Main/resources/[carscripts]/nordi_rental/client.lua

local QBCore = exports['qb-core']:GetCoreObject()
local spawnedNPCs = {}
local activeRentalVehicles = {}

-- NPCs spawnen
CreateThread(function()
    -- Warte kurz, bis die Welt geladen ist
    Wait(2000)
    
    for i = 1, #Config.RentalLocations do
        local location = Config.RentalLocations[i]
        local modelHash = GetHashKey(location.npc.model)
        
        -- Modell laden
        RequestModel(modelHash)
        local timeout = 0
        while not HasModelLoaded(modelHash) and timeout < 30 do
            Wait(100)
            timeout = timeout + 1
        end
        
        if HasModelLoaded(modelHash) then
            -- NPC erstellen
            local coords = location.npc.coords
            local npc = CreatePed(4, modelHash, coords.x, coords.y, coords.z - 1.0, coords.w, false, false)
            
            -- NPC-Eigenschaften setzen
            FreezeEntityPosition(npc, true)
            SetEntityInvincible(npc, true)
            SetBlockingOfNonTemporaryEvents(npc, true)
            SetPedDefaultComponentVariation(npc)
            
            -- NPC speichern
            spawnedNPCs[location.id] = npc
            
            -- Debug-Info
            print("NPC spawned at location: " .. location.name)
            
            -- QB-Target für NPC
            exports['qb-target']:AddTargetEntity(npc, {
                options = {
                    {
                        type = "client",
                        event = "vehiclerental:client:openMenu",
                        icon = "fas fa-car",
                        label = "Fahrzeug mieten",
                        locationId = location.id
                    },
                    {
                        type = "client",
                        event = "vehiclerental:client:returnVehicle",
                        icon = "fas fa-car-side",
                        label = "Fahrzeug zurückgeben",
                        locationId = location.id
                    }
                },
                distance = 2.0
            })
        else
            print("Failed to load NPC model for location: " .. location.name)
        end
    end
end)

-- Mietmenü öffnen
RegisterNetEvent('vehiclerental:client:openMenu', function(data)
    local locationId = data.locationId
    local location = nil
    
    for i = 1, #Config.RentalLocations do
        if Config.RentalLocations[i].id == locationId then
            location = Config.RentalLocations[i]
            break
        end
    end
    
    if not location then return end

    local options = {}
    for i = 1, #location.vehicles do
        local vehicle = location.vehicles[i]
        table.insert(options, {
            title = vehicle.label,
            description = '$' .. vehicle.price .. ' pro Stunde',
            icon = 'car',
            onSelect = function()
                openRentalDialog(vehicle, location)
            end
        })
    end

    lib.registerContext({
        id = 'vehicle_rental_menu',
        title = location.name,
        options = options
    })

    lib.showContext('vehicle_rental_menu')
end)

-- Mietdialog
function openRentalDialog(vehicle, location)
    local input = lib.inputDialog('Fahrzeug mieten', {
        {
            type = 'number',
            label = 'Mietdauer (Stunden)',
            description = 'Maximale Mietdauer: ' .. Config.MaxRentalTime .. ' Stunden',
            required = true,
            min = 1,
            max = Config.MaxRentalTime
        }
    })

    if not input or not input[1] then return end

    local hours = tonumber(input[1])
    if not hours or hours < 1 or hours > Config.MaxRentalTime then
        QBCore.Functions.Notify('Ungültige Mietdauer!', 'error')
        return
    end

    local totalCost = vehicle.price * hours
    local plate = GeneratePlate()

    QBCore.Functions.TriggerCallback('vehiclerental:server:rentVehicle', function(success)
        if success then
            spawnRentalVehicle(vehicle.model, location.spawnPoint, plate)
        end
    end, {
        vehicleModel = vehicle.model,
        pricePerHour = vehicle.price,
        hours = hours,
        locationId = location.id,
        plate = plate
    })
end

-- Fahrzeug spawnen
function spawnRentalVehicle(model, spawnPoint, plate)
    RequestModel(model)
    while not HasModelLoaded(model) do
        Wait(1)
    end

    local vehicle = CreateVehicle(model, spawnPoint.x, spawnPoint.y, spawnPoint.z, spawnPoint.w, true, false)
    SetVehicleNumberPlateText(vehicle, plate)
    SetEntityAsMissionEntity(vehicle, true, true)
    TaskWarpPedIntoVehicle(PlayerPedId(), vehicle, -1)
    
    TriggerEvent("vehiclekeys:client:SetOwner", plate)
    SetModelAsNoLongerNeeded(model)
    
