<?php

namespace App\Http\Controllers\Frontdesk;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Frontdesk\Concerns\ScopesToAccount;
use App\Models\Branch;
use App\Models\Device;
use App\Models\ReceptionDesk;
use App\Services\Frontdesk\DeviceService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class DeviceController extends Controller
{
    use ScopesToAccount;

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

        $devices = Device::owned($this->ownerRef($request))
            ->where('organization_id', $organization->id)
            ->with(['branch', 'receptionDesk'])
            ->orderBy('name')
            ->paginate(25);

        $statsQuery = Device::owned($this->ownerRef($request))
            ->where('organization_id', $organization->id);

        $heroStats = [
            'total' => (clone $statsQuery)->count(),
            'online' => (clone $statsQuery)
                ->where('status', 'online')
                ->where('last_online_at', '>=', now()->subMinutes(10))
                ->count(),
            'kiosks' => (clone $statsQuery)->where('type', 'kiosk')->count(),
        ];

        return view('frontdesk.devices.index', [
            'organization' => $organization,
            'devices' => $devices,
            'deviceTypes' => config('frontdesk.device_types'),
            'heroStats' => $heroStats,
            'canManage' => app(\App\Services\Frontdesk\FrontdeskPermissions::class)
                ->can($this->member($request), 'devices.manage'),
        ]);
    }

    public function create(Request $request): View
    {
        $this->authorizeAbility($request, 'devices.manage');
        $organization = $this->organization($request);

        return view('frontdesk.devices.create', [
            'organization' => $organization,
            'deviceTypes' => config('frontdesk.device_types'),
            'branches' => $this->branches($request, $organization->id),
            'desks' => $this->desks($request, $organization->id),
        ]);
    }

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

        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'type' => ['required', 'string', 'in:'.implode(',', array_keys(config('frontdesk.device_types')))],
            'branch_id' => ['nullable', 'integer'],
            'reception_desk_id' => ['nullable', 'integer'],
        ]);

        if ($validated['type'] === 'kiosk' && ! app(\App\Services\Frontdesk\PlanService::class)->canAddKiosk($organization)) {
            return back()->withInput()->with('error', 'Your plan allows one kiosk device. Upgrade to Frontdesk Pro for unlimited kiosks.');
        }

        $token = in_array($validated['type'], config('frontdesk.device_token_types', []), true)
            ? $devices->generateToken()
            : null;

        Device::create([
            'owner_ref' => $this->ownerRef($request),
            'organization_id' => $organization->id,
            'name' => $validated['name'],
            'type' => $validated['type'],
            'branch_id' => $validated['branch_id'] ?? null,
            'reception_desk_id' => $validated['reception_desk_id'] ?? null,
            'device_token' => $token,
            'status' => 'offline',
            'config' => $devices->defaultConfigForType($validated['type']),
        ]);

        return redirect()->route('frontdesk.devices.index')->with('success', 'Device registered.');
    }

    public function edit(Request $request, Device $device): View
    {
        $this->authorizeAbility($request, 'devices.manage');
        $this->authorizeOwner($request, $device);

        return view('frontdesk.devices.edit', [
            'device' => $device,
            'deviceTypes' => config('frontdesk.device_types'),
            'branches' => $this->branches($request, $device->organization_id),
            'desks' => $this->desks($request, $device->organization_id),
        ]);
    }

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

        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'type' => ['required', 'string', 'in:'.implode(',', array_keys(config('frontdesk.device_types')))],
            'branch_id' => ['nullable', 'integer'],
            'reception_desk_id' => ['nullable', 'integer'],
            'status' => ['nullable', 'string', 'in:online,offline,maintenance'],
        ]);

        $device->update($validated);

        return redirect()->route('frontdesk.devices.index')->with('success', 'Device updated.');
    }

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

        return redirect()->route('frontdesk.devices.index')->with('success', 'Device removed.');
    }

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

        $device->update(['device_token' => $devices->generateToken()]);

        return back()->with('success', 'Device token regenerated.');
    }

    /** @return \Illuminate\Database\Eloquent\Collection<int, Branch> */
    protected function branches(Request $request, int $organizationId)
    {
        return Branch::owned($this->ownerRef($request))
            ->where('organization_id', $organizationId)
            ->where('is_active', true)
            ->orderBy('name')
            ->get();
    }

    /** @return \Illuminate\Database\Eloquent\Collection<int, ReceptionDesk> */
    protected function desks(Request $request, int $organizationId)
    {
        return ReceptionDesk::owned($this->ownerRef($request))
            ->whereHas('building.branch', fn ($q) => $q->where('organization_id', $organizationId))
            ->where('is_active', true)
            ->orderBy('name')
            ->get();
    }
}