-- client/gang_shops.lua
print("^2[turfwar]^7 gang_shops.lua loaded (client)")

Config = Config or {}
Config.Shops = Config.Shops or {}
Config.GANGS = Config.GANGS or {}

local currentGang = 0
local lastBal = 0

-- =========================
-- Helpers
-- =========================
local function Notify(msg)
    BeginTextCommandThefeedPost("STRING")
    AddTextComponentSubstringPlayerName(msg)
    EndTextCommandThefeedPostTicker(false, false)
end

local function Draw3DText(x, y, z, text)
    local onScreen, _x, _y = World3dToScreen2d(x, y, z)
    if not onScreen then return end
    SetTextScale(0.35, 0.35)
    SetTextFont(4)
    SetTextProportional(1)
    SetTextEntry("STRING")
    SetTextCentre(1)
    AddTextComponentString(text)
    DrawText(_x, _y)
end

local function allowedGang()
    if Config.Shops.AllowedGang then return Config.Shops.AllowedGang(currentGang) end
    return currentGang ~= 0 and currentGang ~= 3
end

local function gangRGB(gangId)
    local g = Config.GANGS and Config.GANGS[gangId]
    if g and g.rgb and #g.rgb == 3 then
        return g.rgb[1], g.rgb[2], g.rgb[3]
    end
    return 255, 255, 255
end

-- =========================
-- Receive gang updates
-- Hook into your existing system.
-- =========================
RegisterNetEvent("turfwar:myGang", function(gangId)
    currentGang = tonumber(gangId) or 0
    TriggerServerEvent("turfwar:myGang:set", currentGang) -- keep server cache aligned
end)

-- Fallback if your server broadcasts playerGang (you can remove if not needed)
RegisterNetEvent("turfwar:playerGang", function(src, gangId)
    if src == GetPlayerServerId(PlayerId()) then
        currentGang = tonumber(gangId) or 0
        TriggerServerEvent("turfwar:myGang:set", currentGang)
    end
end)

RegisterNetEvent("turfwar:shop:notify", function(msg)
    Notify(msg)
end)

RegisterNetEvent("turfwar:shop:balance", function(bal)
    lastBal = tonumber(bal) or 0
end)

RegisterNetEvent("turfwar:gangbank:requestRefresh", function()
    -- If you already have a gangbank refresh event, call it here.
    -- Otherwise harmless.
    TriggerServerEvent("turfwar:gangbank:request")
end)

-- =========================
-- Grant weapon/ammo (after server approves purchase)
-- =========================
RegisterNetEvent("turfwar:shop:grantWeapon", function(item, gangId)
    if not item then return end
    local ped = PlayerPedId()

    if item.armor then
        local amt = tonumber(item.armorAmount) or 50
        local cur = GetPedArmour(ped)
        SetPedArmour(ped, math.min(100, cur + amt))
        return
    end

    local wep = item.weapon
    if not wep then return end

    local hash = GetHashKey(wep)
    if not HasPedGotWeapon(ped, hash, false) then
        GiveWeaponToPed(ped, hash, 0, false, true)
    end

    local ammo = tonumber(item.ammo) or 0
    if ammo > 0 then
        AddAmmoToPed(ped, hash, ammo)
    end
end)

RegisterNetEvent("turfwar:shop:grantAmmo", function(item)
    if not item or not item.weapon then return end
    local ped = PlayerPedId()
    local hash = GetHashKey(item.weapon)
    local ammo = tonumber(item.ammo) or 0
    if ammo > 0 then
        AddAmmoToPed(ped, hash, ammo)
    end
end)

-- =========================
-- Spawn purchased vehicle (after server approves)
-- =========================
local function loadModel(model)
    local hash = type(model) == "number" and model or GetHashKey(model)
    if not IsModelInCdimage(hash) then return nil end
    RequestModel(hash)
    local timeout = GetGameTimer() + 5000
    while not HasModelLoaded(hash) do
        Wait(10)
        if GetGameTimer() > timeout then return nil end
    end
    return hash
end

RegisterNetEvent("turfwar:shop:spawnPurchasedVehicle", function(item, gangId)
    if not item or not item.model then return end
    local ped = PlayerPedId()
    local p = GetEntityCoords(ped)
    local h = GetEntityHeading(ped)

    local hash = loadModel(item.model)
    if not hash then
        Notify("~r~Vehicle model failed to load.")
        return
    end

