<?php

namespace App\Services\Cartables\Mission;

use App\Exceptions\ProhibitedAction;
use App\Facades\DataTable\DataTableFacade;
use App\Models\Mission;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class ReportService
{
    public function dataTable(Request $request)
    {
        $user = auth()->user();

        throw_if(is_null($user->edarate_shahri_id), new ProhibitedAction('اداره ای برای شما در سامانه ثبت نشده است!'));

        $query = Mission::query()->where('edare_shahri_id', '=', $user->edarate_shahri_id);

        return DataTableFacade::run(
            $query,
            $request,
            allowedFilters: ['*'],
            allowedSortings: ['*'],
        );
    }

    public function countryActivity(Request $request): array
    {
        $from = null;
        $to   = null;

        $filters = json_decode($request->filters ?? '[]', true);

        foreach ($filters as $filter) {
            if (($filter['fn'] ?? null) === 'between' && ($filter['id'] ?? null) === 'created_at') {
                $from = ($filter['value'][0] ?? null) ? ($filter['value'][0] . ' 00:00:00') : null;
                $to   = ($filter['value'][1] ?? null) ? ($filter['value'][1] . ' 23:59:59') : null;
                break;
            }
        }

        $from ??= '1970-01-01 00:00:00';
        $to   ??= now()->endOfDay()->toDateTimeString();

        $sql = "
        WITH r AS (
            SELECT
                p.id,
                p.name_fa AS province_name,

                COUNT(DISTINCT CASE
                    WHEN mv.type = 1
                     AND mv.created_at BETWEEN :from AND :to
                    THEN mv.id
                END) AS no_mission_count,

                COUNT(DISTINCT CASE
                    WHEN m.mission_duration != m.in_area_duration
                     AND m.created_at BETWEEN :from AND :to
                    THEN m.id
                END) AS out_of_area_count

            FROM provinces p
            LEFT JOIN cmms_machines cm
                ON cm.province_id = p.id
            LEFT JOIN mission_violations mv
                ON TRIM(cm.machine_code) = TRIM(mv.machine_code)
            LEFT JOIN missions m
                ON m.province_id = p.id

            GROUP BY p.id, p.name_fa
        )

        SELECT
            'کل کشور' AS province_name,
            SUM(no_mission_count) AS no_mission_count,
            SUM(out_of_area_count) AS out_of_area_count
        FROM r

        UNION ALL

        SELECT
            province_name, no_mission_count, out_of_area_count
        FROM r

        ORDER BY
            CASE WHEN province_name = 'کل کشور' THEN 0 ELSE 1 END,
            province_name
    ";

        return DB::select($sql, [
            'from' => $from,
            'to'   => $to,
        ]);
    }

    public function provinceActivity(Request $request, int $info_id): array
    {
        //
    }
}