<?php

namespace App\Http\Controllers\V3;

use App\Enums\MissionStates;
use App\Exceptions\ProhibitedAction;
use App\Http\Controllers\Controller;
use App\Http\Traits\ApiResponse;
use App\Models\EdarateOstani;
use App\Models\Mission;
use App\Models\RoadItemsProject;
use App\Models\RoadObserved;
use App\Models\SafetyAndPrivacy;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Throwable;

class NotificationController extends Controller
{
    use ApiResponse;

    /**
     * Handle the incoming request.
     *
     * @throws Throwable
     */
    public function __invoke(Request $request): JsonResponse
    {
        return $this->successResponse([
            'roadItem' => $this->roadItemNotifications(),
            'safetyAndPrivacy' => $this->safetyAndPrivacyNotifications(),
            'roadObserved' => $this->roadObservedNotifications(),
            'mission' => $this->missionNotification(),
        ]);
    }

    /**
     * @throws Throwable
     */
    private function roadItemNotifications(): JsonResponse|array
    {
        $user = auth()->user();
        $road_items = [
            'total' => 0,
        ];

        if ($user->hasPermissionTo('create-road-item')) {
            $road_items['operation_cnt'] = RoadItemsProject::query()
                ->where('is_new', '=', 1)
                ->where('user_id', '=', $user->id)
                ->where('status', '=', 2)
                ->count();

            $road_items['total'] += $road_items['operation_cnt'];
        }
        if ($user->hasPermissionTo('supervise-road-item')) {
            $road_items['supervise_cnt'] = RoadItemsProject::query()
                ->where('is_new', '=', 1)
                ->where('status', '=', 0)
                ->count();

            $road_items['total'] += $road_items['supervise_cnt'];
        } elseif ($user->hasPermissionTo('supervise-road-item-province')) {
            throw_if(is_null($user->province_id) || ! $user->province_id, new ProhibitedAction('استانی برای شما در سامانه ثبت نشده است!'));

            $road_items['supervise_cnt'] = RoadItemsProject::query()
                ->where('is_new', '=', 1)
                ->where('province_id', '=', $user->province_id)
                ->where('status', '=', 0)
                ->count();

            $road_items['total'] += $road_items['supervise_cnt'];
        } elseif ($user->hasPermissionTo('supervise-road-item-by-edareostani')) {
            throw_if(is_null($user->edarate_ostani_id) || ! $user->edarate_ostani_id, new ProhibitedAction('اداره ای برای شما در سامانه ثبت نشده است!'));

            $confirmableItems = EdarateOstani::query()->where('id', '=', $user->edarate_ostani_id)->value('items_for_confirm');
            $road_items['supervise_cnt'] = RoadItemsProject::query()
                ->where('is_new', '=', 1)
                ->where('province_id', '=', $user->province_id)
                ->whereIn('item', explode(',', $confirmableItems))
                ->where('status', '=', 0)
                ->count();

            $road_items['total'] += $road_items['supervise_cnt'];
        }

        return $road_items;
    }

    /**
     * @throws Throwable
     */
    private function safetyAndPrivacyNotifications(): JsonResponse|array
    {
        $user = auth()->user();
        $safety_and_privacy = [];

        if ($user->hasPermissionTo('show-safety-and-privacy-operator-cartable')) {
            $safety_and_privacy['supervise_cnt'] = SafetyAndPrivacy::query()
                ->where('is_finished', '=', 1)
                ->where('status', '=', 0)
                ->count();
        } elseif ($user->hasPermissionTo('show-safety-and-privacy-operator-cartable-province')) {
            throw_if(is_null($user->province_id), new ProhibitedAction('استانی برای شما در سامانه ثبت نشده است!'));

            $safety_and_privacy['supervise_cnt'] = SafetyAndPrivacy::query()
                ->where('province_id', '=', $user->province_id)
                ->where('is_finished', '=', 1)
                ->where('status', '=', 0)
                ->count();
        } elseif ($user->hasPermissionTo('show-safety-and-privacy-operator-cartable-edarate-shahri')) {
            throw_if(is_null($user->edarate_shahri_id), new ProhibitedAction('اداره ای برای شما در سامانه ثبت نشده است!'));

            $activity = SafetyAndPrivacy::query()
                ->where('edare_shahri_id', '=', $user->edarate_shahri_id)
                ->selectRaw('count(*) as cnt, step')
                ->where('is_finished', '=', 0)
                ->groupby('step')
                ->orderBy('step')
                ->get();

            $step_one = $activity->where('step', '=', 1)->first();
            $step_two = $activity->where('step', '=', 2)->first();

