emote

local cache = {};

local function GetAllEmotes(chan)

    local list = cache[chan:lower()];

    if list ~= nil then

        if type(list) == "table" then
            return list;
        else
            return nil;
        end
    end

    local body, code, headers, status = MOD.HTTPSGet("https://api.twitch.tv/kraken/chat/"..chan.."/emoticons");

    local tbl = JSONDecode(body);

    if tbl.error ~= nil then
        cache[chan:lower()] = 0;
        return nil;
    end

    local lst = {};

    for n=1,#tbl.emoticons do

        if tbl.emoticons[n].subscriber_only and tbl.emoticons[n].state then
            lst[tbl.emoticons[n].regex] = tbl.emoticons[n].url
        end
    end

    cache[chan:lower()] = lst;

    return lst;
end

local cmd = function(msg,usr,chan)

    local split = {};
    for match in (msg.." "):gmatch("(.-) ") do
        table.insert(split, match);
    end

    local channel = split[1];
    local emote = split[2];

    if channel == nil or channel == "" then
        channel = chan:lower();
    end

    local lst = GetAllEmotes(channel);

    if lst == nil then

        print("No such channel exists");
        return;
    end

    if emote == nil or emote == "" then
        for k,v in pairs(lst) do
            print(k);
        end
    else

        emote = emote:lower();

        local url = "";
        for k,v in pairs(lst) do
            if k:lower() == emote then
                url = v;
                break;
            end
        end

        if url == "" then
            print("No such emote exists");
        else
            print(url);
        end
    end
end

return cmd;