/* CSB Server Adverts — rotating chat/HUD announcements for CS 1.6.
 *
 * Copyright (C) 2026 counter-strike-boost.com
 * Based on the classic AMX Mod X adverts pattern (GPL).
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 3 of the License, or (at your
 * option) any later version.
 */

#include <amxmodx>
#include <amxmisc>

#define PLUGIN  "CSB Server Adverts"
#define VERSION "1.0.0"
#define AUTHOR  "daemon666"

#define MAX_ADVERTS   32
#define MAX_ADVERT_LEN 192

new g_Adverts[MAX_ADVERTS][MAX_ADVERT_LEN]
new g_AdvertCount
new g_Current

new g_pInterval
new g_pEnabled
new g_pPrefix

public plugin_init()
{
    register_plugin(PLUGIN, VERSION, AUTHOR)

    g_pEnabled  = register_cvar("csb_adverts_enabled", "1")
    g_pInterval = register_cvar("csb_adverts_interval", "90.0")
    g_pPrefix   = register_cvar("csb_adverts_prefix", "[INFO]")

    register_clcmd("say /adverts", "cmd_list_adverts", ADMIN_CFG)

    load_adverts()

    new Float:interval = get_pcvar_float(g_pInterval)
    if (interval < 10.0)
        interval = 10.0

    set_task(interval, "task_advert", 0, "", 0, "b")
}

/* Reads addons/amxmodx/configs/csb_adverts.ini — one message per line,
 * ';' and '//' start a comment. Colour codes: !g green, !t team, !y yellow. */
load_adverts()
{
    new path[128]
    get_configsdir(path, charsmax(path))
    format(path, charsmax(path), "%s/csb_adverts.ini", path)

    g_AdvertCount = 0

    new file = fopen(path, "rt")
    if (!file)
    {
        log_amx("[CSB Adverts] Config not found: %s — no adverts loaded.", path)
        return
    }

    new line[MAX_ADVERT_LEN]

    while (!feof(file) && g_AdvertCount < MAX_ADVERTS)
    {
        fgets(file, line, charsmax(line))
        trim(line)

        if (!line[0] || line[0] == ';' || (line[0] == '/' && line[1] == '/'))
            continue

        copy(g_Adverts[g_AdvertCount], charsmax(g_Adverts[]), line)
        g_AdvertCount++
    }

    fclose(file)

    log_amx("[CSB Adverts] Loaded %d advert(s).", g_AdvertCount)
}

public task_advert()
{
    if (!get_pcvar_num(g_pEnabled) || !g_AdvertCount)
        return

    if (!get_playersnum())
        return

    new prefix[32]
    get_pcvar_string(g_pPrefix, prefix, charsmax(prefix))

    new msg[MAX_ADVERT_LEN + 40]
    formatex(msg, charsmax(msg), "^x04%s^x01 %s", prefix, g_Adverts[g_Current])

    client_print_color(0, print_team_default, msg)

    g_Current = (g_Current + 1) % g_AdvertCount
}

public cmd_list_adverts(id, level, cid)
{
    if (!cmd_access(id, level, cid, 1))
        return PLUGIN_HANDLED

    console_print(id, "[CSB Adverts] %d advert(s) loaded:", g_AdvertCount)

    for (new i = 0; i < g_AdvertCount; i++)
        console_print(id, "  %d. %s", i + 1, g_Adverts[i])

    return PLUGIN_HANDLED
}