package pack

import (
	"testing"

	"github.com/stretchr/testify/assert"

	"edge-infra.dev/pkg/f8n/warehouse/lift"
)

var (
	dummyInfraCfg = lift.CapabilityConfig{
		Package: "fake/infra-package",
		ResourceMatcher: lift.ResourceMatcher{
			APIGroups: []string{"fake.apigroup.u"},
		},
	}
)

func TestMergeConfig(t *testing.T) {
	tcs := map[string]struct {
		src lift.Config
		dst lift.Config
		exp lift.Config
	}{
		"destination is preserved if source is empty": {
			src: lift.Config{},
			dst: lift.Config{Infrastructure: dummyInfraCfg},
			exp: lift.Config{Infrastructure: dummyInfraCfg},
		},
		"source overrides destination": {
			src: lift.Config{Infrastructure: lift.CapabilityConfig{
				Package:         "fake/alternative-infra-package",
				ResourceMatcher: lift.ResourceMatcher{},
			}},
			dst: lift.Config{Infrastructure: dummyInfraCfg},
			exp: lift.Config{Infrastructure: lift.CapabilityConfig{
				Package:         "fake/alternative-infra-package",
				ResourceMatcher: lift.ResourceMatcher{},
			}},
		},
	}

	for name, tc := range tcs {
		t.Run(name, func(t *testing.T) {
			actual, _ := mergeCfg(tc.src, tc.dst)
			assert.Equal(t, tc.exp, actual)
		})
	}
}