commit dc0fdbf73df4b99c6e0f9c0c09f616a81f995771
Author: Nikiroy78 <35032449+Nikiroy78@users.noreply.github.com>
Date:   Wed Mar 8 01:10:34 2023 +0300

    Add files via upload

diff --git a/api/components/api-out.php b/api/components/api-out.php
new file mode 100644
index 0000000..1f1c7b4
--- /dev/null
+++ b/api/components/api-out.php
@@ -0,0 +1,7 @@
+<?php
+
+function apiOut ($out) {
+	return json_encode($out);
+}
+
+?>
\ No newline at end of file
diff --git a/api/components/config.php b/api/components/config.php
new file mode 100644
index 0000000..7767919
--- /dev/null
+++ b/api/components/config.php
@@ -0,0 +1,3 @@
+<?php
+$PATH_COMPONENTS = $_SERVER['DOCUMENT_ROOT'];  // Путь до корня проекта
+?>
\ No newline at end of file
diff --git a/api/components/database-controller.php b/api/components/database-controller.php
new file mode 100644
index 0000000..8365fd9
--- /dev/null
+++ b/api/components/database-controller.php
@@ -0,0 +1,47 @@
+<?php
+include "config.php";
+$db = new SQLite3($PATH_COMPONENTS . "/database.db");
+
+function getRequestHistory () {
+	global $db;
+	
+	$results = $db->query('SELECT date, hash, text FROM history;');
+	$list = array();
+	while ($row = $results->fetchArray()) {
+		// var_dump($row);
+		$list[] = '['. $row['date'] .']: ('. $row['hash'] .'): '. $row['text'];
+	}
+	
+	return $list;
+}
+
+function saveHistory ($md5, $text) {
+	global $db;
+	
+	$stmt = $db->prepare("INSERT INTO history (date, hash, text) VALUES (:time, :hash, :text);");
+	//if (!$stmt) print_r("fail: " . $db->lastErrorMsg());
+	$stmt->bindParam(':hash', $md5, SQLITE3_TEXT);
+	$stmt->bindParam(':text', $text, SQLITE3_TEXT);
+	$stmt->bindParam(':time', time(), SQLITE3_INTEGER);
+	
+	$stmt->execute();
+}
+
+function saveResult ($md5, $text, $result) {
+	global $db;
+	
+	$stmt = $db->prepare("INSERT INTO results (hash, result) VALUES (:md5Val, :result);");
+	//if (!$stmt) print_r("fail: " . $db->lastErrorMsg());
+	$stmt->bindParam(':md5Val', $md5, SQLITE3_TEXT);
+	$stmt->bindParam(':result', json_encode($result), SQLITE3_TEXT);
+	
+	$stmt->execute();
+	
+	saveHistory($md5, $text);
+}
+
+function getResultFromMd5 ($md5, $lang) {
+	return "NO";
+}
+
+?>
\ No newline at end of file
diff --git a/api/components/database.db b/api/components/database.db
new file mode 100644
index 0000000..e69de29
diff --git a/api/components/get-history.php b/api/components/get-history.php
new file mode 100644
index 0000000..cdc232e
--- /dev/null
+++ b/api/components/get-history.php
@@ -0,0 +1,16 @@
+<?php
+error_reporting(E_ERROR | E_PARSE);
+include "database-controller.php";
+
+function getHistory () {
+	$result = getRequestHistory();
+	
+	if (count($result) == 0) {
+		return "Записи отсутствуют";
+	}
+	else {
+		return "Запросы: \n". implode("\n", $result);
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/api/get_history.php b/api/get_history.php
new file mode 100644
index 0000000..4c26305
--- /dev/null
+++ b/api/get_history.php
@@ -0,0 +1,7 @@
+<?php
+include "components/get-history.php";
+
+die(
+	getHistory()
+);
+?>
\ No newline at end of file
diff --git a/api/wrong_symbols.find.php b/api/wrong_symbols.find.php
new file mode 100644
index 0000000..3c72ebf
--- /dev/null
+++ b/api/wrong_symbols.find.php
@@ -0,0 +1,128 @@
+<?php
+include "components/database-controller.php";
