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

-- Erlaubte Jobs für das Vehicle Admin System
local AllowedJobs = {
    ['police'] = true,
    ['admin'] = true,
    ['mechanic'] = true,
    ['ambulance'] = true,
    ['cardealer'] = true,
    -- Füge hier weitere Jobs hinzu
}

-- Job Permission Check
local function HasPermission(source)
    local Player = QBCore.Functions.GetPlayer(source)
    if not Player then return false end
    
    -- Check if player has admin permission
    if QBCore.Functions.HasPermission(source, 'admin') then
        return true
    end
    
    -- Check if player has allowed job
    local playerJob = Player.PlayerData.job.name
    return AllowedJobs[playerJob] == true
end

-- Get all players from database
QBCore.Functions.CreateCallback('vehicleadmin:getPlayers', function(source, cb)
    if not HasPermission(source) then
        cb(false)
        return
    end
    
    MySQL.Async.fetchAll('SELECT citizenid, charinfo FROM players ORDER BY charinfo', {}, function(result)
        local players = {}
        for i = 1, #result do
            local charinfo = json.decode(result[i].charinfo)
            table.insert(players, {
                citizenid = result[i].citizenid,
                name = charinfo.firstname .. ' ' .. charinfo.lastname
            })
        end
        cb(players)
    end)
end)

-- Get vehicles for specific player
QBCore.Functions.CreateCallback('vehicleadmin:getPlayerVehicles', function(source, cb, citizenid)
    if not HasPermission(source) then
        cb(false)
        return
    end
    
    MySQL.Async.fetchAll('SELECT * FROM player_vehicles WHERE citizenid = ?', {citizenid}, function(result)
        local vehicles = {}
        for i = 1, #result do
            local vehicle = result[i]
            
            table.insert(vehicles, {
                plate = vehicle.plate,
                vehicle = vehicle.vehicle,
                garage = vehicle.garage,
                state = vehicle.state,
                fuel = vehicle.fuel,
                engine = vehicle.engine,
                body = vehicle.body,
                citizenid = vehicle.citizenid,
                depotprice = vehicle.depotprice,
                drivingdistance = vehicle.drivingdistance
            })
        end
        cb(vehicles)
    end)
end)

-- Get all garages
QBCore.Functions.CreateCallback('vehicleadmin:getGarages', function(source, cb)
    if not HasPermission(source) then
        cb(false)
        return
    end
    
    local garages = {}
    for garageName, garageData in pairs(QBCore.Shared.Garages) do
        table.insert(garages, {
            name = garageName,
            label = garageData.label or garageName
        })
    end
    cb(garages)
end)

-- Check player's job and return permissions
QBCore.Functions.CreateCallback('vehicleadmin:getPlayerJob', function(source, cb)
    local Player = QBCore.Functions.GetPlayer(source)
    if not Player then 
        cb(false)
        return 
    end
    
    local hasPermission = HasPermission(source)
    local jobName = Player.PlayerData.job.name
    local jobLabel = Player.PlayerData.job.label
    
    cb({
        hasPermission = hasPermission,
        jobName = jobName,
        jobLabel = jobLabel
    })
end)

-- Move vehicle to garage
RegisterNetEvent('vehicleadmin:moveToGarage', function(plate, garage)
    local src = source
    if not HasPermission(src) then 
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Du hast keine Berechtigung für diese Aktion',
            type = 'error'
        })
        return 
    end
    
    -- Delete vehicle from world if it exists
    local vehicles = GetAllVehicles()
    for i = 1, #vehicles do
        local veh = vehicles[i]
        local vehPlate = GetVehicleNumberPlateText(veh):gsub("%s+", "")
        if vehPlate == plate:gsub("%s+", "") then
            DeleteEntity(veh)
            break
        end
    end
    
    -- Update database
    MySQL.Async.execute('UPDATE player_vehicles SET state = ?, garage = ? WHERE plate = ?', {1, garage, plate}, function(affectedRows)
        if affectedRows > 0 then
            -- Log the action
            local Player = QBCore.Functions.GetPlayer(src)
            print(string.format('[VEHICLE ADMIN] %s (%s) moved vehicle %s to garage %s', 
                Player.PlayerData.charinfo.firstname .. ' ' .. Player.PlayerData.charinfo.lastname,
                Player.PlayerData.job.label,
                plate,
                garage
            ))
            
