<?php

namespace App\Http\Controllers\Care;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Care\Concerns\ScopesToAccount;
use App\Services\Billing\BillingClient;
use App\Services\Care\CarePermissions;
use App\Services\Care\PlanService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\View\View;

class ProController extends Controller
{
    use ScopesToAccount;

    public function index(Request $request, PlanService $plans): View
    {
        $organization = $this->organization($request);
        $canManage = app(CarePermissions::class)->can($this->member($request), 'settings.manage');
        $settings = $organization->settings ?? [];
        $expiresAt = ! empty($settings['plan_expires_at'])
            ? Carbon::parse($settings['plan_expires_at'])
            : null;

        return view('care.pro.index', [
            'organization' => $organization,
            'isPro' => $plans->isPro($organization),
            'canManage' => $canManage,
            'priceMinor' => $plans->proPriceMinor(),
            'currency' => (string) config('billing.currency', 'GHS'),
            'planExpiresAt' => $expiresAt,
            'proFeatures' => [
                'Unlimited branches',
                'Full clinical workflows',
                'Laboratory & pharmacy modules',
                'Finance reports & audit exports',
                'Queue integration',
            ],
        ]);
    }

    public function subscribe(Request $request, PlanService $plans, BillingClient $billing): RedirectResponse
    {
        $this->authorizeAbility($request, 'settings.manage');
        $organization = $this->organization($request);

        if ($plans->isPro($organization)) {
            return redirect()->route('care.pro.index')
                ->with('success', 'Your organization is already on Care Pro.');
        }

        $priceMinor = $plans->proPriceMinor();

        try {
            if (! $billing->canAfford($organization->owner_ref, $priceMinor)) {
                return redirect()->route('care.pro.index')
                    ->with('error', 'Insufficient wallet balance. Top up your Ladill wallet to upgrade to Pro.');
            }

            $charged = $billing->debit(
                $organization->owner_ref,
                $priceMinor,
                'care_pro',
                'care-pro-'.$organization->id.'-'.now()->format('Y-m-d-His'),
                'Ladill Care Pro — monthly subscription',
            );
        } catch (\Throwable) {
            return redirect()->route('care.pro.index')
                ->with('error', 'Could not process upgrade. Please try again.');
        }

        if (! $charged) {
            return redirect()->route('care.pro.index')
                ->with('error', 'Insufficient wallet balance. Top up your Ladill wallet to upgrade to Pro.');
        }

        $settings = $organization->settings ?? [];
        $settings['plan'] = 'pro';
        $settings['auto_renew'] = true;
        $settings['plan_expires_at'] = now()
            ->addDays((int) config('care.pro.period_days', 30))
            ->toIso8601String();
        unset($settings['plan_renewal_error']);
        $organization->update(['settings' => $settings]);

        return redirect()->route('care.pro.index')
            ->with('success', 'Welcome to Care Pro — active for one month.');
    }
}