--[[
    rv-itemsonback — Client
    Afișează iteme din inventar ca props pe corpul jucătorului
    + Admin menu cu ox_lib pentru configurare
]]

local QBCore = exports['qb-core']:GetCoreObject()
local attachedProps = {}
local itemConfigs = {}
local previewProp = nil
local editingItem = nil
local isEditing = false

-----------------------------------------
-- Verifică dacă playerul are un item
-----------------------------------------
local function HasItem(itemName)
    local PlayerData = QBCore.Functions.GetPlayerData()
    if not PlayerData or not PlayerData.items then return false end
    for _, item in pairs(PlayerData.items) do
        if item and item.name == itemName and item.amount and item.amount > 0 then
            return true
        end
    end
    return false
end

-----------------------------------------
-- Atașează prop pe jucător
-----------------------------------------
local function AttachProp(itemName, config)
    if attachedProps[itemName] then return end

    local ped = PlayerPedId()
    local modelHash = GetHashKey(config.model)

    RequestModel(modelHash)
    local timeout = 0
    while not HasModelLoaded(modelHash) and timeout < 50 do
        Wait(100)
        timeout = timeout + 1
    end
    if not HasModelLoaded(modelHash) then return end

    local boneIndex = GetPedBoneIndex(ped, config.bone)
    local prop = CreateObject(modelHash, 0.0, 0.0, 0.0, true, true, false)

    AttachEntityToEntity(prop, ped, boneIndex,
        config.pos.x, config.pos.y, config.pos.z,
        config.rot.x, config.rot.y, config.rot.z,
        true, true, false, true, 1, true)

    SetModelAsNoLongerNeeded(modelHash)
    attachedProps[itemName] = prop
end

-----------------------------------------
-- Detașează prop
-----------------------------------------
local function DetachProp(itemName)
    if attachedProps[itemName] then
        if DoesEntityExist(attachedProps[itemName]) then
            DeleteEntity(attachedProps[itemName])
        end
        attachedProps[itemName] = nil
    end
end

-----------------------------------------
-- Detașează TOATE propurile
-----------------------------------------
local function DetachAll()
    for itemName, _ in pairs(attachedProps) do
        DetachProp(itemName)
    end
end

-----------------------------------------
-- Preview prop (pentru admin editing)
-----------------------------------------
local function ShowPreview(config)
    ClearPreview()

    local ped = PlayerPedId()
    local modelHash = GetHashKey(config.model)

    RequestModel(modelHash)
    local timeout = 0
    while not HasModelLoaded(modelHash) and timeout < 50 do
        Wait(100)
        timeout = timeout + 1
    end
    if not HasModelLoaded(modelHash) then return end

    local boneIndex = GetPedBoneIndex(ped, config.bone)
    previewProp = CreateObject(modelHash, 0.0, 0.0, 0.0, true, true, false)

    AttachEntityToEntity(previewProp, ped, boneIndex,
        config.pos.x, config.pos.y, config.pos.z,
        config.rot.x, config.rot.y, config.rot.z,
        true, true, false, true, 1, true)

    -- Efect vizual: ușor transparent pentru a indica modul preview
    SetEntityAlpha(previewProp, 200, false)
    SetModelAsNoLongerNeeded(modelHash)
end

function ClearPreview()
    if previewProp and DoesEntityExist(previewProp) then
        DeleteEntity(previewProp)
    end
    previewProp = nil
end

-----------------------------------------
-- Rebuild configs din tabel
-----------------------------------------
local function BuildItemConfigs()
    local configs = {}
    for _, data in ipairs(itemConfigs) do
        configs[data.item] = {
            model = data.model,
            bone  = data.bone,
            pos   = vector3(data.pos.x, data.pos.y, data.pos.z),
            rot   = vector3(data.rot.x, data.rot.y, data.rot.z),
        }
    end
    return configs
end

-----------------------------------------
-- Sync config de la server
-----------------------------------------
RegisterNetEvent('rv-itemsonback:syncConfig', function(configs)
    itemConfigs = configs
    -- Reattach cu config-urile noi
    DetachAll()
end)

-----------------------------------------
-- ADMIN MENU: Main
-----------------------------------------
local function OpenMainMenu()
    local options = {}

    -- Lista itemelor configurate
    for _, data in ipairs(itemConfigs) do
        options[#options + 1] = {
            title = '📦 ' .. data.item,
            description = 'Prop: ' .. data.model,
            icon = 'cube',
            arrow = true,
            onSelect = function()
                editingItem = data
                OpenEditMenu(data)
            end
        }
    end

