package errors

import (
	"errors"
	"fmt"
)

var (
	ErrInvalidConfig     = errors.New("invalid configuration")
	ErrLoginFailed       = errors.New("login failed")
	ErrCaptchaFailed     = errors.New("captcha recognition failed")
	ErrScheduleFailed    = errors.New("failed to fetch schedule")
	ErrRecognitionFailed = errors.New("schedule recognition failed")
	ErrUnauthorized      = errors.New("unauthorized access")
	ErrTimeout           = errors.New("operation timeout")
	ErrConnectionFailed  = errors.New("connection failed")
)

type ScheduleError struct {
	Op  string
	Err error
	Msg string
}

func (e *ScheduleError) Error() string {
	if e.Msg != "" {
		return fmt.Sprintf("%s: %s: %v", e.Op, e.Msg, e.Err)
	}
	return fmt.Sprintf("%s: %v", e.Op, e.Err)
}

func (e *ScheduleError) Unwrap() error {
	return e.Err
}

func New(op string, err error, msg string) error {
	return &ScheduleError{
		Op:  op,
		Err: err,
		Msg: msg,
	}
}

func Wrap(err error, msg string) error {
	return fmt.Errorf("%s: %w", msg, err)
}

func Join(errs ...error) error {
	return errors.Join(errs...)
}

func Is(err, target error) bool {
	return errors.Is(err, target)
}

func As(err error, target any) bool {
	return errors.As(err, target)
}