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

-- Lokale Variablen
local licenseCache = {}
local cacheTimeout = 300000 -- 5 Minuten

-- Debug-Funktion
local function debugPrint(message)
    if Config.Debug then
        print("^3[License-System Server] " .. message .. "^7")
    end
end

-- Spieler-Name abrufen
local function getPlayerName(src)
    local Player = QBCore.Functions.GetPlayer(src)
    if not Player then return "Unbekannt" end
    
    local charinfo = Player.PlayerData.charinfo
    if charinfo and charinfo.firstname and charinfo.lastname then
        return charinfo.firstname .. " " .. charinfo.lastname
    end
    
    return "Unbekannt"
end

-- Berechtigung prüfen
local function hasPermission(src)
    local Player = QBCore.Functions.GetPlayer(src)
    if not Player then return false end
    
    local job = Player.PlayerData.job
    if not job then return false end
    
    return Config.AuthorizedJobs[job.name] or false
end

-- Cache-Funktionen
local function getCachedLicense(citizenid, licenseType)
    local cacheKey = citizenid .. "_" .. licenseType
    local cached = licenseCache[cacheKey]
    
    if cached and (os.time() * 1000 - cached.timestamp) < cacheTimeout then
        debugPrint("Cache-Hit für: " .. cacheKey)
        return cached.data
    end
    
    return nil
end

local function setCachedLicense(citizenid, licenseType, data)
    local cacheKey = citizenid .. "_" .. licenseType
    licenseCache[cacheKey] = {
        data = data,
        timestamp = os.time() * 1000
    }
    debugPrint("Lizenz gecacht: " .. cacheKey)
end

-- Spieler-Name aus JSON extrahieren
local function extractPlayerName(charinfo_json)
    if not charinfo_json then return "Unbekannt" end
    
    local success, charinfo = pcall(json.decode, charinfo_json)
    if success and charinfo and charinfo.firstname and charinfo.lastname then
        return charinfo.firstname .. " " .. charinfo.lastname
    end
    
    return "Unbekannt"
end

-- Sichere DB-Operation
local function safeDBOperation(operation, errorMessage, maxRetries)
    maxRetries = maxRetries or 3
    local retries = 0
    
    while retries < maxRetries do
        retries = retries + 1
        local success, result = pcall(operation)
        
        if success then
            return result
        else
            debugPrint("^3DB-Retry " .. retries .. "/" .. maxRetries .. ": " .. tostring(result) .. "^7")
            if retries >= maxRetries then
                debugPrint("^1DB-Fehler: " .. (errorMessage or "Unbekannt") .. "^7")
                debugPrint("^1Details: " .. tostring(result) .. "^7")
                return nil
            end
            Wait(1000)
        end
    end
    
    return nil
end

-- KORRIGIERTE Lizenz-Abfrage (Erweiterte Suche)
local function getLicenseFromDB(citizenid, licenseType)
    debugPrint("=== getLicenseFromDB START ===")
    debugPrint("CitizenID: " .. tostring(citizenid))
    debugPrint("LicenseType: " .. tostring(licenseType))
    
    -- Cache prüfen
    local cached = getCachedLicense(citizenid, licenseType)
    if cached then
        debugPrint("Lizenz aus Cache geladen")
        return cached
    end
    
    -- ERWEITERTE SUCHE: Erst aktive, dann alle Lizenzen
    local queries = {
        -- 1. Suche nach aktiven Lizenzen (is_active = 1)
        {
            query = "SELECT * FROM player_licenses WHERE citizenid = ? AND license_type = ? AND is_active = 1 ORDER BY created_at DESC LIMIT 1",
            description = "Aktive Lizenz"
        },
        -- 2. Suche nach allen Lizenzen (falls is_active nicht gesetzt)
        {
            query = "SELECT * FROM player_licenses WHERE citizenid = ? AND license_type = ? ORDER BY created_at DESC LIMIT 1",
            description = "Neueste Lizenz"
        },
        -- 3. Fallback: Suche ohne is_active Bedingung
        {
            query = "SELECT * FROM player_licenses WHERE citizenid = ? AND license_type = ? ORDER BY id DESC LIMIT 1",
            description = "Fallback-Suche"
        }
    }
    
