---
kind: pipeline
type: docker
name: default

volumes:
  - name: docs
    host:
      path: /opt/docs/platypush

steps:

###
### Mirror the current repository state to Github
###

- name: github-mirror
  image: alpine
  environment:
    SSH_PUBKEY:
      from_secret: ssh_pubkey
    SSH_PRIVKEY:
      from_secret: ssh_privkey

  commands:
    - apk add --update --no-cache git openssh
    - mkdir -p ~/.ssh
    - echo $SSH_PUBKEY > ~/.ssh/id_rsa.pub
    - |
      cat <<EOF > ~/.ssh/id_rsa
      $SSH_PRIVKEY
      EOF
    - chmod 0600 ~/.ssh/id_rsa
    - ssh-keyscan github.com >> ~/.ssh/known_hosts 2>/dev/null
    - git config --global --add safe.directory $PWD
    - git remote add github git@github.com:/BlackLight/platypush.git
    - git pull --rebase github "$(git branch | head -1 | awk '{print $2}')" || echo "No such branch on Github"
    - git push --all -v github

###
### Rebuild the docs
###

- name: docs
  image: alpine
  volumes:
    - name: docs
      path: /docs

  commands:
    - echo "Installing required build dependencies"
    - apk add --update --no-cache make py3-sphinx py3-pip py3-paho-mqtt
    - pip install -U hid sphinx-rtd-theme sphinx-book-theme
    - pip install .
    - mkdir -p /docs/current
    - export APPDIR=$PWD
    - rm -rf "$APPDIR/docs/build"
    - echo "Building the updated documentation"
    - cd "$APPDIR/docs"
    - make html
    - rm -f config*.yaml
    - cd "$APPDIR"
    - echo "Copying the new documentation files to the target folder"
    - mv -v "$APPDIR/docs/build" /docs/new
    - cd /docs
    - mv current old
    - mv new current
    - rm -rf old

  when:
    event:
      - tag

###
### Run the tests
###

- name: tests
  image: python:3.11-alpine
  commands:
    - apk add --update --no-cache redis
    - apk add --update --no-cache --virtual build-base g++ rust linux-headers
    - pip install -U pip
    - pip install .
    - pip install -r requirements-tests.txt
    - apk del build-base g++ rust linux-headers
    - pytest tests

###
### Rebuild the UI files
###

- name: build-ui
  image: node:current-alpine3.18

  environment:
    SSH_PUBKEY:
      from_secret: ssh_pubkey
    SSH_PRIVKEY:
      from_secret: ssh_privkey
    PGP_KEY:
      from_secret: pgp_key
    PGP_KEY_ID:
      from_secret: pgp_key_id

  when:
    branch:
      - master
    event:
      - push

  depends_on:
    - tests

  commands:
    - apk add --update --no-cache git

    # Backup the original git configuration before changing attributes
    - export GIT_CONF=$PWD/.git/config
    - cp $GIT_CONF /tmp/git.config.orig

    - git config --global --add safe.directory $PWD
    - cd platypush/backend/http/webapp
    - |
      if [ $(git log --pretty=oneline $DRONE_COMMIT_AFTER...$DRONE_COMMIT_BEFORE . | wc -l) -eq 0 ]; then
        echo "No UI changes detected, skipping build"
        exit 0
      fi

    - |
      if [ "$(git log --pretty=format:%s HEAD...HEAD~1)" == "[Automatic] Updated UI files" ]; then
        echo "UI changes have already been committed, skipping build"
        exit 0
      fi

    - rm -rf node_modules
    - npm install
    - npm run build
    - |
      if [ $(git status --porcelain dist | wc -l) -eq 0 ]; then
        echo "No build files have been changed"
        exit 0
      fi

    - apk add --update --no-cache bash gnupg openssh
    - mkdir -p ~/.ssh
    - |
      cat <<EOF | gpg --import --armor
      $PGP_KEY
      EOF

    - echo $SSH_PUBKEY > ~/.ssh/id_rsa.pub
    - |
      cat <<EOF > ~/.ssh/id_rsa
      $SSH_PRIVKEY
      EOF
    - chmod 0600 ~/.ssh/id_rsa
    - ssh-keyscan git.platypush.tech >> ~/.ssh/known_hosts 2>/dev/null

    - git config user.name "Platypush CI/CD Automation"
    - git config user.email "admin@platypush.tech"
    - git config commit.gpgsign true
    - git config user.signingkey $PGP_KEY_ID
    - git add dist
    - git commit dist -S -m "[Automatic] Updated UI files" --no-verify
    - git remote rm origin
    - git remote add origin git@git.platypush.tech:platypush/platypush.git
    - git push origin master

