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

export interface ShareConfig {
    title: string,
    imageUrl: string,
    query: string,
    share_ext : string //服务端需要拼接的参数
}

const STORAGE_KEY = "shareConfig";
const DEFAULT_CONFIG: ShareConfig = {
    title: "",
    imageUrl: "",
    query: "",
    share_ext : ""
}
class ShareConfigModel {
    private static instance: ShareConfigModel | null = null;
    private data: ShareConfig;

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

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

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

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

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

export default ShareConfigModel;