    local license = nil
    
    for i, queryData in ipairs(queries) do
        debugPrint("Versuche Query " .. i .. ": " .. queryData.description)
        
        local result = safeDBOperation(function()
            return MySQL.query.await(queryData.query, {citizenid, licenseType})
        end, "Fehler bei " .. queryData.description)
        
        if result and #result > 0 then
            license = result[1]
            debugPrint("Lizenz gefunden mit Query " .. i .. ": " .. queryData.description)
            break
        else
            debugPrint("Keine Lizenz mit Query " .. i .. " gefunden")
        end
    end
    
    if not license then
        debugPrint("^1Keine Lizenz in DB gefunden für " .. citizenid .. " / " .. licenseType .. "^7")
        return nil
    end
    
    -- Spieler-Namen abrufen
    local holderQuery = "SELECT charinfo FROM players WHERE citizenid = ?"
    local holderResult = safeDBOperation(function()
        return MySQL.query.await(holderQuery, {citizenid})
    end, "Fehler beim Abrufen des Spieler-Namens")
    
    if holderResult and #holderResult > 0 then
        license.holder_name = extractPlayerName(holderResult[1].charinfo)
    else
        license.holder_name = "Unbekannt"
    end
    
    -- Aussteller-Namen abrufen
    if license.issued_by then
        local issuerQuery = "SELECT charinfo FROM players WHERE citizenid = ?"
        local issuerResult = safeDBOperation(function()
            return MySQL.query.await(issuerQuery, {license.issued_by})
        end, "Fehler beim Abrufen des Aussteller-Namens")
        
        if issuerResult and #issuerResult > 0 then
            license.issued_by_name = extractPlayerName(issuerResult[1].charinfo)
        else
            license.issued_by_name = "System"
        end
    else
        license.issued_by_name = "System"
    end
    
    -- Classes parsen
    if license.classes then
        local success, classes = pcall(json.decode, license.classes)
        if success and type(classes) == "table" then
            license.classes = classes
        else
            license.classes = {}
        end
    else
        license.classes = {}
    end
    
    -- is_active standardisieren (falls nicht gesetzt)
    if license.is_active == nil then
        license.is_active = 1
    end
    
    debugPrint("Lizenz erfolgreich geladen: " .. license.license_type .. " (Active: " .. tostring(license.is_active) .. ")")
    
    -- In Cache speichern
    setCachedLicense(citizenid, licenseType, license)
    
    return license
end

-- Alle Lizenzen eines Spielers abrufen (KORRIGIERT)
local function getAllPlayerLicenses(citizenid)
    debugPrint("=== getAllPlayerLicenses START ===")
    debugPrint("CitizenID: " .. tostring(citizenid))
    
    -- Erweiterte Suche für alle Lizenzen
    local queries = {
        -- 1. Aktive Lizenzen
        "SELECT * FROM player_licenses WHERE citizenid = ? AND is_active = 1 ORDER BY license_type, created_at DESC",
        -- 2. Alle Lizenzen (Fallback)
        "SELECT * FROM player_licenses WHERE citizenid = ? ORDER BY license_type, created_at DESC"
    }
    
    local result = nil
    
    for i, query in ipairs(queries) do
        debugPrint("Versuche Abfrage " .. i .. " für alle Lizenzen")
        
        result = safeDBOperation(function()
            return MySQL.query.await(query, {citizenid})
        end, "Fehler bei Abfrage " .. i)
        
        if result and #result > 0 then
            debugPrint("Lizenzen gefunden mit Abfrage " .. i .. ": " .. #result .. " Einträge")
            break
        end
    end
    
    if not result or #result == 0 then
        debugPrint("Keine Lizenzen gefunden für: " .. citizenid)
        return {}
    end
    
    local licenses = {}
    local seenTypes = {}
    
    -- Spieler-Namen einmal abrufen
    local holderQuery = "SELECT charinfo FROM players WHERE citizenid = ?"
    local holderResult = safeDBOperation(function()
        return MySQL.query.await(holderQuery, {citizenid})
    end, "Fehler beim Abrufen des Spieler-Namens")
    
    local holderName = "Unbekannt"
    if holderResult and #holderResult > 0 then
        holderName = extractPlayerName(holderResult[1].charinfo)
    end
    
