$MSG_MARK:$mark

<?php
$cache_time = 10;
$OJ_CACHE_SHARE = false;

require_once('./include/cache_start.php');
require_once('./include/db_info.inc.php');
require_once('./include/setlang.php');

$view_title = "Welcome To Online Judge";

if(!isset($_SESSION[$OJ_NAME.'_'.'user_id'])){
  header("location:loginpage.php");
  exit(0);
} 

require_once("./include/const.inc.php");
require_once("./include/llm_guidance.inc.php");

if(!isset($_GET['sid'])){
  echo "No such code!\n";
  require_once("oj-footer.php");
  exit(0);
}

function is_valid($str2){
  global $_SESSION,$OJ_NAME,$OJ_FRIENDLY_LEVEL;
  if(isset($_SESSION[$OJ_NAME.'_'.'source_browser'])) return true;
  if($OJ_FRIENDLY_LEVEL>3) return true;
  // 如果希望能让任何人都查看对比和RE,放开行首注释，并设定$OJ_SHOW_DIFF=true;
  // return true;

  $n = strlen($str2);
  $str = str_split($str2);
  $m = 1;
  for($i=0; $i<$n; $i++){
    if(is_numeric($str[$i]))
      $m++;
  }
  return $n/$m>3;
}

if(!isset($_SESSION[$OJ_NAME.'_'.'user_id'])){
  $view_errors = $MSG_WARNING_ACCESS_DENIED ;
  require("template/".$OJ_TEMPLATE."/error.php");
  exit(0);
}

$ok = false;
$id = strval(intval($_GET['sid']));

$sql = "SELECT * FROM `solution` WHERE `solution_id`=?";
$result = pdo_query($sql,$id);
$row = $result[0];
$lang = $row['language'];
$contest_id = intval($row['contest_id']);
$problem_id = intval($row['problem_id']);
$problem_num = intval($row['num']);
$view_resubmit_url = "submitpage.php?id=".$problem_id."&sid=".intval($id);
$view_problem_url = "problem.php?id=".$problem_id;
if($contest_id > 0){
  $view_resubmit_url = "submitpage.php?cid=".$contest_id."&pid=".$problem_num."&sid=".intval($id);
  $view_problem_url = "problem.php?cid=".$contest_id."&pid=".$problem_num;
}
$isRE = $row['result']==10;
$isAC = $row['result']==4 ;
$mark=$row['pass_rate']*100;
if($isAC) $mark=100;

if((isset($_SESSION[$OJ_NAME.'_'.'user_id']) && $row && (strval($row['user_id'])===strval($_SESSION[$OJ_NAME.'_'.'user_id'])))||isset($_SESSION[$OJ_NAME.'_'.'source_browser']))
{
  $ok = true;
}

// Compile Error has its own page with compiler diagnostics and source-line
// annotations. Redirect after the ownership check so submit-page polling and
// status-page clicks end up on the same safe CE view.
if ($ok && intval($row['result']) === 11) {
  header("Location: ceinfo.php?sid=" . intval($id));
  exit(0);
}
$spj=pdo_query("select spj from problem where problem_id=?",$row['problem_id']);
if(!empty($spj)&&$spj[0][0]==2 && $OJ_HIDE_RIGHT_ANSWER && !isset($_SESSION[$OJ_NAME.'_'.'source_browser']) ){
    $view_errors = "<h1>$MSG_MARK:$mark</h1><br>";
    $ok = false;
}
/**
 * 把 N 个相同测试点的 RE 折叠为 "1.in~5.in: Aborted (共 5 个测试点)"
 */
function dedup_runtimeinfo($text, &$dedup_count) {
  $lines = explode("\n", $text);
  $buckets = array();  // reason => [testcase, ...]
  $other = array();
  foreach ($lines as $line) {
    $line = trim($line);
    if ($line === "") continue;
    // 形如 "data/1001/1.in:Aborted" 或 "1.in: Segmentation fault"
    if (preg_match('/^(?:data\/\d+\/)?([^\s:]+(?:[.:][^\s:]+)*?):\s*(.+)$/', $line, $m)) {
      $tc = $m[1];
      $reason = trim($m[2]);
      $buckets[$reason][] = $tc;
    } else {
      $other[] = $line;
    }
  }
  $out = array();
  foreach ($other as $o) $out[] = $o;
  foreach ($buckets as $reason => $tcs) {
    $count = count($tcs);
    if ($count == 1) {
      $out[] = $tcs[0] . ": " . $reason;
    } else {
      $first = $tcs[0];
      $last  = $tcs[$count - 1];
      $range = ($first === $last) ? $first : ($first . "~" . $last);
      $out[] = $range . ": " . $reason . " (共 " . $count . " 个测试点)";
      $dedup_count += ($count - 1);
    }
  }
  return implode("\n", $out);
}

