name: Update Plugin (Empfang)

on:
  workflow_dispatch:
    inputs:
      payload:
        description: 'Base64-kodierter JSON-Payload'
        required: true

jobs:
  update-plugin:
    runs-on: alpine-latest
    defaults:
      run:
        shell: bash

    steps:
      - name: Abhängigkeiten installieren
        shell: sh
        run: |
          apk add --no-cache bash jq git

      - name: Repository klonen
        run: |
          git clone https://entwicklung.flurneuordnung-sachsen.de/AG_QGIS/Repository.git repo
          cd repo
          git checkout feature/release

      - name: Payload dekodieren
        id: payload
        run: |
          DECODED=$(echo "${{ github.event.inputs.payload }}" | base64 -d)

          echo "plugin=$(echo "$DECODED"      | jq -r '.plugin')"      >> $GITHUB_OUTPUT
          echo "version=$(echo "$DECODED"     | jq -r '.version')"     >> $GITHUB_OUTPUT
          echo "channel=$(echo "$DECODED"     | jq -r '.channel')"     >> $GITHUB_OUTPUT
          echo "description=$(echo "$DECODED" | jq -r '.description')" >> $GITHUB_OUTPUT
          echo "author=$(echo "$DECODED"      | jq -r '.author')"      >> $GITHUB_OUTPUT
          echo "email=$(echo "$DECODED"       | jq -r '.email')"       >> $GITHUB_OUTPUT
          echo "url=$(echo "$DECODED"         | jq -r '.url')"         >> $GITHUB_OUTPUT
          echo "changelog=$(echo "$DECODED"   | jq -r '.changelog')"   >> $GITHUB_OUTPUT

      - name: XML-Datei bestimmen
        id: xmlfile
        run: |
          case "${{ steps.payload.outputs.channel }}" in
            stable)   FILE="plugins.xml" ;;
            testing)  FILE="plugins-testing.xml" ;;
            unstable) FILE="plugins-unstable.xml" ;;
          esac
          echo "file=$FILE" >> $GITHUB_OUTPUT

      - name: XML-Datei initialisieren
        run: |
          cd repo
          FILE="${{ steps.xmlfile.outputs.file }}"
          if [ ! -s "$FILE" ]; then
            echo "<plugins></plugins>" > "$FILE"
          fi

      - name: Alten Plugin-Eintrag entfernen
        run: |
          cd repo
          FILE="${{ steps.xmlfile.outputs.file }}"
          PLUGIN="${{ steps.payload.outputs.plugin }}"

          # Entfernt den kompletten Plugin-Block
          sed -i "/<plugin name=\"${PLUGIN//\//\\/}\"/,/<\/plugin>/d" "$FILE"

      - name: Template anwenden und neue XML erzeugen
        run: |
          cd repo

          FILE="${{ steps.xmlfile.outputs.file }}"
          TEMPLATE="templates/plugin.template"

          # Template laden
          ENTRY=$(cat "$TEMPLATE")

          # Variablen ersetzen
          ENTRY="${ENTRY//\{\{PLUGIN\}\}/${{ steps.payload.outputs.plugin }}}"
          ENTRY="${ENTRY//\{\{VERSION\}\}/${{ steps.payload.outputs.version }}}"
          ENTRY="${ENTRY//\{\{DESCRIPTION\}\}/${{ steps.payload.outputs.description }}}"
          ENTRY="${ENTRY//\{\{AUTHOR\}\}/${{ steps.payload.outputs.author }}}"
          ENTRY="${ENTRY//\{\{EMAIL\}\}/${{ steps.payload.outputs.email }}}"
          ENTRY="${ENTRY//\{\{URL\}\}/${{ steps.payload.outputs.url }}}"
          ENTRY="${ENTRY//\{\{CHANGELOG\}\}/${{ steps.payload.outputs.changelog }}}"

          # Neue Datei erzeugen
          {
            # Alles vor </plugins>
            sed '/<\/plugins>/q' "$FILE"

            # Neuen Eintrag einfügen
            printf "%s\n" "$ENTRY"

            # </plugins> wieder anhängen
            echo "</plugins>"
          } > new.xml

          mv new.xml "$FILE"

      - name: Commit & Push
        run: |
          cd repo

          git config user.name "Release Bot"
          git config user.email "release-bot@noreply.localhost"

          git add .

          # Commit nur, wenn Änderungen vorhanden sind
          if ! git diff --cached --quiet; then
            git commit -m "Update ${{ steps.payload.outputs.plugin }} ${{ steps.payload.outputs.version }} (${{ steps.payload.outputs.channel }})"
          else
            echo "Keine Änderungen – kein Commit notwendig."
            exit 0
          fi

          # Token in die URL einbauen
          git remote set-url origin "https://${{ secrets.RELEASE_TOKEN }}:@entwicklung.flurneuordnung-sachsen.de/AG_QGIS/Repository.git"

          git push origin feature/release