPO_DEFAULT_BRANCH}
      - renovate/*
  - cron: update_docs
    event: cron
  - event: manual
    evaluate: 'TASK == "docs"'

variables:
  - &golang_image 'docker.io/golang:1.21.3'
  - &node_image 'docker.io/node:21-alpine'

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

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

  deploy-preview:
    image: docker.io/woodpeckerci/plugin-surge-preview:1.2.2
    settings:
      path: 'docs/build/'
      surge_token:
        from_secret: SURGE_TOKEN
      forge_type: github
      forge_url: 'https://github.com'
      forge_repo_token:
        from_secret: GITHUB_TOKEN_SURGE
    failure: ignore
    when:
      event: pull_request
      path: *when_path

  # TODO: add step to remove preview again after PR is closed (waiting for #286)

  deploy:
    image: docker.io/alpine:3.18
    secrets:
      - BOT_PRIVATE_KEY
    commands:
      - apk add openssh-client git rsync jq
      - mkdir -p $HOME/.ssh
      - ssh-keyscan -t rsa github.com >> $HOME/.ssh/known_hosts
      - echo "$BOT_PRIVATE_KEY" > $HOME/.ssh/id_rsa
      - chmod 0600 $HOME/.ssh/id_rsa
      - git config --global user.email "woodpecker-bot@obermui.de"
      - git config --global user.name "woodpecker-bot"
      - git clone --depth 1 --single-branch git@github.com:woodpecker-ci/woodpecker-ci.github.io.git /repo
      # update latest and next version
      - if [ "$CI_PIPELINE_EVENT" == "tag" ] ; then jq '.latest = ${CI_COMMIT_TAG}' /repo/version.json > /repo/version.json.tmp && mv /repo/version.json.tmp /repo/version.json ; fi
      - if [ "$CI_PIPELINE_EVENT" == "push" ] ; then jq '.next = "next-${CI_COMMIT_SHA:0:10}"' /repo/version.json > /repo/version.json.tmp && mv /repo/version.json.tmp /repo/version.json ; fi
      # copy all docs files and delete all old ones, but leave CNAME and index.yaml untouched
      - rsync -r --exclude .git --exclude CNAME --exclude index.yaml --exclude README.md --exclude version.json --delete docs/build/ /repo
      - cd /repo
      - git add .
      # exit successfully if nothing changed
      - test -n "$(git status --porcelain)" || exit 0
      - git commit -m "Deploy website - based on ${CI_COMMIT_SHA}"
      - git push
    when:
      - event: push
        path: *when_path
      - event: [cron, manual, tag]