<?php
// Check if user is admin
if (empty($_SESSION['is_admin']) || $_SESSION['is_admin'] != 1) {
    
header('Location: index.php?page=home');
    exit;
}

// Include necessary files
require_once 'film/film_functions.php';
require_once 
'film/film_data.php';

// Process form submissions and actions
require_once 'film/film_actions.php';

// HTML header and main content
?>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0" />
<link rel="stylesheet" href="assets/css/films.css">

<body>
    <div class="films-container">
        <!-- Header -->
        <div class="films-header">
            <div class="films-title-section">
                <h1 class="films-title">Film Management</h1>
                <p class="films-subtitle">Add, edit, and manage films in the cinema database</p>
            </div>
            <div class="films-actions">
                <a href="index.php?page=dashboard" class="films-btn films-btn-secondary">
                    <span class="material-symbols-outlined">dashboard</span> Dashboard
                </a>
                <?php if (!$editMode): ?>
                <button class="films-btn films-btn-primary" id="showFormBtn">
                    <span class="material-symbols-outlined">add</span> Add New Film
                </button>
                <?php endif; ?>
            </div>
        </div>
        
        <!-- Success/Error Message (if any) -->
        <?php if ($msg): ?>
            <div class="films-alert films-alert-<?php echo $msgType?>">
                <div class="films-alert-icon">
                    <span class="material-symbols-outlined">
                        <?php echo $msgType === 'success' 'check_circle' 'error'?>
                    </span>
                </div>
                <div class="films-alert-content">
                    <?php echo htmlspecialchars($msg); ?>
                </div>
            </div>
        <?php endif; ?>
        
        <!-- Form Section (initially hidden if not in edit mode) -->
        <div class="films-card" id="formCard" <?php echo (!$editMode && empty($msg)) ? 'style="display: none;"' ''?>>
            <div class="films-card-header">
                <h2 class="films-card-title"><?php echo $editMode 'Edit Film' 'Add New Film'?></h2>
                <?php if (!$editMode): ?>
                <button class="films-btn-icon" id="closeFormBtn">
                    <span class="material-symbols-outlined">close</span>
                </button>
                <?php endif; ?>
            </div>
            <div class="films-card-body">
                <form method="post" action="" class="films-form" enctype="multipart/form-data">
                    <input type="hidden" name="action" value="<?php echo $editMode 'update' 'create'?>">
                    <?php if ($editMode): ?>
                    <input type="hidden" name="id" value="<?php echo $filmToEdit['pk_Film']; ?>">
                    <?php endif; ?>
                    
                    <div class="films-form-row">
                        <div class="films-form-group films-form-group-large">
                            <label class="films-form-label" for="name">Film Title</label>
                            <input type="text" id="name" name="name" class="films-form-control" 
                                   value="<?php echo $editMode htmlspecialchars($filmToEdit['name']) : ''?>" required>
                        </div>
                        
                        <div class="films-form-group">
                            <label class="films-form-label" for="length">Duration (minutes)</label>
                            <input type="number" id="length" name="length" class="films-form-control" 
                                   value="<?php echo $editMode intval($filmToEdit['length']) : ''?>" min="1" required>
                        </div>
                    </div>
                    
                    <div class="films-form-row">
                        <div class="films-form-group">
                            <label class="films-form-label" for="releaseDate">Release Date</label>
                            <input type="date" id="releaseDate" name="releaseDate" class="films-form-control" 
                                   value="<?php echo $editMode $filmToEdit['releaseDate'] : ''?>" required>
                        </div>
                        
                        <div class="films-form-group">
                            <label class="films-form-label" for="kdmStart">KDM Start Date</label>
                            <input type="datetime-local" id="kdmStart" name="kdmStart" class="films-form-control" 
                                   value="<?php echo $editMode && !empty($filmToEdit['kdmStart']) ? date('Y-m-d\TH:i'strtotime($filmToEdit['kdmStart'])) : ''?>">
                            <div class="films-form-help">Start date for film screening period</div>
                        </div>
                        
                        <div class="films-form-group">
                            <label class="films-form-label" for="kdmEnd">KDM End Date</label>
                            <input type="datetime-local" id="kdmEnd" name="kdmEnd" class="films-form-control" 
                                   value="<?php echo $editMode && !empty($filmToEdit['kdmEnd']) ? date('Y-m-d\TH:i'strtotime($filmToEdit['kdmEnd'])) : ''?>">
                            <div class="films-form-help">End date for film screening period</div>
                        </div>
                    </div>
                    
                    <?php if (!$editMode): ?>
                    <div class="films-form-group">
                        <label class="films-form-label" for="image">Film Poster</label>
                        <div class="films-file-input-wrapper">
                            <input type="file" id="image" name="image" class="films-form-control films-file-input" accept="image/*">
                            <div class="films-file-input-display">
                                <span class="material-symbols-outlined">upload_file</span>
                                <span class="films-file-name">No file selected</span>
                            </div>
                        </div>
                        <div id="imagePreviewContainer" class="films-image-preview-container" style="display: none;">
                            <img id="imagePreview" class="films-image-preview" src="/placeholder.svg" alt="Preview">
                        </div>
                        <div class="films-form-help">Upload a poster image for the film</div>
                    </div>
                    <?php endif; ?>
                    
