"use client"

import { useEffect, useCallback, useRef } from "react"
import type { IIncidentLogs } from "@/app/_utils/types/crimes"

interface RecentIncidentsLayerProps {
    visible?: boolean
    map: any
    incidents?: IIncidentLogs[]
}

export default function RecentIncidentsLayer({
    visible = false,
    map,
    incidents = [],
}: RecentIncidentsLayerProps) {
    const isInteractingWithMarker = useRef(false);

    // Filter incidents from the last 24 hours
    const recentIncidents = incidents.filter(incident => {
        if (!incident.timestamp) return false;
        const incidentDate = new Date(incident.timestamp);
        const now = new Date();
        const timeDiff = now.getTime() - incidentDate.getTime();
        // 86400000 = 24 hours in milliseconds
        return timeDiff <= 86400000;
    });

    const handleIncidentClick = useCallback(
        (e: any) => {
            if (!map) return;

            const features = map.queryRenderedFeatures(e.point, { layers: ["recent-incidents"] });
            if (!features || features.length === 0) return;

            isInteractingWithMarker.current = true;

            const incident = features[0];
            if (!incident.properties) return;

            e.originalEvent.stopPropagation();
            e.preventDefault();

            const incidentDetails = {
                id: incident.properties.id,
                description: incident.properties.description,
                status: incident.properties?.status || "Active",
                longitude: (incident.geometry as any).coordinates[0],
                latitude: (incident.geometry as any).coordinates[1],
                timestamp: new Date(incident.properties.timestamp || Date.now()),
                category: incident.properties.category,
            };

            console.log("Recent incident clicked:", incidentDetails);

            // Ensure markers stay visible
            if (map.getLayer("recent-incidents")) {
                map.setLayoutProperty("recent-incidents", "visibility", "visible");
            }

            // First fly to the incident location
            map.flyTo({
                center: [incidentDetails.longitude, incidentDetails.latitude],
                zoom: 15,
                bearing: 0,
                pitch: 45,
                duration: 2000,
            });

            // Dispatch the incident_click event to show the popup
            const customEvent = new CustomEvent("incident_click", {
                detail: incidentDetails,
                bubbles: true,
            });

            map.getCanvas().dispatchEvent(customEvent);
            document.dispatchEvent(customEvent);

            // Reset the flag after a delay
            setTimeout(() => {
                isInteractingWithMarker.current = false;
            }, 5000);
        },
        [map]
    );

    useEffect(() => {
        if (!map || !visible) return;

        console.log(`Setting up recent incidents layer with ${recentIncidents.length} incidents from the last 24 hours`);

        // Convert incidents to GeoJSON
        const recentData = {
            type: "FeatureCollection" as const,
            features: recentIncidents.map(incident => ({
                type: "Feature" as const,
                geometry: {
                    type: "Point" as const,
                    coordinates: [incident.longitude, incident.latitude],
                },
                properties: {
                    id: incident.id,
                    user_id: incident.user_id,
                    address: incident.address,
                    description: incident.description,
                    timestamp: incident.timestamp ? incident.timestamp.toString() : new Date().toString(),
                    category: incident.category,
                    district: incident.district,
                    severity: incident.severity,
                    status: incident.verified,
                    source: incident.source,
                },
            })),
        };

        const setupLayerAndSource = () => {
            try {
                // Check if source exists and update it
                if (map.getSource("recent-incidents-source")) {
                    (map.getSource("recent-incidents-source") as any).setData(recentData);
                } else {
                    // If not, add source
                    map.addSource("recent-incidents-source", {
                        type: "geojson",
                        data: recentData,
                    });
                }

                // Find first symbol layer for proper layering
                const layers = map.getStyle().layers;
                let firstSymbolId: string | undefined;
                for (const layer of layers) {
                    if (layer.type === "symbol") {
                        firstSymbolId = layer.id;
                        break;
                    }
                }

                // Check if layer exists already
                if (!map.getLayer("recent-incidents")) {
                    map.addLayer({
                        id: "recent-incidents",
                        type: "circle",
                        source: "recent-incidents-source",
                        paint: {
                            "circle-color": "#FF5252", // Red color for recent incidents
                            "circle-radius": [
                                "interpolate",
                                ["linear"],
                                ["zoom"],
                                7, 4,  // Slightly larger at lower zooms for visibility
                                12, 8,
                                15, 12, // Larger maximum size
                            ],
                            "circle-stroke-width": 2,
                            "circle-stroke-color": "#FFFFFF",
                            "circle-opacity": 0.8,
                            // Add a pulsing effect
                            "circle-stroke-opacity": [
                                "interpolate",
                                ["linear"],
                                ["zoom"],
                                7, 0.5,
                                15, 0.8
                            ],
                        },
                        layout: {
                            visibility: visible ? "visible" : "none",
                        }
                    }, firstSymbolId);

                    // Add a glow effect with a larger circle behind
                    map.addLayer({
                        id: "recent-incidents-glow",
                        type: "circle",
                        source: "recent-incidents-source",
                        paint: {
                            "circle-color": "#FF5252",
                            "circle-radius": [
                                "interpolate",
                                ["linear"],
                                ["zoom"],
                                7, 6,
                                12, 12,
                                15, 18,
                            ],
                            "circle-opacity": 0.2,
                            "circle-blur": 1,
                        },
                        layout: {
                            visibility: visible ? "visible" : "none",
                        }
                    }, "recent-incidents");

                    // Add mouse events
                    map.on("mouseenter", "recent-incidents", () => {
                        map.getCanvas().style.cursor = "pointer";
                    });

                    map.on("mouseleave", "recent-incidents", () => {
                        map.getCanvas().style.cursor = "";
                    });
                } else {
                    // Update existing layer visibility
                    map.setLayoutProperty("recent-incidents", "visibility", visible ? "visible" : "none");
                    map.setLayoutProperty("recent-incidents-glow", "visibility", visible ? "visible" : "none");
                }

                // Ensure click handler is properly registered
                map.off("click", "recent-incidents", handleIncidentClick);
                map.on("click", "recent-incidents", handleIncidentClick);

            } catch (error) {
                console.error("Error setting up recent incidents layer:", error);
            }
        };

        // Check if style is loaded and set up layer accordingly
        if (map.isStyleLoaded()) {
            setupLayerAndSource();
        } else {
            map.once("style.load", setupLayerAndSource);

            // Fallback
            setTimeout(() => {
                if (map.isStyleLoaded()) {
                    setupLayerAndSource();
                } else {
                    console.warn("Map style still not loaded after timeout");
                }
            }, 1000);
        }

        return () => {
            if (map) {
                map.off("click", "recent-incidents", handleIncidentClick);
            }
        };
    }, [map, visible, recentIncidents, handleIncidentClick]);

    return null;
}