muonsoft / openapi-mock

package config

import (

	"fmt"

	"sort"

	"strings"

	validation "github.com/go-ozzo/ozzo-validation/v4"

)

type ErrLoadFailed struct {

	Previous error

}

func (err *ErrLoadFailed) Error() string {

	return fmt.Sprintf("failed to load configuration: %s", err.Previous.Error())

}

func (err *ErrLoadFailed) Unwrap() error {

	return err.Previous

}

type ErrInvalidConfiguration struct {

	ValidationError error

}

func (err *ErrInvalidConfiguration) Error() string {

	violations := err.ValidationError.(validation.Errors)

	keys := make([]string, 0, len(violations))

	for key := range violations {

		keys = append(keys, key)

	}

	sort.Strings(keys)

	var message strings.Builder

	message.WriteString("configuration has invalid values: ")

	for i, key := range keys {

		err := violations[key]

		if err != nil {

			if i > 0 {

				message.WriteString("; ")

			}

			message.WriteString(fmt.Sprintf("invalid option '%s': %s", key, err.Error()))

		}

	}

	return message.String()

}