import User from "./User";
import {Connection} from "mysql";
import Model, {EMAIL_REGEX} from "../../db/Model";
import {query} from "../../db/MysqlConnectionManager";
import {OneModelRelation} from "../../db/ModelRelation";
import ModelFactory from "../../db/ModelFactory";

export default class UserEmail extends Model {
    public readonly id?: number = undefined;
    public user_id?: number = undefined;
    public readonly email?: string = undefined;
    private main?: boolean = undefined;
    public created_at?: Date = undefined;

    public readonly user = new OneModelRelation<UserEmail, User>(this, ModelFactory.get(User), {
        localKey: 'user_id',
        foreignKey: 'id'
    });

    private _wasSetToMain: boolean = false;

    constructor(data: any) {
        super(data);
    }

    protected init(): void {
        this.setValidation('user_id').acceptUndefined().exists(User, 'id');
        this.setValidation('email').defined().regexp(EMAIL_REGEX).unique(this);
        this.setValidation('main').defined();
    }

    protected async beforeSave(exists: boolean, connection: Connection) {
        if (this._wasSetToMain) {
            await query(`UPDATE ${this.table} SET main=false WHERE user_id=${this.user_id}`, null, connection);
            this._wasSetToMain = false;
        }
    }

    public isMain(): boolean {
        return Boolean(this.main);
    }

    public setMain() {
        if (!this.isMain()) {
            this.main = true;
            this._wasSetToMain = true;
        }
    }
}