    for _, license in ipairs(result) do
        -- Nur die neueste Lizenz pro Typ nehmen
        if not seenTypes[license.license_type] then
            seenTypes[license.license_type] = true
            
            license.holder_name = holderName
            
            -- Aussteller-Namen abrufen
            if license.issued_by then
                local issuerQuery = "SELECT charinfo FROM players WHERE citizenid = ?"
                local issuerResult = safeDBOperation(function()
                    return MySQL.query.await(issuerQuery, {license.issued_by})
                end, "Fehler beim Abrufen des Aussteller-Namens")
                
                if issuerResult and #issuerResult > 0 then
                    license.issued_by_name = extractPlayerName(issuerResult[1].charinfo)
                else
                    license.issued_by_name = "System"
                end
            else
                license.issued_by_name = "System"
            end
            
            -- Classes parsen
            if license.classes then
                local success, classes = pcall(json.decode, license.classes)
                if success and type(classes) == "table" then
                    license.classes = classes
                else
                    license.classes = {}
                end
            else
                license.classes = {}
            end
            
            -- is_active standardisieren
            if license.is_active == nil then
                license.is_active = 1
            end
            
            table.insert(licenses, license)
        end
    end
    
    debugPrint("Verarbeitete Lizenzen: " .. #licenses)
    return licenses
end

-- Lizenz in Datenbank speichern (KORRIGIERT)
local function saveLicenseToDB(citizenid, licenseType, issuedBy, classes)
    debugPrint("=== saveLicenseToDB START ===")
    debugPrint("CitizenID: " .. tostring(citizenid))
    debugPrint("LicenseType: " .. tostring(licenseType))
    debugPrint("IssuedBy: " .. tostring(issuedBy))
    
    local config = Config.LicenseTypes[licenseType]
    if not config then
        debugPrint("^1Fehler: Unbekannter Lizenztyp: " .. licenseType .. "^7")
        return false
    end
    
    -- Spieler-Name abrufen
    local holderQuery = "SELECT charinfo FROM players WHERE citizenid = ?"
    local holderResult = safeDBOperation(function()
        return MySQL.query.await(holderQuery, {citizenid})
    end, "Fehler beim Abrufen des Spieler-Namens")
    
    local holderName = "Unbekannt"
    if holderResult and #holderResult > 0 and holderResult[1].charinfo then
        holderName = extractPlayerName(holderResult[1].charinfo)
    end
    
    -- Datum berechnen
    local issueDate = os.date("%d.%m.%Y")
    local expireDate = nil
    
    if config.validity_days then
        local expireTimestamp = os.time() + (config.validity_days * 24 * 60 * 60)
        expireDate = os.date("%d.%m.%Y", expireTimestamp)
    end
    
    -- Classes zu JSON konvertieren
    local classesJson = json.encode(classes or {})
    
    -- Alte Lizenz deaktivieren
    local deactivateQuery = "UPDATE player_licenses SET is_active = 0 WHERE citizenid = ? AND license_type = ?"
    safeDBOperation(function()
        return MySQL.query.await(deactivateQuery, {citizenid, licenseType})
    end, "Fehler beim Deaktivieren alter Lizenz")
    
    -- Neue Lizenz einfügen
    local insertQuery = [[
        INSERT INTO player_licenses 
        (citizenid, license_type, name, issue_date, expire_date, issued_by, is_active, classes, created_at) 
        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
    ]]
    
    local createdAt = os.time() -- Unix Timestamp
    
    local insertData = {
        citizenid,
        licenseType,
        holderName,
        issueDate,
        expireDate,
        issuedBy,
        1, -- is_active = 1
        classesJson,
        createdAt
    }
    
    debugPrint("Führe INSERT-Query aus...")
    debugPrint("Daten: " .. json.encode(insertData))
    
    local result = safeDBOperation(function()
        return MySQL.insert.await(insertQuery, insertData)
    end, "Fehler beim Speichern der Lizenz")
    
    if result then
        debugPrint("Lizenz erfolgreich gespeichert. ID: " .. result)
        
        -- Cache invalidieren
        local cacheKey = citizenid .. "_" .. licenseType
        licenseCache[cacheKey] = nil
        
        return true
    else
        debugPrint("^1Fehler beim Speichern der Lizenz^7")
        return false
    end
end