    -- Spawn in front of player
    local forward = (Config.Shops.VehicleSpawn and Config.Shops.VehicleSpawn.forward) or 6.0
    local up      = (Config.Shops.VehicleSpawn and Config.Shops.VehicleSpawn.up) or 0.2

    local fw = GetEntityForwardVector(ped)
    local spawn = vector3(p.x + fw.x * forward, p.y + fw.y * forward, p.z + up)

    local veh = CreateVehicle(hash, spawn.x, spawn.y, spawn.z, h, true, false)
    SetModelAsNoLongerNeeded(hash)

    if veh and veh ~= 0 then
        SetVehicleOnGroundProperly(veh)

        -- Gang color
        local r,g,b = gangRGB(gangId)
        SetVehicleCustomPrimaryColour(veh, r, g, b)
        SetVehicleCustomSecondaryColour(veh, r, g, b)

        -- Nice defaults
        SetVehicleDirtLevel(veh, 0.0)
        SetVehicleEngineOn(veh, true, true, false)

        -- Warp player in
        TaskWarpPedIntoVehicle(ped, veh, -1)
    end
end)

-- =========================
-- “UI”: simple chat/menu commands (starter)
-- Later we can move to NUI
-- =========================
local function printShopList(title, list)
    TriggerServerEvent("turfwar:shop:getBalance")
    Wait(150)

    print(("^3[turfwar]^7 === %s === (Gang Balance: %s)"):format(title, lastBal))
    for _, it in ipairs(list) do
        print(("^3[turfwar]^7  - %s  ^2$%d^7  (id: %s)"):format(it.label or it.id, it.price or 0, it.id))
    end
end

RegisterCommand("gshop_weapons", function()
    if not allowedGang() then Notify("~r~Gang shop not available for your faction.") return end
    printShopList("WEAPON SHOP", Config.Shops.WeaponList or {})
    Notify("Open console (F8) to see weapon list. Buy: /gshop_buyweapon <id>")
end)

RegisterCommand("gshop_ammo", function()
    if not allowedGang() then Notify("~r~Gang shop not available for your faction.") return end
    printShopList("AMMO SHOP", Config.Shops.AmmoList or {})
    Notify("Open console (F8) to see ammo list. Buy: /gshop_buyammo <id>")
end)

RegisterCommand("gshop_vehicles", function()
    if not allowedGang() then Notify("~r~Gang shop not available for your faction.") return end
    printShopList("VEHICLE SHOP", Config.Shops.VehicleList or {})
    Notify("Open console (F8) to see vehicle list. Buy: /gshop_buyveh <id>")
end)

RegisterCommand("gshop_buyweapon", function(_, args)
    if not allowedGang() then return end
    local id = args[1]
    if not id then Notify("Usage: /gshop_buyweapon <id>") return end
    TriggerServerEvent("turfwar:shop:buyWeapon", id)
end)

RegisterCommand("gshop_buyammo", function(_, args)
    if not allowedGang() then return end
    local id = args[1]
    if not id then Notify("Usage: /gshop_buyammo <id>") return end
    TriggerServerEvent("turfwar:shop:buyAmmo", id)
end)

RegisterCommand("gshop_buyveh", function(_, args)
    if not allowedGang() then return end
    local id = args[1]
    if not id then Notify("Usage: /gshop_buyveh <id>") return end
    TriggerServerEvent("turfwar:shop:buyVehicle", id)
end)

-- =========================
-- World markers (optional)
-- Press E near configured coords to open lists
-- =========================
CreateThread(function()
    while true do
        Wait(0)
        if not allowedGang() then goto continue end

        local ped = PlayerPedId()
        local p = GetEntityCoords(ped)

        local function handleLocations(locs, hint, cmd)
            for _, s in ipairs(locs or {}) do
                local d = #(p - s.coords)
                if d < (Config.Shops.MarkerDist or 25.0) then
                    DrawMarker(1, s.coords.x, s.coords.y, s.coords.z - 1.0, 0,0,0, 0,0,0, 1.2,1.2,0.8, 255,255,255, 120, false,true,2, false,nil,nil,false)
                    if d < (Config.Shops.UseDist or 2.0) then
                        Draw3DText(s.coords.x, s.coords.y, s.coords.z + 0.3, ("~w~%s~n~~y~[E]~w~ %s"):format(s.label or "Shop", hint))
                        if IsControlJustPressed(0, Config.Shops.InteractKey or 38) then
                            ExecuteCommand(cmd)
                        end
                    end
                end
            end
        end

        handleLocations(Config.Shops.WeaponShopLocations, "Open Weapon Shop", "gshop_weapons")
        handleLocations(Config.Shops.VehicleShopLocations, "Open Vehicle Shop", "gshop_vehicles")

        ::continue::
    end
end)