import {module} from '../module';

class VnStorage {
    constructor() {
        this._type = '';
        this.prefix = 'vn';
    }
    set type(value) {
        this._type = value;
        this.checkSupport();
    }
    get type() {
        return this._type;
    }
    get webStorage() {
        return window[this.type];
    }
    checkSupport() {
        try {
            let supported = (this.type in window && window[this.type] !== null);
            if (supported) {
                let key = '__' + Math.round(Math.random() * 1e7);
                let webStorage = window[this.type];
                webStorage.setItem(key, '');
                webStorage.removeItem(key);
            }
        } catch (e) {
            console.error('VnStorage.notification.error', e.message);
            return false;
        }
    }
    get(param) {
        let toRead = this.webStorage.getItem(`${this.prefix}.${param}`);
        if (toRead && toRead.startsWith('jsonObject:')) {
            toRead = JSON.parse(toRead.replace('jsonObject:', ''));
        }
        return toRead;
    }
    set(param, data) {
        let toStorage = typeof data === 'object' ? `jsonObject:${JSON.stringify(data)}` : data;
        this.webStorage.setItem(`${this.prefix}.${param}`, toStorage);
    }
    remove(param) {
        this.webStorage.removeItem(`${this.prefix}.${param}`);
    }
    clear() {
        this.webStorage.clear();
    }
}

class SessionStorage extends VnStorage {
    constructor() {
        super();
        this.type = 'sessionStorage';
    }
}

class LocalStorage extends VnStorage {
    constructor() {
        super();
        this.type = 'localStorage';
    }
}

module.service('sessionStorage', SessionStorage);
module.service('localStorage', LocalStorage);