"use client"

import {useState} from "react"
import {Circle, LayersControl, MapContainer, Marker, Polyline, Popup, TileLayer} from "react-leaflet"
import {Badge, Card, Descriptions, Divider, Switch} from "antd"
import {Icon} from "leaflet"
import "leaflet/dist/leaflet.css"

// 修复 Leaflet 默认图标问题
if (typeof window !== "undefined") {
  delete (Icon.Default.prototype as any)._getIconUrl
  Icon.Default.mergeOptions({
    iconRetinaUrl: "https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-icon-2x.png",
    iconUrl: "https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-icon.png",
    shadowUrl: "https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-shadow.png",
  })
}

const mockPipelineData = [
  {
    id: "pipeline_001",
    name: "五一大道主干管",
    coordinates: [
      [28.2282, 112.9388],
      [28.2292, 112.9398],
      [28.2302, 112.9408],
      [28.2312, 112.9418],
    ],
    pressure: "中压",
    material: "钢管",
    diameter: "DN400",
    status: "正常",
  },
  {
    id: "pipeline_002",
    name: "芙蓉路支管",
    coordinates: [
      [28.2312, 112.9418],
      [28.2322, 112.9428],
      [28.2332, 112.9438],
    ],
    pressure: "低压",
    material: "PE管",
    diameter: "DN200",
    status: "维护中",
  },
  {
    id: "pipeline_003",
    name: "韶山路干管",
    coordinates: [
      [28.2202, 112.9308],
      [28.2212, 112.9318],
      [28.2222, 112.9328],
      [28.2232, 112.9338],
    ],
    pressure: "高压",
    material: "钢管",
    diameter: "DN600",
    status: "正常",
  },
]

const mockMonitoringDevices = [
  {
    id: "device_CS001",
    name: "压力监测点CS001",
    position: [28.2282, 112.9388],
    type: "压力监测",
    status: "在线",
    value: "0.28MPa",
    lastUpdate: "2024-01-15 14:30:00",
  },
  {
    id: "device_CS002",
    name: "流量监测点CS002",
    position: [28.2302, 112.9408],
    type: "流量监测",
    status: "在线",
    value: "156m³/h",
    lastUpdate: "2024-01-15 14:29:45",
  },
  {
    id: "device_CS003",
    name: "甲烷浓度监测CS003",
    position: [28.2322, 112.9428],
    type: "气体浓度",
    status: "报警",
    value: "0.6%LEL",
    lastUpdate: "2024-01-15 14:31:12",
  },
  {
    id: "device_CS004",
    name: "温度监测点CS004",
    position: [28.2222, 112.9328],
    type: "温度监测",
    status: "在线",
    value: "15.2°C",
    lastUpdate: "2024-01-15 14:30:30",
  },
]

const mockHazardPoints = [
  {
    id: "hazard_CS001",
    name: "管道老化隐患",
    position: [28.2292, 112.9398],
    level: "较大",
    type: "设备老化",
    description: "五一大道段管道使用年限超过20年，存在老化风险",
    status: "待处理",
  },
  {
    id: "hazard_CS002",
    name: "地铁施工风险",
    position: [28.2332, 112.9438],
    level: "重大",
    type: "外部威胁",
    description: "芙蓉路地铁3号线施工，可能影响管道安全",
    status: "处理中",
  },
  {
    id: "hazard_CS003",
    name: "道路改造影响",
    position: [28.2212, 112.9318],
    level: "一般",
    type: "外部威胁",
    description: "韶山路改造工程可能对管道造成影响",
    status: "已处理",
  },
]

const mockRiskAreas = [
  {
    id: "risk_CS001",
    center: [28.2292, 112.9398],
    radius: 200,
    level: "较大风险",
    color: "#faad14",
  },
  {
    id: "risk_CS002",
    center: [28.2332, 112.9438],
    radius: 300,
    level: "重大风险",
    color: "#f5222d",
  },
  {
    id: "risk_CS003",
    center: [28.2212, 112.9318],
    radius: 150,
    level: "低风险",
    color: "#52c41a",
  },
]

// 自定义图标
const createCustomIcon = (color: string, symbol: string) => {
  return new Icon({
    iconUrl: `data:image/svg+xml;base64,${btoa(`
      <svg width="25" height="41" viewBox="0 0 25 41" xmlns="http://www.w3.org/2000/svg">
        <path fill="${color}" stroke="#fff" strokeWidth="2" d="M12.5 0C5.6 0 0 5.6 0 12.5c0 12.5 12.5 28.5 12.5 28.5s12.5-16 12.5-28.5C25 5.6 19.4 0 12.5 0z"/>
        <text x="12.5" y="17" textAnchor="middle" fill="white" fontSize="12" fontWeight="bold">${symbol}</text>
      </svg>
    `)}`,
    iconSize: [25, 41],
    iconAnchor: [12, 41],
    popupAnchor: [1, -34],
  })
}

const deviceIcon = createCustomIcon("#1890ff", "D")
const hazardIcon = createCustomIcon("#faad14", "!")
const criticalHazardIcon = createCustomIcon("#f5222d", "!!")

