--[[
    rv-itemsonback — Server
    Gestionare configurări persistent (JSON), sync către clienți
]]
print('[rv-itemsonback] ^2Server script loading...^0')

local QBCore = exports['qb-core']:GetCoreObject()
local savedItems = {}
local dataFile = 'data/items.json'

-----------------------------------------
-- Încarcă config din JSON
-----------------------------------------
local function LoadConfig()
    local file = LoadResourceFile(GetCurrentResourceName(), dataFile)
    if file then
        savedItems = json.decode(file) or {}
        print('[rv-itemsonback] Loaded ' .. #savedItems .. ' item configs')
    else
        savedItems = {
            -- Default: medikit
            {
                item   = 'medikit',
                model  = 'prop_ld_health_pack',
                bone   = 11816,
                pos    = { x = 0.15, y = -0.15, z = -0.05 },
                rot    = { x = 0.0,  y = 0.0,   z = 0.0 }
            }
        }
        SaveConfig()
        print('[rv-itemsonback] Created default config with medikit')
    end
end

-----------------------------------------
-- Salvează config în JSON
-----------------------------------------
function SaveConfig()
    SaveResourceFile(GetCurrentResourceName(), dataFile, json.encode(savedItems), -1)
end

-----------------------------------------
-- Callback: trimite config-ul la client
-----------------------------------------
lib.callback.register('rv-itemsonback:getConfig', function(source)
    return savedItems
end)

-----------------------------------------
-- Callback: salvează un item nou/editat
-----------------------------------------
lib.callback.register('rv-itemsonback:saveItem', function(source, data)
    -- Verifică admin
    if not QBCore.Functions.HasPermission(source, 'god') and
       not QBCore.Functions.HasPermission(source, 'admin') and
       not IsPlayerAceAllowed(source, 'command') then
        return false
    end

    -- Caută dacă itemul există deja
    local found = false
    for i, item in ipairs(savedItems) do
        if item.item == data.item then
            savedItems[i] = data
            found = true
            break
        end
    end

    if not found then
        savedItems[#savedItems + 1] = data
    end

    SaveConfig()

    -- Sync la toți clienții
    TriggerClientEvent('rv-itemsonback:syncConfig', -1, savedItems)
    return true
end)

-----------------------------------------
-- Callback: șterge un item
-----------------------------------------
lib.callback.register('rv-itemsonback:deleteItem', function(source, itemName)
    if not QBCore.Functions.HasPermission(source, 'god') and
       not QBCore.Functions.HasPermission(source, 'admin') and
       not IsPlayerAceAllowed(source, 'command') then
        return false
    end

    for i, item in ipairs(savedItems) do
        if item.item == itemName then
            table.remove(savedItems, i)
            SaveConfig()
            TriggerClientEvent('rv-itemsonback:syncConfig', -1, savedItems)
            return true
        end
    end
    return false
end)

-----------------------------------------
-- Sync la connect
-----------------------------------------
RegisterNetEvent('QBCore:Server:PlayerLoaded', function()
    local src = source
    TriggerClientEvent('rv-itemsonback:syncConfig', src, savedItems)
end)

-----------------------------------------
-- Comandă admin
-----------------------------------------
RegisterCommand('itemsonback', function(source)
    if source == 0 then return end -- consola
    if QBCore.Functions.HasPermission(source, 'god') or
       QBCore.Functions.HasPermission(source, 'admin') or
       IsPlayerAceAllowed(source, 'command') then
        TriggerClientEvent('rv-itemsonback:openMenu', source)
    else
        TriggerClientEvent('QBCore:Notify', source, 'Nu ai permisiune', 'error')
    end
end, false)

-----------------------------------------
-- Init
-----------------------------------------
LoadConfig()