-- Lizenz entziehen
local function revokeLicenseInDB(citizenid, licenseType)
    debugPrint("=== revokeLicenseInDB START ===")
    debugPrint("CitizenID: " .. tostring(citizenid))
    debugPrint("LicenseType: " .. tostring(licenseType))
    
    local query = "UPDATE player_licenses SET is_active = 0 WHERE citizenid = ? AND license_type = ?"
    
    local result = safeDBOperation(function()
        return MySQL.query.await(query, {citizenid, licenseType})
    end, "Fehler beim Entziehen der Lizenz")
    
    if result then
        debugPrint("Lizenz erfolgreich entzogen")
        
        -- Cache invalidieren
        local cacheKey = citizenid .. "_" .. licenseType
        licenseCache[cacheKey] = nil
        
        return true
    else
        debugPrint("^1Fehler beim Entziehen der Lizenz^7")
        return false
    end
end

-- Cache bereinigen
local function cleanupCache()
    local now = os.time() * 1000
    local cleaned = 0
    
    for key, cached in pairs(licenseCache) do
        if (now - cached.timestamp) > cacheTimeout then
            licenseCache[key] = nil
            cleaned = cleaned + 1
        end
    end
    
    if cleaned > 0 then
        debugPrint("Cache bereinigt: " .. cleaned .. " Einträge")
    end
end

-- Cache-Cleanup Thread
CreateThread(function()
    while true do
        Wait(300000) -- 5 Minuten
        cleanupCache()
    end
end)

-- EVENT HANDLER: Lizenz anfordern (KORRIGIERT für Ausweis-Anzeige)
RegisterNetEvent('license-system:server:requestLicense', function(targetId)
    local src = source
    debugPrint("=== Event: requestLicense ===")
    debugPrint("Source: " .. src .. ", Target: " .. targetId)
    
    if not hasPermission(src) then
        debugPrint("Keine Berechtigung für Spieler: " .. src)
        TriggerClientEvent('license-system:client:receiveLicense', src, nil)
        return
    end
    
    local targetPlayer = QBCore.Functions.GetPlayer(targetId)
    if not targetPlayer then
        debugPrint("Ziel-Spieler nicht gefunden: " .. targetId)
        TriggerClientEvent('license-system:client:receiveLicense', src, nil)
        return
    end
    
    local citizenid = targetPlayer.PlayerData.citizenid
    
    -- PRIORITÄT: Erst nach Ausweis suchen, dann andere Lizenzen
    local licenseTypes = {"id_card", "driver_license", "weapon_license", "pilot_license"}
    local foundLicense = nil
    
    for _, licenseType in ipairs(licenseTypes) do
        if Config.LicenseTypes[licenseType] then
            local license = getLicenseFromDB(citizenid, licenseType)
            
            if license then
                foundLicense = {
                    license = license,
                    config = Config.LicenseTypes[licenseType]
                }
                debugPrint("Lizenz gefunden: " .. licenseType)
                break
            end
        end
    end
    
    if foundLicense then
        debugPrint("Sende Lizenz an Client: " .. foundLicense.license.license_type)
        TriggerClientEvent('license-system:client:receiveLicense', src, foundLicense)
    else
        debugPrint("Keine Lizenz gefunden")
        TriggerClientEvent('license-system:client:receiveLicense', src, nil)
    end
end)

-- EVENT HANDLER: Eigene Lizenz anfordern (KORRIGIERT)
RegisterNetEvent('license-system:server:requestMyLicense', function(licenseType)
    local src = source
    debugPrint("=== Event: requestMyLicense ===")
    debugPrint("Source: " .. src .. ", LicenseType: " .. tostring(licenseType))
    
    local Player = QBCore.Functions.GetPlayer(src)
    if not Player then
        debugPrint("Spieler nicht gefunden: " .. src)
        TriggerClientEvent('license-system:client:receiveMyLicense', src, nil, licenseType)
        return
    end
    
    local citizenid = Player.PlayerData.citizenid
    
    -- Falls kein spezifischer Typ angegeben, suche nach Ausweis
    if not licenseType or licenseType == "" then
        licenseType = "id_card"
        debugPrint("Kein Lizenztyp angegeben, verwende: " .. licenseType)
    end
    
    local license = getLicenseFromDB(citizenid, licenseType)
    
    if license then
        local licenseData = {
            license = license,
            config = Config.LicenseTypes[licenseType]
        }
        debugPrint("Sende eigene Lizenz an Client: " .. licenseType)
        TriggerClientEvent('license-system:client:receiveMyLicense', src, licenseData, licenseType)
    else
        debugPrint("Keine aktive eigene Lizenz gefunden: " .. licenseType)
        TriggerClientEvent('license-system:client:receiveMyLicense', src, nil, licenseType)
    end
end)

