"use client"

import { Card, CardContent, CardHeader, CardTitle } from "@/app/_components/ui/card"
import { Skeleton } from "@/app/_components/ui/skeleton"
import DistrictLayer, { type DistrictFeature } from "./layers/district-layer-old"
import MapView from "./map"
import { Button } from "@/app/_components/ui/button"
import { AlertCircle } from "lucide-react"
import { getMonthName } from "@/app/_utils/common"
import { useRef, useState, useCallback, useMemo, useEffect } from "react"
import { useFullscreen } from "@/app/_hooks/use-fullscreen"
import { Overlay } from "./overlay"
import MapLegend from "./controls/map-legend"
import { useGetAvailableYears, useGetCrimeCategories, useGetCrimes } from "@/app/(pages)/(admin)/dashboard/crime-management/crime-overview/_queries/queries"
import { ITopTooltipsMapId } from "./controls/map-tooltips"
import MapSelectors from "./controls/map-selector"

import CrimeSidebar from "./sidebar/map-sidebar"
import SidebarToggle from "./sidebar/sidebar-toggle"
import { cn } from "@/app/_lib/utils"
import CrimePopup from "./pop-up/crime-popup"
import { $Enums, crime_categories, crime_incidents, crimes, demographics, districts, geographics, locations } from "@prisma/client"
import { CrimeTimelapse } from "./controls/crime-timelapse"
import TopControl from "./controls/top-controls"

// Updated CrimeIncident type to match the structure in crime_incidents
interface CrimeIncident {
    id: string
    timestamp: Date
    description: string
    status: string
    category?: string
    type?: string
    address?: string
    latitude?: number
    longitude?: number
}

export default function CrimeMap() {
    // State for sidebar
    const [sidebarCollapsed, setSidebarCollapsed] = useState(true)
    const [selectedDistrict, setSelectedDistrict] = useState<DistrictFeature | null>(null)
    const [selectedIncident, setSelectedIncident] = useState<CrimeIncident | null>(null)
    const [showLegend, setShowLegend] = useState<boolean>(true)
    const [selectedCategory, setSelectedCategory] = useState<string | "all">("all")
    const [selectedYear, setSelectedYear] = useState<number>(2024)
    const [selectedMonth, setSelectedMonth] = useState<number | "all">("all")
    const [activeControl, setActiveControl] = useState<ITopTooltipsMapId>("incidents")
    const [yearProgress, setYearProgress] = useState(0)
    const [isTimelapsePlaying, setisTimelapsePlaying] = useState(false)
    const [isSearchActive, setIsSearchActive] = useState(false)

    const mapContainerRef = useRef<HTMLDivElement>(null)

    // Use the custom fullscreen hook
    const { isFullscreen } = useFullscreen(mapContainerRef)

    // Get available years
    const {
        data: availableYears,
        isLoading: isYearsLoading,
        error: yearsError
    } = useGetAvailableYears()

    // Extract all unique categories
    const { data: categoriesData, isLoading: isCategoryLoading } = useGetCrimeCategories()

    // Transform categories data to string array
    const categories = useMemo(() =>
        categoriesData ? categoriesData.map(category => category.name) : []
        , [categoriesData])

    // Get all crime data in a single request
    const {
        data: crimes,
        isLoading: isCrimesLoading,
        error: crimesError
    } = useGetCrimes()

    // Filter crimes based on selected year and month
    const filteredByYearAndMonth = useMemo(() => {
        if (!crimes) return []

        return crimes.filter((crime) => {
            const yearMatch = crime.year === selectedYear

            if (selectedMonth === "all") {
                return yearMatch
            } else {
                return yearMatch && crime.month === selectedMonth
            }
        })
    }, [crimes, selectedYear, selectedMonth])

    // Filter incidents based on selected category
    const filteredCrimes = useMemo(() => {
        if (!filteredByYearAndMonth) return []
        if (selectedCategory === "all") return filteredByYearAndMonth

        return filteredByYearAndMonth.map((crime) => {
            const filteredIncidents = crime.crime_incidents.filter(
                incident => incident.crime_categories.name === selectedCategory
            )

            return {
                ...crime,
                crime_incidents: filteredIncidents,
                number_of_crime: filteredIncidents.length
            }
        })
    }, [filteredByYearAndMonth, selectedCategory])

    // Handle incident marker click
    // const handleIncidentClick = (incident: CrimeIncident) => {
    //     console.log("Incident clicked directly:", incident);
    //     if (!incident.longitude || !incident.latitude) {
    //         console.error("Invalid incident coordinates:", incident);
    //         return;
    //     }

