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

-- NPC Spawn Function
local function SpawnNPC(npcId, npcData)
    local model = GetHashKey(npcData.model)
    
    RequestModel(model)
    while not HasModelLoaded(model) do
        Wait(1)
    end
    
    local npc = CreatePed(4, model, npcData.coords.x, npcData.coords.y, npcData.coords.z - 1.0, npcData.coords.w, false, true)
    
    SetEntityHeading(npc, npcData.coords.w)
    FreezeEntityPosition(npc, true)
    SetEntityInvincible(npc, true)
    SetBlockingOfNonTemporaryEvents(npc, true)
    
    -- QB-Target hinzufügen
    exports['qb-target']:AddTargetEntity(npc, {
        options = {
            {
                type = 'client',
                event = 'npc-dialog:client:openDialog',
                icon = npcData.targetIcon,
                label = npcData.targetLabel,
                npcId = npcId
            }
        },
        distance = 2.0
    })
    
    spawnedNPCs[npcId] = npc
    
    SetModelAsNoLongerNeeded(model)
end

-- Alle NPCs spawnen
CreateThread(function()
    for npcId, npcData in pairs(Config.NPCs) do
        SpawnNPC(npcId, npcData)
    end
end)

-- Rekursive Funktion zum Erstellen der Dialog-Optionen
local function CreateDialogOptions(options, npcId, parentId)
    local contextOptions = {}
    
    for i, option in ipairs(options) do
        local optionData = {
            title = option.title,
            description = option.description,
            icon = option.icon,
        }
        
        if option.info then
            -- Direkte Info anzeigen
            optionData.onSelect = function()
                lib.alertDialog({
                    header = option.title,
                    content = option.info,
                    centered = true,
                    cancel = true,
                    labels = {
                        cancel = 'Zurück'
                    }
                })
            end
        elseif option.response then
            -- Weiteres Dialog-Level
            optionData.onSelect = function()
                local contextId = 'npc_dialog_' .. npcId .. '_' .. i .. '_' .. (parentId or 'main')
                local responseOptions = CreateDialogOptions(option.response.options, npcId, contextId)
                
                -- Zurück-Option hinzufügen
                table.insert(responseOptions, {
                    title = "← Zurück",
                    description = "Zum vorherigen Dialog",
                    icon = 'arrow-left',
                    onSelect = function()
                        if parentId then
                            lib.showContext(parentId)
                        else
                            lib.showContext('npc_dialog_' .. npcId)
                        end
                    end
                })
                
                lib.registerContext({
                    id = contextId,
                    title = option.response.title,
                    menu = 'npc_dialog_' .. npcId, -- Zurück-Link zum Hauptmenü
                    options = responseOptions
                })
                
                lib.showContext(contextId)
            end
        end
        
        table.insert(contextOptions, optionData)
    end
    
    return contextOptions
end

-- Dialog öffnen
RegisterNetEvent('npc-dialog:client:openDialog', function(data)
    local npcId = data.npcId
    local npcData = Config.NPCs[npcId]
    if not npcData then return end
    
    local options = CreateDialogOptions(npcData.dialog.options, npcId)
    
    -- Verlassen Option hinzufügen
    table.insert(options, {
        title = "Verlassen",
        description = "Dialog beenden",
        icon = 'times',
        onSelect = function()
            -- Dialog schließt sich automatisch
        end
    })
    
    lib.registerContext({
        id = 'npc_dialog_' .. npcId,
        title = npcData.dialog.title,
        description = npcData.dialog.description, -- Hier wird die Beschreibung hinzugefügt
        options = options
    })
    
    lib.showContext('npc_dialog_' .. npcId)
end)

-- Cleanup beim Resource 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
    end)