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Filename : UserController.php
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<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Storage;

class UserController extends Controller
{
    public function index(Request $request)
    {
        // Define the pagination limit
        $limit = 15;

        // Start with a query builder instance for the User model
        $users = User::query();

        // Handle the search functionality
        if ($request->filled('keyword')) {
            $keyword = $request->keyword;
            $users->where(function ($query) use ($keyword) {
                $query->where('name', 'LIKE', '%' . $keyword . '%')
                    ->orWhere('email', 'LIKE', '%' . $keyword . '%')
                    ->orWhere('phone', 'LIKE', '%' . $keyword . '%');
            });
        }

        // Exclude user with ID 0 (your original code logic)
        $users->where('id', '<>', 0);

        // Paginate the results and sort them
        $users = $users->orderBy('id', 'desc')->paginate($limit);

        // This is a simple helper function to highlight search keywords,
        // which you can either add to a helper file or a trait.
        $highlightWords = function ($text, $word) {
            return preg_replace('#' . preg_quote($word, '#') . '#i', '<span style="background-color: #F9F902;">\\0</span>', $text);
        };

        // Return the view with the users and keyword for highlighting
        return view('pages.user.index', [
            'users' => $users,
            'keyword' => $request->keyword,
            'highlightWords' => $highlightWords
        ]);
    }

    public function create()
    {
        $page_title = 'Add User';
        return view('pages.user.form', compact('page_title'));
    }

    /**
     * Store a newly created user in the database.
     */
    public function store(Request $request)
    {
        // 1. Validation
        $request->validate([
            'name'       => 'required|string|max:255',
            'email'      => 'required|email|unique:users,email',
            'password'   => 'required|string|min:6',
            'phone'      => 'nullable|string|max:20',
            'user_image' => 'nullable|image|mimes:jpeg,png,jpg,gif|max:2048',
        ]);

        // 2. Prepare data
        $data = $request->only('name', 'email', 'phone');
        $data['user_type'] = 'Normal';
        $data['password']  = Hash::make($request->password);

        // 3. Handle file upload
        if ($request->hasFile('user_image')) {
            $imageName = time() . '_' . $request->file('user_image')->getClientOriginalName();
            $request->file('user_image')->storeAs('images', $imageName, 'public');
            $data['user_image'] = $imageName;
        }

        // 4. Create user
        User::create($data);

        return redirect()->route('users.index')->with('success', 'User added successfully.');
    }


    /**
     * Show the form for editing the specified user.
     */
    public function edit(User $user)
    {
        $page_title = 'Edit User';
        return view('pages.user.form', compact('user', 'page_title'));
    }

    /**
     * Update the specified user in the database.
     */
    public function update(Request $request, User $user)
    {
        // 1. Validation
        $rules = [
            'name' => 'required|string|max:255',
            'phone' => 'nullable|string|max:20',
            'user_image' => 'nullable|image|mimes:jpeg,png,jpg,gif|max:2048',
        ];

        // Add unique email validation if the user type is 'Normal'
        if ($user->user_type === 'Normal' || empty($user->user_type)) {
            $rules['email'] = 'required|email|unique:users,email,' . $user->id;
            $rules['password'] = 'nullable|string|min:6';
        }

        $request->validate($rules);

        // 2. Prepare data
        $data = $request->only('name', 'email', 'phone');

        // Only update the email if the user type is 'Normal'
        if ($user->user_type !== 'Normal' && $user->user_type !== null) {
            unset($data['email']);
        }

        if ($request->filled('password')) {
            $data['password'] = Hash::make($request->password);
        }

        // 3. Handle file upload
        if ($request->hasFile('user_image')) {
            // Delete old image if it exists
            if ($user->user_image) {
                Storage::disk('public')->delete('images/' . $user->user_image);
            }
            $imageName = time() . '_' . $request->file('user_image')->getClientOriginalName();
            $request->file('user_image')->storeAs('images', $imageName, 'public');
            $data['user_image'] = $imageName;
        }

        // 4. Update the user
        $user->update($data);

        return redirect()->route('users.index')->with('success', 'User updated successfully.');
    }

    public function destroy(User $user)
    {
        if ($user->user_image) {
            Storage::disk('public')->delete('images/' . $user->user_image);
        }

        $user->delete();

        return redirect()->route('users.index')->with('success', 'User updated successfully.');
    }
}