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fahrzeug wurde in Garage ' .. garage .. ' gestellt',
                type = 'success'
            })
        else
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fehler beim Verschieben des Fahrzeugs',
                type = 'error'
            })
        end
    end)
end)

-- Delete vehicle from map
RegisterNetEvent('vehicleadmin:deleteFromMap', function(plate)
    local src = source
    if not HasPermission(src) then 
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Du hast keine Berechtigung für diese Aktion',
            type = 'error'
        })
        return 
    end
    
    local vehicles = GetAllVehicles()
    local deleted = false
    
    for i = 1, #vehicles do
        local veh = vehicles[i]
        local vehPlate = GetVehicleNumberPlateText(veh):gsub("%s+", "")
        if vehPlate == plate:gsub("%s+", "") then
            DeleteEntity(veh)
            deleted = true
            break
        end
    end
    
    -- Log the action
    local Player = QBCore.Functions.GetPlayer(src)
    print(string.format('[VEHICLE ADMIN] %s (%s) deleted vehicle %s from map', 
        Player.PlayerData.charinfo.firstname .. ' ' .. Player.PlayerData.charinfo.lastname,
        Player.PlayerData.job.label,
        plate
    ))
    
    if deleted then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Fahrzeugverwaltung',
            description = 'Fahrzeug wurde von der Map gelöscht',
            type = 'success'
        })
    else
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Fahrzeugverwaltung',
            description = 'Fahrzeug nicht auf der Map gefunden',
            type = 'info'
        })
    end
end)

-- Repair vehicle
RegisterNetEvent('vehicleadmin:repairVehicle', function(plate)
    local src = source
    if not HasPermission(src) then 
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Du hast keine Berechtigung für diese Aktion',
            type = 'error'
        })
        return 
    end
    
    -- Update database
    MySQL.Async.execute('UPDATE player_vehicles SET engine = ?, body = ? WHERE plate = ?', {1000, 1000, plate}, function(affectedRows)
        -- Also repair if vehicle is on map
        local vehicles = GetAllVehicles()
        for i = 1, #vehicles do
            local veh = vehicles[i]
            local vehPlate = GetVehicleNumberPlateText(veh):gsub("%s+", "")
            if vehPlate == plate:gsub("%s+", "") then
                SetVehicleFixed(veh)
                SetVehicleDeformationFixed(veh)
                SetVehicleUndriveable(veh, false)
                SetVehicleEngineOn(veh, true, true)
                break
            end
        end
        
        -- Log the action
        local Player = QBCore.Functions.GetPlayer(src)
        print(string.format('[VEHICLE ADMIN] %s (%s) repaired vehicle %s', 
            Player.PlayerData.charinfo.firstname .. ' ' .. Player.PlayerData.charinfo.lastname,
            Player.PlayerData.job.label,
            plate
        ))
        
        if affectedRows > 0 then
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fahrzeug wurde repariert',
                type = 'success'
            })
        else
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fehler beim Reparieren des Fahrzeugs',
                type = 'error'
            })
        end
    end)
end)

-- Impound vehicle (Police only)
RegisterNetEvent('vehicleadmin:impoundVehicle', function(plate)
    local src = source
    local Player = QBCore.Functions.GetPlayer(src)
    
    if not Player or Player.PlayerData.job.name ~= 'police' then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Nur Polizisten können Fahrzeuge beschlagnahmen',
            type = 'error'
        })
        return
    end
    
    -- Delete vehicle from world if it exists
    local vehicles = GetAllVehicles()
    for i = 1, #vehicles do
        local veh = vehicles[i]
        local vehPlate = GetVehicleNumberPlateText(veh):gsub("%s+", "")
        if vehPlate == plate:gsub("%s+", "") then
            DeleteEntity(veh)
            break
        end
    end
    
    -- Set state to impounded (2) and move to impound garage
    MySQL.Async.execute('UPDATE player_vehicles SET state = ?, garage = ?, depotprice = ? WHERE plate = ?', 
        {2, 'impound', 500, plate}, function(affectedRows)
        if affectedRows > 0 then
            print(string.format('[VEHICLE ADMIN] %s (Police) impounded vehicle %s', 
                Player.PlayerData.charinfo.firstname .. ' ' .. Player.PlayerData.charinfo.lastname,
                plate
            ))
            
