name: CI

on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:17
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 5s
          --health-timeout 5s
          --health-retries 10

    env:
      MIX_ENV: test

    steps:
      - uses: actions/checkout@v4

      - uses: erlef/setup-beam@v1
        with:
          elixir-version: "1.19"
          otp-version: "27"

      - name: Cache deps
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-mix-${{ hashFiles('mix.lock') }}
          restore-keys: ${{ runner.os }}-mix-

      - name: Install dependencies
        run: mix deps.get

      - name: Compile (warnings as errors)
        run: mix compile --warnings-as-errors

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

      - name: Run tests
        run: mix test

      - name: Validate manifest
        run: |
          elixir -e '
            manifest = "manifest.json" |> File.read!() |> Jason.decode!()
            required = ["name", "version", "entry_module", "host_api", "provides", "requires"]
            missing = Enum.filter(required, &(not Map.has_key?(manifest, &1)))
            if missing != [] do
              IO.puts(:stderr, "Missing manifest fields: #{inspect(missing)}")
              System.halt(1)
            end
            IO.puts("Plugin: #{manifest["name"]} v#{manifest["version"]}")
          '