<?php 
require_once 'includes/db.php';
require_once 'includes/functions.php';

// Start Session if not already started
if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

// Auth Check
if (!isset($_SESSION['user_id'])) {
    header("Location: index.php");
    exit;
}

$error = '';
$success = '';

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $first_name = $_POST['first_name'] ?? '';
    $last_name = $_POST['last_name'] ?? '';
    $email = $_POST['email'] ?? '';
    $phone = $_POST['phone'] ?? '';
    $status = $_POST['status'] ?? 'active';
    
    // Assign to currently logged in user
    $agent_id = $_SESSION['user_id'];

    if ($first_name && $last_name && $email) {
        try {
            $stmt = $pdo->prepare("INSERT INTO clients (first_name, last_name, email, phone, status, agent_id, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, NOW(), NOW())");
            $stmt->execute([$first_name, $last_name, $email, $phone, $status, $agent_id]);
            
            // Log Activity
            $client_id = $pdo->lastInsertId();
            if (function_exists('logActivity')) {
                logActivity($_SESSION['user_id'], 'Create Client', "Added new client #$client_id ($first_name $last_name)");
            }

            header("Location: clients.php?msg=created");
            exit;
        } catch (Exception $e) {
            if (strpos($e->getMessage(), 'Duplicate entry') !== false) {
                $error = "A client with this email already exists.";
            } else {
                $error = "Error adding client: " . $e->getMessage();
            }
        }
    } else {
        $error = "First Name, Last Name, and Email are required.";
    }
}

require 'includes/header.php'; 
?>

<div class="container-fluid px-4">
    <div class="d-flex justify-content-between align-items-center mt-4 mb-4">
        <div>
            <h2 class="text-navy fw-bold">Add New Client</h2>
            <nav aria-label="breadcrumb">
                <ol class="breadcrumb">
                    <li class="breadcrumb-item"><a href="clients.php" class="text-decoration-none">Clients</a></li>
                    <li class="breadcrumb-item active">Add New</li>
                </ol>
            </nav>
        </div>
        <a href="clients.php" class="btn btn-outline-secondary">
            <i class="fa-solid fa-arrow-left me-2"></i>Cancel
        </a>
    </div>

    <?php if ($error): ?>
        <div class="alert alert-danger alert-dismissible fade show" role="alert">
            <i class="fa-solid fa-exclamation-circle me-2"></i><?= $error ?>
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    <?php endif; ?>

    <div class="row justify-content-center">
        <div class="col-md-8">
            <div class="card border-0 shadow-sm">
                <div class="card-body p-4">
                    <form method="POST">
                        <div class="row mb-3">
                            <div class="col-md-6">
                                <label class="form-label fw-bold">First Name <span class="text-danger">*</span></label>
                                <div class="input-group">
                                    <span class="input-group-text bg-light"><i class="fa-solid fa-user"></i></span>
                                    <input type="text" name="first_name" class="form-control" placeholder="John" required>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <label class="form-label fw-bold">Last Name <span class="text-danger">*</span></label>
                                <input type="text" name="last_name" class="form-control" placeholder="Doe" required>
                            </div>
                        </div>
                        
                        <div class="row mb-3">
                            <div class="col-md-6">
                                <label class="form-label fw-bold">Email Address <span class="text-danger">*</span></label>
                                <div class="input-group">
                                    <span class="input-group-text bg-light"><i class="fa-solid fa-envelope"></i></span>
                                    <input type="email" name="email" class="form-control" placeholder="john.doe@example.com" required>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <label class="form-label fw-bold">Phone Number</label>
                                <div class="input-group">
                                    <span class="input-group-text bg-light"><i class="fa-solid fa-phone"></i></span>
                                    <input type="text" name="phone" class="form-control" placeholder="+234..." required>
                                </div>
                            </div>
                        </div>

                        <div class="mb-4">
                            <label class="form-label fw-bold">Status</label>
                            <select name="status" class="form-select">
                                <option value="active">Active</option>
                                <option value="lead">Lead</option>
                                <option value="prospect">Prospect</option>
                                <option value="inactive">Inactive</option>
                            </select>
                            <div class="form-text">Set the initial status for this client.</div>
                        </div>

                        <div class="d-grid">
                            <button type="submit" class="btn btn-primary py-2 fw-bold">
                                <i class="fa-solid fa-save me-2"></i>Save Client
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<?php require 'includes/footer.php'; ?>