package redis

import (
	"fmt"
)

// ErrPingFailed is returned when the initial redis connection setup failed.
type ErrPingFailed struct {
	message  string
	original string
}

// Error returns error message
func (e ErrPingFailed) Error() string {
	return fmt.Sprintf("%s: %s", e.message, e.original)
}

// NewErrPingFailed is returned when the initial redis connection setup failed.
func NewErrPingFailed(original error) error {
	return ErrPingFailed{
		message:  "redis ping failed",
		original: original.Error(),
	}
}

// Err wraps unexpected redis errors into a recognized error type.
type Err struct {
	message  string
	original string
}

// Error returns error message
func (e Err) Error() string {
	return fmt.Sprintf("%s: %s", e.message, e.original)
}

// NewErr wraps unexpected redis errors into a recognized error type.
func NewErr(original error) error {
	return Err{
		message:  "redis error",
		original: original.Error(),
	}
}