name: Checks

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Elixir
        run: curl -fsSO https://elixir-lang.org/install.sh && \
          chmod +x install.sh && \
          ./install.sh elixir@1.17.3 otp@27.1.2 && \
          installs_dir=$HOME/.elixir-install/installs && \
          export PATH=$installs_dir/otp/27.1.2/bin:$PATH && \
          export PATH=$installs_dir/elixir/1.17.3-otp-27/bin:$PATH

      - name: Install dependencies
        run: mix deps.get

      - name: Check formatting
        run: mix format --check-formatted

      - name: Run Credo
        run: mix credo --strict

      - name: Check for compiler warnings
        run: mix compile --warnings-as-errors

      - name: Run tests
        run: mix test

      - name: Check for unused dependencies
        run: mix deps.unlock --check-unused