import { StateData } from './type'

/**
 * 全局状态初始数据
 */
const initData: StateData = {
    systemInfo: {
        statusBarHeight: 0,
    },
    referralCode: '',
};

function useState() {
    const data = { ...initData };

    const getItem = <Key extends keyof StateData>(key: Key): StateData[Key] => {
        return data[key];
    }

    const setItem = <Key extends keyof StateData>(key: Key, value: StateData[Key]): void => {
        data[key] = value;
    }

    return {
        get value(): StateData {
            return data;
        },
        getItem,
        setItem
    }
}

export const globalState = useState();