<?php

namespace App\Http\Middleware;

use App\Models\Auth\DingTalkIdentity;
use App\Services\Auth\DingTalkClosedAccess;
use App\Services\Auth\FinanceRoster;
use App\Services\Auth\SupplierPortalAccess;
use Closure;
use Throwable;

class LogoutIfDingTalkBindingRevoked
{
    public function handle($request, Closure $next)
    {
        $identityId = $request->session()->get('dingtalk_identity_id');
        $user = $request->user();
        if (! $identityId) {
            if (! $user || ! in_array($user->created_from, [
                'dingtalk_roster',
                'dingtalk_roster_limited',
                SupplierPortalAccess::CREATED_FROM,
            ], true)) {
                return $next($request);
            }
            // A password reset must not bypass HR eligibility for provisioned
            // accounts. Apply the same boundary after every sign-in method.
            $identityId = $user->dingtalkIdentity?->id;
            $request->session()->put('dingtalk_identity_id', $identityId);
            $request->session()->forget('dingtalk_roster_checked_at');
        }

        $identity = $user ? DingTalkIdentity::query()->whereKey($identityId)->where('user_id', $user->id)->first() : null;
        if ($user && $user->enabled && $identity) {
            $checkedAt = (int) $request->session()->get('dingtalk_roster_checked_at', 0);
            if ($checkedAt > now()->timestamp - 300) {
                return $next($request);
            }
            try {
                $eligible = SupplierPortalAccess::isSupplierUser($user)
                    ? app(SupplierPortalAccess::class)->revalidate($user) !== null
                    : app(FinanceRoster::class)->findEligible((string) $identity->dingtalk_user_id);
            } catch (Throwable) {
                // Retain the session during an HR outage, but do not serve data
                // using an expired authorization decision.
                return response(trans('auth.dingtalk.roster_unavailable'), 503)
                    ->header('Cache-Control', 'no-store');
            }
            if ($eligible) {
                $request->session()->put('dingtalk_roster_checked_at', now()->timestamp);
                return $next($request);
            }
        }

        app(DingTalkClosedAccess::class)->audit('session_revoked', 'denied', $user?->id, null, $identity?->union_id, $request, [
            'reason' => ! $user?->enabled
                ? 'local_account_ineligible'
                : (! $identity
                    ? 'binding_revoked'
                    : (SupplierPortalAccess::isSupplierUser($user) ? 'outside_supplier_roster' : 'outside_finance_roster')),
        ]);
        auth()->logout();
        $request->session()->invalidate();
        $request->session()->regenerateToken();

        if ($request->expectsJson()) {
            return response()->json(['message' => trans('auth.dingtalk.session_expired')], 401)
                ->header('Cache-Control', 'no-store');
        }

        return redirect()->route('login')
            ->with('dingtalk_error', trans('auth.dingtalk.session_expired'));
    }
}