    -- Speichere das Fahrzeug lokal
    activeRentalVehicles[plate] = vehicle
    
    -- Speichere die initiale Position
    local pos = GetEntityCoords(vehicle)
    local rot = GetEntityRotation(vehicle)
    TriggerServerEvent('vehiclerental:server:updatePosition', plate, pos, rot)
    
    print("Neues Mietfahrzeug erstellt: " .. plate)
end

-- Fahrzeug zurückgeben
RegisterNetEvent('vehiclerental:client:returnVehicle', function(data)
    -- Hole alle aktiven Mietverhältnisse des Spielers
    QBCore.Functions.TriggerCallback('vehiclerental:server:getPlayerRentals', function(rentals)
        if not rentals or #rentals == 0 then
            QBCore.Functions.Notify('Du hast keine aktiven Mietverhältnisse!', 'error')
            return
        end

        -- Erstelle Menü mit allen gemieteten Fahrzeugen
        local options = {}
        for i = 1, #rentals do
            local rental = rentals[i]
            
            table.insert(options, {
                title = rental.vehicle_model .. " - " .. rental.vehicle_plate,
                description = "Zurückgeben " .. rental.timeText,
                icon = 'car',
                onSelect = function()
                    returnSpecificVehicle(rental.vehicle_plate, data.locationId)
                end
            })
        end

        lib.registerContext({
            id = 'return_vehicle_menu',
            title = 'Fahrzeug zurückgeben',
            options = options
        })

        lib.showContext('return_vehicle_menu')
    end)
end)

-- Spezifisches Fahrzeug zurückgeben
function returnSpecificVehicle(plate, locationId)
    -- Finde die Location-Daten
    local location = nil
    for i = 1, #Config.RentalLocations do
        if Config.RentalLocations[i].id == locationId then
            location = Config.RentalLocations[i]
            break
        end
    end
    
    if not location then
        QBCore.Functions.Notify('Fehler beim Finden des Rückgabeorts!', 'error')
        return
    end
    
    -- Definiere den Rückgabeort
    local returnPoint = vector3(location.returnPoint.x, location.returnPoint.y, location.returnPoint.z)
    
    -- Finde das Fahrzeug in der Nähe
    local vehicle = nil
    local closestDistance = 50.0 -- Maximale Suchentfernung
    
    -- Suche nach dem Fahrzeug mit dem Kennzeichen
    for veh in EnumerateVehicles() do
        local vehPlate = GetVehicleNumberPlateText(veh)
        if string.gsub(vehPlate, "%s+", "") == string.gsub(plate, "%s+", "") then
            local vehPos = GetEntityCoords(veh)
            local distance = #(returnPoint - vehPos)
            
            if distance < closestDistance then
                vehicle = veh
                closestDistance = distance
            end
        end
    end

    if not vehicle then
        QBCore.Functions.Notify('Fahrzeug nicht in der Nähe des Rückgabeorts gefunden!', 'error')
        return
    end

    -- Prüfe ob das Fahrzeug nahe genug am Rückgabeort ist
    local vehPos = GetEntityCoords(vehicle)
    local distance = #(returnPoint - vehPos)
    
    if distance > Config.MaxReturnDistance then
        QBCore.Functions.Notify('Das Fahrzeug muss näher am Rückgabeort sein! (Max. ' .. Config.MaxReturnDistance .. 'm)', 'error')
        return
    end

    -- Fahrzeug zurückgeben
    QBCore.Functions.TriggerCallback('vehiclerental:server:returnVehicle', function(success)
        if success then
            DeleteVehicle(vehicle)
            activeRentalVehicles[plate] = nil
            QBCore.Functions.Notify('Fahrzeug erfolgreich zurückgegeben!', 'success')
        end
    end, plate)
end

-- Lade alle aktiven Mietfahrzeuge
RegisterNetEvent('vehiclerental:client:loadRentals')
AddEventHandler('vehiclerental:client:loadRentals', function(rentals)
    -- Lösche alle vorhandenen Mietfahrzeuge
    for plate, vehicle in pairs(activeRentalVehicles) do
        if DoesEntityExist(vehicle) then
            DeleteVehicle(vehicle)
        end
    end
    
    activeRentalVehicles = {}
    
    -- Spawne alle aktiven Mietfahrzeuge
    for _, rental in ipairs(rentals) do
        -- Prüfe, ob das Fahrzeug dem aktuellen Spieler gehört
        local playerCitizenId = QBCore.Functions.GetPlayerData().citizenid
        
        if rental.citizenid == playerCitizenId then
            -- Spawne das Fahrzeug nur, wenn es eine Position hat
            if rental.posX ~= 0 or rental.posY ~= 0 or rental.posZ ~= 0 then
                Citizen.CreateThread(function()
                    local model = rental.vehicle_model
                    local plate = rental.vehicle_plate
                    
