import { delUserFilesByKey, getUserFiles, setUserFiles } from '../app-dsBridge';

export interface ICertResponse {
    /** 证书内容 */
    cert?: string;
    /** 证书序列号 */
    certSn?: number;
    /** issueCertSn */
    issueCertSn?: number;
    /** 过期时间 */
    expirationDate?: number;
}

export interface LocalStorageAddressObject {
    pemPrivateKey: string;
    pemPublicKey: string;
    pemCertificate: ICertResponse;
    /** 助记词 */
    mnemonic: string;
    /** 地址 */
    address: string;
    /** 钱包名字 */
    walletName: string;
}

export type LocalStorageKeysG = {
    /** 密钥 */
    password: string;
    /** 地址 */
    addressList: string[];
    /** getCommon已选择的地址 */
    selectedAddress: string;
}

/**
 * 加密数据
 * @param data - 数据
 */
function encrypto(data: any) {
    return JSON.stringify(data);
}

/**
 * 解密数据
 * @param cipherText - 密文
 */
function decrypto(cipherText: string | null) {
    if (typeof cipherText === 'string') {
        return JSON.parse(cipherText);
    }

    return cipherText;
}

export class LocalStorage {
    public static async setG<K extends keyof LocalStorageKeysG>(key: K, value: LocalStorageKeysG[K]) {

        const json = encrypto(value);

        await setUserFiles(`${key}`, json);
        return true;
    }

    public static async getG<K extends keyof LocalStorageKeysG>(key: K): Promise<LocalStorageKeysG[K] | null> {

        let json = null;

        try {
            const item = await getUserFiles(`${key}`);
            json = decrypto(item) as any;
        } catch (error) {
            console.log(error);
        }

        return json;
    }

    public static async getItemByAddress<K extends keyof LocalStorageAddressObject>(key: K, address: string): Promise<LocalStorageAddressObject[K] | null> {

        let json = null;

        try {
            const item = await getUserFiles(`${address}`);
            json = decrypto(item);
        } catch (error) {
            console.log(error);
        }

        return json && json[key];
    }

    public static async set(item: LocalStorageAddressObject) {

        const json = encrypto(item);

        await setUserFiles(item.address, json);

        return true;
    }

    public static async get(address: string): Promise<LocalStorageAddressObject | null> {

        let json = null;

        try {
            const item = await getUserFiles(`${address}`);
            json = decrypto(item);
        } catch (error) {
            console.log(error);
        }

        return json;
    }

    public static async remove(address: string): Promise<void> {
        await delUserFilesByKey(address);
        return
    }

}