import { UTSiOS } from "DCloudUTSFoundation";
import { DeviceUtil } from './device/DeviceUtil.uts';

import { GetDeviceInfo, GetDeviceInfoOptions, GetDeviceInfoResult } from '../interface.uts'
import { UIScreen , UIDevice ,UIApplication } from 'UIKit';

export const getDeviceInfo : GetDeviceInfo = (config : GetDeviceInfoOptions | null) : GetDeviceInfoResult => {
	let filter : Array<string> = [];
	if (config != null && config?.filter != null) {
		let temp = config?.filter;
		filter = temp!;
	}

	if (config == null || filter.length == 0) {
		const defaultFilter = [
			"brand",
			"deviceBrand",
			"deviceId",
			"model",
			"deviceModel",
			"deviceType",
			"deviceOrientation",
			"devicePixelRatio",
			"system",
			"platform",
			"isRoot",
			"isSimulator",
			"osName",
			"osVersion",
			"osLanguage",
			"osTheme",
			"romName",
			"romVersion"
		];
		filter = defaultFilter;
	}
	return getBaseInfo(filter);
}


function getBaseInfo(filterArray : Array<string>) : GetDeviceInfoResult {
	const osVersion = DeviceUtil.getOSVersion();
	let result : GetDeviceInfoResult = {};
	if (filterArray.indexOf("brand") != -1) {
		result.brand = "apple";
	}
	if (filterArray.indexOf("deviceBrand") != -1) {
		result.deviceBrand = "apple";
	}
	if (filterArray.indexOf("deviceId") != -1) {
		result.deviceId = UTSiOS.getDeviceId();
	}
	if (filterArray.indexOf("model") != -1) {
		result.model = UTSiOS.getModel();
	}
	if (filterArray.indexOf("deviceModel") != -1) {
		result.deviceModel = UTSiOS.getModel();
	}
	if (filterArray.indexOf("deviceType") != -1) {
		result.deviceType = DeviceUtil.isPad() ? "pad" : "phone";
	}
	if (filterArray.indexOf("deviceOrientation") != -1) {
		result.deviceOrientation = DeviceUtil.getOrientation();
	}
	if (filterArray.indexOf("devicePixelRatio") != -1) {
		result.devicePixelRatio = DeviceUtil.getScreenScale();
	}
	if (filterArray.indexOf("system") != -1) {
		result.system = String(format = "iOS %@", osVersion);
	}
	if (filterArray.indexOf("platform") != -1) {
		result.platform = "ios";
	}
	if (filterArray.indexOf("isRoot") != -1) {
		result.isRoot = DeviceUtil.hasRootPrivilege();
	}
	if (filterArray.indexOf("isSimulator") != -1) {
		result.isSimulator = UTSiOS.isSimulator();
	}
	
	if (filterArray.indexOf("osName") != -1) {
		result.osName = "ios";
	}
	if (filterArray.indexOf("osVersion") != -1) {
		result.osVersion = UIDevice.current.systemVersion;
	}
	if (filterArray.indexOf("osLanguage") != -1) {
		result.osLanguage = UTSiOS.getOsLanguage();
	}
	if (filterArray.indexOf("osTheme") != -1) {
		let osTheme = 'light'
		if(UTSiOS.available("iOS 13, *")){
			let currentTraitCollection = UIApplication.shared.keyWindow?.traitCollection
			osTheme = currentTraitCollection?.userInterfaceStyle == UIUserInterfaceStyle.dark ? "dark" : "light"
		}
		result.osTheme = osTheme;
	}
	if (filterArray.indexOf("romName") != -1) {
		result.romName = "ios"
	}
	if (filterArray.indexOf("romVersion") != -1) {
		result.romVersion = UIDevice.current.systemVersion;
	}

	return result;
}