                    -- Lade das Modell
                    RequestModel(model)
                    while not HasModelLoaded(model) do
                        Citizen.Wait(10)
                    end
                    
                    -- Spawne das Fahrzeug
                    local vehicle = CreateVehicle(model, 
                        rental.posX, rental.posY, rental.posZ, 
                        rental.rotZ or 0.0, true, false)
                    
                    -- Setze Eigenschaften
                    SetVehicleNumberPlateText(vehicle, plate)
                    SetEntityAsMissionEntity(vehicle, true, true)
                    SetVehicleDoorsLocked(vehicle, 2) -- Abgeschlossen
                    
                    -- Setze Rotation
                    SetEntityRotation(vehicle, 
                        rental.rotX or 0.0, 
                        rental.rotY or 0.0, 
                        rental.rotZ or 0.0, 
                        2, true)
                    
                    -- Gib dem Spieler die Schlüssel
                    TriggerEvent("vehiclekeys:client:SetOwner", plate)
                    
                    -- Speichere das Fahrzeug lokal
                    activeRentalVehicles[plate] = vehicle
                    
                    print("Mietfahrzeug geladen: " .. plate)
                end)
            end
        end
    end
end)

-- Fahrzeug zurückgegeben
RegisterNetEvent('vehiclerental:client:vehicleReturned')
AddEventHandler('vehiclerental:client:vehicleReturned', function(plate)
    -- Lösche das Fahrzeug, wenn es existiert
    if activeRentalVehicles[plate] and DoesEntityExist(activeRentalVehicles[plate]) then
        DeleteVehicle(activeRentalVehicles[plate])
        activeRentalVehicles[plate] = nil
        print("Mietfahrzeug gelöscht: " .. plate)
    end
end)

-- Regelmäßiges Update der Fahrzeugpositionen
Citizen.CreateThread(function()
    while true do
        Citizen.Wait(30000) -- Alle 30 Sekunden
        
        -- Update alle aktiven Mietfahrzeuge
        for plate, vehicle in pairs(activeRentalVehicles) do
            if DoesEntityExist(vehicle) then
                local pos = GetEntityCoords(vehicle)
                local rot = GetEntityRotation(vehicle)
                TriggerServerEvent('vehiclerental:server:updatePosition', plate, pos, rot)
            end
        end
    end
end)

-- Wenn der Spieler das Fahrzeug verlässt, aktualisiere die Position
Citizen.CreateThread(function()
    while true do
        Citizen.Wait(500)
        
        local playerPed = PlayerPedId()
        local vehicle = GetVehiclePedIsIn(playerPed, true)
        
        if vehicle ~= 0 then
            local plate = GetVehicleNumberPlateText(vehicle)
            
            -- Wenn es ein Mietfahrzeug ist und der Spieler es gerade verlassen hat
            if activeRentalVehicles[plate] and not IsPedInVehicle(playerPed, vehicle, false) then
                local pos = GetEntityCoords(vehicle)
                local rot = GetEntityRotation(vehicle)
                TriggerServerEvent('vehiclerental:server:updatePosition', plate, pos, rot)
            end
        end
    end
end)

-- Fahrzeug-Enumerator
function EnumerateVehicles()
    return coroutine.wrap(function()
        local handle, vehicle = FindFirstVehicle()
        local success
        repeat
            coroutine.yield(vehicle)
            success, vehicle = FindNextVehicle(handle)
        until not success
        EndFindVehicle(handle)
    end)
end

-- Kennzeichen generieren (RENT + 4 zufällige Zeichen)
function GeneratePlate()
    local plate = "RENT"
    for i = 1, 4 do
        if math.random(1, 2) == 1 then
            plate = plate .. string.char(math.random(65, 90)) -- A-Z
        else
            plate = plate .. tostring(math.random(0, 9)) -- 0-9
        end
    end
    return plate
end

-- Cleanup beim Ressourcen-Stop
AddEventHandler('onResourceStop', function(resourceName)
    if GetCurrentResourceName() ~= resourceName then return end
    
    for _, npc in pairs(spawnedNPCs) do
        if DoesEntityExist(npc) then
            DeleteEntity(npc)
        end
    end
    
    for plate, vehicle in pairs(activeRentalVehicles) do
        if DoesEntityExist(vehicle) then
            DeleteVehicle(vehicle)
        end
    end
end)

-- Überprüfe Mietfahrzeug-Schlüssel beim Laden des Spielers
RegisterNetEvent('QBCore:Client:OnPlayerLoaded')
AddEventHandler('QBCore:Client:OnPlayerLoaded', function()
    TriggerServerEvent('vehiclerental:server:checkRentalKeys')
end)