<?php
  //deleting and reporting comments are in the actual post in order to be able to give the affirmative or negative msg on completion or error
  
  $stmt = $conn->prepare("SELECT * FROM comments WHERE post_id = :pid ORDER BY date ASC");
  $stmt->bindParam(":pid", $_GET["post"]);
  $stmt->execute();
  $row = $stmt->fetchAll();
  
  if(isset($_GET["a"])){
    conn();
    $stmt = $GLOBALS['conn']->prepare("SELECT * FROM alerts WHERE id = :id");
    $stmt->bindParam(":id", $_GET["a"]);
    $stmt->execute();
    $res = $stmt->fetch(PDO::FETCH_OBJ);
    if($res->mentionee == $current_user){
      alertDelete($_GET["a"]);
    }
  }
?>
<div class="container card noHover">
  <div id=comments>
    <div id=commentWriter>
        <script>
          function getContent(){
            document.getElementById("realText").value = document.getElementById("commentEditor").innerHTML;
          }
          function findPos(obj) {
            return obj.getBoundingClientRect().top - obj.clientHeight;
          }
          function addToCW(text){
            document.getElementById("commentEditor").innerHTML = document.getElementById("commentEditor").innerHTML + "@" + text + " ";
            
            document.getElementById("realText").value = document.getElementById("commentEditor").innerHTML;
            
            window.scrollBy(0, findPos(document.getElementById("commentWriter")));
          }
        </script>
      <?php
        
        if(isset($_GET["report"])){
          $stmt = $conn->prepare("SELECT * FROM comments WHERE id = :id");
          $rid = $_GET["report"];
          $stmt->bindParam(":id", $rid);
          $stmt->execute();
          $comment = $stmt->fetch(PDO::FETCH_OBJ);
          $commentID = intval($comment->id);
          if($commentID!=""){
            $stmt = $conn->prepare("SELECT * FROM comments WHERE id = :id");
            $stmt->bindParam(":id", $commentID);
            $stmt->execute();
            $return = $stmt->fetch(PDO::FETCH_OBJ);
            $current = $return->reports;
            if(strpos($current, $current_user) === false){
              $new = $current.$current_user.",";
              $stmt = $conn->prepare("UPDATE comments SET reports = :new WHERE id = :id");
              $stmt->bindParam(":new", $new);
              $stmt->bindParam(":id", $commentID);
              $stmt->execute();
              if($stmt){
                msg("Comment reported.");
                header("Refresh:0");
              }else{
                msg("Error reporting comment.");
                header("Refresh:0");
              }
            }else{
              msg("Your report has already been recorded.");
              header("Refresh:0");
            }
          }
        }
        
        if(isset($_GET["reply"])){
          $name = getUserInfo($_GET["reply"])->name;
          
          $reply = "&reply=".$_GET["reply"];
          $repNotif = "<p style=\"float:left;font-size:1em;margin:0.5em 0.3em;\">(Replying to $name)</p>";
        }else{
          $reply = $repNotif = "";
        }
      ?>
      <form method=POST action=/res/commentSub.php?post=<?=$_GET["post"].$reply; ?>>
      <div contentEditable=true id=commentEditor name=commentPsuedo placeholder="Add your ideas" onkeyup=getContent()></div>
      <textarea id=realText name=comment style="display:none"></textarea>
      <div id=commentWriterButtons>
        <?=$repNotif; ?>
        <div id=commentSubmitWrapper>
          <p id=rulesReminder>Remember: we have <a href="/rules.php" target=_BLANK>rules</a>!</p>
          <button id=commentSubmitButton type=submit>SUBMIT</button>
        </div>
      </div>
      </form>
    </div>
    
     <!-- submitted comments -->
    <div id=submittedComments>
    <?php
    foreach($row as $comment){
    $uname = getUserInfo($comment["poster_id"])->name;
    $comment["text"] = decodeUserLink($comment["text"]);
    $teacher = getUserInfo($comment["poster_id"])->teacher?"<i class=material-icons>school</i>":"";
    if($comment["poster_id"] == $current_user){
      $repDel = "<p class=commentReport><a href=?delc=".$comment["id"]."&post=".$_GET['post'].">delete</a></p>";
    }else{
      $repDel = "<a href=?post=".$_GET['post']."&repc=".$comment["id"]." class=commentReport>report</a>";
    }
    
    if($_GET["a"]==$comment['id']){
        $a = "current";
        echo "<script>document.addEventListener('DOMContentLoaded',function(event) {window.scrollBy(-500,-500);});</script>";
    }else{
        $a = "";
    }
    echo "
      <div class='comment $a'>
      <a name=".$comment['id']."></a>
        <div class=commentTop>
          <p><a href=/user/?user=".$comment["poster_id"]." class=commentName> ".$uname."</a>".$teacher." <span class=commentTime>".makeDate($comment['date'])."</span></p>
        </div>
        <div class=commentMiddle>".hyperlink($comment['text'])."</div>
        <div class=commentBottom>
          ".$repDel."
          <span class=commentReply onclick=\"addToCW('".$uname."')\">Reply</span>
        </div>
      </div>";
    }
    ?>
    <a name=bottomOfComments></a>
    </div>
  </div>
</div>