<template>
  <view>
    <scroll-view class="scroll-view" 
        :refresher-enabled="true" :refresher-triggered="refresherTriggered" refresher-default-style="none"
        @refresherpulling="onRefresherpulling"
        @refresherrefresh="onRefresherrefresh"
        :refresher-threshold="refresherThreshold"
    >
      <view v-for="i in 20" class="content-item">
        <text class="text">item-{{i}}</text>
      </view>
      <refresh-box slot="refresher" :state="state" :pullingDistance="pullingDistance"></refresh-box>
    </scroll-view>
  </view>
</template>

<script>
  import refreshBox from './refresh-box/refresh-box.uvue';
  export default {
    components:{refreshBox},
    data() {
      return {
        refresherTriggered:false,
        refresherThreshold:40,
        pullingDistance:0,
		resetting: false
      }
    },
    computed:{
      state():number{
		if (this.resetting) {
		  return 3;
		}
        if(this.refresherTriggered){
          return 2
        }
        if(this.pullingDistance > this.refresherThreshold){
          return 1
        }else{
          return 0
        }
      }
    },
    methods: {
      onRefresherpulling(e:RefresherEvent){
        // console.log('onRefresherpulling',e.detail.dy)
        this.pullingDistance = e.detail.dy
		if (this.pullingDistance.toDouble() == 0.0) {
			this.resetting = false;
		}
      },
      onRefresherrefresh(){
        this.refresherTriggered = true
        setTimeout(()=>{
          this.refresherTriggered = false
        },1500)
      },
      // onRefresherrestore(e:RefresherEvent){
      //   console.log('onRefresherrestore',e)
      // },
      // onRefresherabort(e:RefresherEvent){
      //   console.log('onRefresherabort',e)
      // },
    }
  }
</script>

<style>
  .scroll-view {
    flex: 1;
		padding: 5px 15px;
		background-color: #f5f5f5;
  }
	
	.content-item {
		padding: 15px;
		margin: 5px 0;
		background-color: #fff;
		border-radius: 5px;
	}
	
	.text {
		font-size: 14px;
		color: #666;
		line-height: 20px;
	}

</style>