local admins = {
    [-1] = 3
}

local removeElement = function(array, element)
    for index, value in ipairs(array) do
        if value == element then
            table.remove(array, index)
            break
        end
    end
    return array
end

local target = function(targ, speaker)
    if targ:lower() == "all" then
        return game.Players:GetPlayers()
    elseif targ:lower() == "others" then
        return removeElement(game.Players:GetPlayers(), speaker)
    elseif targ:lower() == "me" then
        return {speaker}
    else
        each(game.Players:GetPlayers(), function(_, this)
            if this.Name:lower():sub(1, targ:len()) == targ:lower() then
                return {this}
            end
        end)
        return {}
    end
end

local each = function(array, callback)
    for index, value in pairs(array) do
        callback(index, value)
    end
end

local chat = function(message, speaker)
    if admins[speaker.userId] then
        local words = {}
        message:gsub("([%a%d]+)", function(catch)
            table.insert(words, catch)
        end)
        if message:sub(1, 1) == "#" and (owner[words[1]] or perm[words[1]] or temp[words[1]]) then
            local success;
            local level = admins[speaker.userId]
            repeat
                local stringLevel = level == 3 and "owner" or level == 2 and "perm" or level == 1 and "temp" or "false"
                if getfenv()[stringLevel][words[1]] then
                    success = getfenv()[stringLevel][words[1]](speaker, message, words)
                end
                level = level - 1
            until success or level == 0
        end
    end
end

game.Players.PlayerAdded:connect(function(player)
    player.Chatted:connect(chat)
end)

--[[
    levels:
        3 = owner
        2 = perm
        1 = temp
    you can access commands from your level and under.
    ex) perm admins can access commands @ level 2 and 1

    must be global so getfenv() can be used to find these tables
]]

owner, perm, temp = {}, {}, {}

owner.kill = function(speaker, message, words)
    each(target(words[2], speaker), function(_, this)
        if this.Character then
            this.Character:BreakJoints()
        end
    end)
    return 1
end

wait(2)
chat("#kill others", game.Players.Player1)