<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Session;
use App\Models\User;

class AuthController extends Controller
{
    /**
     * Show the login form.
     */
    public function showLogin()
    {
        if (Auth::check()) {
            return redirect()->route('dashboard');
        }

        return view('auth.login');
    }

    /**
     * Handle login attempt with tenant and locale setup.
     */
    public function login(Request $request)
    {
        $credentials = $request->validate([
            'email' => 'required|email',
            'password' => 'required|string',
        ]);

        $remember = $request->boolean('remember');

        if (Auth::attempt($credentials, $remember)) {
            $request->session()->regenerate();

            $user = Auth::user();

            // Set tenant context
            if ($user->tenant_id) {
                session(['tenant_id' => $user->tenant_id]);
                $user->load('tenant');

                // Set tenant defaults
                if ($user->tenant) {
                    session([
                        'locale' => $user->locale ?? $user->tenant->default_locale ?? config('Vernova.defaults.locale', 'fa'),
                        'calendar' => $user->preferred_calendar ?? $user->tenant->default_calendar ?? config('Vernova.defaults.calendar', 'jalali'),
                        'currency' => $user->tenant->baseCurrency?->code ?? config('Vernova.defaults.currency', 'IRR'),
                    ]);
                }
            }

            // Set application locale
            $locale = session('locale', $user->locale ?? config('Vernova.defaults.locale', 'fa'));
            app()->setLocale($locale);
            session(['locale' => $locale]);

            return redirect()->intended(route('dashboard'))
                ->with('success', __('auth.login_success'));
        }

        return back()->withErrors([
            'email' => __('auth.failed'),
        ])->onlyInput('email');
    }

    /**
     * Log the user out.
     */
    public function logout(Request $request)
    {
        Auth::logout();

        $request->session()->invalidate();
        $request->session()->regenerateToken();

        return redirect()->route('login')
            ->with('success', __('auth.logout_success'));
    }
}