/**
 * 把 runtimeinfo.error 解析为结构化的 diff blocks
 * 返回 [['name' => 'test1.out', 'expected' => [...], 'yours' => [...], 'full_mode' => bool], ...]
 * 解析失败返回空数组
 */
function parse_diff_blocks($text) {
  $blocks = array();
  if (empty($text)) return $blocks;

  // 先按 "\n\n" 切分（simple mode 每个测试点之间有空行）
  $chunks = preg_split('/\n\s*\n/', $text);
  foreach ($chunks as $chunk) {
    if (trim($chunk) === '') continue;
    $chunk = trim($chunk, "\r\n");

    // 格式 1: 整段就是一个 =====[name]===== 块（包含表头+数据+结尾 ====）
    // 形如 "========[test1.out]========\nExpected     | Yours\nFail | Fall\n=============================="
    if (preg_match('/^=+\[([^\]]+)\]\=+(.+?)\n=+\s*$/s', $chunk, $m)) {
      $name = trim($m[1]);
      $body = $m[2];
      if (llm_guidance_testcase_base($name) === null) continue;
      // OJ_FULL_DIFF also contains hidden test input. It is never interpreted
      // as an Expected/Yours block; normal users fall back to focused guidance.
      if (llm_guidance_has_full_diff_sections($chunk)) continue;
      // body 形如 "\nExpected     | Yours\nFail | Fall"
      // 去掉首尾的换行符
      $body = trim($body, "\n\r");
      $rows = llm_guidance_parse_diff_rows($body);
      $expected = $rows['expected'];
      $yours = $rows['yours'];
      if (!empty($expected)) {
        $blocks[] = array(
          'name' => $name,
          'expected' => $expected,
          'yours'    => $yours,
          'full_mode' => true,
        );
      }
      continue;
    }

    // 格式 2: simple mode "test1.out\n--\n|Expected|Yours\n|--|--\n|row1|row2"
    if (preg_match('/^([^\n=|]+)\n--\n([\s\S]+)$/', $chunk, $m)) {
      $name = trim($m[1]);
      $body = $m[2];
      if (llm_guidance_testcase_base($name) === null) continue;
      $rows = llm_guidance_parse_diff_rows($body);
      $expected = $rows['expected'];
      $yours = $rows['yours'];
      if (!empty($expected)) {
        $blocks[] = array(
          'name' => $name,
          'expected' => $expected,
          'yours'    => $yours,
          'full_mode' => false,
        );
      }
    }
  }
  return $blocks;
}

$is_compile_error = intval($row['result']) == 11;
$view_reinfo = "";
$view_reinfo_raw = "";     // 原始（管理员/有权限者看）
$view_reinfo_summary = ""; // 折叠后（普通用户看）
$view_reinfo_dedup_count = 0; // 折叠掉的测试点数
$verdict_color_class = "blue"; // semantic ui color: green/red/orange/yellow/grey
$result_icon = "info circle";
$verdict_tip = "";

if($ok){

  if(strval($row['user_id'])!==strval($_SESSION[$OJ_NAME.'_'.'user_id'])){
    $view_mail_link= "<a href='mail.php?to_user=".htmlentities($row['user_id'],ENT_QUOTES,"UTF-8")."&title=$MSG_SUBMIT $id'>Mail the auther</a>";
  }

