<?php
class Bet
{
	public $ID = 0;
	public $ticket; // Ticket object
	public $sport = '';
	public $team1 = '';
	public $team2 = '';
	public $exchange = 0;   # /100
	public $prediction = 0; # /100
	public $bet = '';
	public $datetime; // PHP DateTime object
	public $desc = '';

	public $result = ''; // 5:4

	public function __construct(Ticket $ticket)
	{
		$this->ticket = $ticket;
	}

	public function store()
	{
		global $db;

		$data = array(
			'ticket_id'  => $this->ticket->ID,
			'sport'      => $this->sport,
			'team1'      => $this->team1,
			'team2'      => $this->team2,
			'exchange'   => $this->exchange,
			'prediction' => $this->prediction,
			'bet'        => $this->bet,
			'datetime'   => $this->datetime->format('U'),
			'text'       => $this->desc,
		);

		$sql = 'INSERT INTO ' . BETS_TABLE . ' ' . $db->sql_build_array('INSERT', $data);
		$db->sql_query($sql);

		$sql = 'UPDATE ' . TICKETS_TABLE . '
			     SET last_bet_datetime = ' . $data['datetime'] . '
			     WHERE id = ' . $data['ticket_id'] . '
			      AND last_bet_datetime < ' . $data['datetime'];
		$db->sql_query($sql);

		$this->ID = $db->sql_nextid();

		$this->ticket->bets[] = $this;
	}

	public function loadFromRow($row)
	{
		$this->ID         = (int) $row['id'];
		$this->sport      = $row['sport'];
		$this->team1      = $row['team1'];
		$this->team2      = $row['team2'];
		$this->exchange   = (int) $row['exchange'];
		$this->prediction = (int) $row['prediction'];
		$this->result     = $row['result'];
		$this->bet        = $row['bet'];
		$this->datetime   = new DateTime('@' . $row['datetime']);
		$this->desc       = $row['text'];

		$this->ticket->bets[] = $this;
	}

	public function setResult($team1, $team2)
	{
		global $db;

		$this->result = ((int) $team1) . ':' . ((int) $team2);

		$data = array(
			'result' => $this->result,
		);

		$sql = 'UPDATE ' . BETS_TABLE . '
		         SET ' . $db->sql_build_array('UPDATE', $data) . '
		         WHERE id = ' . $this->ID;
		$db->sql_query($sql);
	}

	public function won()
	{
		if (empty($this->result))
			return true;

		$result = explode(':', $this->result);

		switch ($this->bet)
		{
			case '1':
				return $result[0] > $result[1];

			case 'X':
				return $result[0] == $result[1];

			case '2':
				return $result[0] < $result[1];

			case '1X':
				return $result[0] >= $result[1];

			case 'X2':
				return $result[0] <= $result[1];

			case '12':
				return $result[0] <> $result[1];
		}

		switch ($this->bet[0])
		{
			case '<':
				return $result[0] + $result[1] < substr($this->bet, 1);

			case '>':
				return $result[0] + $result[1] > substr($this->bet, 1);

			case '=':
				return $result[0] + $result[1] == substr($this->bet, 1);

			case '!':
				return $result[0] + $result[1] != substr($this->bet, 1);
		}

		if (strpos($this->bet, 'STG') === 0)
		{
			return $result[$this->bet[3] - 1] > 0;
		}

		return false;
	}

	public function setTemplate($prefix = '')
	{
		global $template;

		$template->assign_block_vars($prefix . 'bet', array(
			'ID'         => $this->ID,
			'DATETIME'   => $this->datetime->format('d.m G:i'),
			'SPORT'      => $this->sport,
			'TEAM1'      => $this->team1,
			'TEAM2'      => $this->team2,
			'BET'        => $this->bet,
			'EXCHANGE'   => $this->exchange / 100,
			'PREDICTION' => $this->prediction,
			'RESULT'     => $this->result,
			'WON'        => $this->won(),
		));
	}

	public function unsetTemplate($prefix = '')
	{
		$template->destroy_block_vars($prefix . 'bet');
	}
}