    -- Adaugă item nou
    options[#options + 1] = {
        title = '➕ Adaugă Item Nou',
        description = 'Configurează un item nou pe corp',
        icon = 'plus',
        onSelect = function()
            OpenAddMenu()
        end
    }

    lib.registerContext({
        id = 'rv_itemsonback_main',
        title = '🎒 Items on Back — Admin',
        options = options
    })

    lib.showContext('rv_itemsonback_main')
end

-----------------------------------------
-- ADMIN MENU: Add New Item
-----------------------------------------
function OpenAddMenu()
    -- Step 1: Item name
    local items = QBCore.Shared.Items
    local itemOptions = {}
    for k, v in pairs(items) do
        itemOptions[#itemOptions + 1] = { value = k, label = v.label .. ' (' .. k .. ')' }
    end

    -- Sortează alfabetic
    table.sort(itemOptions, function(a, b) return a.label < b.label end)

    local input = lib.inputDialog('Adaugă Item Nou', {
        { type = 'select', label = 'Item', description = 'Selectează itemul din inventar', options = itemOptions, required = true, searchable = true },
        { type = 'input',  label = 'Prop Model', description = 'Numele propului GTA (ex: prop_ld_health_pack)', required = true, default = 'prop_ld_health_pack' },
        { type = 'select', label = 'Locație (Bone)', description = 'Unde pe corp', options = Config.Bones, required = true },
    })

    if not input then return OpenMainMenu() end

    local newData = {
        item   = input[1],
        model  = input[2],
        bone   = input[3],
        pos    = { x = 0.0, y = -0.1, z = 0.0 },
        rot    = { x = 0.0, y = 0.0, z = 0.0 }
    }

    -- Preview
    ShowPreview({
        model = newData.model,
        bone  = newData.bone,
        pos   = vector3(newData.pos.x, newData.pos.y, newData.pos.z),
        rot   = vector3(newData.rot.x, newData.rot.y, newData.rot.z),
    })

    editingItem = newData
    OpenEditMenu(newData)
end

-----------------------------------------
-- ADMIN MENU: Edit Item
-----------------------------------------
function OpenEditMenu(data)
    isEditing = true

    -- Arată preview
    ShowPreview({
        model = data.model,
        bone  = data.bone,
        pos   = vector3(data.pos.x, data.pos.y, data.pos.z),
        rot   = vector3(data.rot.x, data.rot.y, data.rot.z),
    })

    -- Găsește numele bone-ului
    local boneName = 'Unknown'
    for _, b in ipairs(Config.Bones) do
        if b.value == data.bone then
            boneName = b.label
            break
        end
    end

    lib.registerContext({
        id = 'rv_itemsonback_edit',
        title = '✏️ Edit: ' .. data.item,
        menu = 'rv_itemsonback_main',
        options = {
            {
                title = '📍 Poziție: X=' .. string.format('%.2f', data.pos.x) .. ' Y=' .. string.format('%.2f', data.pos.y) .. ' Z=' .. string.format('%.2f', data.pos.z),
                description = 'Ajustează poziția propului',
                icon = 'arrows-alt',
                arrow = true,
                onSelect = function()
                    OpenPositionMenu(data)
                end
            },
            {
                title = '🔄 Rotație: X=' .. string.format('%.0f', data.rot.x) .. ' Y=' .. string.format('%.0f', data.rot.y) .. ' Z=' .. string.format('%.0f', data.rot.z),
                description = 'Ajustează rotația propului',
                icon = 'sync-alt',
                arrow = true,
                onSelect = function()
                    OpenRotationMenu(data)
                end
            },
            {
                title = '🦴 Bone: ' .. boneName,
                description = 'Schimbă locația pe corp',
                icon = 'bone',
                arrow = true,
                onSelect = function()
                    OpenBoneMenu(data)
                end
            },
            {
                title = '🔧 Schimbă Prop Model',
                description = 'Model curent: ' .. data.model,
                icon = 'cube',
                onSelect = function()
                    local input = lib.inputDialog('Schimbă Prop Model', {
                        { type = 'input', label = 'Prop Model', default = data.model, required = true }
                    })
                    if input then
                        data.model = input[1]
                        OpenEditMenu(data)
                    else
                        OpenEditMenu(data)
                    end
                end
            },
            {
                title = '💾 Salvează',
                description = 'Salvează configurația',
                icon = 'save',
                onSelect = function()
                    ClearPreview()
                    local success = lib.callback.await('rv-itemsonback:saveItem', false, data)
                    if success then
                        lib.notify({ title = 'Salvat!', description = data.item .. ' configurat cu succes', type = 'success' })
                    else
                        lib.notify({ title = 'Eroare', description = 'Nu ai permisiune', type = 'error' })
                    end
                end
            },
            {
                title = '🗑️ Șterge',
                description = 'Șterge acest item din configurare',
                icon = 'trash',
                onSelect = function()
                    ClearPreview()
                    local confirm = lib.alertDialog({
                        header = 'Confirmare ștergere',
                        content = 'Sigur vrei să ștergi **' .. data.item .. '**?',
                        centered = true,
                        cancel = true
                    })
                    if confirm == 'confirm' then
                        lib.callback.await('rv-itemsonback:deleteItem', false, data.item)
                        lib.notify({ title = 'Șters!', description = data.item .. ' eliminat', type = 'success' })
                        OpenMainMenu()
                    else
                        OpenEditMenu(data)
                    end
                end
            },
        }
    })

