<?php

namespace App\Services;

use App\Models\MedicalHistory;
use App\Models\MigrationPatient;
use Illuminate\Support\Carbon;

class MedicalHistoryService
{
    public function getHistories(DateRange $dateRange, int $departmentId)
    {
        $query = MedicalHistory::query();

        $query->where('recipient_date', '>=', $dateRange->startSql())
            ->where('recipient_date', '<', $dateRange->endSql())
            // 1. Оставляем только тех пациентов, у которых БЫЛО движение в этом отделении
            ->whereHas('latestMigration', fn($q) => $q->where('department_id', $departmentId))

            // 2. Загружаем ТОЛЬКО последнее движение в этом отделении (не все миграции)
            ->with(['latestMigration' => fn($q) => $q->where('department_id', $departmentId)]);

        $result = $query->paginate();

        return $result;
    }

    public function getUrgencyHistory(DateRange $dateRange, int $departmentId, int $urgencyId)
    {
        $query = MedicalHistory::query();

        $query->where('recipient_date', '>=', $dateRange->startSql())
            ->where('recipient_date', '<', $dateRange->endSql())
            ->urgency($urgencyId)
            ->whereHas('migrations', function ($m) use ($departmentId) {
                $m->where('department_id', $departmentId);
            })
            ->with([
                'migrations' => fn ($m) => $m->where('department_id', $departmentId),
                'migrations.operations'
            ]);

        $result = $query->paginate();

        return $result;
    }

    public function getDepartmentHistories(DateRange $dateRange, int $departmentId)
    {
        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->currentOrAdmitted($dateRange);
            })
            ->with(['latestMigration' => function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->currentOrAdmitted($dateRange)->latest('ingoing_date'); // подгружаем только отфильтрованные движения
            }, 'latestMigration.operations'])
            ->get()
            // Сортировка по дате поступления в отделение (поле дочерней таблицы)
            ->sortByDesc(fn ($mh) => $mh->latestMigration->ingoing_date ?? $mh->recipient_date)
            ->values();
    }

    public function getPlannedHistories(DateRange $dateRange, int $departmentId)
    {
        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->currentOrAdmitted($dateRange);
            })
            ->with(['latestMigration' => function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->currentOrAdmitted($dateRange)
                    ->latest('ingoing_date'); // подгружаем только отфильтрованные движения
            }, 'latestMigration.operations'])
            ->urgency(1)
            ->get()
            // Сортировка по дате поступления в отделение (поле дочерней таблицы)
            ->sortByDesc(fn ($mh) => $mh->latestMigration->ingoing_date ?? $mh->recipient_date)
            ->values();
    }
    public function getEmergencyHistories(DateRange $dateRange, int $departmentId)
    {
        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->currentOrAdmitted($dateRange);
            })
            ->with(['latestMigration' => function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->currentOrAdmitted($dateRange)->latest('ingoing_date'); // подгружаем только отфильтрованные движения
            }, 'latestMigration.operations'])
            ->urgency(2)
            ->get()
            // Сортировка по дате поступления в отделение (поле дочерней таблицы)
            ->sortByDesc(fn ($mh) => $mh->latestMigration->ingoing_date ?? $mh->recipient_date)
            ->values();
    }

    /**
     * Получить карты поступившие сегодня
     * @param DateRange $dateRange
     * @param int $departmentId
     */
    public function getRecipientHistories(DateRange $dateRange, int $departmentId)
    {
        $now = Carbon::now();

        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->admitted($dateRange->startSql(), $dateRange->endSql());
            })
            ->with(['latestMigration' => function ($q) use ($departmentId) {
                $q->department($departmentId);
            }, 'latestMigration.operations'])
            ->get();
    }

    public function getDischargedHistories(DateRange $dateRange, int $departmentId)
    {
        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->discharged($dateRange->startSql(), $dateRange->endSql());
            })
            ->with(['latestMigration' => function ($q) use ($departmentId) {
                $q->department($departmentId);
            }, 'latestMigration.operations'])
            ->get();
    }

    public function getDeceasedHistories(DateRange $dateRange, int $departmentId)
    {
        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->deceased($dateRange->startSql(), $dateRange->endSql());
            })
            ->with(['latestMigration' => function ($q) use ($departmentId) {
                $q->department($departmentId);
            }, 'latestMigration.operations'])
            ->get();
    }

    public function getTransferredHistories(DateRange $dateRange, int $departmentId)
    {
        return MedicalHistory::query()
            ->whereHas('migrations', function ($q) use ($departmentId, $dateRange) {
                $q->department($departmentId)->transferred($dateRange->startSql(), $dateRange->endSql());
            })
            ->with(['latestMigration' => function ($q) use ($departmentId) {
                $q->department($departmentId);
            }, 'latestMigration.operations'])
            ->get();
    }
}