name: Lint

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master
  merge_group: {}

jobs:
  formatting:
    name: 📝 Formatting
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Get Package Dependencies
        run: |
          sudo apt update
          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
          sudo add-apt-repository 'deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main'
          sudo apt install clang-format-18
          clang-format-18 -version

      - name: Check Clang-Formatting
        run: |
          chmod +x ./third-party/run-clang-format/run-clang-format.py
          ./third-party/run-clang-format/run-clang-format.py -r common decompiler game goalc test tools lsp --color always --clang-format-executable $(which clang-format-18)

  required-checks:
    name: 📝 Required Checks
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Check for Trailing Whitespace in goal_src
        run: python ./scripts/ci/lint-trailing-whitespace.py

      - name: Check for Unresolved Conflicts
        run: python ./scripts/gsrc/check-for-conflicts.py

      - name: Check for Incorrect Asserts
        run: python ./scripts/ci/check-for-asserts.py

      - name: Check for Invalid Translation Characters
        run: |
          python ./scripts/ci/lint-characters.py
          python ./scripts/ci/lint-autoglottonyms.py

  optional-checks:
    name: 📝 Optional Checks
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Python Dependencies
        run: pip install unidiff colorama

      - name: Check for Removed goal_src/ Code
        # FYI - if you run this `git diff` on windows, it creates a utf-16 LE file
        run: |
          git fetch origin master
          git diff origin/master > lint-changes.diff
          python ./scripts/ci/lint-gsrc-removals.py