-- EVENT HANDLER: Alle Spieler-Lizenzen anfordern
RegisterNetEvent('license-system:server:requestPlayerLicenses', function(targetId)
    local src = source
    debugPrint("=== Event: requestPlayerLicenses ===")
    debugPrint("Source: " .. src .. ", Target: " .. targetId)
    
    if not hasPermission(src) then
        debugPrint("Keine Berechtigung für Spieler: " .. src)
        TriggerClientEvent('license-system:client:receivePlayerLicenses', src, {}, targetId, "Unbekannt")
        return
    end
    
    local targetPlayer = QBCore.Functions.GetPlayer(targetId)
    if not targetPlayer then
        debugPrint("Ziel-Spieler nicht gefunden: " .. targetId)
        TriggerClientEvent('license-system:client:receivePlayerLicenses', src, {}, targetId, "Unbekannt")
        return
    end
    
    local citizenid = targetPlayer.PlayerData.citizenid
    local targetName = getPlayerName(targetId)
    local licenses = getAllPlayerLicenses(citizenid)
    
    debugPrint("Sende " .. #licenses .. " Lizenzen für " .. targetName)
    TriggerClientEvent('license-system:client:receivePlayerLicenses', src, licenses, targetId, targetName)
end)

-- EVENT HANDLER: Lizenz ausstellen
RegisterNetEvent('license-system:server:issueLicense', function(targetId, licenseType, classes)
    local src = source
    debugPrint("=== Event: issueLicense ===")
    debugPrint("Source: " .. src .. ", Target: " .. targetId .. ", Type: " .. licenseType)
    
    if not hasPermission(src) then
        debugPrint("Keine Berechtigung für Spieler: " .. src)
        TriggerClientEvent('QBCore:Notify', src, Config.Notifications.no_permission.message, Config.Notifications.no_permission.type)
        return
    end
    
    local targetPlayer = QBCore.Functions.GetPlayer(targetId)
    if not targetPlayer then
        debugPrint("Ziel-Spieler nicht gefunden: " .. targetId)
        TriggerClientEvent('QBCore:Notify', src, 'Spieler nicht gefunden!', 'error')
        return
    end
    
    local issuerPlayer = QBCore.Functions.GetPlayer(src)
    if not issuerPlayer then
        debugPrint("Aussteller nicht gefunden: " .. src)
        return
    end
    
    local targetCitizenId = targetPlayer.PlayerData.citizenid
    local issuerCitizenId = issuerPlayer.PlayerData.citizenid
    
    -- Prüfen ob aktive Lizenz bereits existiert
    local existingLicense = getLicenseFromDB(targetCitizenId, licenseType)
    
    if existingLicense and existingLicense.is_active == 1 then
        debugPrint("Lizenz bereits vorhanden und aktiv")
        TriggerClientEvent('QBCore:Notify', src, 'Spieler hat bereits eine aktive ' .. (Config.LicenseTypes[licenseType].label or licenseType) .. '!', 'error')
        return
    end
    
    -- Kosten prüfen
    local config = Config.LicenseTypes[licenseType]
    if config.price and config.price > 0 then
        if issuerPlayer.PlayerData.money.cash < config.price then
            debugPrint("Nicht genug Geld für Lizenz-Ausstellung")
            TriggerClientEvent('QBCore:Notify', src, 'Nicht genug Bargeld! Benötigt: $' .. config.price, 'error')
            return
        end
        
        -- Geld abziehen
        issuerPlayer.Functions.RemoveMoney('cash', config.price, 'license-issued')
        TriggerClientEvent('QBCore:Notify', src, 'Lizenz-Gebühr bezahlt: $' .. config.price, 'success')
    end
    
