name: Shard CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - "*"
  schedule:
    - cron: "0 3 * * MON"

jobs:
  LintAndTest:
    strategy:
      fail-fast: false
      matrix:
        crystal_version:
          - 0.36.1
          - 1.0.0
          - 1.5.0
          - latest
        experimental: [false]
        include:
          - crystal_version: nightly
            experimental: true

    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.experimental }}

    steps:
      - uses: actions/checkout@v3

      - uses: crystal-lang/install-crystal@v1
        with:
          crystal: ${{ matrix.crystal_version }}

      - name: Check format
        run: crystal tool format --check
        if: matrix.crystal_version == 'latest'

      - name: Set up Crystal cache
        uses: actions/cache@v3
        id: crystal-cache
        with:
          path: |
            ~/.cache/crystal
            bin/ameba
            lib
          key: ${{ runner.os }}-crystal-${{ matrix.crystal_version }}-${{ hashFiles('**/shard.lock') }}
          restore-keys: |
            ${{ runner.os }}-crystal-${{ matrix.crystal_version }}

      - name: Install shards
        if: steps.crystal-cache.outputs.cache-hit != 'true'
        run: shards check || shards install --ignore-crystal-version

      - name: Crystal Ameba Linter
        run: ./bin/ameba
        if: matrix.crystal_version == 'latest'

      - name: Run tests
        run: crystal spec