    # Restore the original git configuration
    - mv /tmp/git.config.orig $GIT_CONF

###
### Update the Arch packages
###

- name: update-arch-packages
  image: python:3.11-alpine
  environment:
    WORKDIR: /tmp/workdir
    SSH_PUBKEY:
      from_secret: ssh_pubkey
    SSH_PRIVKEY:
      from_secret: ssh_privkey

  when:
    branch:
      - master
    event:
      - push

  depends_on:
    - build-ui

  commands:
    - echo "-- Installing dependencies"
    - apk add --update --no-cache curl git openssh pacman sudo

    - echo "--- Parsing metadata"
    - git config --global --add safe.directory $PWD
    - git pull --rebase origin master --tags
    - export VERSION=$(python setup.py --version)
    - export HEAD=$(git log --pretty=format:%h HEAD...HEAD~1)
    - export GIT_VERSION="$VERSION.r$(git log --pretty=oneline HEAD...v$VERSION | wc -l).$HEAD"
    - export TAG_URL="https://git.platypush.tech/platypush/platypush/archive/v$VERSION.tar.gz"
    - export TAG_ARCHIVE="platypush-$VERSION.tar.gz"

    - echo "--- Preparing environment"
    - mkdir -p ~/.ssh
    - echo $SSH_PUBKEY > ~/.ssh/id_rsa.pub
    - |
      cat <<EOF > ~/.ssh/id_rsa
      $SSH_PRIVKEY
      EOF
    - chmod 0600 ~/.ssh/id_rsa
    - ssh-keyscan git.platypush.tech >> ~/.ssh/known_hosts 2>/dev/null
    - ssh-keyscan aur.archlinux.org >> ~/.ssh/known_hosts 2>/dev/null
    - adduser -u 1000 -D build
    - mkdir -p $WORKDIR

    - echo "--- Updating Arch git version"
    - export PKGDIR=$WORKDIR/git
    - git clone ssh://aur@aur.archlinux.org/platypush-git.git $PKGDIR
    - git config --global --add safe.directory $PKGDIR
    - chown -R build $PKGDIR
    - cd $PKGDIR
    - |
      sed -i 'PKGBUILD' -r \
        -e "s/^pkgver=.*/pkgver=$GIT_VERSION/" \
        -e "s/^pkgrel=.*/pkgrel=1/" \
    - sudo -u build makepkg --printsrcinfo > .SRCINFO
    - export FILES_CHANGED=$(git status --porcelain --untracked-files=no | wc -l)
    - |
      if [ $FILES_CHANGED -gt 0 ]; then
        echo "--- Pushing git package version $GIT_VERSION"
        git commit -a -m '[Automatic] Package update'
        git push origin master
      fi

    - echo "--- Updating Arch stable version"
    - export PKGDIR=$WORKDIR/stable
    - git clone ssh://aur@aur.archlinux.org/platypush.git $PKGDIR
    - git config --global --add safe.directory $PKGDIR
    - chown -R build $PKGDIR
    - cd $PKGDIR
    - export RELEASED_VERSION=$(grep -e '^pkgver=' PKGBUILD | sed -r -e 's/^pkgver=(.*)\s*/\1/')
    - |
      if [ "$RELEASED_VERSION" == "$VERSION" ]; then
        exit 0
      fi

    - export TAG_CHECKSUM=$(curl --silent "$TAG_URL" | sha512sum | awk '{print $1}')
    - |
      sed -i 'PKGBUILD' -r \
        -e "s/^pkgver=.*/pkgver=$VERSION/" \
        -e "s/^pkgrel=.*/pkgrel=1/" \
        -e "s/^sha512sums=.*/sha512sums=('$TAG_CHECKSUM')/"

    - sudo -u build makepkg --printsrcinfo > .SRCINFO
    - export FILES_CHANGED=$(git status --porcelain --untracked-files=no | wc -l)
    - |
      if [ $FILES_CHANGED -gt 0 ]; then
        echo "--- Pushing stable package version $VERSION"
        git commit -a -m '[Automatic] Package update'
        git push origin master
      fi

###
### Update the Debian (stable) packages
###

- name: update-debian-stable-packages
  image: debian:stable
  environment:
    DEB_VERSION: stable
    WORKDIR: /tmp/workdir
    STABLE_PKG_NAME: platypush
    PKG_NAME: platypush
    S3_URL: s3://platypush-pkg/apt/dists
    AWS_ENDPOINT_URL: https://s3.nl-ams.scw.cloud      
    AWS_ACCESS_KEY_ID:
      from_secret: aws_access_key_id
    AWS_SECRET_ACCESS_KEY:
      from_secret: aws_secret_access_key

  when:
    branch:
      - master
    event:
      - push

  depends_on:
    - build-ui

  commands:
    - echo "-- Installing dependencies"
    - apt update
    - apt install -y dpkg-dev gpg git python3 python3-pip
    - pip install awscli --break-system-packages