            $safety_and_privacy['step_one'] = $step_one->cnt ?? 0;
            $safety_and_privacy['step_two'] = $step_two->cnt ?? 0;
        }

        return $safety_and_privacy;
    }

    /**
     * @throws Throwable
     */
    private function roadObservedNotifications(): JsonResponse|array
    {
        $user = auth()->user();
        $road_observations = [
            'total' => 0,
            'operation_cnt' => 0,
            'complaint_cnt' => 0,
            'supervise_cnt' => 0,
        ];

        if ($user->hasPermissionTo('show-fast-react')) {
            $road_observations['supervise_cnt'] = RoadObserved::query()->where([
                ['rms_status', '<>', 0],
                ['status', '=', 0],
            ])->count();

            $road_observations['complaint_cnt'] = RoadObserved::query()->where('rms_status', '=', 0)
                ->whereNotNull('edarate_shahri_id')
                ->count();
        } elseif ($user->hasPermissionTo('show-fast-react-province')) {
            throw_if(is_null($user->province_id), new ProhibitedAction('استانی برای شما در سامانه ثبت نشده است!'));

            $road_observations['supervise_cnt'] = RoadObserved::query()->where([
                ['rms_status', '<>', 0],
                ['status', '=', 0],
                ['province_id', '=', $user->province_id],
            ])->count();

            $road_observations['complaint_cnt'] = RoadObserved::query()->where([
                ['rms_status', '=', 0],
                ['province_id', '=', $user->province_id],
            ])->count();
        } elseif ($user->hasPermissionTo('show-fast-react-edarate-shahri')) {
            throw_if(is_null($user->edarate_shahri_id), new ProhibitedAction('اداره ای برای شما در سامانه ثبت نشده است!'));

            $road_observations['operation_cnt'] = RoadObserved::query()->where([
                ['rms_status', '<>', 0],
                ['status', '=', 2],
                ['edarate_shahri_id', '=', $user->edarate_shahri_id],
            ])->count();

            $road_observations['complaint_cnt'] = RoadObserved::query()->where([
                ['rms_status', '=', 0],
                ['edarate_shahri_id', '=', $user->edarate_shahri_id],
            ])->count();
        }

        $road_observations['total'] += $road_observations['operation_cnt'] + $road_observations['complaint_cnt'] + $road_observations['supervise_cnt'];

        return $road_observations;
    }

    public function missionNotification(): array
    {
        $user = auth()->user();
        $missions = [
            'request_portal' => Mission::query()
                ->where([
                    ['state_id', '=',  MissionStates::REJECT_BY_TRANSPORTATION->value],
                    ['user_id', '=', $user->id],
                ])->count(),
            'transportation' => 0,
            'control' => 0,
        ];

        if ($user->hasPermissionTo('manage-transportation-unit-station')) {
            $missions['transportation'] = Mission::query()->where([
                ['state_id', '=',  MissionStates::REQUEST_CREATED->value],
                ['station_id', '=', $user->station_id],
            ])->count();
        }
        if ($user->hasPermissionTo('manage-transportation-unit-country')) {
            $missions['transportation'] = Mission::query()->where([
                ['state_id', '=',  MissionStates::REQUEST_CREATED->value],
            ])->count();
        }
        if ($user->hasPermissionTo('manage-transportation-unit-province')) {
            $missions['transportation'] = Mission::query()->where([
                ['state_id', '=',  MissionStates::REQUEST_CREATED->value],
                ['province_id', '=', $user->province_id],

            ])->count();
        }
        if ($user->hasPermissionTo('manage-transportation-unit-city')) {
            $missions['transportation'] = Mission::query()->where([
                ['state_id', '=',  MissionStates::REQUEST_CREATED->value],
                ['city_id', '=', $user->city_id],

            ])->count();
        }


        if ($user->hasPermissionTo('manage-control-unit-station')) {
            $missions['control'] = Mission::query()
                ->whereIn('state_id', [
                    MissionStates::PENDING_CONFIRMATION->value,
                    MissionStates::START_MISSION->value,
                ])
                ->where('station_id', $user->station_id)
                ->count();
        }
        if ($user->hasPermissionTo('manage-control-unit-country')) {
            $missions['control'] = Mission::query()
                ->whereIn('state_id', [
                MissionStates::PENDING_CONFIRMATION->value,
                MissionStates::START_MISSION->value,
            ])->count();
        }
        if ($user->hasPermissionTo('manage-control-unit-province')) {
            $missions['control'] = Mission::query()
                ->whereIn('state_id', [
                MissionStates::PENDING_CONFIRMATION->value,
                MissionStates::START_MISSION->value,
            ])
                ->where('province_id', '=', $user->province_id)
                ->count();
        }
        if ($user->hasPermissionTo('manage-control-unit-city')) {
            $missions['control'] = Mission::query()
                ->whereIn('state_id', [
                    MissionStates::PENDING_CONFIRMATION->value,
                    MissionStates::START_MISSION->value,
                ])
                ->where('city_id', '=', $user->city_id
            )->count();
        }

        $missions['total'] = $missions['request_portal'] + $missions['transportation'] + $missions['control'];

        return $missions;
    }
}