    lib.showContext('rv_itemsonback_edit')
end

-----------------------------------------
-- ADMIN MENU: Position Adjustment
-----------------------------------------
function OpenPositionMenu(data)
    local step = Config.PosStep
    local bigStep = Config.PosStepBig

    lib.registerContext({
        id = 'rv_itemsonback_pos',
        title = '📍 Poziție: ' .. string.format('X=%.2f Y=%.2f Z=%.2f', data.pos.x, data.pos.y, data.pos.z),
        menu = 'rv_itemsonback_edit',
        options = {
            -- X axis
            { title = '➡️ X +' .. step, icon = 'arrow-right', onSelect = function() data.pos.x = data.pos.x + step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            { title = '⬅️ X -' .. step, icon = 'arrow-left', onSelect = function() data.pos.x = data.pos.x - step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            -- Y axis
            { title = '⬆️ Y +' .. step, icon = 'arrow-up', onSelect = function() data.pos.y = data.pos.y + step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            { title = '⬇️ Y -' .. step, icon = 'arrow-down', onSelect = function() data.pos.y = data.pos.y - step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            -- Z axis
            { title = '🔼 Z +' .. step, icon = 'chevron-up', onSelect = function() data.pos.z = data.pos.z + step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            { title = '🔽 Z -' .. step, icon = 'chevron-down', onSelect = function() data.pos.z = data.pos.z - step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            -- Big steps
            { title = '⏩ X +' .. bigStep .. ' (mare)', icon = 'fast-forward', onSelect = function() data.pos.x = data.pos.x + bigStep; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            { title = '⏪ X -' .. bigStep .. ' (mare)', icon = 'fast-backward', onSelect = function() data.pos.x = data.pos.x - bigStep; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenPositionMenu(data) end },
            -- Manual input
            {
                title = '✏️ Input Manual',
                description = 'Introdu valori exacte',
                icon = 'keyboard',
                onSelect = function()
                    local input = lib.inputDialog('Poziție Manuală', {
                        { type = 'number', label = 'X', default = data.pos.x, step = 0.01 },
                        { type = 'number', label = 'Y', default = data.pos.y, step = 0.01 },
                        { type = 'number', label = 'Z', default = data.pos.z, step = 0.01 },
                    })
                    if input then
                        data.pos.x = input[1] or data.pos.x
                        data.pos.y = input[2] or data.pos.y
                        data.pos.z = input[3] or data.pos.z
                        ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) })
                    end
                    OpenPositionMenu(data)
                end
            },
        }
    })

    lib.showContext('rv_itemsonback_pos')
end

-----------------------------------------
-- ADMIN MENU: Rotation Adjustment
-----------------------------------------
function OpenRotationMenu(data)
    local step = Config.RotStep
    local bigStep = Config.RotStepBig

