export * from './storage'
export * from './auth'
export * from './platform'
export {
	default as request, get, post, put, del, upload
}
from './request'

/**
 * 防抖函数
 * @param {Function} fn 目标函数
 * @param {number} [delay=300] 延迟毫秒
 * @returns {Function}
 */
export function debounce(fn, delay = 300) {
	let timer = null
	return function(...args) {
		if (timer) clearTimeout(timer)
		timer = setTimeout(() => {
			fn.apply(this, args)
			timer = null
		}, delay)
	}
}

/**
 * 节流函数
 * @param {Function} fn 目标函数
 * @param {number} [interval=300] 间隔毫秒
 * @returns {Function}
 */
export function throttle(fn, interval = 300) {
	let lastTime = 0
	return function(...args) {
		const now = Date.now()
		if (now - lastTime >= interval) {
			lastTime = now
			fn.apply(this, args)
		}
	}
}

/**
 * 深拷贝
 * @param {*} obj
 * @returns {*}
 */
export function deepClone(obj) {
	if (obj === null || typeof obj !== 'object') return obj
	if (obj instanceof Date) return new Date(obj)
	if (obj instanceof RegExp) return new RegExp(obj)
	const clone = Array.isArray(obj) ? [] : {}
	for (const key in obj) {
		if (Object.prototype.hasOwnProperty.call(obj, key)) {
			clone[key] = deepClone(obj[key])
		}
	}
	return clone
}

/**
 * 延迟执行（Promise 版 setTimeout）
 * @param {number} ms 毫秒
 * @returns {Promise}
 */
export function sleep(ms) {
	return new Promise((resolve) => setTimeout(resolve, ms))
}

/**
 * 生成唯一 ID
 * @returns {string}
 */
export function generateId() {
	return Date.now().toString(36) + Math.random().toString(36).substring(2)
}

/**
 * 页面跳转封装
 */
export const router = {
	push(url, params) {
		const query = params ? '?' + objectToQuery(params) : ''
		uni.navigateTo({
			url: url + query
		})
	},
	replace(url, params) {
		const query = params ? '?' + objectToQuery(params) : ''
		uni.redirectTo({
			url: url + query
		})
	},
	reLaunch(url, params) {
		const query = params ? '?' + objectToQuery(params) : ''
		uni.reLaunch({
			url: url + query
		})
	},
	switchTab(url) {
		uni.switchTab({
			url
		})
	},
	back(delta = 1) {
		uni.navigateBack({
			delta
		})
	},
}

/**
 * 对象转查询字符串
 * @param {Object} obj
 * @returns {string}
 */
export function objectToQuery(obj) {
	return Object.keys(obj)
		.filter((key) => obj[key] !== undefined && obj[key] !== null)
		.map((key) => `${encodeURIComponent(key)}=${encodeURIComponent(obj[key])}`)
		.join('&')
}

/**
 * 显示消息提示
 */
export const toast = {
	success(title, duration = 1500) {
		uni.showToast({
			title,
			icon: 'success',
			duration
		})
	},
	error(title, duration = 2000) {
		uni.showToast({
			title,
			icon: 'none',
			duration
		})
	},
	loading(title = '加载中...') {
		uni.showLoading({
			title,
			mask: true
		})
	},
	hideLoading() {
		uni.hideLoading()
	},
}

/**
 * 确认弹窗（Promise 版）
 * @param {string} content 内容
 * @param {string} [title='提示'] 标题
 * @returns {Promise<boolean>}
 */
export function confirm(content, title = '提示') {
	return new Promise((resolve) => {
		uni.showModal({
			title,
			content,
			success: (res) => resolve(!!res.confirm),
		})
	})
}