404 - User Not Found

<?php

namespace App\Modules\User;

use App\Core\Controller as BaseController;

/**
 * User Controller
 * Handles user management
 */
class Controller extends BaseController
{
    private Model $model;

    public function __construct()
    {
        parent::__construct();
        $this->model = new Model();
    }

    /**
     * List all users
     */
    public function index()
    {
        $users = $this->model->all();

        if ($this->request()->expectsJson()) {
            return $this->json($users);
        }

        return $this->view('User.view.index', [
            'title' => 'Users - NovaCore Framework',
            'users' => $users
        ]);
    }

    /**
     * Show user details
     */
    public function show(int $id)
    {
        $user = $this->model->findById($id);

        if (!$user) {
            if ($this->request()->expectsJson()) {
                return $this->error('User not found', 404);
            }

            http_response_code(404);
            echo "<h1>404 - User Not Found</h1>";
            return;
        }

        if ($this->request()->expectsJson()) {
            return $this->json($user);
        }

        return $this->view('User.view.show', [
            'title' => 'User Details - NovaCore Framework',
            'user' => $user
        ]);
    }

    /**
     * Show create user form
     */
    public function create()
    {
        return $this->view('User.view.create', [
            'title' => 'Create User - NovaCore Framework'
        ]);
    }

    /**
     * Store new user
     */
    public function store()
    {
        $data = $this->request()->all();

        // Validation
        $errors = $this->validate($data, [
            'name' => 'required|min:2',
            'email' => 'required|email',
            'password' => 'required|min:6'
        ]);

        // Check if email exists
        if (empty($errors) && $this->model->emailExists($data['email'])) {
            $errors['email'] = 'Email already exists.';
        }

        if (!empty($errors)) {
            if ($this->request()->expectsJson()) {
                return $this->error('Validation failed', 422);
            }

            return $this->view('User.view.create', [
                'title' => 'Create User - NovaCore Framework',
                'errors' => $errors,
                'old' => $data
            ]);
        }

        // Create user
        $userId = $this->model->create($data);

        if ($this->request()->expectsJson()) {
            return $this->success(['id' => $userId], 'User created successfully');
        }

        return $this->redirect('/users');
    }

    /**
     * Show edit user form
     */
    public function edit(int $id)
    {
        $user = $this->model->findById($id);

        if (!$user) {
            http_response_code(404);
            echo "<h1>404 - User Not Found</h1>";
            return;
        }

        return $this->view('User.view.edit', [
            'title' => 'Edit User - NovaCore Framework',
            'user' => $user
        ]);
    }

    /**
     * Update user
     */
    public function update(int $id)
    {
        $user = $this->model->findById($id);

        if (!$user) {
            if ($this->request()->expectsJson()) {
                return $this->error('User not found', 404);
            }

            http_response_code(404);
            echo "<h1>404 - User Not Found</h1>";
            return;
        }

        $data = $this->request()->all();

        // Validation
        $errors = $this->validate($data, [
            'name' => 'required|min:2',
            'email' => 'required|email'
        ]);

        // Check if email exists (excluding current user)
        if (empty($errors) && $this->model->emailExists($data['email'], $id)) {
            $errors['email'] = 'Email already exists.';
        }

        if (!empty($errors)) {
            if ($this->request()->expectsJson()) {
                return $this->error('Validation failed', 422);
            }

            return $this->view('User.view.edit', [
                'title' => 'Edit User - NovaCore Framework',
                'user' => array_merge($user, $data),
                'errors' => $errors
            ]);
        }

        // Remove password if empty
        if (empty($data['password'])) {
            unset($data['password']);
        } else {
            $data['password'] = password_hash($data['password'], PASSWORD_ARGON2ID);
        }

        // Update user
        $this->model->update($id, $data);

        if ($this->request()->expectsJson()) {
            return $this->success([], 'User updated successfully');
        }

        return $this->redirect('/users');
    }

    /**
     * Delete user
     */
    public function destroy(int $id)
    {
        $user = $this->model->findById($id);

        if (!$user) {
            if ($this->request()->expectsJson()) {
                return $this->error('User not found', 404);
            }

            http_response_code(404);
            echo "<h1>404 - User Not Found</h1>";
            return;
        }

        $this->model->delete($id);

        if ($this->request()->expectsJson()) {
            return $this->success([], 'User deleted successfully');
        }

        return $this->redirect('/users');
    }
}