<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Validator;

class ProfileController extends Controller
{
    public function show()
    {
        $user = auth()->user();

        // Calculate total active points
        $totalPoints = $user->loyaltyPoints()
            ->where(function ($q) {
                $q->where('expires_at', '>', date('Y-m-d'))
                    ->orWhereNull('expires_at');
            })
            ->sum('remaining_points');

        $userData = $user->toArray();
        $userData['total_points'] = (int) $totalPoints;

        return response()->json($userData);
    }

    public function update(Request $request)
    {
        $user = auth()->user();

        $validator = Validator::make($request->all(), [
            'name' => 'sometimes|required|string|max:255',
            'email' => 'sometimes|required|email|unique:users,email,' . $user->id,
            'phone' => 'sometimes|required|string|unique:users,phone,' . $user->id,
            'birth_date' => 'nullable|date',
            'address' => 'nullable|string',
            'city_id' => 'nullable|exists:cities,id',
        ]);

        if ($validator->fails()) {
            return response()->json(['errors' => $validator->errors()], 422);
        }

        $user->update($request->only([
            'name',
            'email',
            'phone',
            'birth_date',
            'address',
            'city_id',
        ]));

        return response()->json([
            'message' => 'Profile updated successfully',
            'user' => $user,
        ]);
    }

    public function changePassword(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'current_password' => 'required|string',
            'new_password' => 'required|string|min:6|confirmed',
        ]);

        if ($validator->fails()) {
            return response()->json(['errors' => $validator->errors()], 422);
        }

        $user = auth()->user();

        if (!Hash::check($request->current_password, $user->password)) {
            return response()->json([
                'error' => 'Current password is incorrect'
            ], 400);
        }

        $user->update([
            'password' => Hash::make($request->new_password),
        ]);

        return response()->json([
            'message' => 'Password changed successfully',
        ]);
    }
}