name: Update ABP Studio Docs

on:
  repository_dispatch:
    types: [update_studio_docs]

jobs:
  update-docs:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
      models: read

    steps:
      # -----------------------------
      # Validate payload (safe)
      # -----------------------------
      - name: Validate payload
        run: |
          required_keys=(version name notes url target_branch)
          for key in "${required_keys[@]}"; do
            value="$(jq -r --arg k "$key" '.client_payload[$k] // ""' "$GITHUB_EVENT_PATH")"
            if [ -z "$value" ] || [ "$value" = "null" ]; then
              echo "Missing payload field: $key"
              exit 1
            fi
          done

      # -----------------------------
      # Checkout target branch
      # -----------------------------
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.client_payload.target_branch }}
          fetch-depth: 0

      - name: Configure git
        run: |
          git config user.name "docs-bot"
          git config user.email "docs-bot@users.noreply.github.com"

      # -----------------------------
      # Create working branch
      # -----------------------------
      - name: Create branch
        run: |
          VERSION="${{ github.event.client_payload.version }}"
          BRANCH="docs/studio-${VERSION}"
          git checkout -B "$BRANCH"
          echo "BRANCH=$BRANCH" >> $GITHUB_ENV

      # -----------------------------
      # Prepare raw release notes
      # -----------------------------
      - name: Save raw release notes
        run: |
          mkdir -p .tmp
          jq -r '.client_payload.notes' "$GITHUB_EVENT_PATH" > .tmp/raw-notes.txt

      # -----------------------------
      # Try AI formatting (optional)
      # -----------------------------
      - name: Generate release notes with AI (optional)
        id: ai
        continue-on-error: true
        uses: actions/ai-inference@v1
        with:
          model: openai/gpt-4.1
          prompt: |
            You are a technical writer.

            Convert the following release notes into concise, user-facing bullet points.
            Rules:
            - Use "-" bullets
            - Keep it short and clear
            - Skip internal / irrelevant details

            Release notes:
            ${{ github.event.client_payload.notes }}

      # -----------------------------
      # Decide final notes (AI or fallback)
      # -----------------------------
      - name: Decide final release notes
        run: |
          if [ -n "${{ steps.ai.outputs.response }}" ]; then
            echo "Using AI-formatted release notes"
            echo "${{ steps.ai.outputs.response }}" > .tmp/final-notes.txt
          else
            echo "AI unavailable – using raw release notes"
            sed 's/^/- /' .tmp/raw-notes.txt > .tmp/final-notes.txt
          fi

      # -----------------------------
      # Update release-notes.md
      # -----------------------------
      - name: Update release-notes.md
        run: |
          FILE="docs/en/studio/release-notes.md"
          VERSION="${{ github.event.client_payload.version }}"
          NAME="${{ github.event.client_payload.name }}"
          URL="${{ github.event.client_payload.url }}"

          mkdir -p docs/en/studio
          touch "$FILE"

          if grep -q "## Version $VERSION" "$FILE"; then
            echo "Release notes already contain $VERSION, skipping"
            exit 0
          fi

          {
            echo "## Version $VERSION - $NAME"
            echo ""
            cat .tmp/final-notes.txt
            echo ""
            echo "[Release Link]($URL)"
            echo ""
            echo "---"
            echo ""
          } | cat - "$FILE" > "$FILE.new"

          mv "$FILE.new" "$FILE"

      # -----------------------------
      # Update version-mapping.md
      # -----------------------------
      - name: Update version-mapping.md
        run: |
          FILE="docs/en/studio/version-mapping.md"
          VERSION="${{ github.event.client_payload.version }}"

          mkdir -p docs/en/studio
          if [ ! -f "$FILE" ]; then
            echo "| Studio Version | ABP Version |" > "$FILE"
            echo "|---------------|-------------|" >> "$FILE"
          fi

          if ! grep -q "| $VERSION |" "$FILE"; then
            echo "| $VERSION | dev |" >> "$FILE"
          fi

      # -----------------------------
      # Check for changes
      # -----------------------------
      - name: Check for changes
        id: changes
        run: |
          git add docs/en/studio
          if git diff --cached --quiet; then
            echo "has_changes=false" >> $GITHUB_OUTPUT
          else
            echo "has_changes=true" >> $GITHUB_OUTPUT
          fi

      # -----------------------------
      # Commit & push
      # -----------------------------
      - name: Commit & push
        if: steps.changes.outputs.has_changes == 'true'
        run: |
          git commit -m "docs(studio): update docs for ${{ github.event.client_payload.version }}"
          git push -u origin "$BRANCH"

      # -----------------------------
      # Create PR
      # -----------------------------
      - name: Create PR
        if: steps.changes.outputs.has_changes == 'true'
        env:
          GH_TOKEN: ${{ secrets.BOT_SECRET }}
        run: |
          gh pr create \
            --title "docs(studio): release ${{ github.event.client_payload.version }}" \
            --body "Automated documentation update for ABP Studio." \
            --base "${{ github.event.client_payload.target_branch }}" \
            --head "$BRANCH"

      # -----------------------------
      # Enable auto-merge (branch protection safe)
      # -----------------------------
      - name: Enable auto-merge
        if: steps.changes.outputs.has_changes == 'true'
        env:
          GH_TOKEN: ${{ secrets.BOT_SECRET }}
        run: |
          gh pr merge "$BRANCH" --squash --auto --admin