name: "Test ED template"
on:
  workflow_dispatch: # allows manual triggering
  push:
    paths:
      - 'templates/ed/flake.lock'
      - 'templates/ed/**/*.nix'
      - '.github/workflows/check_ed.yml'
  pull_request:
    paths:
      - 'templates/ed/flake.lock'
      - 'templates/ed/**/*.nix'
      - '.github/workflows/check_ed.yml'
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
permissions:
  contents: read
jobs:
  tests:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
    steps:
    - uses: actions/checkout@v6
    - uses: wimpysworld/nothing-but-nix@main
      with:
        hatchet-protocol: 'carve'
    - uses: cachix/install-nix-action@v31
      with:
        github_access_token: ${{ secrets.GITHUB_TOKEN }}
    - uses: cachix/cachix-action@v16
      with:
        name: rde
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
        extraPullNames: rstats-on-nix, nix-community
    
    # Build and basic checks
    - name: Build template
      run: nix build ./templates/ed
    - name: Run flake check
      run: nix flake check ./templates/ed
    
    # Test development shell functionality
    - name: Test dev shell enters successfully
      run: |
        cd templates/ed
        nix develop --command bash -c "echo 'Dev shell works'"
    
    # Test Neovim functionality (custom binary name: vv)
    - name: Test vv command is available
      run: |
        cd templates/ed
        nix develop --command bash -c "which vv"
    
    - name: Test vv launches in headless mode
      run: |
        cd templates/ed
        nix develop --command bash -c "vv --headless --version"
    
    # Test utility commands
    - name: Test updateR command is available
      run: |
        cd templates/ed
        nix develop --command bash -c "which updateR"
    
    # Test extra packages
    - name: Test cowsay is available
      run: |
        cd templates/ed
        nix develop --command bash -c "which cowsay"
    
    - name: Test cowsay works
      run: |
        cd templates/ed
        nix develop --command bash -c "cowsay 'ED template test'"
    
    # Test that package is built correctly
    - name: Test default package can be run
      run: |
        cd templates/ed
        nix run . -- --headless --version
    
    # Test Neovim configuration
    - name: Test mini-notify plugin loads
      run: |
        cd templates/ed
        # Check that the welcome notification config is present
        nix develop --command bash -c "vv --headless -c 'lua print(vim.inspect(require(\"mini.notify\")))' -c 'quit' 2>&1 | grep -q 'table'"
  
  test-with-python:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v6
    - uses: wimpysworld/nothing-but-nix@main
      with:
        hatchet-protocol: 'carve'
    - uses: cachix/install-nix-action@v31
      with:
        github_access_token: ${{ secrets.GITHUB_TOKEN }}
    - uses: cachix/cachix-action@v16
      with:
        name: rde
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
        extraPullNames: rstats-on-nix, nix-community
    
    # Create a temporary directory with Python enabled
    - name: Setup test directory with Python enabled
      run: |
        TEST_DIR=$(mktemp -d)
        cp -r templates/ed/. "$TEST_DIR/"
        cd "$TEST_DIR"
        # Enable Python in the config
        sed -i 's/python[[:space:]]*=[[:space:]]*false;/python = true;/' flake.nix
        # Verify the change was successful
        grep -q "python[[:space:]]*=[[:space:]]*true;" flake.nix || {
          echo "Error: Failed to enable Python in flake.nix"
          exit 1
        }
        echo "TEST_PYTHON_DIR=$TEST_DIR" >> $GITHUB_ENV
    
    - name: Build with Python enabled
      run: |
        cd "$TEST_PYTHON_DIR"
        nix build
    
    - name: Test Python packages are available
      run: |
        cd "$TEST_PYTHON_DIR"
        nix develop --command bash -c "python3 -c 'import duckdb; import polars; print(\"Python packages loaded\")'"
    
    - name: Test Python can execute code
      run: |
        cd "$TEST_PYTHON_DIR"
        nix develop --command bash -c "python3 -c 'print(1+1)'"
  
  test-with-r:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v6
    - uses: wimpysworld/nothing-but-nix@main
      with:
        hatchet-protocol: 'carve'
    - uses: cachix/install-nix-action@v31
      with:
        github_access_token: ${{ secrets.GITHUB_TOKEN }}
    - uses: cachix/cachix-action@v16
      with:
        name: rde
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
        extraPullNames: rstats-on-nix, nix-community
    
