/*
 * CSB Hostage Bonus
 * Copyright (C) 2026 counter-strike-boost.com
 *
 * Rewards a CT who rescues a hostage with bonus money and HP, hooking the
 * Rescued_A_Hostage log event and mapping it back to the player. When the whole
 * batch of hostages is rescued the CT team gets a one-off cash bonus.
 *
 * 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. It is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See <https://www.gnu.org/licenses/> for details.
 */

#include <amxmodx>
#include <cstrike>
#include <fun>

new const PLUGIN[] = "CSB Hostage Bonus"
new const VERSION[] = "1.0.0"
new const AUTHOR[]  = "counter-strike-boost.com"

new g_pEnabled, g_pMoney, g_pHp, g_pAllCount, g_pAllBonus
new g_iRescued

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

    g_pEnabled  = register_cvar("csb_hb_enabled", "1")
    g_pMoney    = register_cvar("csb_hb_money", "1200")
    g_pHp       = register_cvar("csb_hb_hp", "15")
    g_pAllCount = register_cvar("csb_hb_allcount", "4")
    g_pAllBonus = register_cvar("csb_hb_allbonus", "2000")

    register_logevent("evRescued", 3, "3=Rescued_A_Hostage")
    register_logevent("evRoundStart", 2, "1=Round_Start")
}

public evRoundStart()
{
    g_iRescued = 0
}

public evRescued()
{
    if (!get_pcvar_num(g_pEnabled))
        return

    new logUser[80]
    read_logargv(1, logUser, charsmax(logUser))

    new id = getLogUserId(logUser)

    if (!id || !is_user_connected(id))
        return

    new money = get_pcvar_num(g_pMoney)
    new give = cs_get_user_money(id) + money

    if (give > 16000)
        give = 16000

    cs_set_user_money(id, give)

    new addhp = get_pcvar_num(g_pHp)

    if (addhp > 0 && is_user_alive(id))
        set_user_health(id, get_user_health(id) + addhp)

    client_print(id, print_chat, "[CSB] Hostage rescued! Bonus: $%d and +%d HP.", money, addhp)

    g_iRescued++

    if (g_iRescued == get_pcvar_num(g_pAllCount))
        payTeamBonus()
}

payTeamBonus()
{
    new bonus = get_pcvar_num(g_pAllBonus)
    new players[32], num
    get_players(players, num, "ae")

    for (new i = 0; i < num; i++)
    {
        new p = players[i]

        if (get_user_team(p) == 2)
        {
            new m = cs_get_user_money(p) + bonus

            if (m > 16000)
                m = 16000

            cs_set_user_money(p, m)
        }
    }

    client_print(0, print_chat, "[CSB] All hostages rescued! CT team bonus: $%d each.", bonus)
}

getLogUserId(const s[])
{
    new lt = -1, gt = -1, i

    for (i = 0; s[i]; i++)
    {
        if (s[i] == '<')
        {
            lt = i
            break
        }
    }

    if (lt == -1)
        return 0

    for (i = lt + 1; s[i]; i++)
    {
        if (s[i] == '>')
        {
            gt = i
            break
        }
    }

    if (gt == -1)
        return 0

    new num[12], k = 0

    for (i = lt + 1; i < gt && k < charsmax(num); i++)
        num[k++] = s[i]

    num[k] = 0

    return find_player("k", str_to_num(num))
}