    -- Lizenz in Datenbank speichern
    local success = saveLicenseToDB(targetCitizenId, licenseType, issuerCitizenId, classes)
    
    if success then
        local targetName = getPlayerName(targetId)
        local issuerName = getPlayerName(src)
        
        debugPrint("Lizenz erfolgreich ausgestellt")
        
        -- Benachrichtigungen
        TriggerClientEvent('QBCore:Notify', src, 'Lizenz erfolgreich ausgestellt für ' .. targetName, 'success')
        TriggerClientEvent('QBCore:Notify', targetId, 'Du hast eine neue Lizenz erhalten: ' .. config.label, 'success')
        
        -- Events senden
        TriggerClientEvent('license-system:client:licenseIssued', src, targetId, licenseType)
        TriggerClientEvent('license-system:client:refreshMenu', src)
        
        -- Log
        debugPrint("Lizenz " .. licenseType .. " ausgestellt von " .. issuerName .. " für " .. targetName)
    else
        debugPrint("^1Fehler beim Ausstellen der Lizenz^7")
        TriggerClientEvent('QBCore:Notify', src, 'Fehler beim Ausstellen der Lizenz!', 'error')
    end
end)

-- EVENT HANDLER: Lizenz entziehen
RegisterNetEvent('license-system:server:revokeLicense', function(targetId, licenseType)
    local src = source
    debugPrint("=== Event: revokeLicense ===")
    debugPrint("Source: " .. src .. ", Target: " .. targetId .. ", Type: " .. licenseType)
    
    if not hasPermission(src) then
        debugPrint("Keine Berechtigung für Spieler: " .. src)
        TriggerClientEvent('QBCore:Notify', src, Config.Notifications.no_permission.message, Config.Notifications.no_permission.type)
        return
    end
    
    local targetPlayer = QBCore.Functions.GetPlayer(targetId)
    if not targetPlayer then
        debugPrint("Ziel-Spieler nicht gefunden: " .. targetId)
        TriggerClientEvent('QBCore:Notify', src, 'Spieler nicht gefunden!', 'error')
        return
    end
    
    local targetCitizenId = targetPlayer.PlayerData.citizenid
    
    -- Lizenz entziehen
    local success = revokeLicenseInDB(targetCitizenId, licenseType)
    
    if success then
        local targetName = getPlayerName(targetId)
        local issuerName = getPlayerName(src)
        local config = Config.LicenseTypes[licenseType]
        
        debugPrint("Lizenz erfolgreich entzogen")
        
        -- Benachrichtigungen
        TriggerClientEvent('QBCore:Notify', src, 'Lizenz erfolgreich entzogen von ' .. targetName, 'success')
        TriggerClientEvent('QBCore:Notify', targetId, 'Deine Lizenz wurde entzogen: ' .. (config.label or licenseType), 'error')
        
        -- Events senden
        TriggerClientEvent('license-system:client:licenseRevoked', src, targetId, licenseType)
        TriggerClientEvent('license-system:client:refreshMenu', src)
        
        -- Log
        debugPrint("Lizenz " .. licenseType .. " entzogen von " .. issuerName .. " für " .. targetName)
    else
        debugPrint("^1Fehler beim Entziehen der Lizenz^7")
        TriggerClientEvent('QBCore:Notify', src, 'Fehler beim Entziehen der Lizenz!', 'error')
    end
end)

-- EXPORT FUNKTIONEN (KORRIGIERT)
exports('hasLicense', function(citizenid, licenseType)
    if not citizenid or not licenseType then return false end
    
    local license = getLicenseFromDB(citizenid, licenseType)
    return license ~= nil and (license.is_active == 1 or license.is_active == nil)
end)

exports('issueLicense', function(citizenid, licenseType, issuedBy, classes)
    if not citizenid or not licenseType then return false end
    
    issuedBy = issuedBy or 'system'
    return saveLicenseToDB(citizenid, licenseType, issuedBy, classes)
end)

exports('revokeLicense', function(citizenid, licenseType)
    if not citizenid or not licenseType then return false end
    
    return revokeLicenseInDB(citizenid, licenseType)
end)

exports('getPlayerLicenses', function(citizenid)
    if not citizenid then return {} end
    
    return getAllPlayerLicenses(citizenid)
end)

exports('getPlayerLicense', function(citizenid, licenseType)
    if not citizenid or not licenseType then return nil end
    
    return getLicenseFromDB(citizenid, licenseType)
end)

