<template>
	<view class="content">
		<view @click="echarts.onClick"   :change:prop="echarts.updateEcharts" id="echarts" class="echarts"></view>
	</view>
</template>

<script>
	export default {
		name: 'chart',
		props: {
			fbindData: {
				type: Object,
				default: null
			}
		},
		
		 computed: {
		    bindData() {
		      return this.fbindData;
		    },
			
			
		  },
		data() {

			return {
				aa:0

			}
		},
		onLoad() {

		},
		methods: {
			onViewClick(options) {
				console.log(options)
			}
		}
	}
</script>

<script module="echarts" lang="renderjs">
	let myChart
	export default {
		mounted() {
			
		
			if (typeof window.echarts === 'function') {
				this.initEcharts()
			} else {
				// 动态引入较大类库避免影响页面展示
				const script = document.createElement('script')
				// view 层的页面运行在 www 根目录，其相对路径相对于 www 计算
				script.src = 'static/echarts.min.js'
				script.onload = this.initEcharts.bind(this)
				document.head.appendChild(script)
			}
		},
		methods: {
			initEcharts() {
				console.log('子组件bindData.fire_water_count')
				console.log(this.bindData.fire_water_count)
				var dataname = ['消防水系统', '报警主机', '电气火灾', '其他', '监控视频']
				var datavaule = [this.bindData.fire_water_count, this.bindData.alarm_host_count, this.bindData.electrical_fire_count, this.bindData.other_count, this.bindData.video_monitoring_count]
				var aa = [this.bindData.fire_water_count, this.bindData.alarm_host_count, this.bindData.electrical_fire_count, this.bindData.other_count, this.bindData.video_monitoring_count]
				aa.sort(function (a, b) {
				  return a-b;
				}); 
				aa=aa.pop();
				var datamax = [aa, aa, aa, aa, aa];
				var color = ['#3C8BF0', '#06CDF8', '#0ECB70', '#6744EF', '#FFD803'];
				
				var indicator = []
				
				for (var i = 0; i < dataname.length; i++) {
					indicator.push({
						name: dataname[i],
						max: datamax[i],
						color: color[i]
					})
				}
				
				function contains(arrays, obj) {
					var i = arrays.length;
					while (i--) {
						if (arrays[i] === obj) {
							return i;
						}
					}
					return false;
				}

				myChart = echarts.init(document.getElementById('echarts'))
				// 观测更新的数据在 view 层可以直接访问到
				myChart.setOption({
					tooltip: {
						formatter: function() {
							var html = '';
							for (var i = 0; i < datavaule.length; i++) {
								html += dataname[i] + ' : ' + datavaule[i] + '\n'
							}
							return html
						}
					},
					radar: {
						center: ["50%", "50%"],
						radius: "72%",
						splitArea: {
							areaStyle: {
								color: [
									'#6494fe', '#d1dfff',
									'#6494fe', '#d1dfff',
								]
							}
						},

						axisLabel: {
							show: false,
						},
						axisLine: {
							show: true,
							lineStyle: {
								color: "rgba(255,255,255,.5)",

							}
						},
						splitLine: {
							lineStyle: {
								color: '#fff', // 分隔线颜色
								width: 1 // 分隔线线宽
							}
						},

						name: {
							formatter: function(value) {
								var i = contains(dataname, value);
								var percent = datavaule[i];

								return '{a|' + value + '}\n  ' + '{b|' + percent + '}'
							},
							textStyle: {
								rich: {
									a: {
										// color: '#333',
										fontSize: 13,
										align: 'center',
										padding: [-5, 0, 0, 0]
									},
									b: {
										// color: 'red',
										fontSize: 13,
										align: 'center',
										padding: [-18, 0, 0, -7]



									}
								},
							},
						},
						indicator: indicator
					},

					series: [{
						type: "radar",
						symbol: "circle",
						symbolSize: 7,
						areaStyle: {
							normal: {
								color: 'rgba(255,2,2, 0.5)',
							},
						},
						itemStyle: {
							color: '#fff',
							borderColor: '#ff0202',
							borderWidth: 1,
						},
						lineStyle: {
							normal: {
								color: "#ff0202",
								width: 1
							}
						},
						data: [datavaule]
					}]
				})
			},
			updateEcharts(newValue, oldValue, ownerInstance, instance) {
				// 监听 service 层数据变更
				myChart.setOption(newValue)
			},
			onClick(event, ownerInstance) {
				// 调用 service 层的方法
				ownerInstance.callMethod('onViewClick', {
					test: 'test'
				})
			}
		}
	}
</script>

<style>
	.content {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}

	.echarts {
		width: 100%;
		height: 500rpx;
		margin-top: 70rpx;
		/* background:pink */
	}
</style>
