declare var __ENV_USERSCRIPT: boolean;
declare var __ENV_WEBEXTENSION: boolean;

function getStorageValue(name: string, defaultValue: string): Promise<any> {
	if(__ENV_USERSCRIPT) {
		return GM.getValue(name, defaultValue);
	} else if(__ENV_WEBEXTENSION) {
		return browser.storage.local.get(name);
	} else {
		return new Promise<any>((resolve) => {
			resolve(defaultValue);
		});
	}
}

function setStorageValue(name: string, value: any): Promise<any> {
	if(__ENV_USERSCRIPT) {
		return GM.setValue(name, value);
	} else if(__ENV_WEBEXTENSION) {
		return browser.storage.local.set({name, value});
	} else {
		return new Promise<any>((resolve, reject) => {
			reject();
		});
	}
}

export { getStorageValue, setStorageValue }