<?php

namespace App\Http\Controllers\Qms;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Qms\Concerns\ScopesToAccount;
use App\Models\Branch;
use App\Models\Device;
use App\Models\ServiceQueue;
use App\Services\Qms\AuditLogger;
use App\Services\Qms\DeviceService;
use App\Services\Qms\OrganizationResolver;
use App\Services\Qms\QmsPermissions;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class DeviceController extends Controller
{
    use ScopesToAccount;

    public function __construct(
        protected DeviceService $devices,
    ) {}

    public function index(Request $request): View
    {
        $this->authorizeAbility($request, 'displays.view');
        $owner = $this->ownerRef($request);
        $organization = $this->organization($request);

        $member = app(OrganizationResolver::class)->memberFor($request->user());
        $permissions = app(QmsPermissions::class);

        $devices = Device::owned($owner)
            ->where('organization_id', $organization->id)
            ->with('branch')
            ->orderBy('name')
            ->paginate(20);

        return view('qms.devices.index', [
            'devices' => $devices,
            'organization' => $organization,
            'deviceTypes' => config('qms.device_types'),
            'canManage' => $permissions->can($member, 'displays.manage'),
        ]);
    }

    public function create(Request $request): View
    {
        $this->authorizeAbility($request, 'displays.manage');
        $owner = $this->ownerRef($request);
        $organization = $this->organization($request);
        $branches = Branch::owned($owner)->where('organization_id', $organization->id)->orderBy('name')->get();

        return view('qms.devices.create', [
            'organization' => $organization,
            'branches' => $branches,
            'queues' => ServiceQueue::owned($owner)->where('organization_id', $organization->id)->orderBy('name')->get(),
            'deviceTypes' => config('qms.device_types'),
        ]);
    }

    public function store(Request $request): RedirectResponse
    {
        $this->authorizeAbility($request, 'displays.manage');
        $owner = $this->ownerRef($request);
        $organization = $this->organization($request);

        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'type' => ['required', 'string', 'in:'.implode(',', array_keys(config('qms.device_types')))],
            'branch_id' => ['nullable', 'exists:queue_branches,id'],
            'queue_ids' => ['nullable', 'array'],
            'queue_ids.*' => ['integer', 'exists:queue_service_queues,id'],
            'collect_name' => ['nullable', 'boolean'],
            'collect_phone' => ['nullable', 'boolean'],
            'reset_seconds' => ['nullable', 'integer', 'min:5', 'max:120'],
            'welcome_message' => ['nullable', 'string', 'max:255'],
        ]);

        $config = null;
        if ($validated['type'] === 'kiosk') {
            $queueIds = array_map('intval', $validated['queue_ids'] ?? []);
            if ($queueIds !== []) {
                $allowed = ServiceQueue::owned($owner)
                    ->where('organization_id', $organization->id)
                    ->whereIn('id', $queueIds)
                    ->pluck('id')
                    ->all();
                $queueIds = array_values(array_intersect($queueIds, $allowed));
            }

            $config = [
                'service_queue_ids' => $queueIds,
                'collect_name' => $request->boolean('collect_name'),
                'collect_phone' => $request->boolean('collect_phone'),
                'reset_seconds' => $validated['reset_seconds'] ?? 15,
                'welcome_message' => filled($validated['welcome_message'] ?? null)
                    ? $validated['welcome_message']
                    : null,
            ];
        }

        $device = Device::create([
            'owner_ref' => $owner,
            'organization_id' => $organization->id,
            'branch_id' => $validated['branch_id'] ?? null,
            'name' => $validated['name'],
            'type' => $validated['type'],
            'status' => 'offline',
            'config' => $config,
        ]);

        $token = $this->devices->generateToken($device);
        AuditLogger::record($owner, 'device.created', $organization->id, $owner, Device::class, $device->id);

        return redirect()->route('qms.devices.index')
            ->with('success', 'Device registered. Token: '.$token);
    }

    public function regenerateToken(Request $request, Device $device): RedirectResponse
    {
        $this->authorizeAbility($request, 'displays.manage');
        $this->authorizeOwner($request, $device);

        $token = $this->devices->generateToken($device);

        return back()->with('success', 'New device token: '.$token);
    }
}