name: publish

on:
  pull_request:
    branches: ["main"]
    types: [closed]

jobs:
  publish-to-site:
    name: Publish the document to the site
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    env:
      RCLONE_CONFIG_FTP_TYPE: ftp
      RCLONE_CONFIG_FTP_HOST: ${{ secrets.FTP_SERVER }}
      RCLONE_CONFIG_FTP_USER: ${{ secrets.FTP_USERNAME }}
      RCLONE_CONFIG_FTP_PASS: ${{ secrets.FTP_PASSWORD }}
      RCLONE_CONFIG_FTP_TLS: false
      RCLONE_CONFIG_FTP_EXPLICIT_TLS: true
      FTP_SERVER_DIR: ${{ secrets.FTP_SERVER_DIR }}
    steps:
      - name: Checkout merge-commit
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.merge_commit_sha }}
          fetch-depth: 2
      - name: Upload files to the site
        run: |
          sudo -v ; curl https://rclone.org/install.sh | sudo bash

          options='-v'
          git diff ${{ github.event.pull_request.merge_commit_sha }}^ --name-status | {
            while read line; do
              set $line
              case $1 in
                R*)
                  echo "[RENAME] $2 -> $3"
                  echo "> deletefile ftp:${FTP_SERVER_DIR}$2"
                  rclone deletefile ftp:${FTP_SERVER_DIR}$2 $options

                  echo "> copyto ./$3 ftp:${FTP_SERVER_DIR}$3"
                  rclone copyto ./$3 ftp:${FTP_SERVER_DIR}$3 $options

                  echo "> rmdir ftp:${FTP_SERVER_DIR}${2%/*}"
                  rclone rmdir ftp:${FTP_SERVER_DIR}${2%/*} $options
                  ;;
                M)
                  echo "[MODIFY] $2"
                  echo "> copyto ./$2 ftp:${FTP_SERVER_DIR}$2"
                  rclone copyto ./$2 ftp:${FTP_SERVER_DIR}$2 $options
                  ;;
                D)
                  echo "[DELETE] $2"
                  echo "> deletefile ftp:${FTP_SERVER_DIR}$2"
                  rclone deletefile ftp:${FTP_SERVER_DIR}$2 $options

                  echo "> rmdir ftp:${FTP_SERVER_DIR}${2%/*}"
                  rclone rmdir ftp:${FTP_SERVER_DIR}${2%/*} $options
                  ;;
                A)
                  echo "[ADD]    $2"
                  echo "> copyto ./$2 ftp:${FTP_SERVER_DIR}$2"
                  rclone copyto ./$2 ftp:${FTP_SERVER_DIR}$2 $options
                  ;;
              esac
            done
          }