<?php

namespace App\Models;

use App\Entities\CollectorEntity;
use App\Entities\TrafficEntity;

class CollectorModel extends CommonModel
{
    const TABLE = "collectorinfo";
    const PK = "uid";
    const TITLE = "uid";
    protected $table            = self::TABLE;
    // protected $useAutoIncrement = false;
    protected $primaryKey       = self::PK;
    protected $returnType       = CollectorEntity::class;
    protected $allowedFields = [
        "uid",
        "trafficinfo_uid",
        "in",
        "out",
        "raw_in",
        "raw_out",
        "updated_at"
    ];
    public function __construct()
    {
        parent::__construct();
    }

    public function getLastEntity($uid): CollectorEntity|null
    {
        return $this
            ->where('trafficinfo_uid', $uid)
            ->orderBy('created_at', 'DESC')
            ->first(); // 첫 번째 레코드(=가장 최신)
    }

    public function get95PercentileValue(TrafficEntity $trafficEntity, string $field, string $startDate, string $endDate)
    {
        $sql = "WITH ranked AS (
    SELECT `{$field}`,`created_at`, ROW_NUMBER() OVER (ORDER BY `{$field}` DESC) AS rn,COUNT(*) OVER () AS total
    FROM {$this->table}
    WHERE trafficinfo_uid = ?
      AND created_at BETWEEN ? AND ?
)
SELECT `{$field}`
FROM ranked
WHERE rn = FLOOR(total * 0.05)
LIMIT 1";
        $result = $this->query($sql, [
            $trafficEntity->getPK(),
            $startDate,
            $endDate
        ]);
        log_message('debug', '[95PERCENTILE SQL] :' . $this->db->getLastQuery());
        return $result->getRow()->$field ?? null;
    }
}