name: Haskell CI
on:
  pull_request:
    branches:
      - dev
      - main
  push:
    branches:
      - main

jobs:
  build:
    runs-on: docker
    container:
      image: ubuntu:22.04  # Use Ubuntu base and install via ghcup like your local setup
    steps:
      - name: Checkout code
        uses: https://github.com/actions/checkout@v4

      - name: Install dependencies
        run: |
          apt-get update
          apt-get install -y curl build-essential libffi-dev libgmp-dev zlib1g-dev

      - name: Install GHCup
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh
          echo "source ~/.ghcup/env" >> ~/.bashrc

      - name: Install GHC and Cabal (matching local versions)
        run: |
          source ~/.ghcup/env
          ghcup install ghc 9.10.2 --set
          ghcup install cabal 3.14.2.0 --set

      - name: Cache Cabal packages
        uses: https://github.com/actions/cache@v4
        with:
          path: |
            ~/.cabal/packages
            ~/.cabal/store
            dist-newstyle
          key: ${{ runner.os }}-ghc-9.10.2-cabal-${{ hashFiles('**/*.cabal', '**/cabal.project') }}
          restore-keys: |
            ${{ runner.os }}-ghc-9.10.2-cabal-

      - name: Update Cabal package index
        run: |
          source ~/.ghcup/env
          cabal update

      - name: Configure project
        run: |
          source ~/.ghcup/env
          cabal configure --enable-tests --enable-benchmarks

      - name: Build dependencies
        run: |
          source ~/.ghcup/env
          cabal build --only-dependencies --enable-tests --enable-benchmarks

      - name: Build project
        run: |
          source ~/.ghcup/env
          cabal build --enable-tests --enable-benchmarks

      - name: Run tests
        run: |
          source ~/.ghcup/env
          cabal test --test-show-details=direct

      - name: Run documentation build
        run: |
          source ~/.ghcup/env
          cabal haddock