validation

type Error interface {
	error
	Code() string
	Message() string
	SetMessage(message string) Error
	Params() []Param
	HasParam(key string) bool
	AddParam(param Param) Error
}

type ErrorBag interface {
	Error
	Each(f func(path string, errs Errors) bool)
	// Fails returns true if the error bag has one or more errors.
	Fails() bool
	// Failed returns the keys of the failed fields.
	Failed() []string
	// FailedAt returns true if the error bag has one or more errors for the given keys.
	FailedAt(key string, codes ...string) bool
	// HasError returns true if the error bag has one or more errors for the given keys.
	HasError(key string) bool
	// AddError adds an error to the error bag.
	AddError(key string, err Error)
	// GetAllErrors returns the errors in the error bag.
	GetAllErrors() map[string]Errors
	// GetErrors returns the errors for the given key.
	GetErrors(key string) Errors
	// GetError returns the error for the given key and code.
	GetError(key string, code string) Error
	// SetMessages sets custom error messages
	SetMessages(messages map[string]map[string]string) ErrorBag
	// GetMessages returns the messages in the error bag.
	GetMessages() map[string][]string
	// GetMessage returns the messages for the given key.
	GetMessage(key string) []string
}

type ErrorBuilder interface {
	BuildError(code string, message string, params ...Param) Error
}

type Errors interface {
	Each(f func(code string, err Error) bool)
	Has(code string) bool
	Add(err Error)
	Get(code string) Error
}

type Param interface {
	Key() string
	Value() string
}

type Rule[T any] interface {
	Validate(ctx context.Context, errorBuilder ErrorBuilder, value T) Error
}

type Translator interface {
	T(key string, params map[string]any) string
	P(key string, pluralCount any, params map[string]any) string
	Locale(locale string) Translator
}

type Validatable interface {
	Validate(ctx context.Context, errorBuilder ErrorBuilder) Error
}

type Validator interface {
	// Validate validates the given value.
	Validate(ctx context.Context, builders ...ValidatorBuilder) ErrorBag
}

type ValidatorBuilder interface {
	// Build builds the validator.
	Build(ctx ValidatorContext)
	// SetAttribute sets the attribute name.
	SetAttribute(attribute string) ValidatorBuilder
	// GetAttribute gets the attribute name.
	GetAttribute() string
	// SetKey sets the attribute key parts.
	SetKey(paths ...string) ValidatorBuilder
	// GetKey gets the attribute key parts.
	GetKey() []string
}

type ValidatorContext interface {
	AddValidate(key string, rule Validatable)
}