package goanilist

import "encoding/json"

type APIError interface {
	Get() *FlexibleError
}

type FlexibleError struct {
	RawError     json.RawMessage `json:"error"`
	Error        string
	ErrorMessage string `json:"error_message"`
}

type complexError struct {
	Error            string `json:"error"`
	ErrorDescription string `json:"error_description"`
}

func (e *FlexibleError) ParseRawError() {
	ce := complexError{}
	err := json.Unmarshal(e.RawError, &ce)
	if err == nil {
		e.Error = ce.Error
		e.ErrorMessage = ce.ErrorDescription
	} else {
		e.Error = string(e.RawError)
	}
}

func (e *FlexibleError) Get() *FlexibleError {
	return e
}

type AccessTokenResult struct {
	FlexibleError
	AccessToken  string `json:"access_token"`
	TokenType    string `json:"token_type"`
	Expires      int64  `json:"expires"`
	ExpiresIn    int    `json:"expires_in"`
	RefreshToken string `json:"refresh_token"`
}

type UserResult struct {
	FlexibleError
	ID          int    `json:"id"`
	DisplayName string `json:"display_name"`
}