interface GasNetworkMapProps {
  height?: string
}

export default function GasNetworkMap({ height = "600px" }: GasNetworkMapProps) {
  const [showPipelines, setShowPipelines] = useState(true)
  const [showDevices, setShowDevices] = useState(true)
  const [showHazards, setShowHazards] = useState(true)
  const [showRiskAreas, setShowRiskAreas] = useState(true)

  return (
    <div className="w-full">
      <Card className="mb-4">
        <div className="flex flex-wrap gap-4 items-center">
          <div className="flex items-center gap-2">
            <Switch checked={showPipelines} onChange={setShowPipelines} size="small" />
            <span>管网管线</span>
          </div>
          <div className="flex items-center gap-2">
            <Switch checked={showDevices} onChange={setShowDevices} size="small" />
            <span>监测设备</span>
          </div>
          <div className="flex items-center gap-2">
            <Switch checked={showHazards} onChange={setShowHazards} size="small" />
            <span>隐患点位</span>
          </div>
          <div className="flex items-center gap-2">
            <Switch checked={showRiskAreas} onChange={setShowRiskAreas} size="small" />
            <span>风险区域</span>
          </div>
        </div>
      </Card>

      <Card>
        <div style={{ height }}>
          <MapContainer center={[28.2282, 112.9388]} zoom={14} style={{ height: "100%", width: "100%" }}>
            <LayersControl position="topright">
              <LayersControl.BaseLayer checked name="标准地图">
                <TileLayer
                  attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
                  url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
                />
              </LayersControl.BaseLayer>

              <LayersControl.BaseLayer name="卫星地图">
                <TileLayer
                  attribution='&copy; <a href="https://www.esri.com/">Esri</a>'
                  url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}"
                />
              </LayersControl.BaseLayer>
            </LayersControl>

            {/* 管网管线 */}
            {showPipelines &&
              mockPipelineData.map((pipeline) => (
                <Polyline
                  key={pipeline.id}
                  positions={pipeline.coordinates as [number, number][]}
                  color={pipeline.status === "正常" ? "#52c41a" : "#faad14"}
                  weight={6}
                  opacity={0.8}
                >
                  <Popup>
                    <div className="min-w-64">
                      <h4 className="font-semibold mb-2">{pipeline.name}</h4>
                      <Descriptions size="small" column={1}>
                        <Descriptions.Item label="管道编号">{pipeline.id}</Descriptions.Item>
                        <Descriptions.Item label="压力等级">{pipeline.pressure}</Descriptions.Item>
                        <Descriptions.Item label="管材">{pipeline.material}</Descriptions.Item>
                        <Descriptions.Item label="管径">{pipeline.diameter}</Descriptions.Item>
                        <Descriptions.Item label="状态">
                          <Badge status={pipeline.status === "正常" ? "success" : "warning"} text={pipeline.status} />
                        </Descriptions.Item>
                      </Descriptions>
                    </div>
                  </Popup>
                </Polyline>
              ))}

            {/* 监测设备 */}
            {showDevices &&
              mockMonitoringDevices.map((device) => (
                <Marker key={device.id} position={device.position as [number, number]} icon={deviceIcon}>
                  <Popup>
                    <div className="min-w-64">
                      <h4 className="font-semibold mb-2">{device.name}</h4>
                      <Descriptions size="small" column={1}>
                        <Descriptions.Item label="设备编号">{device.id}</Descriptions.Item>
                        <Descriptions.Item label="监测类型">{device.type}</Descriptions.Item>
                        <Descriptions.Item label="当前值">{device.value}</Descriptions.Item>
                        <Descriptions.Item label="状态">
                          <Badge
                            status={
                              device.status === "在线" ? "success" : device.status === "报警" ? "error" : "default"
                            }
                            text={device.status}
                          />
                        </Descriptions.Item>
                        <Descriptions.Item label="更新时间">{device.lastUpdate}</Descriptions.Item>
                      </Descriptions>
                    </div>
                  </Popup>
                </Marker>
              ))}

            {/* 隐患点位 */}
            {showHazards &&
              mockHazardPoints.map((hazard) => (
                <Marker
                  key={hazard.id}
                  position={hazard.position as [number, number]}
                  icon={hazard.level === "重大" ? criticalHazardIcon : hazardIcon}
                >
                  <Popup>
                    <div className="min-w-64">
                      <h4 className="font-semibold mb-2">{hazard.name}</h4>
                      <Descriptions size="small" column={1}>
                        <Descriptions.Item label="隐患编号">{hazard.id}</Descriptions.Item>
                        <Descriptions.Item label="风险等级">
                          <Badge color={hazard.level === "重大" ? "red" : "orange"} text={hazard.level} />
                        </Descriptions.Item>
                        <Descriptions.Item label="隐患类型">{hazard.type}</Descriptions.Item>
                        <Descriptions.Item label="处理状态">
                          <Badge status={hazard.status === "待处理" ? "warning" : "processing"} text={hazard.status} />
                        </Descriptions.Item>
                      </Descriptions>
                      <Divider style={{ margin: "8px 0" }} />
                      <p className="text-sm text-gray-600">{hazard.description}</p>
                    </div>
                  </Popup>
                </Marker>
              ))}

            {/* 风险区域 */}
            {showRiskAreas &&
              mockRiskAreas.map((area) => (
                <Circle
                  key={area.id}
                  center={area.center as [number, number]}
                  radius={area.radius}
                  fillColor={area.color}
                  fillOpacity={0.2}
                  color={area.color}
                  weight={2}
                >
                  <Popup>
                    <div>
                      <h4 className="font-semibold mb-2">风险评估区域</h4>
                      <p>
                        风险等级: <Badge color={area.color} text={area.level} />
                      </p>
                      <p>影响半径: {area.radius}米</p>
                    </div>
                  </Popup>
                </Circle>
              ))}
          </MapContainer>
        </div>
      </Card>
    </div>
  )
}