name: Auto Label Issues

on:
  issues:
    types:
      - opened
      - edited

jobs:
  auto-label:
    if: ${{ github.event.issue.body && contains(github.event.issue.body, '### Plugin') }}
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Extract the severity from issue body
        id: extract-severity
        run: |
          USER_SELECTED_SEVERITY=$(echo "${{ github.event.issue.body }}" | grep "### Severity" -A 2 | tail -n 1 | sed 's/[[:space:]]*$//')
          SELECTED_SEVERITY=""

          case "$USER_SELECTED_SEVERITY" in
              "Wrong formatting"|"Wrong content"|"Missing chapter"|"Missing images"|"Can't load novels")
                  SELECTED_SEVERITY="$USER_SELECTED_SEVERITY"
                  ;;
              *)
                  SELECTED_SEVERITY="Other"
                  ;;
          esac
          echo "SELECTED_SEVERITY=$SELECTED_SEVERITY" >> $GITHUB_ENV

      - name: Extract the plugin from issue body
        id: parse-issue
        run: |          
          SELECTED_PLUGIN=$(echo "${{ github.event.issue.body }}" | grep "### Plugin" -A 2 | tail -n 1 | sed 's/[[:space:]]*$//')
          
          echo "SELECTED_PLUGIN=$SELECTED_PLUGIN" >> $GITHUB_ENV

      - name: Determine corresponding label
        id: determine-label
        run: |
          LABELS="$( jq --arg keys "${{ env.SELECTED_PLUGIN }}" '. as $data | $keys | split(", ") as $keyList | $keyList[] | . as $key | if $data[$key] != null then "\($key)[\($data[$key])]" else empty end' ./.github/scripts/keys.json | sed 's/"//g' | sed 's/^[^:]*: //' )"

          # Add "Plugin: " in front of each label
          LABELS_WITH_PREFIX="$(echo "$LABELS" | sed 's/^/Plugin: /')"

          # Save to GitHub environment
          printf "LABELS<<EOF\n%s\nEOF\n" "$LABELS_WITH_PREFIX" >> $GITHUB_ENV


      - name: Add label to the issue
        if: env.LABELS != ''
        uses: actions-ecosystem/action-add-labels@v1
        with:
          labels: |
            BUG
            Severity: ${{ env.SELECTED_SEVERITY }}
            ${{ env.LABELS }}

      - name: Handle missing label
        if: env.LABELS == ''
        run: echo "No matching label found for the selected plugin."