name: Test Suite

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

jobs:
  test:
    runs-on: nixos
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v3
    
    - name: Build NixOS VM
      run: |
        # Build the VM purely via the flake input nixpkgs (no host channels / no <nixpkgs> path)
        nix build .#nixosConfigurations.test-vm.config.system.build.vm -o vm-result
    
    - name: Start VM
      run: |
        # Find the VM run script (name may vary)
        VM_SCRIPT=$(find vm-result/bin -name "run-*-vm" -type f | head -1)
        if [ -z "$VM_SCRIPT" ]; then
          echo "VM script not found in vm-result/bin"
          ls -la vm-result/bin/
          exit 1
        fi
        echo "Starting VM with script: $VM_SCRIPT"
        
        # Start VM in background
        # The VM will expose SSH on port 2222
        $VM_SCRIPT > vm.log 2>&1 &
        VM_PID=$!
        echo "VM_PID=$VM_PID" >> $GITHUB_ENV
        
        # Wait for VM to boot and SSH to be available
        echo "Waiting for VM to boot..."
        for i in {1..120}; do
          if ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=2 \
             -p 2222 root@127.0.0.1 "echo 'VM is ready'" 2>/dev/null; then
            echo "VM is ready!"
            break
          fi
          if [ $i -eq 120 ]; then
            echo "VM failed to start after 4 minutes"
            echo "VM log:"
            tail -100 vm.log
            exit 1
          fi
          sleep 2
        done
    
    - name: Copy code to VM
      run: |
        # Copy the entire repository to the VM
        SSH_OPTS="-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p 2222"
        ssh $SSH_OPTS root@127.0.0.1 "mkdir -p /tmp/moviemap"
        
        # Use tar to copy files (more reliable than rsync in CI)
        tar --exclude='.git' \
            --exclude='node_modules' \
            --exclude='__pycache__' \
            --exclude='*.pyc' \
            --exclude='.pytest_cache' \
            --exclude='dist' \
            --exclude='vm-result' \
            -czf - . | ssh $SSH_OPTS root@127.0.0.1 "cd /tmp/moviemap && tar -xzf -"
    
    - name: Run all tests in VM
      run: |
        # Execute the test script inside the VM
        SSH_OPTS="-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p 2222"
        ssh $SSH_OPTS root@127.0.0.1 "bash /tmp/moviemap/scripts/run-tests-in-vm.sh"
    
    - name: Stop VM
      if: always()
      run: |
        if [ ! -z "$VM_PID" ]; then
          kill $VM_PID || true
          wait $VM_PID 2>/dev/null || true
        fi
        # Also try to kill any remaining QEMU processes
        pkill -f "moviemap-test-vm" || true