package goap

// Helper type for parsing attributes where the value (after expansion) is of the following form
// ```json
// [
//
//	{
//	  "@id": "some url here"
//	}
//
// ]
// ```
type IdType struct {
	Next BaseApChain
	Id   string
}

func (idtype *IdType) GetSelfOrBase() (BaseApChain, bool) {
	return idtype.Next, true
}

func (idtype *IdType) MarshalToMapWithName(name string) map[string]any {
	m := idtype.Next.MarshalToMap()
	m[name] = []map[string]any{{KEY_ID: idtype.Id}}
	return m
}

func ParseIdTypeWithName(m map[string]any, b BaseApChain, name string) (*IdType, error) {
	rawData1, ok := m[name]
	if !ok {
		return nil, NoRequiredFieldError{name}
	}
	data1, ok := rawData1.([]map[string]any)
	if !ok {
		return nil, BadFieldValueError{name, rawData1, []map[string]any{{}}}
	}
	if len(data1) != 1 {
		return nil, BadFieldArrayLengthError{name, 1, len(data1)}
	}
	rawData2, ok := data1[0][KEY_ID]
	if !ok {
		return nil, NoRequiredSubFieldError{name, KEY_ID}
	}
	data2, ok := rawData1.(string)
	if !ok {
		return nil, BadFieldValueError{name, rawData2, ""}
	}
	return &IdType{
		Next: b,
		Id:   data2,
	}, nil
}