<?php

namespace bank;

require_once(__DIR__ . '/IBank.php');
require_once(__DIR__ . '/bcm.php');
require_once(__DIR__ . '/ccb.php');
require_once(__DIR__ . '/ccbb.php');
require_once(__DIR__ . '/spdb.php');
require_once(__DIR__ . '/cmbc.php');
require_once(__DIR__ . '/cmbcex.php');
require_once(__DIR__ . '/cmbc16.php');
require_once(__DIR__ . '/cmbc28.php');
require_once(__DIR__ . '/hfb.php');

function mb_str_replace($search, $replace, $subject)
{
    if (is_array($subject)) {
        $ret = [];
        foreach ($subject as $key => $val) {
            $ret[$key] = mb_str_replace($search, $replace, $val);
        }
        return $ret;
    }

    foreach ((array)$search as $key => $s) {
        if ($s == '') {
            continue;
        }
        $r = !is_array($replace) ? $replace : (array_key_exists($key, $replace) ? $replace[$key] : '');
        $pos = mb_strpos($subject, $s, 0, 'UTF-8');
        while ($pos !== false) {
            $subject = mb_substr($subject, 0, $pos, 'UTF-8') . $r . mb_substr($subject, $pos + mb_strlen($s, 'UTF-8'), 65535, 'UTF-8');
            $pos = mb_strpos($subject, $s, $pos + mb_strlen($r, 'UTF-8'), 'UTF-8');
        }
    }
    return $subject;
}

class converter
{
    private $mState;
    private $mConveters;
    private $mCurConveter;

    public function __construct()
    {
        $this->mState = 0;
        $this->mConveters = [new ccb(), new ccbb(), new bcm(), new spdb(), new cmbc(), new cmbcex(), new cmbc16(), new cmbc28(), new hfb()];
        $this->clear();
    }

    private function clear()
    {
        foreach ($this->mConveters as $item) {
            $item->clear();
        }
        $this->mCurConveter = null;
    }

    public function start()
    {
        $this->mState = 0;
        $this->clear();

    }

    public function end()
    {
        $this->mState = 0;
        $this->clear();
    }

    public function convert($line)
    {
        if ($this->mState === 0) {
            if ($this->match($line)) {
                $this->mState = 1;
            }
            return [];
        } else {
            $ret = $this->mCurConveter->convert($line);
            return $ret;
        }
    }

    private function match($line)
    {
        foreach ($this->mConveters as $conveter) {
            if ($conveter->match($line)) {
                $this->mCurConveter = $conveter;
                return true;
            }
        }

        return false;
    }
}