import { getStorage, removeStorage, setStorage } from "../storage";

export interface DNSDKConfig {
    dn_source_id: number;
    dn_source_secret: string;
}

const STORAGE_KEY = "dnsdkConfig"

const DEFAULT_DNSDK_CONFIG: DNSDKConfig = {
    dn_source_id: 0,
    dn_source_secret: ""
}

class DNSDKConfigModel {
    private static instance: DNSDKConfigModel | null = null;
    private data: DNSDKConfig;

    private constructor() {
        this.data = getStorage<DNSDKConfig>(STORAGE_KEY, DEFAULT_DNSDK_CONFIG) ?? DEFAULT_DNSDK_CONFIG;
    }

    static getInstance(): DNSDKConfigModel {
        if (!DNSDKConfigModel.instance) {
            DNSDKConfigModel.instance = new DNSDKConfigModel();
        }
        return DNSDKConfigModel.instance;
    }

    get(): DNSDKConfig {
        return this.data;
    }

    save(dnsdkConfig: DNSDKConfig): boolean {
        this.data = dnsdkConfig;
        return setStorage(STORAGE_KEY, dnsdkConfig);
    }

    clear(): boolean {
        this.data = { ...DEFAULT_DNSDK_CONFIG };
        return removeStorage(STORAGE_KEY);
    }
}

export default DNSDKConfigModel;