    //     // When an incident is clicked, clear any selected district
    //     setSelectedDistrict(null);

    //     // Set the selected incident
    //     setSelectedIncident(incident);
    // }

    // Set up event listener for incident clicks from the district layer
    useEffect(() => {
        const handleIncidentClickEvent = (e: CustomEvent) => {
            console.log("Received incident_click event:", e.detail);
            if (e.detail) {
                if (!e.detail.longitude || !e.detail.latitude) {
                    console.error("Invalid incident coordinates in event:", e.detail);
                    return;
                }

                // When an incident is clicked, clear any selected district
                setSelectedDistrict(null);

                // Set the selected incident
                setSelectedIncident(e.detail);
            }
        }

        // Add event listener to the map container and document
        const mapContainer = mapContainerRef.current

        // Clean up previous listeners to prevent duplicates
        document.removeEventListener('incident_click', handleIncidentClickEvent as EventListener);
        if (mapContainer) {
            mapContainer.removeEventListener('incident_click', handleIncidentClickEvent as EventListener);
        }

        // Listen on both the container and document to ensure we catch the event
        document.addEventListener('incident_click', handleIncidentClickEvent as EventListener);

        if (mapContainer) {
            mapContainer.addEventListener('incident_click', handleIncidentClickEvent as EventListener);
        }

        return () => {
            document.removeEventListener('incident_click', handleIncidentClickEvent as EventListener);

            if (mapContainer) {
                mapContainer.removeEventListener('incident_click', handleIncidentClickEvent as EventListener);
            }
        }
    }, []);

    // Set up event listener for fly-to-incident events from search
    useEffect(() => {
        const handleFlyToIncident = (e: CustomEvent) => {
            if (!e.detail || !e.detail.longitude || !e.detail.latitude) {
                console.error("Invalid fly-to coordinates:", e.detail);
                return;
            }

            // Handle the fly-to event by dispatching to the map
            const mapInstance = mapContainerRef.current?.querySelector('.mapboxgl-map');
            if (mapInstance) {
                // Clear any existing selections first
                setSelectedIncident(null);
                setSelectedDistrict(null);

                // Create an incident object to highlight
                const incidentToHighlight: CrimeIncident = {
                    id: e.detail.id as string,
                    latitude: e.detail.latitude as number,
                    longitude: e.detail.longitude as number,
                    timestamp: new Date(),
                    description: e.detail.description || "",
                    status: e.detail.status
                };

                // First fly to the location
                const flyEvent = new CustomEvent('mapbox_fly_to', {
                    detail: {
                        longitude: e.detail.longitude,
                        latitude: e.detail.latitude,
                        zoom: e.detail.zoom || 15,
                        bearing: 0,
                        pitch: 45,
                        duration: 2000,
                    },
                    bubbles: true
                });

                mapInstance.dispatchEvent(flyEvent);

                // After flying, select the incident with a slight delay
                setTimeout(() => {
                    setSelectedIncident(incidentToHighlight);
                }, 2000);
            }
        }

        // Add event listener
        document.addEventListener('fly_to_incident', handleFlyToIncident as EventListener);

        return () => {
            document.removeEventListener('fly_to_incident', handleFlyToIncident as EventListener);
        }
    }, []);

    // Handle district click
    // const handleDistrictClick = (feature: DistrictFeature) => {
    //     console.log("District clicked in CrimeMap:", feature.name);

    //     // When a district is clicked, clear any selected incident
    //     setSelectedIncident(null);

    //     // Set the selected district (for the sidebar or other components)
    //     setSelectedDistrict(feature);
    // }

    // Handle year-month timeline change
    const handleTimelineChange = useCallback((year: number, month: number, progress: number) => {
        setSelectedYear(year)
        setSelectedMonth(month)
        setYearProgress(progress)
    }, [])

    // Handle timeline playing state change
    const handleTimelinePlayingChange = useCallback((playing: boolean) => {
        setisTimelapsePlaying(playing)

        // When timelapse starts, close any open popups/details 
        if (playing) {
            setSelectedIncident(null)
            setSelectedDistrict(null)
        }
    }, [])

    // Reset filters
    const resetFilters = useCallback(() => {
        setSelectedYear(2024)
        setSelectedMonth("all")
        setSelectedCategory("all")
    }, [])

    // Determine the title based on filters
    const getMapTitle = () => {
        let title = `${selectedYear}`
        if (selectedMonth !== "all") {
            title += ` - ${getMonthName(Number(selectedMonth))}`
        }
        if (selectedCategory !== "all") {
            title += ` - ${selectedCategory}`
        }
        return title
    }

