<?php

namespace App\Http\Controllers\Hosting;

use App\Http\Controllers\Controller;
use App\Models\HostingSetting;
use App\Services\Billing\BillingClient;
use App\Services\Payment\WalletPaymentService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

/**
 * Account — Wallet, Billing, Settings for Ladill Hosting.
 * Money is read from the one platform UserWallet via the Billing API.
 */
class AccountController extends Controller
{
    public function __construct(
        private WalletPaymentService $wallet,
        private BillingClient $billing,
    ) {}

    private function topupUrl(): string
    {
        return 'https://'.config('app.account_domain').'/wallet';
    }

    public function wallet(): View
    {
        $account = ladill_account();
        [$balanceMinor, $ledger] = $this->billingSnapshot($account?->public_id);

        return view('hosting.account.wallet', [
            'balanceMinor' => $balanceMinor,
            'spentMinor' => (int) ($ledger['spent_minor'] ?? 0),
            'creditedMinor' => (int) ($ledger['credited_minor'] ?? 0),
            'topupUrl' => $this->topupUrl(),
        ]);
    }

    public function billing(): View
    {
        $account = ladill_account();
        [$balanceMinor, $ledger] = $this->billingSnapshot($account?->public_id);

        return view('hosting.account.billing', [
            'balanceMinor' => $balanceMinor,
            'spentMinor' => (int) ($ledger['spent_minor'] ?? 0),
            'creditedMinor' => (int) ($ledger['credited_minor'] ?? 0),
            'topupUrl' => $this->topupUrl(),
        ]);
    }

    public function settings(): View
    {
        $account = ladill_account();
        $settings = HostingSetting::firstOrNew(['user_id' => $account?->id]);

        return view('hosting.account.settings', [
            'account' => $account,
            'settings' => $settings,
        ]);
    }

    public function updateSettings(Request $request): RedirectResponse
    {
        $account = ladill_account();

        $data = $request->validate([
            'notify_email' => ['nullable', 'email', 'max:255'],
            'product_updates' => ['nullable', 'boolean'],
        ]);

        HostingSetting::updateOrCreate(
            ['user_id' => $account->id],
            [
                'notify_email' => $data['notify_email'] ?? null,
                'product_updates' => $request->boolean('product_updates'),
            ],
        );

        return redirect()->route('account.settings')->with('success', 'Settings saved.');
    }

    /**
     * @return array{0:int,1:array<string,mixed>} [balanceMinor, ledger]
     */
    private function billingSnapshot(?string $publicId): array
    {
        if (! $publicId) {
            return [0, []];
        }

        try {
            return [
                $this->wallet->balanceMinor(ladill_account()),
                $this->billing->serviceLedger($publicId, (string) config('billing.service', 'hosting')),
            ];
        } catch (\Throwable $e) {
            report($e);

            return [0, []];
        }
    }
}