import { orderBy } from "lodash-es";

export const { platform } = uni.getSystemInfoSync();

// 是否安卓
export const isAndroid = platform == "android";

// 是否苹果
export const isIos = platform == "ios";

// 是否小数
export function isDecimal(value: any): boolean {
	return String(value).length - String(value).indexOf(".") + 1 > 0;
}

// 首字母大写
export function firstUpperCase(value: string): string {
	return value.replace(/\b(\w)(\w*)/g, function ($0, $1, $2) {
		return $1.toUpperCase() + $2;
	});
}

// 深度合并
export function deepMerge(a: any, b: any) {
	let k;
	for (k in b) {
		a[k] =
			a[k] && a[k].toString() === "[object Object]" ? deepMerge(a[k], b[k]) : (a[k] = b[k]);
	}
	return a;
}

// 获取地址栏参数
export function getUrlParam(name: string): string | null {
	const reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
	const r = window.location.search.substr(1).match(reg);
	if (r != null) return decodeURIComponent(r[2]);
	return null;
}

// 列表转树形
export function deepTree(list: any[], sort?: "desc" | "asc"): any[] {
	const newList: any[] = [];
	const map: any = {};

	orderBy(list, "orderNum", sort)
		.map((e) => {
			map[e.id] = e;
			return e;
		})
		.forEach((e) => {
			const parent = map[e.parentId];

			if (parent) {
				(parent.children || (parent.children = [])).push(e);
			} else {
				newList.push(e);
			}
		});

	return newList;
}

// 路径转对象
export function path2Obj(list: any[]) {
	const data: any = {};

	list.forEach(({ path, value }) => {
		const arr: string[] = path.split("/");
		const parents = arr.slice(0, arr.length - 1);
		const name = basename(path).replace(".ts", "");

		let curr = data;

		parents.forEach((k) => {
			if (!curr[k]) {
				curr[k] = {};
			}

			curr = curr[k];
		});

		curr[name] = value;
	});

	return data;
}

// 路径拼接
export function pathJoin(...parts: string[]): string {
	if (parts.length === 0) {
		return "";
	}

	const firstPart = parts[0];
	let isAbsolute = false;

	// 检查第一个部分是否以 "http" 开头，以确定路径类型（绝对还是相对）
	if (firstPart.startsWith("http")) {
		isAbsolute = true;
	}

	// 标准化路径，去除任何开头或结尾的斜杠
	const normalizedParts = parts.map((part) => part.replace(/(^\/+|\/+$)/g, ""));

	if (isAbsolute) {
		// 如果是绝对路径，使用斜杠连接部分
		return normalizedParts.join("/");
	} else {
		// 如果是相对路径，使用平台特定的分隔符连接部分
		return normalizedParts.join("/");
	}
}

// 文件名
export function filename(path: string): string {
	return basename(path.substring(0, path.lastIndexOf(".")));
}

// 路径名称
export function basename(path: string): string {
	let index = path.lastIndexOf("/");
	index = index > -1 ? index : path.lastIndexOf("\\");
	if (index < 0) {
		return path;
	}
	return path.substring(index + 1);
}

// 文件扩展名
export function extname(path: string): string {
	return path.substring((path || "").lastIndexOf(".") + 1);
}

// 横杠转驼峰
export function toCamel(str: string): string {
	return str.replace(/([^-])(?:-+([^-]))/g, function ($0, $1, $2) {
		return $1 + $2.toUpperCase();
	});
}

// uuid
export function uuid(): string {
	const s: any[] = [];
	const hexDigits = "0123456789abcdef";
	for (let i = 0; i < 36; i++) {
		s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
	}
	s[14] = "4";
	s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
	s[8] = s[13] = s[18] = s[23] = "-";

	return s.join("");
}

// 延迟
export function sleep(duration: number) {
	return new Promise((resolve) => {
		setTimeout(() => {
			resolve(true);
		}, duration);
	});
}

// 是否为空
export function isEmpty(val: any) {
	return val === "" || val === null || val === undefined;
}