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// admin/testimonial_edit.php
require_once '../includes/db.php';
require_once '../includes/functions.php';

$id = null;
$client_name = '';
$rating = 5;
$comment = '';
$designation = '';
$error = '';
$success = '';
$is_edit = false;

// Check if we are editing an existing testimonial
if (isset($_GET['id'])) {
    $id = filter_var($_GET['id'], FILTER_VALIDATE_INT);
    if ($id !== false) {
        try {
            $stmt = $pdo->prepare("SELECT * FROM testimonials WHERE id = ?");
            $stmt->execute([$id]);
            $testimonial = $stmt->fetch();
            
            if ($testimonial) {
                $client_name = $testimonial['client_name'];
                $rating = $testimonial['rating'];
                $comment = $testimonial['comment'];
                $designation = $testimonial['designation'];
                $is_edit = true;
            } else {
                $error = 'Testimonial not found.';
            }
        } catch (PDOException $e) {
            $error = 'Database lookup failed: ' . $e->getMessage();
        }
    } else {
        $error = 'Invalid testimonial ID.';
    }
}

// Handle Form Submission
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $client_name = trim($_POST['client_name'] ?? '');
    $rating = filter_var($_POST['rating'] ?? 5, FILTER_VALIDATE_INT);
    $comment = trim($_POST['comment'] ?? '');
    $designation = trim($_POST['designation'] ?? '');
    
    // Check fields
    if (empty($client_name) || empty($comment) || $rating === false || $rating < 1 || $rating > 5) {
        $error = 'Please fill out all required fields and provide a rating between 1 and 5.';
    } else {
        try {
            if ($is_edit) {
                // Update
                $sql = "UPDATE testimonials SET 
                            client_name = :client_name,
                            rating = :rating,
                            comment = :comment,
                            designation = :designation
                        WHERE id = :id";
                $stmt = $pdo->prepare($sql);
                $stmt->execute([
                    ':client_name' => $client_name,
                    ':rating' => $rating,
                    ':comment' => $comment,
                    ':designation' => $designation,
                    ':id' => $id
                ]);
                $success = 'Testimonial updated successfully!';
            } else {
                // Insert
                $sql = "INSERT INTO testimonials (client_name, rating, comment, designation) 
                        VALUES (:client_name, :rating, :comment, :designation)";
                $stmt = $pdo->prepare($sql);
                $stmt->execute([
                    ':client_name' => $client_name,
                    ':rating' => $rating,
                    ':comment' => $comment,
                    ':designation' => $designation
                ]);
                $success = 'Testimonial added successfully!';
                
                // Clear fields on success for new entry
                $client_name = '';
                $rating = 5;
                $comment = '';
                $designation = '';
            }
        } catch (PDOException $e) {
            $error = 'Failed to save testimonial: ' . $e->getMessage();
        }
    }
}

include '../includes/admin_header.php';
?>

<div class="row align-items-center mb-4">
    <div class="col-sm-6">
        <h4 class="mb-0 text-dark">
            <i class="fas fa-quote-left me-2 text-royal"></i>
            <?php echo $is_edit ? 'Edit Testimonial' : 'Add Testimonial'; ?>
        </h4>
    </div>
    <div class="col-sm-6 text-sm-end mt-3 mt-sm-0">
        <a href="testimonials.php" class="btn btn-outline-secondary">
            <i class="fas fa-arrow-left me-1"></i> Back to Testimonials
        </a>
    </div>
</div>

<?php if (!empty($success)): ?>
    <div class="alert alert-success border-0 shadow-sm mb-4">
        <i class="fas fa-check-circle me-2"></i><?php echo $success; ?>
        <?php if (!$is_edit): ?>
            <a href="testimonials.php" class="alert-link ms-2">View in List →</a>
        <?php endif; ?>
    </div>
<?php endif; ?>

<?php if (!empty($error)): ?>
    <div class="alert alert-danger border-0 shadow-sm mb-4"><i class="fas fa-times-circle me-2"></i><?php echo $error; ?></div>
<?php endif; ?>