  $sql = $is_compile_error
    ? "SELECT `error` FROM `compileinfo` WHERE `solution_id`=?"
    : "SELECT `error` FROM `runtimeinfo` WHERE `solution_id`=?";
  $rt = pdo_query($sql,$id);
  $raw_error = "";
  if(isset($rt[0])){
    $raw_error = $rt[0]['error'];
    // 统一换行符：先替换 \r\n，再替换单独的 \r
    $raw_error = str_replace(array("\r\n", "\r"), "\n", $raw_error);
  }

  // === 阶段 1：基于 solution.result 给"主解释"（永远非空）===
  $result_code = intval($row['result']);
  $is_admin_session = isset($_SESSION[$OJ_NAME."_administrator"]);
  $is_source_browser = isset($_SESSION[$OJ_NAME.'_'.'source_browser']);

  // 颜色 + 图标
  switch ($result_code) {
    case 4:  $verdict_color_class = "green"; $result_icon = "check circle"; break;
    case 5:  // PE
    case 6:  $verdict_color_class = "red";   $result_icon = "times circle"; break;
    case 7:  // TLE
    case 8:  // MLE
    case 9:  $verdict_color_class = "yellow";$result_icon = "hourglass end"; break;
    case 10: $verdict_color_class = "red";   $result_icon = "bug"; break;
    case 11: $verdict_color_class = "grey";  $result_icon = "code"; break;
    case 13: $verdict_color_class = "blue";  $result_icon = "play circle"; break;
    default: $verdict_color_class = "blue";  $result_icon = "info circle";
  }

  // 友好提示：仅保留标题性文字，具体修复建议交给 AI 点评
  switch ($result_code) {
    case 4:  // AC
      $verdict_tip = "本次提交通过了所有测试点";
      break;
    case 5:  // PE
      $verdict_tip = "输出与预期基本一致但格式不符（Presentation Error）";
      break;
    case 6:  // WA
      $verdict_tip = "输出与预期不符（Wrong Answer）";
      break;
    case 7:  // TLE
      $verdict_tip = $MSG_HINT_TLE;
      break;
    case 8:  // MLE
      $verdict_tip = $MSG_HINT_MLE;
      break;
    case 9:  // OLE
      $verdict_tip = $MSG_HINT_OLE;
      break;
    case 10: // RE
      $verdict_tip = "程序运行中发生错误（Runtime Error）";
      break;
    case 11: // CE
      $verdict_tip = "编译错误（Compile Error）。请查看下方编译信息。";
      break;
    case 13: // TR (test run)
      $verdict_tip = "测试运行完成（Test Run）";
      break;
    default:
      $verdict_tip = "正在评判，请稍候刷新";
  }

  // === 阶段 3：原始错误处理（syscall 提示 vs 占位符修复）===
  $view_reinfo_raw = $raw_error;
  if (trim($raw_error) === "") {
    // TLE/MLE/OLE 时 runtimeinfo 通常为空
    $view_reinfo_summary = "";
  } elseif ($is_compile_error) {
    $view_reinfo_summary = $raw_error;
  } else {
    // 含 "PASS" 不再显示 "error3" 占位
    // 含 "php" 不再显示 "error2" 占位（用 generic 提示）
    if (strpos($raw_error, "php") !== false) {
      $view_reinfo_summary = $MSG_RUNTIME_GENERIC_ERROR;
      $view_reinfo_raw = $raw_error; // 管理员仍能看
    }
    // 含 "judge/" 区分：是否是 syscall 错误
    elseif (strpos($raw_error, "judge/") !== false
        && strpos($raw_error, "CALLID") === false
        && strpos($raw_error, "Forbidden system call") === false) {
      $view_reinfo_summary = "潜在的数组或指针越界，请检查代码。";
    }
    // 默认：原文 + 去重
    else {
      $view_reinfo_summary = $raw_error;
      // 多测试点去重：按 "infile: error" 模式分组
      $view_reinfo_summary = dedup_runtimeinfo($view_reinfo_summary, $view_reinfo_dedup_count);
    }
  }

