Internal use of custom items

local ConfigModule = include("/config.lua")
 
function WIS.RetrieveData(ply)
    return ConfigModule.LoadPlayerInventory(ply:SteamID64())
end
 
local customfuncs = {
    ["OnEquip"] = {
        ["Jetpack"] = function(ply, item)
            local jp = ents.Create('mk1') 
            jp:SetSlotName('mk1') 
            jp:Spawn() 
            jp:Attach(ply) 
            ply.Jetted = jp 
            ply:SetNWEntity('Jetted',jp)
        end
    },
    ["OnUnequip"] = {
        ["Jetpack"] = function(ply, item)
            local ex = ply:GetNWEntity('Jetted')
            if IsValid(ex) then
                ex:Remove()
                ply:SetNWEntity('Jetted',NULL)
                ply.LastJetExecuted = CurTime()
            end
        end
    },
    ["OnUse"] = {
        ["Mysterious Tablet"] = function(ply, item)
            ply:SetHealth(ply:Health() + 50)
            ply:SetRunSpeed(ply:GetRunSpeed() * 1.2)
            timer.Simple(30, function()
                ply:SetRunSpeed(ply:GetRunSpeed() / 1.2)
            end)
            WLIB.Chat({
                Color(255, 255, 255),
                "You feel",
                Color(91, 53, 196),
                " a surge of power",
                Color(255, 255, 255),
                " as you use the Mysterious Tablet."
            }, ply)
        end,
        ["Raid Horn"] = function(ply, item)
            local allies = ents.FindInSphere(ply:GetPos(), 800)
            for _, ally in ipairs(allies) do
                if ally:IsPlayer() and ally:Team() == ply:Team() then
                    local inv = WIS.RetrieveData(ally)
                    inv.resistance = inv.resistance + 5
                    inv.healing_efficiency = inv.healing_efficiency + 5
                    inv.damage = inv.damage + 5
                    timer.Simple(60, function()
                        inv.resistance = inv.resistance - 5
                        inv.healing_efficiency = inv.healing_efficiency - 5
                        inv.damage = inv.damage - 5
                    end)
                end
            end
            WLIB.Chat({
                Color(255, 255, 255),
                "You blow the Raid Horn and feel",
                Color(91, 53, 196),
                " a surge of power."
            }, ply)
        end,        
        ["Meat Cleaver"] = function(ply, item)
            WLIB.Chat({
                Color(255, 255, 255),
                "You swing the Meat Cleaver and feel",
                Color(91, 53, 196),
                " a surge of power."
            }, ply)
        end,     
        ["Medkit"] = function(ply, item, inv)
            ply:SetHealth(ply:GetMaxHealth())
            timer.Simple(1, function()
                local healAmount = ply:GetMaxHealth() - ply:Health()
                healAmount = healAmount * (1 + (inv.healing_efficiency / 100)) 
                local healPerSecond = healAmount / 1
                local healInterval = 0.1
 
                timer.Create("MedkitHeal_" .. ply:SteamID(), healInterval, 10, function()
                    ply:SetHealth(ply:Health() + healPerSecond * healInterval)
                end)
            end)
            WLIB.Chat({
                Color(255, 255, 255),
                "You use the Medkit and feel your",
                Color(108, 231, 70),
                " wounds healing."
            }, ply)
        end,        
        ["Adrenaline Shot"] = function(ply, item, inv)
            local org = ply:GetRunSpeed()
            ply:SetRunSpeed(org * 1.5)
            inv.resistance = inv.resistance + 5 
            timer.Simple(20, function()
                ply:SetRunSpeed(org / 1.5)
                inv.resistance = inv.resistance - 5
                WLIB.Chat({
                    Color(255, 255, 255),
                    "The effects of the Adrenaline Shot wear off."
                }, ply)
            end)
            WLIB.Chat({
                Color(255, 255, 255),
                "You feel a rush of adrenaline!"
            }, ply)
        end,
        ["Navagation Core"] = function(ply, item)
            WLIB.Chat({
                Color(255, 255, 255),
                "You use the Navagation Core and feel",
                Color(91, 53, 196),
                " a surge of power."
            }, ply)
        end,
    }
}
 
hook.Add("WIS.EquipItem", "WIS.DefaultEquip", function(ply, item, inv)
    local funcs = customfuncs["OnEquip"]
    for _,v in pairs(funcs) do
        if item.name == _ then
            v(ply, item)
        end
    end
end)
hook.Add("WIS.UnequipItem", "WIS.DefaultUnequip", function(ply, item, inv)
    local funcs = customfuncs["OnUnequip"]
    for _,v in pairs(funcs) do
        if item.name == _ then
            v(ply, item, inv)
        end
    end
end)
hook.Add("WIS.OnUse", "WIS.DefaultUse", function(ply, item, inv)
    local funcs = customfuncs["OnUse"]
    for _,v in pairs(funcs) do
        if item.name == _ then
            v(ply, item, inv)
        end
    end
end)