package servicebus

import (
	"errors"
	"fmt"
	"reflect"
	"testing"

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

func TestErrMissingField_Error(t *testing.T) {
	const fieldName = "fieldName"
	var subject ErrMissingField = fieldName
	var cast error = subject

	got := cast.Error()
	const want = `missing value "` + fieldName + `"`

	if got != want {
		t.Logf("\n\tgot: \t%q\n\twant:\t%q", got, want)
		t.Fail()
	}
}

func TestErrIncorrectType_Error(t *testing.T) {
	var a int
	var b map[string]interface{}
	var c *float64

	types := map[reflect.Type]interface{}{
		reflect.TypeOf(a): 7.0,
		reflect.TypeOf(b): map[string]string{},
		reflect.TypeOf(c): int(2),
	}

	const key = "myFieldName"
	for expected, actual := range types {
		actualType := reflect.TypeOf(actual)
		t.Run(fmt.Sprintf("%s-%s", expected, actualType), func(t *testing.T) {
			expectedMessage := fmt.Sprintf(
				"value at %q was expected to be of type %q but was actually of type %q",
				key,
				expected.String(),
				actualType.String())

			subject := ErrIncorrectType{
				Key:          key,
				ActualValue:  actual,
				ExpectedType: expected,
			}

			var cast error = subject

			got := cast.Error()
			if got != expectedMessage {
				t.Logf("\n\tgot: \t%q\n\twant:\t%q", got, expectedMessage)
				t.Fail()
			}
		})
	}
}

func TestErrNotFound_Error(t *testing.T) {
	err := ErrNotFound{EntityPath: "/foo/bar"}
	assert.Equal(t, "entity at /foo/bar not found", err.Error())
	assert.True(t, IsErrNotFound(err))

	otherErr := errors.New("foo")
	assert.False(t, IsErrNotFound(otherErr))
}