<?php

$TOKEN = "8741589497:AAE88sfQacGPAhjNp5PxDXiBx-5uNg0oRX0";
$API = "https://api.telegram.org/bot$TOKEN/";
$DATA_FILE = "data.json";

// ===== DATA =====
if (!file_exists($DATA_FILE)) {
    file_put_contents($DATA_FILE, json_encode([
        "pults" => [
            "1"=>["busy"=>false,"end"=>0],
            "2"=>["busy"=>false,"end"=>0],
            "3"=>["busy"=>false,"end"=>0],
            "4"=>["busy"=>false,"end"=>0]
        ],
        "income" => [],
        "users" => []
    ]));
}

$data = json_decode(file_get_contents($DATA_FILE), true);

// ===== UPDATE =====
$update = json_decode(file_get_contents("php://input"), true);
$chat_id = $update["message"]["chat"]["id"] ?? null;
$text = $update["message"]["text"] ?? "";

// ===== SEND =====
function send($chat_id, $text, $keyboard=null){
    global $API;
    $params = [
        "chat_id"=>$chat_id,
        "text"=>$text,
        "reply_markup"=>$keyboard
    ];
    file_get_contents($API."sendMessage?".http_build_query($params));
}

// ===== KEYBOARD =====
function keyboard($data){
    $buttons = [];
    for($i=1;$i<=4;$i++){
        $status = $data["pults"][$i]["busy"] ? "🔴" : "🟢";
        $buttons[] = [["text"=>"$status $i-pult"]];
    }
    $buttons[] = [["text"=>"📊 Bugun"],["text"=>"📅 Oy"]];
    return json_encode(["keyboard"=>$buttons,"resize_keyboard"=>true]);
}

// ===== INCOME =====
function addIncome(&$data,$amount){
    $today = date("Y-m-d");
    if(!isset($data["income"][$today])) $data["income"][$today]=0;
    $data["income"][$today]+=$amount;
}

function todayIncome($data){
    return $data["income"][date("Y-m-d")] ?? 0;
}

function monthIncome($data){
    $month=date("Y-m");
    $sum=0;
    foreach($data["income"] as $d=>$v){
        if(strpos($d,$month)===0) $sum+=$v;
    }
    return $sum;
}

// ===== BOT LOGIC =====

// START
if($text=="/start"){
    send($chat_id,"🎮 PS BOT",keyboard($data));
}

// PULT TANLASH
elseif(strpos($text,"pult")!==false){
    preg_match('/(\d)/',$text,$m);
    $pult=$m[1];

    if($data["pults"][$pult]["busy"]){
        $remain=ceil(($data["pults"][$pult]["end"]-time())/60);
        send($chat_id,"❌ Band\n⏳ $remain min");
    } else {
        $data["users"][$chat_id]=$pult;
        send($chat_id,"💰 Necha pul?");
    }
}

// STATISTIKA
elseif($text=="📊 Bugun"){
    send($chat_id,"📊 ".todayIncome($data)." so‘m");
}
elseif($text=="📅 Oy"){
    send($chat_id,"📅 ".monthIncome($data)." so‘m");
}

// PUL KIRITISH
elseif(is_numeric($text)){
    $pul=intval($text);
    $pult=$data["users"][$chat_id] ?? null;

    if(!$pult){
        send($chat_id,"❗ Pult tanlang");
    } else {

        $minutes=($pul*60)/($pult*10000);
        $end=time()+($minutes*60);

        $data["pults"][$pult]=[
            "busy"=>true,
            "end"=>$end
        ];

        addIncome($data,$pul);

        send($chat_id,"🎮 $pult-pult\n⏱ $minutes min\n🔴 BAND",keyboard($data));
    }
}

// SAVE
file_put_contents($DATA_FILE,json_encode($data));