/**
 * 大数字转换，将大额数字转换为万、千万、亿等
 * @param value 数字值
 */
Vue.filter('bigNumberTransform', function(value) {
	const newValue = ['', '', '']
	let fr = 1000
	let num = 3
	let text1 = ''
	let fm = 1
	while (value / fr >= 1) {
		fr *= 10
		num += 1
		// console.log('数字', value / fr, 'num:', num)
	}
	if (num <= 4) { // 千
		newValue[0] = parseInt(value / 1000) + ''
		newValue[1] = '千'
	} else if (num <= 8) { // 万
		text1 = parseInt(num - 4) / 3 > 1 ? '千万' : '万'
		// tslint:disable-next-line:no-shadowed-variable
		fm = text1 === '万' ? 10000 : 10000000
		if (value % fm === 0) {
			newValue[0] = parseInt(value / fm) + ''
		} else {
			newValue[0] = parseFloat(value / fm).toFixed(2) + ''
		}
		newValue[1] = text1
	} else if (num <= 16) { // 亿
		text1 = (num - 8) / 3 > 1 ? '千亿' : '亿'
		text1 = (num - 8) / 4 > 1 ? '万亿' : text1
		text1 = (num - 8) / 7 > 1 ? '千万亿' : text1
		// tslint:disable-next-line:no-shadowed-variable
		fm = 1
		if (text1 === '亿') {
			fm = 100000000
		} else if (text1 === '千亿') {
			fm = 100000000000
		} else if (text1 === '万亿') {
			fm = 1000000000000
		} else if (text1 === '千万亿') {
			fm = 1000000000000000
		}
		if (value % fm === 0) {
			newValue[0] = parseInt(value / fm) + ''
		} else {
			newValue[0] = parseFloat(value / fm).toFixed(2) + ''
		}
		newValue[1] = text1
	}
	if (value < 1000) {
		newValue[0] = value + ''
		newValue[1] = ''
	}
	return newValue.join('')
})