-- DEBUG COMMAND: Lizenz manuell erstellen
RegisterCommand('createlicense', function(source, args, rawCommand)
    if source == 0 then -- Console only
        if #args < 2 then
            print("Usage: createlicense <citizenid> <license_type>")
            return
        end
        
        local citizenid = args[1]
        local licenseType = args[2]
        
        if not Config.LicenseTypes[licenseType] then
            print("Unbekannter Lizenztyp: " .. licenseType)
            return
        end
        
        local success = saveLicenseToDB(citizenid, licenseType, 'console', {})
        
        if success then
            print("Lizenz erfolgreich erstellt: " .. licenseType .. " für " .. citizenid)
        else
            print("Fehler beim Erstellen der Lizenz")
        end
    end
end, true)

-- DEBUG COMMAND: Lizenz prüfen
RegisterCommand('checklicense', function(source, args, rawCommand)
    if source == 0 then -- Console only
        if #args < 2 then
            print("Usage: checklicense <citizenid> <license_type>")
            return
        end
        
        local citizenid = args[1]
        local licenseType = args[2]
        
        local license = getLicenseFromDB(citizenid, licenseType)
        
        if license then
            print("=== LIZENZ GEFUNDEN ===")
            print("ID: " .. (license.id or "N/A"))
            print("CitizenID: " .. (license.citizenid or "N/A"))
            print("Typ: " .. (license.license_type or "N/A"))
            print("Name: " .. (license.name or "N/A"))
            print("Ausstellungsdatum: " .. (license.issue_date or "N/A"))
            print("Ablaufdatum: " .. (license.expire_date or "N/A"))
            print("Ausgestellt von: " .. (license.issued_by or "N/A"))
            print("Aktiv: " .. tostring(license.is_active))
            print("Klassen: " .. (license.classes and json.encode(license.classes) or "[]"))
            print("Erstellt am: " .. (license.created_at or "N/A"))
            print("=====================")
        else
            print("Keine Lizenz gefunden für: " .. citizenid .. " / " .. licenseType)
        end
    end
end, true)

-- INITIALISIERUNG
CreateThread(function()
    debugPrint("License-System Server gestartet (Ausweis-Fix)")
    
    -- Warten bis QBCore geladen ist
    while not QBCore do
        Wait(100)
    end
    
    debugPrint("QBCore erfolgreich geladen")
    
    -- Datenbank-Verbindung testen
    local testResult = safeDBOperation(function()
        return MySQL.query.await("SELECT 1 as test")
    end, "Datenbank-Verbindungstest")
    
    if testResult then
        debugPrint("Datenbank-Verbindung erfolgreich")
    else
        debugPrint("^1Datenbank-Verbindung fehlgeschlagen^7")
    end
    
    debugPrint("License-System Server vollständig initialisiert")
end)

-- CLEANUP
AddEventHandler('onResourceStop', function(resourceName)
    if GetCurrentResourceName() == resourceName then
        debugPrint("License-System Server gestoppt")
        licenseCache = {}
    end
end)

-- DEBUG COMMANDS
RegisterCommand('licensestats', function(source, args, rawCommand)
    if source == 0 then -- Console only
        local cacheCount = 0
        for _ in pairs(licenseCache) do
            cacheCount = cacheCount + 1
        end
        
        print("=== LICENSE SYSTEM STATS ===")
        print("Cache Entries: " .. cacheCount)
        print("Config License Types: " .. (Config.LicenseTypes and table.count(Config.LicenseTypes) or 0))
        print("============================")
    end
end, true)

RegisterCommand('licenseclearcache', function(source, args, rawCommand)
    if source == 0 then -- Console only
        local oldCount = 0
        for _ in pairs(licenseCache) do
            oldCount = oldCount + 1
        end
        
        licenseCache = {}
        print("License-Cache geleert. Entfernte Einträge: " .. oldCount)
    end
end, true)

-- Hilfsfunktion für table.count
function table.count(t)
    local count = 0
    for _ in pairs(t) do
        count = count + 1
    end
    return count
end

debugPrint("License-System Server vollständig geladen (Ausweis-Fix)")