import Model from "../../db/Model";
import MysqlConnectionManager from "../../db/MysqlConnectionManager";
import AddApprovedFieldToUsersTableMigration from "../migrations/AddApprovedFieldToUsersTableMigration";
import config from "config";
import {ManyModelRelation} from "../../db/ModelRelation";
import UserEmail from "./UserEmail";
import UserApprovedComponent from "./UserApprovedComponent";
import UserNameComponent from "./UserNameComponent";

export default class User extends Model {
    /**
     * If true, new users are unapproved by default.
     */
    public static isApprovalMode(): boolean {
        return config.get<boolean>('auth.approval_mode') &&
            MysqlConnectionManager.hasMigration(AddApprovedFieldToUsersTableMigration);
    }

    public readonly id?: number = undefined;
    public main_email_id?: number = undefined;
    public is_admin: boolean = false;
    public created_at?: Date = undefined;
    public updated_at?: Date = undefined;

    public readonly emails = new ManyModelRelation(this, UserEmail, {
        localKey: 'id',
        foreignKey: 'user_id',
    });

    public readonly mainEmail = this.emails.cloneReduceToOne().constraint(q => q.where('id', this.main_email_id));

    protected init(): void {
        this.setValidation('name').acceptUndefined().between(3, 64);
        this.setValidation('main_email_id').acceptUndefined().exists(UserEmail, 'id');
        if (User.isApprovalMode()) {
            this.setValidation('approved').defined();
        }
        this.setValidation('is_admin').defined();
    }

    public isApproved(): boolean {
        return !User.isApprovalMode() || this.as(UserApprovedComponent).approved;
    }

    protected getPersonalInfoFields(): { name: string, value: string }[] {
        const fields: { name: string, value: string }[] = [];
        const nameComponent = this.asOptional(UserNameComponent);
        if (nameComponent && nameComponent.hasName()) {
            fields.push({
                name: 'Name',
                value: nameComponent.getName(),
            });
        }
        return fields;
    }
}