package platform

import (
	"runtime"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"go.step.sm/crypto/kms/uri"
)

func Test_transformToTPMKMS(t *testing.T) {
	fixWindowsURI := func(s string) string {
		if runtime.GOOS != "windows" {
			return s
		}

		u, err := uri.Parse(s)
		require.NoError(t, err)
		u.Set("skip-find-certificate-key", "true")
		return u.String()
	}

	tests := []struct {
		name      string
		rawuri    string
		want      string
		assertion assert.ErrorAssertionFunc
	}{
		{"scheme", "kms:", fixWindowsURI("tpmkms:"), assert.NoError},
		{"with name", "kms:name=foo", fixWindowsURI("tpmkms:name=foo"), assert.NoError},
		{"with ak", "kms:name=foo;ak=true", fixWindowsURI("tpmkms:ak=true;name=foo"), assert.NoError},
		{"with ak in query", "kms:name=foo?ak=true", fixWindowsURI("tpmkms:ak=true;name=foo"), assert.NoError},
		{"with ak false", "kms:ak=false", fixWindowsURI("tpmkms:ak=false"), assert.NoError},
		{"with extrasValues", "kms:name=foo;foo=bar?baz=qux", fixWindowsURI("tpmkms:baz=qux;foo=bar;name=foo"), assert.NoError},
		{"without hw", "kms:name=foo;hw=true", fixWindowsURI("tpmkms:name=foo"), assert.NoError},
		{"fail parse", "mackms:name=foo", "", assert.Error},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := transformToTPMKMS(tt.rawuri)
			tt.assertion(t, err)
			assert.Equal(t, tt.want, got)
		})
	}
}

func Test_transformFromTPMKMS(t *testing.T) {
	tests := []struct {
		name      string
		rawuri    string
		want      string
		assertion assert.ErrorAssertionFunc
	}{
		{"scheme", "tpmkms:", "kms:", assert.NoError},
		{"with label", "tpmkms:name=foo", "kms:name=foo", assert.NoError},
		{"with ak", "tpmkms:name=foo;ak=true", "kms:ak=true;name=foo", assert.NoError},
		{"with ak on query", "tpmkms:name=foo?ak=true", "kms:ak=true;name=foo", assert.NoError},
		{"with ak false", "tpmkms:ak=false;name=foo", "kms:ak=false;name=foo", assert.NoError},
		{"fail empty", "", "", assert.Error},
		{"fail scheme", "kms:", "", assert.Error},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := transformFromTPMKMS(tt.rawuri)
			tt.assertion(t, err)
			assert.Equal(t, tt.want, got)
		})
	}
}