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fahrzeug wurde beschlagnahmt (500€ Gebühr)',
                type = 'success'
            })
        else
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fehler beim Beschlagnahmen des Fahrzeugs',
                type = 'error'
            })
        end
    end)
end)

-- Release from impound (Police/Admin only)
RegisterNetEvent('vehicleadmin:releaseFromImpound', function(plate, garage)
    local src = source
    local Player = QBCore.Functions.GetPlayer(src)
    
    if not Player or (Player.PlayerData.job.name ~= 'police' and not QBCore.Functions.HasPermission(src, 'admin')) then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Nur Polizisten oder Admins können Fahrzeuge freigeben',
            type = 'error'
        })
        return
    end
    
    -- Set state to in garage (1) and move to specified garage
    MySQL.Async.execute('UPDATE player_vehicles SET state = ?, garage = ?, depotprice = ? WHERE plate = ?', 
        {1, garage, 0, plate}, function(affectedRows)
        if affectedRows > 0 then
            print(string.format('[VEHICLE ADMIN] %s (%s) released vehicle %s from impound to garage %s', 
                Player.PlayerData.charinfo.firstname .. ' ' .. Player.PlayerData.charinfo.lastname,
                Player.PlayerData.job.label,
                plate,
                garage
            ))
            
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fahrzeug wurde aus der Beschlagnahme freigegeben',
                type = 'success'
            })
        else
            TriggerClientEvent('ox_lib:notify', src, {
                title = 'Fahrzeugverwaltung',
                description = 'Fehler beim Freigeben des Fahrzeugs',
                type = 'error'
            })
        end
    end)
end)

-- Command to open admin menu
QBCore.Commands.Add('vehicleadmin', 'Öffne Fahrzeug Admin Menu', {}, false, function(source, args)
    local src = source
    if not HasPermission(src) then
        local Player = QBCore.Functions.GetPlayer(src)
        local jobName = Player and Player.PlayerData.job.name or 'Unbekannt'
        
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Dein Job (' .. jobName .. ') hat keine Berechtigung für dieses System',
            type = 'error'
        })
        return
    end
    
    TriggerClientEvent('vehicleadmin:openMenu', src)
end)

-- Alternative command for police
QBCore.Commands.Add('policegarage', 'Öffne Polizei Fahrzeug Menu', {}, false, function(source, args)
    local src = source
    local Player = QBCore.Functions.GetPlayer(src)
    
    if not Player or Player.PlayerData.job.name ~= 'police' then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Nur Polizisten können diesen Befehl verwenden',
            type = 'error'
        })
        return
    end
    
    TriggerClientEvent('vehicleadmin:openMenu', src)
end)

-- Alternative command for mechanics
QBCore.Commands.Add('mechanicadmin', 'Öffne Mechaniker Fahrzeug Menu', {}, false, function(source, args)
    local src = source
    local Player = QBCore.Functions.GetPlayer(src)
    
    if not Player or Player.PlayerData.job.name ~= 'mechanic' then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Nur Mechaniker können diesen Befehl verwenden',
            type = 'error'
        })
        return
    end
    
    TriggerClientEvent('vehicleadmin:openMenu', src)
end)

-- Alternative command for ambulance
QBCore.Commands.Add('emsadmin', 'Öffne EMS Fahrzeug Menu', {}, false, function(source, args)
    local src = source
    local Player = QBCore.Functions.GetPlayer(src)
    
    if not Player or Player.PlayerData.job.name ~= 'ambulance' then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Nur EMS können diesen Befehl verwenden',
            type = 'error'
        })
        return
    end
    
    TriggerClientEvent('vehicleadmin:openMenu', src)
end)

-- Alternative command for cardealer
QBCore.Commands.Add('dealeradmin', 'Öffne Autohändler Fahrzeug Menu', {}, false, function(source, args)
    local src = source
    local Player = QBCore.Functions.GetPlayer(src)
    
    if not Player or Player.PlayerData.job.name ~= 'cardealer' then
        TriggerClientEvent('ox_lib:notify', src, {
            title = 'Keine Berechtigung',
            description = 'Nur Autohändler können diesen Befehl verwenden',
            type = 'error'
        })
        return
    end
    
    TriggerClientEvent('vehicleadmin:openMenu', src)
end)