<?php
ini_set('error_reporting', E_ALL);
date_default_timezone_set('Europe/Istanbul');
$dbhost = 'localhost';
$dbname = 'dbname';
$dbuser = 'dbuser';
$dbpass = 'dbpass]';
define("BASE_URL", "http://localhost/");
try {
    $pdo = new PDO("mysql:host={$dbhost};dbname={$dbname}", $dbuser, $dbpass);
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch( PDOException $ex ) {
    echo "Connection error :" . $ex->getMessage();
}

if(isset($_POST['form1'])) {
    $valid = 1;
    if(empty($_POST['photo_caption'])) {
        $valid = 0;
        $error_message .= "Photo Caption Name can not be empty<br>";
    }
    $path = $_FILES['photo']['name'];
    $path_tmp = $_FILES['photo']['tmp_name'];
    if($path == '') {
        $valid = 0;
        $error_message .= "You must have to select a photo<br>";
    } else {
        $ext = pathinfo( $path, PATHINFO_EXTENSION );
        $file_name = basename( $path, '.' . $ext );
        if( $ext!='jpg' && $ext!='png' && $ext!='jpeg' && $ext!='gif' ) {
            $valid = 0;
            $error_message .= 'You must have to upload jpg, jpeg, gif or png file<br>';
        }
    }
    if(empty($_POST['p_category_id'])) {
        $valid = 0;
        $error_message .= "You must have to select a photo category<br>";
    }
    if($valid == 1) {
        // getting auto increment id for photo renaming
        $statement = $pdo->prepare("SHOW TABLE STATUS LIKE 'tbl_photo'");
        $statement->execute();
        $result = $statement->fetchAll();
        foreach($result as $row) {
            $ai_id=$row[10];
        }
        // uploading the photo into the main location and giving it a final name
        $final_name = 'photo-'.$ai_id.'.'.$ext;
        move_uploaded_file( $path_tmp, '../assets/uploads/'.$final_name );
        // saving into the database
        $statement = $pdo->prepare("INSERT INTO tbl_photo (photo_caption,photo_name,p_category_id) VALUES (?,?,?)");
        $statement->execute(array($_POST['photo_caption'],$final_name,$_POST['p_category_id']));
        $success_message = 'Photo is added successfully.';
    }
}
?>
<section class="content">
    <div class="row">
        <div class="col-md-12">
            <?php if($error_message): ?>
            <div class="callout callout-danger">
            <p>
            <?php echo $error_message; ?>
            </p>
            </div>
            <?php endif; ?>
            <?php if($success_message): ?>
            <div class="callout callout-success">
            <p><?php echo $success_message; ?></p>
            </div>
            <?php endif; ?>
            <form class="form-horizontal" action="" method="post" enctype="multipart/form-data">
                <div class="box box-info">
                    <div class="box-body">
                        <div class="form-group">
                            <label for="" class="col-sm-2 control-label">Photo Caption <span>*</span></label>
                            <div class="col-sm-4">
                                <input type="text" class="form-control" name="photo_caption">
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="" class="col-sm-2 control-label">Upload Photo <span>*</span></label>
                            <div class="col-sm-4" style="padding-top:6px;">
                                <input type="file" name="photo">
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="" class="col-sm-2 control-label">Photo Category <span>*</span></label>
                            <div class="col-sm-4">
                                <select class="form-control" name="p_category_id">
                                    <option value="">Select a photo category</option>
                                    <?php
                                    $statement = $pdo->prepare("SELECT * FROM tbl_category_photo ORDER BY p_category_name ASC");
                                    $statement->execute();
                                    $result = $statement->fetchAll(PDO::FETCH_ASSOC);                            
                                    foreach ($result as $row) {
                                        echo '<option value="'.$row['p_category_id'].'">'.$row['p_category_name'].'</option>';
                                    }
                                    ?>
                                </select>
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="" class="col-sm-2 control-label"></label>
                            <div class="col-sm-6">
                                <button type="submit" class="btn btn-success pull-left" name="form1">Submit</button>
                            </div>
                        </div>
                    </div>
                </div>
            </form>
        </div>
    </div>
</section>