let UserSetting = {
    localStorageName_Unit : "UserSettingPara.Unit",

    getUnitParas(language) {
        if (language == null)
            language = 0;
 
        var localStorageData = localStorage.getItem(this.localStorageName_Unit);
        if (localStorageData != null) {
           return JSON.parse(localStorageData);
        }

        if (language == 0)
            return window.globalConfig.UnitSetting.CN;
        else if (language == 2)
            return window.globalConfig.UnitSetting.EN;
        else
            return window.globalConfig.UnitSetting.CN;
    },

    getFlowUnit(language){
        var unit = this.getUnitParas(language);
        if(unit == null || unit.Flow == null || unit.Flow < 0)
            return 1;
        return unit.Flow;
    },

    getHeadUnit(language){
        var unit = this.getUnitParas(language);
        if(unit == null || unit.Flow == null || unit.Head < 0)
            return 0;

        return unit.Head;
    },

    getFlowUnitSetting(language){
        var unit = this.getUnitParas(language);
        return unit.Flow;
    },

    getHeadUnitSetting(language){
        var unit = this.getUnitParas(language);
        return unit.Head;
    },

    saveUnitParas(data) {
        if (data == null) {
            localStorage.removeItem(this.localStorageName_Unit);
            return;
        }
        let str = JSON.stringify(data);
        localStorage.setItem(this.localStorageName_Unit, str);
    },

    clearUnitParas() {
        localStorage.removeItem(this.localStorageName_Unit);
    }
 
}

export default UserSetting