+include "components/api-out.php";
+
+error_reporting(E_ERROR | E_PARSE);
+
+function toMd5 ($str) {  // Возможность своей ренализации алгоритма md5 при необходимости
+	return md5($str);
+}
+
+function detectLang ($text) {
+	$ruSymbols = selectRuIndex($text);
+	
+	$text = iconv("UTF-8", "windows-1251", $text);
+	$textArr = str_split($text, 1);
+	return (float)count($ruSymbols) / (float)count($textArr) >= 0.5 || count(selectRuIndex($text)) == strlen($text) ? "ru_RU" : "en_US";
+}
+
+function selectEnIndex ($text) {
+	$enSymbols = array();
+	// $textArr = explode(" ", $text);
+	// $textArr = str_split($text, 1);
+	$text = iconv("UTF-8", "windows-1251", $text);
+	$textArr = str_split($text, 1);
+	$enDict = str_split('qwertyuiopasdfghjklzxcvbnm', 1);
+	// print_r($textArr);
+	
+	for ($i=0; $i <= count($textArr); $i++) {
+		// if (strpos('ййцукенгшщзхъфывапролджэячсмитьбюёё', mb_strtolower($text[$i])) === true) {
+		if (in_array(mb_strtolower($textArr[$i]), $enDict)) {
+			$enSymbols[] = $i;
+		}
+	}
+	return $enSymbols;
+}
+
+function selectRuIndex ($text) {
+	$enSymbols = selectEnIndex($text);
+	$result = array();
+	
+	$text = iconv("UTF-8", "windows-1251", $text);
+	$textArr = str_split($text, 1);
+	
+	for ($i=0; $i < count($textArr); $i++) {
+		if (!in_array($i, $enSymbols)) {
+			$result[] = $i;
+		}
+	}
+	
+	return $result;
+}
+
+function wrong_symbol ($text, $lang) {
+	switch ($lang) {
+		case "ru_RU":
+			$cacheResult = getResultFromMd5(toMd5($text), "ru_RU");
+			if (
+				$cacheResult === "NO"
+			) {
+				// return selectRuIndex($text);
+				$enSymbols = selectEnIndex($text);
+				$text = iconv("UTF-8", "windows-1251", $text);
+				$textArr = str_split($text, 1);
+				
+				$recheckSymbols = array();
+				
+				$enDict = str_split('eopakxcyEOPAKXCBMHT', 1);
+				for ($i=0; $i <= count($textArr); $i++) {
+					if (in_array($textArr[$i], $enDict)) {
+						$recheckSymbols[] = $i;
+					}
+				}
+				
+				saveResult(
+					toMd5($text),
+					$text,
+					$recheckSymbols
+				);
+				return $recheckSymbols;
+			}
+			else {
+				saveHistory(toMd5($text), $text);
+				return $cacheResult;
+			}
+		
+		case "en_US":
+			$cacheResult = getResultFromMd5(toMd5($text), "en_US");
+			if (
+				$cacheResult === "NO"
+			) {
+				$ruSymbols = selectRuIndex($text);
+				$text = iconv("UTF-8", "windows-1251", $text);
+				$textArr = str_split($text, 1);
+				
+				$recheckSymbols = array();
+				
+				$ruDict = str_split(iconv("UTF-8", "windows-1251", "еоракхсуЕОРАКХСВМНТ"), 1);
+				
+				for ($i=0; $i <= count($textArr); $i++) {
+					if (in_array($textArr[$i], $ruDict)) {
+						$recheckSymbols[] = $i;
+					}
+				}
+				
+				saveResult(
+					toMd5($text),
+					$text,
+					$recheckSymbols
+				);
+				return $recheckSymbols;
+			}
+			else {
+				saveHistory(toMd5($text), $text);
+				return $cacheResult;
+			}
+		
+		default : // Определим язык и применим рекурсию
+			return wrong_symbol($text, detectLang($text));
+	}
+}
+
+die(
+	apiOut(
+		wrong_symbol($_GET['text'], $_GET['lang'])
+	)
+);
+
+?>
\ No newline at end of file
diff --git a/database.db b/database.db
new file mode 100644
index 0000000..b9bc58f
Binary files /dev/null and b/database.db differ
diff --git a/index.php b/index.php
new file mode 100644
index 0000000..daf7f7a
--- /dev/null
+++ b/index.php
@@ -0,0 +1,114 @@
