<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Concerns\PortalAware;
use App\Http\Controllers\Controller;
use App\Models\Photo;
use App\Models\PhotoRead;
use App\Models\User;
use App\Support\AgentScope;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Http\Request;

class PhotoController extends Controller
{
    use PortalAware;

    public function index()
    {
        $agents = $this->isAgentPortal()
            ? collect()
            : User::query()->orderBy('username')->get(['id', 'username']);

        return view('admin.photos.index', [
            'portal' => $this->portal(),
            'agents' => $agents,
        ]);
    }

    public function data(Request $request)
    {
        $q = $this->baseQuery($request);

        $sortable = ['id', 'size', 'x_hit', 'created_at'];
        $field = (string) $request->query('field', 'id');
        $order = strtolower((string) $request->query('order', 'desc')) === 'asc' ? 'asc' : 'desc';
        if (! in_array($field, $sortable, true)) {
            $field = 'id';
        }
        $q->orderBy('photos.'.$field, $order);

        $limit = max(1, min(100, (int) $request->query('limit', 20)));
        $page = max(1, (int) $request->query('page', 1));
        $paginator = $q->paginate($limit, ['*'], 'page', $page);

        $portal = $this->portal();
        [$guard, $actorId] = $this->viewerActor();
        $readIds = ($guard !== null && $actorId !== null)
            ? PhotoRead::readPhotoIds($guard, $actorId, $paginator->getCollection()->pluck('id')->all())
            : [];
        $data = collect($paginator->items())->map(function ($row) use ($portal, $readIds) {
            return [
                'id' => $row->id,
                'device_key' => $row->device_key ?: '',
                'channel_id' => $row->device_channel_id ?: '',
                'url' => route($portal.'.devices.photo', [$row->device_id, $row->id]),
                'size' => $row->size,
                'x_hit' => $row->x_hit,
                'read' => in_array((int) $row->id, $readIds, true) ? 1 : 0,
                'created_at' => optional($row->created_at)->format('Y-m-d H:i:s'),
                'detail_url' => route($portal.'.devices.show', ['device' => $row->device_id, 'tab' => 'photos']),
            ];
        })->values();

        return response()->json([
            'code' => 0,
            'msg' => '',
            'count' => $paginator->total(),
            'data' => $data,
        ]);
    }

    private function baseQuery(Request $request): Builder
    {
        $q = Photo::query()
            ->join('devices', 'devices.id', '=', 'photos.device_id')
            ->select([
                'photos.*',
                'devices.device_id as device_key',
                'devices.channel_id as device_channel_id',
            ]);

        AgentScope::applyDeviceChannelScope($q, $this->agent());

        $channelId = trim((string) $request->query('channel_id', ''));
        $deviceKey = trim((string) $request->query('device_key', ''));
        if ($channelId !== '') {
            $q->where('devices.channel_id', 'like', '%'.$channelId.'%');
        }
        if ($deviceKey !== '') {
            $q->where('devices.device_id', 'like', '%'.$deviceKey.'%');
        }
        if ((string) $request->query('sensitive', '') === '1') {
            $q->where('photos.x_hit', '>', 0);
        }
        [$guard, $actorId] = $this->viewerActor();
        if ($guard !== null && $actorId !== null) {
            PhotoRead::applyFilter($q, $guard, $actorId, 'photos.id', $request->query('read'));
        }
        if (! $this->isAgentPortal()) {
            AgentScope::applyAgentUserFilter(
                $q,
                AgentScope::parseAgentUserIdFilter($request->query('agent_user_id'))
            );
        }

        return $q;
    }
}