    - echo "-- Copying source directory"
    - mkdir -p "$WORKDIR"
    - export SRCDIR="$WORKDIR/src"
    - cp -r "$PWD" "$SRCDIR"
    - cd "$SRCDIR"

    - echo "--- Parsing metadata"
    - git config --global --add safe.directory $PWD
    - git pull --rebase origin master --tags
    - export VERSION=$(python3 setup.py --version)
    - export HEAD=$(git log --pretty=format:%h HEAD...HEAD~1)
    - export TAG_URL="https://git.platypush.tech/platypush/platypush/archive/v$VERSION.tar.gz"
    - export TAG_ARCHIVE="platypush-$VERSION.tar.gz"
    - export GIT_VERSION="$VERSION.r$(git log --pretty=oneline HEAD...v$VERSION | wc -l).$HEAD"
    - export GIT_BUILD_DIR="$WORKDIR/$${PKG_NAME}_$${GIT_VERSION}_all"
    - export GIT_DEB="$WORKDIR/$${PKG_NAME}_$${GIT_VERSION}_all.deb"

    - echo "--- Building git package"
    - pip install --prefix="$GIT_BUILD_DIR/usr" --no-cache --no-deps .
    - |
      find "$GIT_BUILD_DIR" -name "site-packages" | while read dir; do
        base="$(dirname "$dir")"
        mv "$dir" "$base/dist-packages"
      done

    - mkdir -p "$GIT_BUILD_DIR/DEBIAN"
    - |
      cat <<EOF > "$GIT_BUILD_DIR/DEBIAN/control"
      Package: $PKG_NAME
      Version: $GIT_VERSION
      Maintainer: Fabio Manganiello <fabio@platypush.tech>
      Depends: $(cat platypush/install/requirements/debian.txt | tr '\n' ',' | sed -re 's/,$//' -e 's/,/, /g')
      Architecture: all
      Homepage: https://platypush.tech
      Description: Universal command executor and automation hub.
      EOF
    - dpkg --build "$GIT_BUILD_DIR"

    - echo "--- Pushing package to the S3 bucket"
    - aws s3 cp "$GIT_DEB" "$S3_URL/$DEB_VERSION/dev/all/"

###
### Update the Debian (oldstable) packages
###

- name: update-debian-oldstable-packages
  image: debian:oldstable
  environment:
    DEB_VERSION: oldstable
    WORKDIR: /tmp/workdir
    STABLE_PKG_NAME: platypush
    PKG_NAME: platypush
    S3_URL: s3://platypush-pkg/apt/dists
    AWS_ENDPOINT_URL: https://s3.nl-ams.scw.cloud      
    AWS_ACCESS_KEY_ID:
      from_secret: aws_access_key_id
    AWS_SECRET_ACCESS_KEY:
      from_secret: aws_secret_access_key

  when:
    branch:
      - master
    event:
      - push

  depends_on:
    - build-ui

  commands:
    - echo "-- Copying source directory"
    - mkdir -p "$WORKDIR"
    - export SRCDIR="$WORKDIR/src"
    - cp -r "$PWD" "$SRCDIR"
    - cd "$SRCDIR"

    - echo "-- Installing dependencies"
    - apt update
    - apt install -y dpkg-dev gpg git python3 python3-pip
    - pip install awscli

    - echo "--- Parsing metadata"
    - git config --global --add safe.directory $PWD
    - git pull --rebase origin master --tags
    - export VERSION=$(python3 setup.py --version)
    - export HEAD=$(git log --pretty=format:%h HEAD...HEAD~1)
    - export TAG_URL="https://git.platypush.tech/platypush/platypush/archive/v$VERSION.tar.gz"
    - export TAG_ARCHIVE="platypush-$VERSION.tar.gz"
    - export GIT_VERSION="$VERSION.r$(git log --pretty=oneline HEAD...v$VERSION | wc -l).$HEAD"
    - export GIT_BUILD_DIR="$WORKDIR/$${PKG_NAME}_$${GIT_VERSION}_all"
    - export GIT_DEB="$WORKDIR/$${PKG_NAME}_$${GIT_VERSION}_all.deb"

