local CHOICE_TABLE = {
    -- TYPES:
    --      1: Spell
    --      2: Item
    -- Each set of values must contain at least 3 unique values
    -- level = { number of types, type1, set of values for type1, ... }
    [2] = {2, 1, {5, 11, 1908}, 2, {50055, 23368, 26029}},
    [3] = {2, 1, {5, 11, 1908}, 2, {50055, 23368, 26029}},
    [4] = {2, 1, {5, 11, 1908}, 2, {50055, 23368, 26029}},
    [5] = {2, 1, {5, 11, 1908}, 2, {50055, 23368, 26029}},
    [6] = {2, 1, {5, 11, 1908}, 2, {50055, 23368, 26029}}

}

local function PLAYER_EVENT_ON_LEVEL_CHANGE(event, player, oldLevel)
    local t = CHOICE_TABLE[oldLevel + 1]
    if not t then
        return
    end
    local numTypes = t[1];
    local results = {}
    for i=1,3 do
        local _type = math.random(1, t[2])
        local values = t[(_type * 2) + 1]
        while #results ~= i do
            local val = math.random(1, #values)
            results[val] = {_type, val}
        end
    end

    local message = "LEVELUP-" .. string.format("%02d", oldLevel + 1)
    for i=1,3 do
        message = message .. "-" ..  string.format("%01d", results[i][1])
        message = message .. "-" ..  string.format("%06d", results[i][2])
    end

    sendAddonMessage(player, message, 1)
end

RegisterPlayerEvent(13, PLAYER_EVENT_ON_LEVEL_CHANGE)