package ini

import (
	"testing"

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

func TestBOM(t *testing.T) {
	t.Run("test handling BOM", func(t *testing.T) {
		t.Run("UTF-8-BOM", func(t *testing.T) {
			f, err := Load("testdata/UTF-8-BOM.ini")
			require.NoError(t, err)
			require.NotNil(t, f)

			assert.Equal(t, "example@email.com", f.Section("author").Key("E-MAIL").String())
		})

		t.Run("UTF-16-LE-BOM", func(t *testing.T) {
			f, err := Load("testdata/UTF-16-LE-BOM.ini")
			require.NoError(t, err)
			require.NotNil(t, f)
		})

		t.Run("UTF-16-BE-BOM", func(t *testing.T) {
		})
	})
}

func TestBadLoad(t *testing.T) {
	t.Run("load with bad data", func(t *testing.T) {
		t.Run("bad section name", func(t *testing.T) {
			_, err := Load([]byte("[]"))
			require.Error(t, err)

			_, err = Load([]byte("["))
			require.Error(t, err)
		})

		t.Run("bad keys", func(t *testing.T) {
			_, err := Load([]byte(`"""name`))
			require.Error(t, err)

			_, err = Load([]byte(`"""name"""`))
			require.Error(t, err)

			_, err = Load([]byte(`""=1`))
			require.Error(t, err)

			_, err = Load([]byte(`=`))
			require.Error(t, err)

			_, err = Load([]byte(`name`))
			require.Error(t, err)
		})

		t.Run("bad values", func(t *testing.T) {
			_, err := Load([]byte(`name="""Unknwon`))
			require.Error(t, err)
		})
	})
}