import {Iterator, Map} from 'immutable';

export class FunsCustomerController {
    private store: Map<string, () => boolean | Promise<boolean>>;

    constructor() {
        this.store = Map();
    }

    public setCustomer(key: string, func: any) {
        if (this.store.has(key)) {
            throw new Error('found exist customer: ' + key);
        }

        this.store = this.store.set(key, func);
    }

    public getCustomer(key: string) {
        if (!this.store.has(key)) {
            console.error('can not find dataCustomer: ' + key);
        }

        return this.store.get(key);
    }

    public clearCustomer() {
        return this.store.clear();
    }

    public getAllCustomerName(): Iterator<string> {
        return this.store.keys();
    }

    public delCustomer(funcName: string) {
        this.store = this.store.delete(funcName);
    }
}

export default new FunsCustomerController();