name: Pre-commit

on:
  push:
    branches:
      - main
      - develop
    paths:
      - '.github/workflows/**'
      - 'scripts/**'
      - 'images/**'
      - 'apps.json'
  pull_request:
    branches:
      - main
      - develop
    paths:
      - '.github/workflows/**'
      - 'scripts/**'
      - 'images/**'
      - 'apps.json'
  workflow_dispatch: {}

jobs:
  pre-commit:
    if: ${{ !contains(github.event.pull_request.title, '[pre-commit-fix]') && !contains(github.event.pull_request.body, '[pre-commit-fix]') }}
    runs-on: ubuntu-latest

    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: 3.x

      - name: Install pre-commit
        run: pip install pre-commit

      - name: Cache pre-commit hooks
        uses: actions/cache@v4
        with:
          path: ~/.cache/pre-commit
          key: pre-commit-${{ runner.os }}-${{ hashFiles('.pre-commit-config.yaml') }}
          restore-keys: |
            pre-commit-${{ runner.os }}-

      - name: Run pre-commit (autofix on changed files)
        id: precommit
        continue-on-error: true
        run: |
          pre-commit run --from-ref origin/main --to-ref HEAD

      - name: Install jq
        run: sudo apt-get install -y jq

      - name: Push fixes back to PR
        if: steps.precommit.outcome == 'failure'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add .

          # Read the mapping file
          map_file="msg-map.json"
          default_message="chore: [pre-commit-fix] Apply pre-commit auto-fixes"
          message="$default_message"

          # Dynamically determine the commit message based on changed files
          changed_files=$(git diff --cached --name-only)
          for file in $changed_files; do
              ext="${file##*.}"
              ext=".$ext"
              mapped_message=$(jq -r --arg ext "$ext" '.[$ext] // empty' "$map_file")
              if [ -n "$mapped_message" ]; then
                  message="$mapped_message"
                  break
              fi
          done

          git commit -m "$message"
          git push

  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.10.6"

      - name: Setup Go (for shfmt)
        uses: actions/setup-go@v5
        with:
          go-version: "^1.14"

      - name: Install pre-commit
        run: pip install -U pre-commit

      - name: Lint
        run: pre-commit run --color=always --all-files
        env:
          GO111MODULE: on