package goap

import "fmt"

type NoRequiredFieldError struct {
	FieldName string
}

func (n NoRequiredFieldError) Error() string {
	return fmt.Sprintf("no attribute named %s", n.FieldName)
}

type BadFieldValueError struct {
	FieldName string
	RawValue  any
	Expected  any
}

func (b BadFieldValueError) Error() string {
	return fmt.Sprintf(
		"attribute %s has a bad raw value, inspect error struct for raw and expected value",
		b.FieldName,
	)
}

type BadFieldArrayLengthError struct {
	FieldName   string
	ExpectedLen int
	ActualLen   int
}

func (b BadFieldArrayLengthError) Error() string {
	return fmt.Sprintf(
		"attribute %s expects an array of length %d but got an array with %d elements",
		b.FieldName,
		b.ExpectedLen,
		b.ActualLen,
	)
}

type NoRequiredSubFieldError struct {
	FieldName string
	Subfield  string
}

func (n NoRequiredSubFieldError) Error() string {
	return fmt.Sprintf("missing subfield %s for attribute %s", n.Subfield, n.FieldName)
}