import {Logging, Middleware, Session} from "@extollo/lib"
import {Inject, Injectable} from "@extollo/di"
import {User} from "../../../models/User.model";

/**
 * InjectUser Middleware
 * --------------------------------------------
 * Put some description here.
 */
@Injectable()
export class InjectUser extends Middleware {
    @Inject()
    protected readonly session!: Session

    @Inject()
    protected readonly logging!: Logging

    public async apply() {
        const userId = this.session.get('auth.user_id')
        if ( userId && !this.request.hasKey(User) ) {
            const user = await User.findByKey<User>(userId)
            this.logging.debug(`Looked up user ID ${userId} from session. Found? ${!!user}`)
            if ( user ) {
                this.request.registerSingletonInstance<User>(User, user)
            }
        } else {
            this.logging.verbose(`No user ID defined in session.`)
        }
    }
}