+<!doctype html>
+<html>
+	<head>
+		<title>Тестовое задание</title>
+		<meta charset="utf-8">
+		<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-GLhlTQ8iRABdZLl6O3oVMWSktQOp6b7In1Zl3/Jr59b6EGGoI1aFkw7cmDA6j6gD" crossorigin="anonymous">
+		<style>
+			body {
+				margin-top : 2.5%;
+			}
+		</style>
+	</head>
+	<body>
+		<center><h1>Подсветка латинских символов</h1></center>
+		
+		<form>
+			<div class="mb-3">
+				<label for="textArea" class="form-label">Введите текст здесь</label>
+				<textarea type="text" class="form-control" id="textArea"></textarea>
+				<hr>
+				<p id="outputArea"></p>
+				<hr>
+			</div>
+			
+			<div class="mb-3">
+				<label for="textArea" class="form-label">История запросов</label>
+				<textarea type="text" class="form-control" id="historyArea" readonly><?php
+					include "api/components/get-history.php";
+					echo getHistory();
+				?></textarea>
+			</div>
+			
+			<center><button type="button" class="btn btn-primary" onclick="formHandler();">Отправить</button></center>
+		</form>
+		
+		<script>
+			var textInputed = document.getElementById('textArea').innerHTML;
+			
+			function escapeRegExp(string) {
+				return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+			}
+			
+			function replaceAll(str, find, replace) {
+				return str.replace(new RegExp(escapeRegExp(find), 'g'), replace);
+			}
+			
+			var autoLightMode = false;
+			
+			function syncHistroy () {
+				let request = new XMLHttpRequest(); 
+				request.open("GET", "/api/get_history.php", false);
+				request.send();
+				if (request.status == 200) {
+					return request.responseText;
+				}
+			}
+			
+			const formHandler = () => {
+				let request = new XMLHttpRequest(); 
+				request.open("GET", `/api/wrong_symbols.find.php?text=${textInputed}`, false);
+				request.send();
+				
+				console.log(request.status);
+				if (request.status == 200) {
+					let result = JSON.parse(request.responseText);
+					let index;
+					let bufferStr = textInputed;
+					let lightingLetters = [];
+					for (let i in result) {
+						index = result[i];
+						lightingLetters.push(`<strong>${bufferStr[index]}</strong>`);
+					}
+					
+					for (let i in result) {
+						index = result[i];
+						bufferStr = replaceAll(bufferStr, bufferStr[index], "জ");
+					}
+					
+					bufferStr = bufferStr.split("জ");
+					
+					let lightingLettersId = 0;
+					let endlessStr = "";
+					for (let i in bufferStr) {
+						endlessStr += bufferStr[i];
+						if (lightingLettersId < lightingLetters.length) {
+							endlessStr += lightingLetters[lightingLettersId];
+							lightingLettersId++;
+						}
+					}
+					
+					document.getElementById('outputArea').innerHTML = endlessStr;
+					document.getElementById('historyArea').innerHTML = syncHistroy();
+					
+					if (!autoLightMode) autoLightMode = true;
+				}
+			}
+			
+			function realTimeTyping () {
+				// console.log(123);
+				if (textInputed != document.getElementById('textArea').value) {
+					textInputed = document.getElementById('textArea').value;
+					if (!autoLightMode) {
+						document.getElementById('outputArea').innerHTML = textInputed;
+					}
+					else {
+						formHandler();
+					}
+				}
+			}
+			
+			setInterval(realTimeTyping, 1);
+		</script>
+	</body>
+</html>
\ No newline at end of file