package config

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestConfigCopy(t *testing.T) {
	config1 := New()

	config1.Version = 42
	config1.DB.Dir = "foo"

	val1, _ := config1.Get("version")
	val2, _ := config1.Get("db.dir")
	val3, _ := config1.Get("host.name")

	require.Equal(t, "42", val1)
	require.Equal(t, "foo", val2)
	require.Equal(t, "(empty)", val3)

	config1.Set("host.name", "foo.com")
	val3, _ = config1.Get("host.name")
	require.Equal(t, "foo.com", val3)

	config2 := config1.Clone()

	require.Equal(t, int64(42), config2.Version)
	require.Equal(t, "foo", config2.DB.Dir)
	require.Equal(t, []string{"foo.com"}, config2.Host.Name)

	config1.Set("version", "77")

	require.Equal(t, int64(77), config1.Version)
	require.Equal(t, int64(42), config2.Version)

	config1.Set("db.dir", "bar")

	require.Equal(t, "bar", config1.DB.Dir)
	require.Equal(t, "foo", config2.DB.Dir)

	config2.DB.Dir = "baz"

	require.Equal(t, "bar", config1.DB.Dir)
	require.Equal(t, "baz", config2.DB.Dir)

	config1.Host.Name[0] = "bar.com"

	require.Equal(t, []string{"bar.com"}, config1.Host.Name)
	require.Equal(t, []string{"foo.com"}, config2.Host.Name)
}