<?php

namespace App\Http\Controllers\Employer;

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

class PaymentController extends Controller
{
    private function resolveCurrentUser(): ?User
    {
        // Prefer Laravel's built-in auth (most reliable)
        if (auth()->check()) {
            return auth()->user();
        }

        // Fallback: session-based user (registration auto-login flow)
        $sess = session('user');
        $sessId = is_array($sess) ? ($sess['id'] ?? null) : ($sess->id ?? null);

        return $sessId ? User::find($sessId) : null;
    }

    public function index(Request $request)
    {
        $user = $this->resolveCurrentUser();

        if (!$user) {
            return redirect()->route('employer.login');
        }

        // Payments are stored in the subscriptions table during registration
        $subscriptions = DB::table('subscriptions')
            ->where('user_id', $user->id)
            ->latest('id')
            ->get();

        $payments = $subscriptions->map(function ($sub) {
            $planLabel = ucfirst($sub->plan_id) . ' Sponsor Pass Subscription';
            $date      = \Carbon\Carbon::parse($sub->starts_at ?? $sub->created_at);

            return [
                'id'          => $sub->id,
                'amount'      => (float) $sub->amount_aed,
                'currency'    => 'AED',
                'description' => $planLabel,
                'status'      => $sub->status === 'active' ? 'success' : $sub->status,
                'date'        => $date->format('M d, Y'),
                'time'        => $date->format('h:i A'),
                'invoice_no'  => 'INV-' . str_pad($sub->id, 6, '0', STR_PAD_LEFT),
                'transaction_id' => $sub->paytabs_transaction_id,
                'expires_at'  => $sub->expires_at ? \Carbon\Carbon::parse($sub->expires_at)->format('M d, Y') : null,
            ];
        })->toArray();

        // Latest active subscription for the summary cards
        $activeSub   = $subscriptions->where('status', 'active')->first();
        $expiresAt   = $activeSub && $activeSub->expires_at
                        ? \Carbon\Carbon::parse($activeSub->expires_at)->format('M d, Y')
                        : null;
        $currentPlan = $activeSub
                        ? ucfirst($activeSub->plan_id) . ' Sponsor Pass'
                        : null;
        $subStatus   = ucfirst($user->subscription_status ?? 'none');

        return Inertia::render('Employer/PaymentHistory', [
            'payments'           => $payments,
            'currentPlan'        => $currentPlan,
            'expiresAt'          => $expiresAt,
            'subscriptionStatus' => $subStatus,
        ]);
    }
}