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#include <amxmodx>
#include <curl>
#include <json>
#include <hl_kreedz_util>
 
#define PLUGIN "HLKZ Discord WR Notifier"
#define VERSION "1.0.0"
#define AUTHOR "Th3-822"
 
new const g_iTopList = 5; // Max entries to show on webhook
new const g_iTopListMinimum = 1; // Minimum entries on top to trigger webhook
new const g_szWRecType[][] = {"Pure", "Pro"};
new const g_szTLPrefix[][] = {"++-", "--+", "**-", "---"};
 
new CURL:g_cURLHandle, curl_slist:g_cURLHeaders;
new bool:g_bIsWorking
new g_cvar_webhook, g_cvar_bot_name, g_cvar_bot_avatar;
new g_szMapName[64];
 
public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR);
 
    g_cvar_webhook = register_cvar("kz_discord_webhook", "");
    g_cvar_bot_name = register_cvar("kz_discord_bot_name", "HL KreedZ");
    g_cvar_bot_avatar = register_cvar("kz_discord_bot_avatar", "http://212.71.238.124/hlkz/hlkz.png");
 
    get_mapname(g_szMapName, charsmax(g_szMapName));
}
 
public plugin_end()
{
    if (g_cURLHandle)
    {
        curl_easy_cleanup(g_cURLHandle);
        g_cURLHandle = CURL:0;
    }
    if (g_cURLHeaders)
    {
        curl_slist_free_all(g_cURLHeaders);
        g_cURLHeaders = SList_Empty;
    }
}
 
public hlkz_worldrecord(id, Float:flWRecTime, iWRecType, Array:arTop)
{
    static iTopSize;
    if (g_bIsWorking || !(0 <= iWRecType <= 1) || (iTopSize = ArraySize(arTop)) < g_iTopListMinimum)
    {
        return;
    }
 
    static szURL[128];
    if (get_pcvar_string(g_cvar_webhook, szURL, charsmax(szURL)) < 123)
    {
        log_amx("Invalid Webhook URL?");
        return;
    }
 
    static szBuffer[128], sTopEntry[STATS], szMessage[2001], iMsgLen, szDate[11], iMinutes, Float:flSeconds;
    new JSON:jWebhook = json_init_object();
 
    if (get_pcvar_string(g_cvar_bot_name, szBuffer, charsmax(szBuffer)))
    {
        json_object_set_string(jWebhook, "username", szBuffer);
    }
    if (get_pcvar_string(g_cvar_bot_avatar, szBuffer, charsmax(szBuffer)))
    {
        json_object_set_string(jWebhook, "avatar_url", szBuffer);
    }
 
    for (new i, iTop = min(iTopSize, g_iTopList); i < iTop; i++)
    {
        ArrayGetArray(arTop, i, sTopEntry);
        replace_string(sTopEntry[STATS_NAME], charsmax(sTopEntry[STATS_NAME]), "`", "'");
        floatToMinSec(sTopEntry[STATS_TIME], iMinutes, flSeconds);
 
        if (!i)
        {
            copy(szBuffer, charsmax(szBuffer), sTopEntry[STATS_NAME]);
            replace_string(szBuffer, charsmax(szBuffer), "\", "\\");
            replace_string(szBuffer, charsmax(szBuffer), "~", "\~");
            replace_string(szBuffer, charsmax(szBuffer), "*", "\*");
            replace_string(szBuffer, charsmax(szBuffer), "@", "\@");
 
            iMsgLen = formatex(szMessage, charsmax(szMessage), "[HLKZ] **%s** has now the %s WR for **%s**! Finished in **%02d:%06.3f**^n^n**Top %d %s @ %s**^n```diff", szBuffer, g_szWRecType[iWRecType], g_szMapName, iMinutes, flSeconds, g_iTopList, g_szWRecType[iWRecType], g_szMapName);
        }
 
        format_time(szDate, charsmax(szDate), "%d/%m/%Y", sTopEntry[STATS_TIMESTAMP]);
 
        iMsgLen += formatex(szMessage[iMsgLen], charsmax(szMessage) - iMsgLen, "^n%s %-2d %31s %02d:%06.3f @ %s", g_szTLPrefix[min(i, charsmax(g_szTLPrefix))], i + 1, sTopEntry[STATS_NAME], iMinutes, flSeconds, szDate);
    }
    iMsgLen += formatex(szMessage[iMsgLen], charsmax(szMessage) - iMsgLen, "```");
    json_object_set_string(jWebhook, "content", szMessage);
 
    postJSON(szURL, jWebhook);
    json_free(jWebhook);
}
 
floatToMinSec(const Float:flTime, &iMinutes, &Float:flSeconds)
{
    iMinutes = floatround(flTime, floatround_floor) / 60;
    flSeconds = flTime - (60 * iMinutes);
}
 
postJSON(const szUrl[], JSON:jData)
{
    if (!g_cURLHandle)
    {
        if (!(g_cURLHandle = curl_easy_init()))
        {
            set_fail_state("Cannot init cURL's Handle.");
        }
        if (!g_cURLHeaders)
        {
            if (!(g_cURLHeaders = curl_slist_append(SList_Empty, "Content-Type: application/json")))
            {
                set_fail_state("Cannot init cURL's Headers.");
            }
            curl_slist_append(g_cURLHeaders, "User-Agent: 822_AMXX_PLUGIN/1.1"); // User-Agent
            curl_slist_append(g_cURLHeaders, "Connection: Keep-Alive"); // Keep-Alive
        }
 
        // Static Options
        curl_easy_setopt(g_cURLHandle, CURLOPT_SSL_VERIFYPEER, 0);
        curl_easy_setopt(g_cURLHandle, CURLOPT_SSL_VERIFYHOST, 0);
        curl_easy_setopt(g_cURLHandle, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
        curl_easy_setopt(g_cURLHandle, CURLOPT_FAILONERROR, 0);
        curl_easy_setopt(g_cURLHandle, CURLOPT_FOLLOWLOCATION, 0);
        curl_easy_setopt(g_cURLHandle, CURLOPT_FORBID_REUSE, 0);
        curl_easy_setopt(g_cURLHandle, CURLOPT_FRESH_CONNECT, 0);
        curl_easy_setopt(g_cURLHandle, CURLOPT_CONNECTTIMEOUT, 10);
        curl_easy_setopt(g_cURLHandle, CURLOPT_TIMEOUT, 10);
        curl_easy_setopt(g_cURLHandle, CURLOPT_HTTPHEADER, g_cURLHeaders);
        curl_easy_setopt(g_cURLHandle, CURLOPT_POST, 1);
    }
 
    static szPostData[4096];
    json_serial_to_string(jData, szPostData, charsmax(szPostData));
 
    curl_easy_setopt(g_cURLHandle, CURLOPT_URL, szUrl);
    curl_easy_setopt(g_cURLHandle, CURLOPT_COPYPOSTFIELDS, szPostData);
 
    g_bIsWorking = true;
    curl_easy_perform(g_cURLHandle, "postJSON_done");
}
 
public postJSON_done(CURL:curl, CURLcode:code)
{
    g_bIsWorking = false;
    if (code == CURLE_OK)
    {
        static iStatusCode;
        curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, iStatusCode);
        if (iStatusCode >= 400)
        {
            log_amx("[Error] HTTP Error: %d", iStatusCode);
        }
    }
    else
    {
        log_amx("[Error] cURL Error: %d", code);
        curl_easy_cleanup(g_cURLHandle);
        g_cURLHandle = CURL:0;
    }
}