name: Checks

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

jobs:
  check:
    runs-on: ubuntu-latest

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

      - uses: erlef/setup-beam@v1
        env:
          ImageOS: ubuntu24
        with:
          otp-version: "25"
          elixir-version: "1.17.3"
          install-rebar: false

      - 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