    // Toggle sidebar function
    const toggleSidebar = useCallback(() => {
        setSidebarCollapsed(!sidebarCollapsed)
    }, [sidebarCollapsed])

    // Handle control changes from the top controls component
    const handleControlChange = (controlId: ITopTooltipsMapId) => {
        setActiveControl(controlId)

        // Toggle search state when search control is clicked
        if (controlId === "search") {
            setIsSearchActive(prev => !prev)
        }
    }

    return (
        <Card className="w-full p-0 border-none shadow-none h-96">
            <CardHeader className="flex flex-row pb-2 pt-0 px-0 items-center justify-between">
                <CardTitle>Crime Map {getMapTitle()}</CardTitle>
                <MapSelectors
                    availableYears={availableYears || []}
                    selectedYear={selectedYear}
                    setSelectedYear={setSelectedYear}
                    selectedMonth={selectedMonth}
                    setSelectedMonth={setSelectedMonth}
                    selectedCategory={selectedCategory}
                    setSelectedCategory={setSelectedCategory}
                    categories={categories}
                    isYearsLoading={isYearsLoading}
                    isCategoryLoading={isCategoryLoading}
                />
            </CardHeader>
            <CardContent className="p-0">
                {isCrimesLoading ? (
                    <div className="flex items-center justify-center h-96">
                        <Skeleton className="h-full w-full rounded-md" />
                    </div>
                ) : crimesError ? (
                    <div className="flex flex-col items-center justify-center h-96 gap-4">
                        <AlertCircle className="h-10 w-10 text-destructive" />
                        <p className="text-center">Failed to load crime data. Please try again later.</p>
                            <Button onClick={() => window.location.reload()}>Retry</Button>
                    </div>
                ) : (
                            <div className="relative h-[600px]" ref={mapContainerRef}>
                                <div className={cn(
                                    "transition-all duration-300 ease-in-out",
                                    !sidebarCollapsed && isFullscreen && "ml-[400px]"
                                )}>
                                    <MapView mapStyle="mapbox://styles/mapbox/dark-v11" className="h-[600px] w-full rounded-md">
                                        {/* District Layer with crime data - don't pass onClick if we want internal popup */}
                                        <DistrictLayer
                                            crimes={filteredCrimes || []}
                                            year={selectedYear.toString()}
                                            month={selectedMonth.toString()}
                                            filterCategory={selectedCategory}

                                        />

                                        {/* Popup for selected incident */}
                                        {selectedIncident && selectedIncident.latitude && selectedIncident.longitude && (
                                            <>
                                                <CrimePopup
                                                    longitude={selectedIncident.longitude}
                                                    latitude={selectedIncident.latitude}
                                                    onClose={() => setSelectedIncident(null)}
                                                    crime={selectedIncident}
                                                />

                                            </>
                                        )}

                                        {/* Components that are only visible in fullscreen mode */}
                                        {isFullscreen && (
                                            <>
                                                <Overlay position="top" className="m-0 bg-transparent shadow-none p-0 border-none">
                                                    <div className="flex justify-center">
                                                        <TopControl
                                                            activeControl={activeControl}
                                                            onControlChange={handleControlChange}
                                                            selectedYear={selectedYear}
                                                            setSelectedYear={setSelectedYear}
                                                            selectedMonth={selectedMonth}
                                                            setSelectedMonth={setSelectedMonth}
                                                            selectedCategory={selectedCategory}
                                                            setSelectedCategory={setSelectedCategory}
                                                            availableYears={availableYears || []}
                                                            categories={categories}
                                                        />
                                                    </div>
                                                </Overlay>

                                                {/* Pass selectedCategory, selectedYear, and selectedMonth to the sidebar */}
                                                <CrimeSidebar
                                                    crimes={filteredCrimes || []}
                                                    defaultCollapsed={sidebarCollapsed}
                                                    selectedCategory={selectedCategory}
                                                    selectedYear={selectedYear}
                                                    selectedMonth={selectedMonth}
                                                />
                                                <div className="absolute bottom-20 right-0 z-10 p-2">
                                                <MapLegend position="bottom-right" />
                                                </div>

                                            </>
                                        )}

                                        {isFullscreen && (
                                            <div className="absolute flex w-full bottom-0">
                                                <CrimeTimelapse
                                                    startYear={2020}
                                                    endYear={2024}
                                                    autoPlay={false}
                                                    onChange={handleTimelineChange}
                                                    onPlayingChange={handleTimelinePlayingChange}
                                                />
                                            </div>
                                        )}
                                    </MapView>
                                </div>
                    </div>
                )}
            </CardContent>
        </Card>
    )
}