<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Models\User;
use App\Models\Tenant;
use App\Models\Package;
use App\Models\TenantPackage;
use App\Models\PackagePurchase;
use Illuminate\Auth\Events\Registered;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Illuminate\Validation\Rules;
use Illuminate\Support\Str;

class MarketingRegisterController extends Controller
{
    /**
     * Show the registration page.
     */
    public function create(Request $request, $package_id = null): \Illuminate\View\View
    {
        $package = $package_id ? Package::find($package_id) : null;

        return view('marketing.register', [
            'package' => $package,
        ]);
    }

    /**
     * Handle an incoming registration request.
     *
     * @throws \Illuminate\Validation\ValidationException
     */
    public function store(Request $request): RedirectResponse
    {
        $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'username' => ['required', 'string', 'max:255', 'unique:'.User::class],
            'email' => ['required', 'string', 'lowercase', 'email', 'max:255', 'unique:'.User::class],
            'password' => ['required', 'confirmed', Rules\Password::defaults()],
            'first_name' => ['required', 'string', 'max:255'],
            'last_name' => ['required', 'string', 'max:255'],
            'address' => ['required', 'string', 'max:500'],
            'phone' => ['required', 'string', 'max:20'],
            'privacy_consent' => ['accepted'],
            'package_id' => ['nullable', 'exists:packages,id'],
        ]);

        $user = User::create([
            'name' => $request->name,
            'username' => $request->username,
            'email' => $request->email,
            'first_name' => $request->first_name,
            'last_name' => $request->last_name,
            'address' => $request->address,
            'phone' => $request->phone,
            'password' => Hash::make($request->password),
        ]);

        $tenant = Tenant::create([
            'user_id' => $user->id,
            'name' => $request->name,
            'slug' => Str::slug($request->name . '-' . now()->timestamp),
            'email' => $request->email,
            'is_active' => true,
            'is_suspended' => false,
            'event_credits_balance' => 0,
            'subscription_tier' => 'free',
            'subscription_expires_at' => null,
            'settings' => json_encode([
                'branding' => [
                    'logo_url' => null,
                    'primary_color' => '#3B82F6',
                    'secondary_color' => '#1F2937',
                    'font_family' => 'Inter, sans-serif',
                ],
                'features' => [
                    'photo_likes_enabled' => false,
                    'event_checklist' => false,
                    'custom_domain' => false,
                    'advanced_analytics' => false,
                ],
                'custom_domain' => null,
                'contact_email' => $request->email,
                'event_default_type' => 'general',
            ]),
        ]);

        event(new Registered($user));

        Auth::login($user);

        // Send Welcome Email
        \Illuminate\Support\Facades\Mail::to($user)->send(new \App\Mail\Welcome($user));

        if ($request->filled('package_id')) {
            $package = Package::find($request->package_id);
            if (!$package) {
                // Fallback for invalid package_id
            } else if ($package->price == 0) {
                // Assign free package
                TenantPackage::create([
                    'tenant_id' => $tenant->id,
                    'package_id' => $package->id,
                    'active' => true,
                    'price' => 0,
                ]);
    
                PackagePurchase::create([
                    'tenant_id' => $tenant->id,
                    'package_id' => $package->id,
                    'type' => $package->type === 'endcustomer' ? 'endcustomer_event' : 'reseller_subscription',
                    'price' => 0,
                    'purchased_at' => now(),
                    'provider_id' => 'free',
                ]);
    
                $tenant->update(['subscription_status' => 'active']);
            } else {
                // Redirect to buy for paid package
                return redirect()->route('buy.packages', $package->id);
            }
        }

        return $user->hasVerifiedEmail()
            ? redirect()->intended(route('dashboard'))
            : redirect()->route('verification.notice');
    }
}