<?php

namespace App\Models;

use App\Services\DateRange;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\DB;

class MigrationPatient extends MaterializedViewModel
{
    protected $table = 'mv_migrationpatient_details';
    protected $primaryKey = 'id';

    protected $casts = [
        'birth_date' => 'date:Y-m-d',
        'recipient_date' => 'datetime:Y-m-d H:i:s',
        'extract_date' => 'datetime:Y-m-d H:i:s',
        'death_date' => 'datetime:Y-m-d H:i:s',
        'male' => 'boolean',
    ];

    public function medicalHistory()
    {
        return $this->belongsTo(MedicalHistory::class, 'medical_history_id', 'id');
    }

    public function operations()
    {
        return $this->hasMany(SurgicalOperation::class, 'migration_patient_id', 'id')
            ->orderBy('end_date', 'desc');
    }

    public function reanimations()
    {
        return $this->hasMany(Reanimation::class, 'migration_patient_id', 'id')
            ->orderBy('out_date', 'desc');
    }

    // Пересечение с отчетным периодом
    public function scopeDateRange($query, string $from, string $to)
    {
        return $query->where('ingoing_date', '<=', $to)
            ->where(function ($q) use ($from) {
                $q->whereNull('out_date')->orWhere('out_date', '>=', $from);
            });
    }

    // Фильтр по подразделению (получает ID отделений)
    public function scopeDepartment($query, int $departmentId)
    {
        $branchIds = DB::table('stt_stationarbranch')
            ->where('rf_DepartmentID', $departmentId)
            ->pluck('StationarBranchID');

        return $query->whereIn('stationar_branch_id', $branchIds);
    }

    // Быстрые фильтры по статусам (используют индексы MV, а не computed column)
    public function scopeAdmitted($query, string $from, string $to)
    {
        return $query->where('ingoing_date', '>', $from)
            ->where('ingoing_date', '<=', $to);
    }

    public function scopeDischarged($query, string $from, string $to)
    {
        return $query->where('out_date', '>', $from)
            ->where('out_date', '<=', $to)
            ->whereNotIn('visit_result_id', [3, 4, 5, 6])
            ->whereNull('death_date'); // умершие не считаются "выбывшими домой"
    }

    public function scopeTransferred($query, string $from, string $to)
    {
        return $query->where('out_date', '>', $from)
            ->where('out_date', '<=', $to)
            ->whereIn('visit_result_id', [3, 4]);
    }

    public function scopeDeceased($query, string $from, string $to)
    {
        return $query->whereNotNull('death_date')
            ->where('death_date', '>', $from)
            ->where('death_date', '<=', $to);
    }

    public function scopeCurrent($query, DateRange $dateRange)
    {
        return $query->whereNull('out_date')
            ->whereNotNull('medical_history_id')
            ->where('ingoing_date', '<', $dateRange->startSql())
            ->wherehas('medicalHistory', function ($query) use ($dateRange) {
                $query->whereNull('extract_date');
            });
    }

    public function scopeCurrentOrAdmitted($query, DateRange $dateRange)
    {
        return $query->where(function ($q) use ($dateRange) {
            // Вариант А: Пациент уже лежит (текущий)
            $q->whereNull('out_date')
                ->whereNotNull('medical_history_id')
                ->where('ingoing_date', '<', $dateRange->startSql())
                ->wherehas('medicalHistory', function ($query) use ($dateRange) {
                    $query->whereNull('extract_date');
                });
        })
            ->orWhere(function ($q) use ($dateRange) {
                $q->where('ingoing_date', '<=', $dateRange->endSql())
                    ->where('ingoing_date', '>', $dateRange->startSql());
            });
    }

    public function scopeCurrentMigration($query, $historyId, $departmentId)
    {
        return $query->where('medical_history_id', $historyId)
            ->department($departmentId)
            ->orderBy('ingoing_date', 'desc')
            ->limit(1)->first();
    }

    public function getAdmittedInCurrentAttribute(): bool
    {
        // Получаем дату поступления из последнего движения
        $ingoing = $this->ingoing_date;

        if (!$ingoing) {
            return false;
        }

        $ingoingLocal = Carbon::parse($ingoing)->setTimezone(config('app.timezone', 'Europe/Moscow'));
        $now = Carbon::now(config('app.timezone', 'Europe/Moscow'));

        // Окно смены: вчера 09:00 → сегодня 09:00
        $shiftStart = $now->copy()->subDay()->setTime(9, 0);
        $shiftEnd   = $now->copy()->setTime(9, 0);

        return $ingoingLocal->between($shiftStart, $shiftEnd);
    }
}