<div class="row">
    <div class="col-lg-8">
        <div class="card premium-card">
            <div class="card-header-royal">
                <h5 class="mb-0">
                    <i class="fas <?php echo $is_edit ? 'fa-edit' : 'fa-plus-circle'; ?> me-2"></i>
                    Testimonial Information
                </h5>
                <small class="text-white-50">Specify the customer feedback details. Ratings are displayed as star values.</small>
            </div>
            <div class="card-body p-4 p-md-5">
                <form method="POST">
                    <div class="mb-4">
                        <label for="client_name" class="form-label">Client Name *</label>
                        <div class="input-group">
                            <span class="input-group-text"><i class="fas fa-user text-muted"></i></span>
                            <input type="text" class="form-control" id="client_name" name="client_name" required value="<?php echo htmlspecialchars($client_name); ?>" placeholder="e.g. John Doe">
                        </div>
                    </div>

                    <div class="mb-4">
                        <label for="designation" class="form-label">Client Designation / Role</label>
                        <div class="input-group">
                            <span class="input-group-text"><i class="fas fa-id-badge text-muted"></i></span>
                            <input type="text" class="form-control" id="designation" name="designation" value="<?php echo htmlspecialchars($designation); ?>" placeholder="e.g. Homeowner, Architect, Interior Designer">
                        </div>
                        <div class="form-text small text-muted">This will appear under the client name (default is "Homeowner" if empty).</div>
                    </div>

                    <div class="mb-4">
                        <label for="rating" class="form-label">Rating *</label>
                        <div class="input-group">
                            <span class="input-group-text"><i class="fas fa-star text-muted"></i></span>
                            <select class="form-select" id="rating" name="rating" required>
                                <option value="5" <?php echo $rating == 5 ? 'selected' : ''; ?>>5 Stars (Excellent)</option>
                                <option value="4" <?php echo $rating == 4 ? 'selected' : ''; ?>>4 Stars (Very Good)</option>
                                <option value="3" <?php echo $rating == 3 ? 'selected' : ''; ?>>3 Stars (Average)</option>
                                <option value="2" <?php echo $rating == 2 ? 'selected' : ''; ?>>2 Stars (Below Average)</option>
                                <option value="1" <?php echo $rating == 1 ? 'selected' : ''; ?>>1 Star (Poor)</option>
                            </select>
                        </div>
                    </div>

                    <div class="mb-4">
                        <label for="comment" class="form-label">Client Comment *</label>
                        <textarea class="form-control" id="comment" name="comment" rows="6" required placeholder="Write the testimonial comment details here..."><?php echo htmlspecialchars($comment); ?></textarea>
                    </div>

                    <div class="d-grid mt-4">
                        <button type="submit" class="btn btn-royal py-3 fw-bold text-uppercase">
                            <i class="fas fa-save me-2"></i>
                            <?php echo $is_edit ? 'Update Testimonial' : 'Save Testimonial'; ?>
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
    
    <!-- Guidelines Help Panel -->
    <div class="col-lg-4">
        <div class="card premium-card bg-light border-0 shadow-sm">
            <div class="card-body p-4">
                <h6 class="text-royal fw-bold mb-3"><i class="fas fa-info-circle me-2"></i>Writing Guidelines</h6>
                <ul class="small text-muted ps-3 mb-0">
                    <li class="mb-2">Keep comments concise (ideally between 150 to 300 characters) so they look neat in the homepage slider.</li>
                    <li class="mb-2">Ensure client names are formatted with correct casing.</li>
                    <li class="mb-2">Ratings directly affect the number of filled stars displayed alongside their name.</li>
                    <li>Designations help establish credibility (e.g., adding "Interior Designer" or "Hotel Owner" showcases commercial client reach).</li>
                </ul>
            </div>
        </div>
    </div>
</div>

<?php include '../includes/admin_footer.php'; ?>