  $view_reinfo = $view_reinfo_summary;

  $show_raw = $is_admin_session || $is_source_browser;
  $unsafe_full_diff = llm_guidance_has_full_diff_sections($raw_error);

  // 尝试解析为结构化的 diff 数据（用于高完成度 WA/PE 的对比展示）。
  // Full diff 同时携带隐藏输入，普通页面不解析也不回显。
  $diff_blocks = $unsafe_full_diff ? array() : parse_diff_blocks($raw_error);

  // 完成度只使用学生自己的源码和判题统计；不查询参考答案。
  $source_result = pdo_query("SELECT `source` FROM `source_code_user` WHERE `solution_id`=?", $id);
  $student_source = (!empty($source_result) && $source_result !== -1)
    ? $source_result[0]['source']
    : "";
  $llm_guidance = llm_guidance_assess($student_source, $result_code, floatval($row['pass_rate']));
  $llm_guidance = llm_guidance_refine_with_output_attempt(
    $llm_guidance,
    $result_code,
    llm_guidance_output_attempt($unsafe_full_diff ? '' : $raw_error)
  );
  if ($llm_guidance['show_output_diff'] && empty($diff_blocks)) {
    $llm_guidance['mode'] = 'focused_hint';
    $llm_guidance['show_output_diff'] = false;
  }
  $llm_guidance_auto_fetch = true;

  // 管理员或 source_browser 永远看完整原文。普通学生的 WA/PE
  // 只看经过策略授权的结构化 diff，不再从原始折叠区旁路读取。
  if (!$show_raw && ($result_code === 5 || $result_code === 6)) {
    if ($llm_guidance['show_output_diff'] && !empty($diff_blocks)) {
      $view_reinfo_summary = "已在下方显示本次错误测试点的结构化输出差异。";
    } else {
      // 低/中完成度不能通过重复白卷提交套取隐藏测试点答案。
      $diff_blocks = array();
      $view_reinfo_summary = "当前提交完成度不足，暂不显示隐藏测试点的期望输出。请先补齐程序，再重新提交。";
    }
  }
  if ($show_raw) {
    $view_reinfo = $view_reinfo_raw;
  } else {
    $view_reinfo = $view_reinfo_summary;
  }
  $llm_guidance_has_output_diff = !empty($diff_blocks);
  $is_owner_session = isset($_SESSION[$OJ_NAME.'_'.'user_id'])
    && strval($row['user_id']) === strval($_SESSION[$OJ_NAME.'_'.'user_id']);
  $download_hidden_spj = !empty($spj)
    && intval($spj[0][0]) === 2
    && !empty($OJ_HIDE_RIGHT_ANSWER);
  $download_diff_enabled = !isset($OJ_SHOW_DIFF) || $OJ_SHOW_DIFF;
  $llm_guidance_download_allowed = $is_admin_session
    || ($is_owner_session
      && $download_diff_enabled
      && !$download_hidden_spj
      && !$unsafe_full_diff
      && !empty($llm_guidance['show_output_diff']));
}

// 不是本人的提交，且不是 source_browser
else{
  if($spj[0][0]!=2) $view_errors = $MSG_WARNING_ACCESS_DENIED;
  require("template/".$OJ_TEMPLATE."/error.php");
  exit(0);
}

/////////////////////////Template

if(!$is_compile_error && !isset($_SESSION[$OJ_NAME.'_'.'source_browser']) && $OJ_SHOW_DIFF==false){
  $view_errors = $MSG_WARNING_ACCESS_DENIED;
  require("template/".$OJ_TEMPLATE."/error.php");
  exit(0);
}
else{
  require("template/".$OJ_TEMPLATE."/reinfo.php");
}
/////////////////////////Common foot
if(file_exists('./include/cache_end.php')){
  require_once('./include/cache_end.php');
}
?>