    - echo "--- Building git package"
    - pip install --prefix="$GIT_BUILD_DIR/usr" --no-cache --no-deps .
    - |
      find "$GIT_BUILD_DIR" -name "site-packages" | while read dir; do
        base="$(dirname "$dir")"
        mv "$dir" "$base/dist-packages"
      done

    - mkdir -p "$GIT_BUILD_DIR/DEBIAN"
    - |
      cat <<EOF > "$GIT_BUILD_DIR/DEBIAN/control"
      Package: $PKG_NAME
      Version: $GIT_VERSION
      Maintainer: Fabio Manganiello <fabio@platypush.tech>
      Depends: $(cat platypush/install/requirements/debian.txt | tr '\n' ',' | sed -re 's/,$//' -e 's/,/, /g')
      Architecture: all
      Homepage: https://platypush.tech
      Description: Universal command executor and automation hub.
      EOF
    - dpkg --build "$GIT_BUILD_DIR"

    - echo "--- Pushing package to the S3 bucket"
    - aws s3 cp "$GIT_DEB" "$S3_URL/$DEB_VERSION/dev/all/"

###
### Updates the APT repository after new packages have been pushed
###

- name: update-apt-repo
  image: debian:stable
  privileged: true  # Required to use the FUSE module for s3fs
  environment:
    S3_BUCKET: platypush-pkg
    BUCKET_MNT: /mnt/s3
    MAX_PKG_PER_BRANCH: 10
    AWS_ENDPOINT_URL: https://s3.nl-ams.scw.cloud      
    AWS_ACCESS_KEY_ID:
      from_secret: aws_access_key_id
    AWS_SECRET_ACCESS_KEY:
      from_secret: aws_secret_access_key

  when:
    branch:
      - master
    event:
      - push

  depends_on:
    - update-debian-stable-packages
    - update-debian-oldstable-packages

  commands:
    - echo "-- Installing dependencies"
    - apt install -y s3fs

    - echo "-- Mounting the S3 bucket"
    - mkdir -p "$BUCKET_MNT"
    - s3fs "$S3_BUCKET" "$BUCKET_MNT" -o url="$AWS_ENDPOINT_URL"

    - echo "-- Cleaning up older apt releases"
    - |
      find "$BUCKET_MNT/apt/dists" -mindepth 3 -maxdepth 3 -type d | tail -n+2 | while read reldir; do
        let pkg_to_remove=($(ls "$reldir" | wc -l) - $MAX_PKG_PER_BRANCH)
        [ $pkg_to_remove -le 0 ] && break
        ls -rt "$reldir" | head -n$pkg_to_remove | xargs printf -- "$reldir/%s\n" | xargs rm -f
      done

###
### Updates the pip package upon new releases
###

- name: update-pip-package
  image: python:3.11-alpine
  environment:
    TWINE_USERNAME:
      from_secret: pypi_user
    TWINE_PASSWORD:
      from_secret: pypi_pass

  when:
    event:
      - tag

  depends_on:
    - tests
    - docs

  commands:
    - apk add --update --no-cache py3-twine
    - python setup.py sdist bdist_wheel
    - twine upload dist/platypush-$(python setup.py --version).tar.gz

###
### Checkpoint step that waits for all the package update
### steps to complete before proceeding to the next steps.
###

- name: wait-pkg-update
  image: alpine

  when:
    branch:
      - master
    event:
      - push
      - tag

  depends_on:
    - update-arch-packages
    - update-apt-repo

  commands:
    - echo "All packages have been successfully updated"

###
### Notifies about a new release
###

- name: notify-release
  image: python:3.11-alpine
  environment:
    WORKER_RPC_SECRET:
      from_secret: worker_rpc_secret

  when:
    event:
      - tag

  depends_on:
    - update-pip-package
    - wait-pkg-update

  commands:
    - apk add --update --no-cache curl
    - |
      curl --silent -XPOST \
        -H "X-Token: $WORKER_RPC_SECRET" \
        "https://worker.ci-cd.platypush.tech/hook/notify-platypush-release?version=$(python setup.py --version)"

###
### Notifies about a change in the CI/CD build status
###

- name: notify-build-status
  image: alpine
  environment:
    WORKER_RPC_SECRET:
      from_secret: worker_rpc_secret

  when:
    branch:
      - master
    event:
      - push
    status:
      - success
      - failure

  depends_on:
    - wait-pkg-update

  commands:
    - apk add --update --no-cache curl
    - |
      curl --silent -XPOST \
        -H "X-Token: $WORKER_RPC_SECRET" \
        "https://worker.ci-cd.platypush.tech/hook/notify-platypush-build?status=$DRONE_BUILD_STATUS"