import { addressNameCodeMap } from "./enum"

function formatTime(time) {
	if (typeof time !== 'number' || time < 0) {
		return time
	}

	var hour = parseInt(time / 3600)
	time = time % 3600
	var minute = parseInt(time / 60)
	time = time % 60
	var second = time

	return ([hour, minute, second]).map(function(n) {
		n = n.toString()
		return n[1] ? n : '0' + n
	}).join(':')
}

function formatLocation(longitude, latitude) {
	if (typeof longitude === 'string' && typeof latitude === 'string') {
		longitude = parseFloat(longitude)
		latitude = parseFloat(latitude)
	}

	longitude = longitude.toFixed(2)
	latitude = latitude.toFixed(2)

	return {
		longitude: longitude.toString().split('.'),
		latitude: latitude.toString().split('.')
	}
}
var dateUtils = {
	UNITS: {
		'年': 31557600000,
		'月': 2629800000,
		'天': 86400000,
		'小时': 3600000,
		'分钟': 60000,
		'秒': 1000
	},
	humanize: function(milliseconds) {
		var humanize = '';
		for (var key in this.UNITS) {
			if (milliseconds >= this.UNITS[key]) {
				humanize = Math.floor(milliseconds / this.UNITS[key]) + key + '前';
				break;
			}
		}
		return humanize || '刚刚';
	},
	format: function(dateStr) {
		var date = this.parse(dateStr)
		var diff = Date.now() - date.getTime();
		if (diff < this.UNITS['天']) {
			return this.humanize(diff);
		}
		var _format = function(number) {
			return (number < 10 ? ('0' + number) : number);
		};
		return date.getFullYear() + '/' + _format(date.getMonth() + 1) + '/' + _format(date.getDate()) + '-' +
			_format(date.getHours()) + ':' + _format(date.getMinutes());
	},
	parse: function(str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串，转化为一个Date对象
		var a = str.split(/[^0-9]/);
		return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
	}
};

const numberToChinese = (num)=> {
  const chineseNums = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九'];
  const chineseUnits = ['', '十', '百', '千', '万', '亿', '兆'];
 
  if (num === 0) {
    return chineseNums[0];
  }
 
  const digits = Math.floor(num).toString().split('');
  const len = digits.length;
  
  let result = '';
  
  for (let i = 0; i < len; i++) {
    const digit = parseInt(digits[i]);
    const unit = chineseUnits[len - 1 - i];
    
    if (digit !== 0) {
      result += chineseNums[digit] + unit;
    } else {
      if (result[result.length - 1] !== chineseNums[0]) {
        result += chineseNums[digit]
      }
    }
  }
  
  return result;
}

// - 获取地址详情
const getAddressDetail = (item= {}, showDetail = true)=> {
	let ary = []
	addressNameCodeMap.map((t)=> {
		ary.push(item[t.nameKey])
	})
	if(showDetail) {
		ary.push(item.address)
	}
	return ary.join("")
}

const setAddresModalParam = (data = {})=> {
	let regIds = []
	let regNames = []
	addressNameCodeMap.map((t, index)=> {
		let name = data[t.nameKey]
		let code = data[t.codeKey]
		if(name && code) {
			regIds[index] = code
			regNames[index] = name
		}
	})
	return {
		regIds,
		regNames
	}
}

// - 转换list的key val
const transListKeyTitle = ({ valKey = '', titleKey = '', list = [] })=> {
	list.map(t=> {
		t.title = t[titleKey] || t.title
		t.val = t[valKey] || t.val
	})
	return list
}

// -防抖
const debounce = (fn, wait) => {
    let delay = wait || 500
    let timer
    return function() {
        let args = arguments;
        if (timer) {
            clearTimeout(timer)
            console.log('拦截')
        }
        let callNow = !timer
        timer = setTimeout(() => {
            console.log('发送')
			fn.apply(this, args)
            timer = null
        }, delay)
    }
}

// -节流
const throttle = (fn, wait) => {
    let delay = wait || 500
    let timer = null
    return function() {
        if (timer) {
            console.log('拦截');
            return
        }
        timer = setTimeout(() => {
            console.log('发送');
            fn.apply(this, arguments)
            timer = null
        }, delay)
    }
}

//TextEncoder
const textEncoder = (input)=> {
	return unescape(encodeURIComponent(input)).split("").map(val => val.charCodeAt());
}

//TextDecoder
const textDecoder = (input)=> {
	return decodeURIComponent(escape(String.fromCharCode(...[input])));
}

const getQueryObject = (url)=> {
	var query = url.split('?')[1];
	var obj = {};
	
	query = query.split('&');
	query.forEach(query => {
	    var item = query.split('=');
	    obj[item[0]] = item[1]; // 当然如果有中文/Unicode字符可以在这里用URIencode方法转码一下
	});
	return obj;
}

export function isPlainObject(obj){
  return typeof obj === 'object' && Object.prototype.toString.call(obj) === '[object Object]'
}

export function isPlainArray(obj){
  return typeof obj === 'object' && Object.prototype.toString.call(obj) === '[object Array]'
}

export function deepAssign() {
  let len = arguments.length, target = arguments[0]
  if (!isPlainObject(target)) {
    target = {}
  }
  for (let i = 1; i < len; i++) {
    let source = arguments[i]
    if (isPlainObject(source)) {
      for (let s in source) {
        if (s === '__proto__' || target === source[s]) {
          continue
        }
        if (isPlainObject(source[s])) {
          target[s] = deepAssign(target[s], source[s])
        } else {
          target[s] = source[s]
        }
      }
    }
  }
  return target
}

export {
	getAddressDetail,
	setAddresModalParam,
	numberToChinese,
	formatTime,
	formatLocation,
	dateUtils,
	transListKeyTitle,
	debounce,
	throttle,
	textEncoder,
	textDecoder,
	getQueryObject,
}