<template>
	<view class="step-box"  @touchstart="touchStart"  @touchmove='move'>
		<view class="step-link">
			<view class="step-bg" :style="{'width': `${stepRatio}%`}"></view>
			<view class="step-node">
				<view :class="['node-item' , stepRatio >= 0 ? 'active-node-item' : '' , stepRatio == 0 ? 'now-node-item' : '' ]"></view>
				<view :class="['node-item' , stepRatio >= 25 ? 'active-node-item' : '' , stepRatio == 25 ? 'now-node-item' : '' ]"></view>
				<view :class="['node-item' , stepRatio >= 50 ? 'active-node-item' : '' , stepRatio == 50 ? 'now-node-item' : '' ]"></view>
				<view :class="['node-item' , stepRatio >= 75 ? 'active-node-item' : '' , stepRatio == 75 ? 'now-node-item' : '' ]"></view>
				<view :class="['node-item' , stepRatio >= 100 ? 'active-node-item' : '' , stepRatio == 100 ? 'now-node-item' : '' ]"></view>
			</view>
		</view>
		<view class="step-node-nums">
			<view class="num-ratio">0%</view>
			<view class="num-ratio">25%</view>
			<view class="num-ratio">50%</view>
			<view class="num-ratio">75%</view>
			<view class="num-ratio">100%</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				stepRatio: 0,
				 
				movePlace:null,
			};
		},
		methods:{
			touchStart(e){
				this.movePlace =  e.changedTouches[0].clientX
		 
			},
			touchEnd(e){
				
				// console.log('touchEnd = ' , e.changedTouches[0])
				
				
			},
			move(e){
				const PlaceX = e.changedTouches[0].clientX
				console.log('move = ' , PlaceX , this.movePlace )
				if(PlaceX < this.movePlace ){
					if(this.stepRatio > 0){
						this.stepRatio -= 1;
					}
				}else{
					if(this.stepRatio < 100){
						this.stepRatio += 1;
					}
				}
				
				
				
				this.movePlace = e.changedTouches[0].clientX;
			}
		}
	}
</script>

<style lang="scss" scoped>
	.step-box {
		width: 100%;
		height: 54rpx;
		border-radius: 2rpx;

		.step-link {
			height: 6rpx;
			background: #e6e6e6;
			border-radius: 3rpx;
			position: relative;

			.step-bg {
				position: absolute;
				z-index: 1;
				left: 0;
				top: 0;
				background-color: #05C175;
				border-radius: 3rpx;
				
				height: 100%;
			}

			.step-node {
				position: absolute;
				z-index: 1;
				width: 100%;
				height: 100%;
				display: flex;
				justify-content: space-between;
				align-items: center;
				.node-item{
					width: 16rpx;
					height: 16rpx;
					background: #ffffff;
					border: 4rpx solid  #e6e6e6;
					border-radius: 50%;
				}
				.active-node-item{
					border-color:  #05c175;
				}
				.now-node-item{
						width: 22rpx;
						height: 22rpx;
						border: 6rpx solid #05c175;
				}
			}
		}
		// <view class="step-node-nums">
		// 	<view class="num-ratio">0%</view>
		// 	<view class="num-ratio">25%</view>
		// 	<view class="num-ratio">50%</view>
		// 	<view class="num-ratio">75%</view>
		// 	<view class="num-ratio">100%</view>
		// </view>
		.step-node-nums{
			width: 100%;
			display: flex;
			justify-content: space-between;
			padding-top: 10rpx;
			.num-ratio{
				flex: 1;
				font-size: 20rpx;
				font-family: PingFang SC, PingFang SC-Regular;
				font-weight: 400;
				text-align: center;
				color: #808080;
				line-height: 28rpx;
				&:first-child{
					text-align: left;
				}
				&:last-child{
					text-align: right;
				}
			}
		}
	}
</style>