<?php

namespace App\Services;

use App\Models\MisMigrationPatient;
use Illuminate\Support\Facades\DB;

class RecipientPatientService
{
    public function __construct(
        protected CurrentPatientService  $currentPatientService
    )
    { }

    // Получить IDs поступивших
    public function getRecipientMedicalHistoryIds(
        ?string $type,
        bool $isHeadOrAdmin,
        int $branchId,
        DateRange $dateRange
    ): array {
        return $this->buildRecipientQuery($type, $isHeadOrAdmin, $branchId, $dateRange, false)
            ->distinct()
            ->pluck('rf_MedicalHistoryID')
            ->toArray();
    }

    /**
     * Построить запрос для поступивших пациентов
     */
    public function buildRecipientQuery(
        ?string $type,
        bool $isHeadOrAdmin,
        int $branchId,
        DateRange $dateRange,
        bool $fillableAuto = false
    ) {
        $startAt = $dateRange->start()->copy()->format('Y-m-d H:i:s');
        $endAt = $dateRange->end()->copy()->format('Y-m-d H:i:s');

        if ($dateRange->isOneDay) {
            $startAt = $dateRange->startSql();
            $endAt = $dateRange->endSql();
        }

        $query = DB::table('stt_medicalhistory as mh')
            ->selectRaw('mh."MedicalHistoryID" as "rf_MedicalHistoryID"')
            ->where('mh.MedicalHistoryID', '<>', 0);

        $query->whereExists(function ($subQuery) use ($branchId, $startAt, $endAt) {
            $subQuery->select(DB::raw(1))
                ->from('stt_migrationpatient as mp')
                ->whereColumn('mp.rf_MedicalHistoryID', 'mh.MedicalHistoryID')
                ->where('mp.rf_StationarBranchID', $branchId)
                ->where('mp.DateIngoing', '>', $startAt)
                ->where('mp.DateIngoing', '<=', $endAt);
        });

        if ($type === 'plan') {
            $query->where('mh.rf_EmerSignID', 1);
        } elseif ($type === 'emergency') {
            $query->whereIn('mh.rf_EmerSignID', [2, 4]);
        }

        return $query->distinct();
    }

    // Получить IDs состоящих
    private function getCurrentMedicalHistoryIds(
        string $type,
        int $branchId,
        DateRange $dateRange,
        bool $fillableAuto,
    ): array {
        return $this->currentPatientService->getCurrentMedicalHistoryIds($type, $branchId, $dateRange, $fillableAuto);
    }

    public function resolvePlanOrEmergencyMedicalHistoryIds(
        ?string $type,
        bool $isHeadOrAdmin,
        int $branchId,
        DateRange $dateRange,
        bool $includeCurrent,
        bool $fillableAuto
    ): array {
        $recipientIds = $this->getRecipientMedicalHistoryIds(
            $type,
            $isHeadOrAdmin,
            $branchId,
            $dateRange
        );

        if (!$includeCurrent) {
            return array_values(array_unique($recipientIds));
        }

        $currentIds = $this->getCurrentMedicalHistoryIds($type, $branchId, $dateRange, $fillableAuto);

        return array_values(array_unique(array_merge($recipientIds, $currentIds)));
    }
}