name: Crowdin Download Action

permissions:
  contents: write
  pull-requests: write

on:
  workflow_dispatch:
    inputs:
      localization_branch_name:
        description: 'The branch to create for the translations PR.'
        required: true
        default: 'crowdin/translations'
      pull_request_base_branch:
        description: 'The base branch for the pull request.'
        required: true
        default: 'dev'

jobs:
  download-translations:
    runs-on: ubuntu-latest
    steps:
      # Checkout the BASE branch first. The PR branch will be created later.
      - name: Checkout Base Branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.pull_request_base_branch }}

      - name: Configure Git User
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Synchronize with Crowdin (Download Only)
        uses: crowdin/github-action@v2
        with:
          upload_sources: false
          upload_translations: false
          download_translations: true
          create_pull_request: false
          localization_branch_name: ${{ github.event.inputs.localization_branch_name }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_PROJECT_ID }}
          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}

  rename-files:
    needs: download-translations
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Localization Branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.localization_branch_name }}

      - name: Configure Git User
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Rename JSON Files to Lowercase
        env:
          TARGET_DIR: "src/main/resources/assets/sit-oth3r/lang/"
        run: |
          echo "Starting renaming process for JSON files within $TARGET_DIR..."
          if [ ! -d "$TARGET_DIR" ]; then
            echo "Warning: Target directory '\$TARGET_DIR' does not exist. Skipping rename."
            exit 0
          fi

          find "$TARGET_DIR" -type f -name '*[A-Z]*.json' | while IFS= read -r file; do
            original_path="$file"
            dir_name=$(dirname "$original_path")
            base_name=$(basename "$original_path")
            new_base_name=$(echo "$base_name" | tr '[:upper:]' '[:lower:]')
            new_path="$dir_name/$new_base_name"

            # Only attempt to rename if the new path is different (case-sensitive)
            if [ "$original_path" != "$new_path" ]; then
              echo "Attempting to rename '$original_path' to '$new_path'"

              # Check if the lowercase version already exists and is a different file
              if [ -f "$new_path" ] && [ ! "$original_path" -ef "$new_path" ]; then
                echo "Conflict: Lowercase file '$new_path' exists and is different from '$original_path'."
                echo "Deleting '$new_path' to allow renaming of '$original_path'."
                git rm --cached "$new_path" # Remove from Git index, keep local copy
                rm "$new_path"
              fi
          
              # Perform the two-step rename to handle case-only changes reliably
              temp_rename_path="${original_path}.temp_rename_action" # Use a distinct temp name

              if git mv "$original_path" "$temp_rename_path"; then
                echo "  Successfully moved to temporary: '$temp_rename_path'"
                if git mv "$temp_rename_path" "$new_path"; then
                  echo "  Successfully renamed '$original_path' to '$new_path'."
                else
                  echo "Error: Failed to move temporary file '$temp_rename_path' to '$new_path'."
                  git mv "$temp_rename_path" "$original_path" # Revert if second move fails
                  exit 1
                fi
              else
                echo "Error: Failed to move '$original_path' to temporary path '$temp_rename_path'."
                exit 1
              fi
            else
              echo "Skipping: '$original_path' is already lowercase or does not require renaming."
            fi
          done

          echo "JSON file renaming complete."

      - name: Commit Renamed Files
        run: |
          echo "Committing renamed files..."
          git add -A
          git commit -m "Rename JSON translation files to lowercase for consistency"
          echo "Renames committed."

      - name: Push Changes to Localization Branch
        run: |
          echo "Pushing combined changes to ${{ github.event.inputs.localization_branch_name }}..."
          git push origin ${{ github.event.inputs.localization_branch_name }}

  create-pr:
    needs: [ download-translations, rename-files ]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.localization_branch_name }}

      - name: Set up Git config
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"

      - name: Install GitHub CLI
        run: sudo apt-get install gh -y

      - name: Authenticate GitHub CLI
        run: echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token

      - name: Create Pull Request
        run: |
          gh pr create \
            --title "Update translations from Crowdin" \
            --body "This PR includes:\n- New translations from Crowdin\n- Renamed translation files to lowercase" \
            --head ${{ github.event.inputs.localization_branch_name }} \
            --base ${{ github.event.inputs.pull_request_base_branch }} \
            --label "localization"