                    <div class="films-form-actions">
                        <?php if ($editMode): ?>
                        <a href="index.php?page=films" class="films-btn films-btn-secondary">Cancel</a>
                        <?php endif; ?>
                        <button type="submit" class="films-btn films-btn-primary">
                            <?php echo $editMode 'Update Film' 'Add Film'?>
                        </button>
                    </div>
                </form>
                
                <?php if ($editMode): ?>
                <!-- KDM Upload Section -->
                <div class="films-kdm-upload">
                    <h4>Upload KDM File</h4>
                    <p>Upload a KDM zip file to automatically extract and set the screening period dates for this film. The system will parse the XML content to find valid screening dates.</p>
                    <form method="post" action="" class="films-kdm-form" enctype="multipart/form-data">
                        <input type="hidden" name="action" value="upload_kdm">
                        <input type="hidden" name="film_id" value="<?php echo $filmToEdit['pk_Film']; ?>">
                        <div class="films-file-input-wrapper kdm-file-wrapper">
                            <input type="file" name="kdm_file" id="kdm_file" class="films-form-control films-file-input" accept=".zip" required>
                            <div class="films-file-input-display">
                                <span class="material-symbols-outlined">upload_file</span>
                                <span class="films-file-name">No file selected</span>
                            </div>
                        </div>
                        <button type="submit" class="films-btn films-btn-primary">
                            <span class="material-symbols-outlined">upload_file</span> Upload KDM
                        </button>
                    </form>
                </div>
                <?php endif; ?>
            </div>
        </div>
        
        <!-- Films Table -->
        <div class="films-card">
            <div class="films-card-header">
                <h2 class="films-card-title">All Films</h2>
                <span class="films-card-count"><?php echo count($films); ?> films</span>
            </div>
            <div class="films-table-container">
                <?php if (count($films) > 0): ?>
                <table class="films-table">
                    <thead>
                        <tr>
                            <th>Poster</th>
                            <th>Title</th>
                            <th>Duration</th>
                            <th>Release Date</th>
                            <th>Status</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        <?php foreach ($films as $film): ?>
                        <tr>
                            <td class="films-poster-cell">
                                <?php 
                                $imgSrc 
= !empty($film['imagePath']) ? htmlspecialchars($film['imagePath']) : $default_image;
                                
?>
                                <img src="<?php echo $imgSrc?>
                                     alt="<?php echo htmlspecialchars($film['name']); ?>
                                     class="films-thumbnail"
                                     onerror="this.src='<?php echo $default_image?>'">
                            </td>
                            <td>
                                <div class="films-title-cell">
                                    <span class="films-title-text"><?php echo htmlspecialchars($film['name']); ?></span>
                                    <?php if (!empty($film['kdmStart']) && !empty($film['kdmEnd'])): ?>
                                    <span class="films-synopsis-preview">
                                        KDM: <?php echo date('Y-m-d H:i'strtotime($film['kdmStart'])); ?> to <?php echo date('Y-m-d H:i'strtotime($film['kdmEnd'])); ?>
                                    </span>
                                    <?php endif; ?>
                                </div>
                            </td>
                            <td><?php echo formatDuration($film['length']); ?></td>
                            <td><?php echo date('M j, Y'strtotime($film['releaseDate'])); ?></td>
                            <td>
                                <?php if (isCurrentlyShowing($film['kdmStart'], $film['kdmEnd'])): ?>
                                <span class="films-badge films-badge-active">
                                    <span class="material-symbols-outlined">movie</span> Now Showing
                                </span>
                                <?php else: ?>
                                <span class="films-badge films-badge-inactive">
                                    <span class="material-symbols-outlined">movie_edit</span> Not Showing
                                </span>
                                <?php endif; ?>
                            </td>
                            <td class="films-actions-cell">
                                <a href="index.php?page=films&edit=<?php echo $film['pk_Film']; ?>" class="films-btn-icon films-btn-edit" title="Edit">
                                    <span class="material-symbols-outlined">edit</span>
                                </a>
                                <button type="button" class="films-btn-icon films-btn-delete" 
                                        data-film-id="<?php echo $film['pk_Film']; ?>
                                        data-film-name="<?php echo htmlspecialchars($film['name'], ENT_QUOTES); ?>
                                        title="Delete">
                                    <span class="material-symbols-outlined">delete</span>
                                </button>
                                <a href="index.php?page=moviedetail&id=<?php echo $film['pk_Film']; ?>" class="films-btn-icon films-btn-view" title="View Details" target="_blank">
                                    <span class="material-symbols-outlined">visibility</span>
                                </a>
                            </td>
                        </tr>
                        <?php endforeach; ?>
                    </tbody>
                </table>
                <?php else: ?>
                <div class="films-empty-state">
                    <div class="films-empty-icon">
                        <span class="material-symbols-outlined">movie_filter</span>
                    </div>
                    <p class="films-empty-text">No films have been added yet.</p>
                    <button class="films-btn films-btn-primary" id="emptyStateBtn">
                        <span class="material-symbols-outlined">add</span> Add First Film
                    </button>
                </div>
                <?php endif; ?>
            </div>
        </div>
    </div>
    
    <!-- Include modals -->
    <?php require_once 'film/film_modals.php'?>
    
    <!-- Include scripts -->
    <?php require_once 'film/film_scripts.php'?>
</body>
</html>