<?php
require_once '../path.php';

try {
	$redis = new redis();  
	$r_conn = $redis->connect('127.0.0.1', 6379);
} catch (Exception $e) {
	$r_conn=false;
}


$dns = "sqlite:"._FILE_DB_PALI_TOC_;
$dbh_toc = new PDO($dns, "", "",array(PDO::ATTR_PERSISTENT=>true));
$dbh_toc->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);  

$dns = "sqlite:"._FILE_DB_PALITEXT_;
$dbh_pali_text = new PDO($dns, "", "",array(PDO::ATTR_PERSISTENT=>true));
$dbh_pali_text->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);

$dns = "sqlite:"._FILE_DB_RESRES_INDEX_;
$dbh_res = new PDO($dns, "", "",array(PDO::ATTR_PERSISTENT=>true));
$dbh_res->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);

if(isset($_GET["book"])){
	$book = (int)$_GET["book"];
}
if(isset($_GET["para"])){
	$para = (int)$_GET["para"];
}

$query = "SELECT chapter_len FROM pali_text WHERE book = ? and paragraph = ?";
$stmt = $dbh_pali_text->prepare($query);
$stmt->execute(array($book,$para));
$paraInfo = $stmt->fetch(PDO::FETCH_ASSOC);
if($paraInfo){
	$query = "SELECT level FROM pali_text WHERE book = ? and (paragraph between ? and ?) and level<8 order by level ASC limit 0,1";
	$stmt = $dbh_pali_text->prepare($query);
	$stmt->execute(array($book,$para+1,$para+(int)$paraInfo["chapter_len"]-1));
	$paraMax = $stmt->fetch(PDO::FETCH_ASSOC);
	if($paraMax){
		$query = "SELECT book, paragraph as para, level , toc as title FROM pali_text WHERE book = ? and (paragraph between ? and ?) and level = ?  limit 0,1000";
		$stmt = $dbh_pali_text->prepare($query);
		$stmt->execute(array($book,$para,$para+$paraInfo["chapter_len"],$paraMax["level"]));
		$paraList = $stmt->fetchAll(PDO::FETCH_ASSOC);	
		foreach ($paraList as $key => $value) {
			# 查进度
			$paraProgress = false;
			if($r_conn){
				$count = $redis->hLen("progress_chapter_{$value["book"]}_{$value["para"]}");
				if($count>0){
					$prog = $redis->hGetAll("progress_chapter_{$value["book"]}_{$value["para"]}");
					foreach ($prog as $keylang => $valuetrans) {
						# code...
						$paraProgress = array("lang"=>$keylang,"all_trans"=>$valuetrans);
						break;
					}
				}
			}
			else{
				$query = "SELECT lang, all_trans from progress_chapter where book=? and para=?";
				$stmt = $dbh_toc->prepare($query);
				$sth_toc = $dbh_toc->prepare($query);
				$sth_toc->execute(array($value["book"],$value["para"]));
				$paraProgress = $sth_toc->fetch(PDO::FETCH_ASSOC);				
			}

			$paraList[$key]["progress"]=$paraProgress;

			#查标题
			if(isset($_GET["lang"])){
				$query = "SELECT title from 'index' where book=? and paragraph=? and language=?";
				$stmt = $dbh_res->prepare($query);
				$sth_title = $dbh_res->prepare($query);
				$sth_title->execute(array($value["book"],$value["para"],$_GET["lang"]));
				$trans_title = $sth_title->fetch(PDO::FETCH_ASSOC);
				if($trans_title){
					$paraList[$key]["trans_title"]=$trans_title['title'];
				}
			}
		}
		echo json_encode($paraList, JSON_UNESCAPED_UNICODE);
	}
	else{
		echo json_encode(array(), JSON_UNESCAPED_UNICODE);
	}
	
}
else{
	echo json_encode(array(), JSON_UNESCAPED_UNICODE);
}


?>