<?php
require_once('lib/htm.php');

if (!empty($_SESSION['signed_in'])) {
    if (isset($_POST['postId']) && isset($_POST['yeahType'])) {

        if ((checkPostExists($_POST['postId']) && $_POST['yeahType'] == 'post') || (checkReplyExists($_POST['postId']) && $_POST['yeahType'] == 'reply')) {
            if ($_POST['yeahType'] == 'post') {
                if (!checkPostCreator($_POST['postId'], $_SESSION['user_id'])) {
                    $yeah = $dbc->prepare('INSERT INTO yeahs (yeah_post, type, date_time, yeah_by) VALUES (?, ?, NOW(), ?)');
                    $yeah->bind_param('isi', $_POST['postId'], $_POST['yeahType'], $_SESSION['user_id']);
                    $yeah->execute();

                    $get_user = $dbc->prepare('SELECT * FROM posts INNER JOIN profiles ON user_id = post_by_id WHERE id = ?');
                    $get_user->bind_param('i', $_POST['postId']);
                    $get_user->execute();
                    $user_result = $get_user->get_result();
                    $user = $user_result->fetch_assoc();

                    if ($user['yeah_notifs'] == 1) {
                        notify($user['post_by_id'], 0, $_POST['postId']);
                    }

                    $check_nah = $dbc->prepare('SELECT * FROM nahs WHERE nah_post = ? AND type = 0 AND nah_by = ?');
                    $check_nah->bind_param('ii', $_POST['postId'], $_SESSION['user_id']);
                    $check_nah->execute();
                    $nah_result = $check_nah->get_result();

                    if (!$nah_result->num_rows == 0) {
                        $delete_nah = $dbc->prepare('DELETE FROM nahs WHERE nah_post = ? AND type = 0 AND nah_by = ?');
                        $delete_nah->bind_param('ii', $_POST['postId'], $_SESSION['user_id']);
                        $delete_nah->execute();
                    }

                    echo 'success';
                }
            } else {
                if (!checkReplyCreator($_POST['postId'], $_SESSION['user_id'])) {
                    $yeah = $dbc->prepare('INSERT INTO yeahs (yeah_post, type, date_time, yeah_by) VALUES (?, ?, NOW(), ?)');
                    $yeah->bind_param('isi', $_POST['postId'], $_POST['yeahType'], $_SESSION['user_id']);
                    $yeah->execute();

                    $get_user = $dbc->prepare('SELECT * FROM replies INNER JOIN profiles ON user_id = reply_by_id WHERE reply_id = ?');
                    $get_user->bind_param('i', $_POST['postId']);
                    $get_user->execute();
                    $user_result = $get_user->get_result();
                    $user = $user_result->fetch_assoc();

                    if($user['yeah_notifs']==1){
                        notify($user['reply_by_id'], 1, $_POST['postId']);
                    }

                    $check_nah = $dbc->prepare('SELECT * FROM nahs WHERE nah_post = ? AND type = 1 AND nah_by = ?');
                    $check_nah->bind_param('ii', $_POST['postId'], $_SESSION['user_id']);
                    $check_nah->execute();
                    $nah_result = $check_nah->get_result();

                    if (!$nah_result->num_rows == 0) {
                        $delete_nah = $dbc->prepare('DELETE FROM nahs WHERE nah_post = ? AND type = 1 AND nah_by = ?');
                        $delete_nah->bind_param('ii', $_POST['postId'], $_SESSION['user_id']);
                        $delete_nah->execute();
                    }

                    echo 'success';
                }
            }
        }
    }
}