    lib.registerContext({
        id = 'rv_itemsonback_rot',
        title = '🔄 Rotație: ' .. string.format('X=%.0f Y=%.0f Z=%.0f', data.rot.x, data.rot.y, data.rot.z),
        menu = 'rv_itemsonback_edit',
        options = {
            { title = '🔄 RotX +' .. step, icon = 'redo', onSelect = function() data.rot.x = data.rot.x + step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenRotationMenu(data) end },
            { title = '🔄 RotX -' .. step, icon = 'undo', onSelect = function() data.rot.x = data.rot.x - step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenRotationMenu(data) end },
            { title = '🔄 RotY +' .. step, icon = 'redo', onSelect = function() data.rot.y = data.rot.y + step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenRotationMenu(data) end },
            { title = '🔄 RotY -' .. step, icon = 'undo', onSelect = function() data.rot.y = data.rot.y - step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenRotationMenu(data) end },
            { title = '🔄 RotZ +' .. step, icon = 'redo', onSelect = function() data.rot.z = data.rot.z + step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenRotationMenu(data) end },
            { title = '🔄 RotZ -' .. step, icon = 'undo', onSelect = function() data.rot.z = data.rot.z - step; ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) }); OpenRotationMenu(data) end },
            {
                title = '✏️ Input Manual',
                icon = 'keyboard',
                onSelect = function()
                    local input = lib.inputDialog('Rotație Manuală', {
                        { type = 'number', label = 'Rot X', default = data.rot.x, step = 1 },
                        { type = 'number', label = 'Rot Y', default = data.rot.y, step = 1 },
                        { type = 'number', label = 'Rot Z', default = data.rot.z, step = 1 },
                    })
                    if input then
                        data.rot.x = input[1] or data.rot.x
                        data.rot.y = input[2] or data.rot.y
                        data.rot.z = input[3] or data.rot.z
                        ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) })
                    end
                    OpenRotationMenu(data)
                end
            },
        }
    })

    lib.showContext('rv_itemsonback_rot')
end

-----------------------------------------
-- ADMIN MENU: Bone Selection
-----------------------------------------
function OpenBoneMenu(data)
    local options = {}
    for _, bone in ipairs(Config.Bones) do
        options[#options + 1] = {
            title = bone.label,
            icon = 'bone',
            onSelect = function()
                data.bone = bone.value
                ShowPreview({ model = data.model, bone = data.bone, pos = vector3(data.pos.x, data.pos.y, data.pos.z), rot = vector3(data.rot.x, data.rot.y, data.rot.z) })
                OpenEditMenu(data)
            end
        }
    end

    lib.registerContext({
        id = 'rv_itemsonback_bone',
        title = '🦴 Selectează Bone',
        menu = 'rv_itemsonback_edit',
        options = options
    })

    lib.showContext('rv_itemsonback_bone')
end

-----------------------------------------
-- Event: deschide meniul admin
-----------------------------------------
RegisterNetEvent('rv-itemsonback:openMenu', function()
    OpenMainMenu()
end)

-----------------------------------------
-- Cleanup preview la închiderea meniului
-----------------------------------------
AddEventHandler('ox_lib:onCloseContext', function(context)
    if not context then return end
    if string.find(context, 'rv_itemsonback') then
        ClearPreview()
        isEditing = false
    end
end)

-- Safety: curăță preview dacă a rămas blocat
CreateThread(function()
    while true do
        Wait(3000)
        if previewProp and not isEditing then
            ClearPreview()
        end
    end
end)

-- Comandă emergency cleanup
RegisterCommand('clearpreview', function()
    ClearPreview()
    isEditing = false
    lib.notify({ title = 'Preview curățat', type = 'success' })
end, false)

-----------------------------------------
-- LOOP PRINCIPAL: atașare props din inventar
-----------------------------------------
CreateThread(function()
    -- Așteaptă config de la server (retry dacă serverul nu e gata)
    while #itemConfigs == 0 do
        Wait(2000)
        local ok, result = pcall(lib.callback.await, 'rv-itemsonback:getConfig', false)
        if ok and result then
            itemConfigs = result
        end
    end

    while true do
        Wait(Config.CheckInterval)
        local ped = PlayerPedId()
        local configs = BuildItemConfigs()

        for itemName, config in pairs(configs) do
            local hasIt = HasItem(itemName)
            local isDead = IsEntityDead(ped)
            local inVehicle = IsPedInAnyVehicle(ped, false)

            if hasIt and not isDead and not inVehicle then
                AttachProp(itemName, config)
            else
                DetachProp(itemName)
            end
        end
    end
end)

-----------------------------------------
-- Cleanup la resource stop
-----------------------------------------
AddEventHandler('onResourceStop', function(resourceName)
    if GetCurrentResourceName() ~= resourceName then return end
    DetachAll()
    ClearPreview()
end)

-----------------------------------------
-- Disable idle animations + idle camera
-----------------------------------------
CreateThread(function()
    while true do
        Wait(500)
        local ped = PlayerPedId()
        if DoesEntityExist(ped) then
            SetPedCanPlayAmbientAnims(ped, false)
            SetPedCanPlayAmbientBaseAnims(ped, false)
            SetPedCanPlayGestureAnims(ped, false)
            InvalidateIdleCam()
            N_0xf4f2c0d4ee209e20()  -- DisableIdleCamera
        end
    end
end)