<template>
	<camera mode="scanCode" device-position="back" style="width: 100%; height: 100vh;" @scancode="scanCode" :flash="flash" :initdone="(isInitDone = true)">
		<view class="cameraUI" v-if="isInitDone">
		  <image class="scanBox" :src=" isOnlyBarCode === true ? '../../static/scan/BarCodeScan.png' : '../../static/scan/scan.png'" mode="widthFix">
		    <image class="scanEffect" src="../../static/scan/scan-effect.png" mode="aspectFill"></image>
		  </image>
		  <view class="control">
		    <view :class="['flashLight', { flashOpen: flash === 'on' }]" @tap="swithFlash" hover-class="flashClick">
		      <image :src="flash === 'off' ? '../../static/scan/flash_close.png' : '../../static/scan/flash_open.png'"></image>
		    </view>
		  </view>
		</view>
	</camera>
</template>

<script setup>
	import { ref } from 'vue';
	import {onLoad} from '@dcloudio/uni-app';
	import {
		useScanCodeStore
	} from '@/stores/scancode.js';
	
	const { isOnlyBarCode } = defineProps({
	  isOnlyBarCode: {
	    type: Boolean,
	    default: false,
	  }
	});
	
	const type = ref("");
	const list = ref([]);
	
	const isInitDone = ref(false);
	const flash = ref("off");
	
	onLoad((options)=>{
		if(options.type){
			type.value=options.type;
		}
	})
	
	const swithFlash = () => {
	  flash.value = flash.value === "off" ? "on" : "off";
	  uni.vibrateShort();
	};
	
	const scancode = useScanCodeStore();
	scancode.clearCode();
	const scanCode = (res) => {
		const {
			result
		} = res.detail;
		if (!list.includes(result)) {
			list.push(result);
			scancode.addCode(result, type.value);
		}
		else
		{
			uni.showToast({
			  icon: "error",
			  title: "重复扫码，请返回或扫描下一个",
			});
			uni.vibrateShort();
		}
	}
</script>

<style lang="less" scoped>
	.cameraUI {
	  width: 750rpx;
	  height: 100%;
	  display: flex;
	  flex-direction: column;
	  justify-content: center;
	  align-items: center;
	  .scanBox {
	    width: 636rpx;
	    display: block;
	    position: relative;
	    .scanEffect {
	      position: absolute;
	      left: 50%;
	      top: 5%;
	      width: 595rpx;
	      height: 86rpx;
	      transform: translateX(-50%);
	      z-index: 1;
	      animation: scan 1.5s ease-in-out infinite;
	    }
	  }
	  .BarCodeScanEffect {
	    top: 30%;
	    animation: BarCodeScan 1.5s ease-in-out infinite;
	  }
	  @keyframes scan {
	    0% {
	      top: 5%;
	      opacity: 0;
	    }
	
	    20% {
	      opacity: 1;
	    }
	
	    80% {
	      opacity: 1;
	    }
	
	    100% {
	      top: 70%;
	      opacity: 0;
	    }
	  }
	  .control {
	    margin-top: 80rpx;
	    height: 110rpx;
	    display: flex;
	    align-items: center;
	    justify-content: center;
	    .flashLight {
	      width: 90rpx;
	      height: 90rpx;
	      background: rgba(74, 74, 74, 0.8);
	      box-shadow: rgba(142, 142, 142, 0.19) 0px 6px 15px 0px;
	      border-radius: 50%;
	      display: flex;
	      align-items: center;
	      justify-content: center;
	      image {
	        width: 60%;
	        height: 60%;
	      }
	    }
	    .flashOpen {
	      backdrop-filter: blur(6px);
	      background: rgba(255, 255, 255, 0.5);
	    }
	    .flashClick {
	      transition: all 0.1s ease-in-out 0s;
	      transform: scale(1.2);
	    }
	  }
	}
</style>