-- Generic function to handle gift bag logic
function HandleGiftBag(MapID, InstanceID, TargetID, itemID, itemCount, quality, logMode)
    role.AddRoleItem(MapID, InstanceID, TargetID, itemID, itemCount, quality, 8, logMode)
end

-- Generic function to check if the gift bag can be used
function CanUseGiftBag(MapID, InstanceID, TargetID, requiredFreeSize)
    local bRet, bIgnore = 0, false
    local FreeSize = role.GetBagFreeSize(TargetID)
    if FreeSize < requiredFreeSize then
        bRet = 40
    end
    return bRet, bIgnore
end

-- Define functions for each gift bag type
function I4700032_GiftBag(MapID, InstanceID, TypeID, TargetID)
    HandleGiftBag(MapID, InstanceID, TargetID, 8400001, 1, -1, 420)
end

function I4700032_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
    return CanUseGiftBag(MapID, InstanceID, TargetID, 2)
end

function I4700033_GiftBag(MapID, InstanceID, TypeID, TargetID)
    HandleGiftBag(MapID, InstanceID, TargetID, 8400002, 1, -1, 420)
end

function I4700033_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
    return CanUseGiftBag(MapID, InstanceID, TargetID, 2)
end

function I4700034_GiftBag(MapID, InstanceID, TypeID, TargetID)
    HandleGiftBag(MapID, InstanceID, TargetID, 8400003, 1, -1, 420)
end

function I4700034_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
    return CanUseGiftBag(MapID, InstanceID, TargetID, 2)
end

function I4700035_GiftBag(MapID, InstanceID, TypeID, TargetID)
    HandleGiftBag(MapID, InstanceID, TargetID, 8400004, 1, -1, 420)
end

function I4700035_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
    return CanUseGiftBag(MapID, InstanceID, TargetID, 2)
end

function I4700276_GiftBag(MapID, InstanceID, TypeID, TargetID)
    local gold = math.random(1, 99)
    role.AddRoleSilver(MapID, InstanceID, TargetID, gold * 10000, 1, -1, 8, 420)
    role.AddRoleItem(MapID, InstanceID, TargetID, 4700278, 3, -1, 8, 420)
    role.AddRoleItem(MapID, InstanceID, TargetID, 4820081, 10, -1, 8, 420)
end

function I4700276_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
    local bRet, bIgnore = 0, false
    local FreeSize = role.GetBagFreeSize(TargetID)
    local freegold = role.GetRoleSilver(MapID, InstanceID, TargetID)
    if FreeSize < 2 then
        bRet = 40
    elseif freegold > 9999009999 then
        local MsgID = msg.BeginMsgEvent()
        msg.AddMsgEvent(MsgID, 26, 306002) -- 需要至少x格背包空间才可继续操作
        msg.DispatchRoleMsgEvent(TargetID, MsgID)
        bRet = 999
    end
    return bRet, bIgnore
end

function I4800114_CanUse(MapID, InstanceID, TypeID, RoleID, TargetID)
    local bRet, bIgnore = 0, false
    local FreeSize = role.GetBagFreeSize(TargetID)
    local LoverID = role.GetRoleLoverID(MapID, InstanceID, RoleID)
    if FreeSize < 1 then
        local MsgID = msg.BeginMsgEvent()
        msg.AddMsgEvent(MsgID, 26, 100010) -- 目标玩家行囊的空间不足
        msg.AddMsgEvent(MsgID, 9, 1)
        msg.DispatchRoleMsgEvent(RoleID, MsgID)
        bRet = 32
    elseif LoverID ~= nil and LoverID == TargetID then
        bRet = 32
    end
    return bRet, bIgnore
end

function I4800114_OnUse(MapID, InstanceID, TypeID, RoleID, TargetID)
    local Target_MapID, Target_InstanceID = role.GetRoleMapID(TargetID)
    role.AddRoleItem(Target_MapID, Target_InstanceID, TargetID, 4800115, 1, -1, 8, 420)
end

function I4800115_CanUse(MapID, InstanceID, ItemTypeID, TargetID)
    return CanUseGiftBag(MapID, InstanceID, TargetID, 3)
end

function I4800115_Use(MapID, InstanceID, ItemTypeID, TargetID)
    local num = math.random(100)
    role.AddRoleItem(MapID, InstanceID, TargetID, 4800116, 5, -1, 8, 420)
    role.AddRoleItem(MapID, InstanceID, TargetID, 4800117, 5, -1, 8, 420)
    if num < 20 then
        local ran = math.random(100)
        if ran < 50 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100101, 1, -1, 8, 420)
        elseif ran < 54 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100102, 1, -1, 8, 420)
        elseif ran < 58 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100103, 1, -1, 8, 420)
        elseif ran < 62 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100104, 1, -1, 8, 420)
        elseif ran < 66 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100105, 1, -1, 8, 420)
        elseif ran < 70 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100106, 1, -1, 8, 420)
        elseif ran < 74 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4100107, 1, -1, 8, 420)
        elseif ran < 84 then
            role.AddRoleItem(MapID, InstanceID, TargetID, 4400049, 1, -1, 8, 420)
        else
            role.AddRoleItem(MapID, InstanceID, TargetID, 3090017, 1, -1, 8, 420)
        end
    end
end

-- Register item events
aux.RegisterItemEvent(4700032, 1, "I4700032_GiftBag")
aux.RegisterItemEvent(4700032, 0, "I4700032_CanUseGiftBag")
aux.RegisterItemEvent(4700033, 1, "I4700033_GiftBag")
aux.RegisterItemEvent(4700033, 0, "I4700033_CanUseGiftBag")
aux.RegisterItemEvent(4700034, 1, "I4700034_GiftBag")
aux.RegisterItemEvent(4700034, 0, "I4700034_CanUseGiftBag")
aux.RegisterItemEvent(4700035, 1, "I4700035_GiftBag")
aux.RegisterItemEvent(4700035, 0, "I4700035_CanUseGiftBag")
aux.RegisterItemEvent(4700276, 1, "I4700276_GiftBag")
aux.RegisterItemEvent(4700276, 0, "I4700276_CanUseGiftBag")
aux.RegisterItemEvent(4800114, 0, "I4800114_CanUse")
aux.RegisterItemEvent(4800114, 1, "I4800114_OnUse")
aux.RegisterItemEvent(4800115, 0, "I4800115_CanUse")
aux.RegisterItemEvent(4800115, 1, "I4800115_Use")