    # Create a temporary directory with R enabled
    - name: Setup test directory with R enabled
      run: |
        TEST_DIR=$(mktemp -d)
        cp -r templates/ed/. "$TEST_DIR/"
        cd "$TEST_DIR"
        # Enable R in the config
        sed -i 's/r[[:space:]]*=[[:space:]]*false;/r = true;/' flake.nix
        # Verify the change was successful
        grep -q "r[[:space:]]*=[[:space:]]*true;" flake.nix || {
          echo "Error: Failed to enable R in flake.nix"
          exit 1
        }
        echo "TEST_R_DIR=$TEST_DIR" >> $GITHUB_ENV
    
    - name: Build with R enabled
      run: |
        cd "$TEST_R_DIR"
        nix build
    
    - name: Test R launches
      run: |
        cd "$TEST_R_DIR"
        nix develop --command bash -c "R --version"
    
    - name: Test R packages are available
      run: |
        cd "$TEST_R_DIR"
        nix develop --command bash -c "R -e 'library(fixest); print(\"R package fixest loaded\")'"
    
    - name: Test R can execute code
      run: |
        cd "$TEST_R_DIR"
        nix develop --command bash -c "R -e 'print(1+1)'"
  
  test-with-julia:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v6
    - uses: wimpysworld/nothing-but-nix@main
      with:
        hatchet-protocol: 'carve'
    - uses: cachix/install-nix-action@v31
      with:
        github_access_token: ${{ secrets.GITHUB_TOKEN }}
    - uses: cachix/cachix-action@v16
      with:
        name: rde
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
        extraPullNames: rstats-on-nix, nix-community
    
    # Create a temporary directory with Julia enabled
    - name: Setup test directory with Julia enabled
      run: |
        TEST_DIR=$(mktemp -d)
        cp -r templates/ed/. "$TEST_DIR/"
        cd "$TEST_DIR"
        # Enable Julia in the config
        sed -i 's/julia[[:space:]]*=[[:space:]]*false;/julia = true;/' flake.nix
        # Verify the change was successful
        grep -q "julia[[:space:]]*=[[:space:]]*true;" flake.nix || {
          echo "Error: Failed to enable Julia in flake.nix"
          exit 1
        }
        echo "TEST_JULIA_DIR=$TEST_DIR" >> $GITHUB_ENV
    
    - name: Build with Julia enabled
      run: |
        cd "$TEST_JULIA_DIR"
        nix build
    
    - name: Test Julia launches
      run: |
        cd "$TEST_JULIA_DIR"
        nix develop --command bash -c "julia --version"
    
    - name: Test Julia can execute code
      run: |
        cd "$TEST_JULIA_DIR"
        nix develop --command bash -c "julia -e 'println(1+1)'"
  
  test-with-multiple-languages:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v6
    - uses: wimpysworld/nothing-but-nix@main
      with:
        hatchet-protocol: 'carve'
    - uses: cachix/install-nix-action@v31
      with:
        github_access_token: ${{ secrets.GITHUB_TOKEN }}
    - uses: cachix/cachix-action@v16
      with:
        name: rde
        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
        extraPullNames: rstats-on-nix, nix-community
    
    # Create a temporary directory with multiple languages enabled
    - name: Setup test directory with all languages enabled
      run: |
        TEST_DIR=$(mktemp -d)
        cp -r templates/ed/. "$TEST_DIR/"
        cd "$TEST_DIR"
        # Enable all languages in the config
        sed -i 's/python[[:space:]]*=[[:space:]]*false;/python = true;/' flake.nix
        sed -i 's/r[[:space:]]*=[[:space:]]*false;/r = true;/' flake.nix
        sed -i 's/julia[[:space:]]*=[[:space:]]*false;/julia = true;/' flake.nix
        # Verify the changes were successful
        grep -q "python[[:space:]]*=[[:space:]]*true;" flake.nix || exit 1
        grep -q "r[[:space:]]*=[[:space:]]*true;" flake.nix || exit 1
        grep -q "julia[[:space:]]*=[[:space:]]*true;" flake.nix || exit 1
        echo "TEST_MULTI_DIR=$TEST_DIR" >> $GITHUB_ENV
    
    - name: Build with all languages enabled
      run: |
        cd "$TEST_MULTI_DIR"
        nix build
    
    - name: Test all languages work together
      run: |
        cd "$TEST_MULTI_DIR"
        nix develop --command bash -c "python3 --version && R --version && julia --version"
    
    - name: Test all language packages are available
      run: |
        cd "$TEST_MULTI_DIR"
        nix develop --command bash -c "python3 -c 'import duckdb' && R -e 'library(fixest)' && julia -e 'using StatsBase'"