<?php

declare(strict_types=1);

namespace App\Models;

use CodeIgniter\Model;

class CodeDetailModel extends Model
{
    protected $table         = 'code_detail';
    protected $primaryKey    = 'cd_idx';
    protected $returnType    = 'object';
    protected $useTimestamps = false;
    protected $allowedFields = [
        'cd_ck_idx',
        'cd_source',
        'cd_lg_idx',
        'cd_code',
        'cd_name',
        'cd_sort',
        'cd_state',
        'cd_regdate',
    ];

    /**
     * 목록 조회: 플랫폼(0) + (선택) 해당 지자체 행
     *
     * @param int|null $effectiveLgIdx null 또는 1 미만이면 플랫폼 공통만
     */
    public function filterByTenantScope(?int $effectiveLgIdx): self
    {
        if ($effectiveLgIdx === null || $effectiveLgIdx < 1) {
            return $this->where('cd_lg_idx', 0);
        }

        return $this->groupStart()
            ->where('cd_lg_idx', 0)
            ->orWhere('cd_lg_idx', $effectiveLgIdx)
            ->groupEnd();
    }

    /**
     * 특정 코드 종류의 세부코드 목록
     *
     * @param int|null $effectiveLgIdx 테넌트 범위 (null=플랫폼만)
     */
    public function getByKind(int $ckIdx, bool $activeOnly = false, ?int $effectiveLgIdx = null): array
    {
        $this->where('cd_ck_idx', $ckIdx);
        $this->filterByTenantScope($effectiveLgIdx);
        if ($activeOnly) {
            $this->where('cd_state', 1);
        }

        return $this->orderBy('cd_sort', 'ASC')->orderBy('cd_idx', 'ASC')->findAll();
    }

    /**
     * 동일 세부코드값: 지자체 전용이 있으면 우선, 없으면 플랫폼
     */
    public function findResolvedByKindAndCode(int $ckIdx, string $code, ?int $effectiveLgIdx): ?object
    {
        if ($effectiveLgIdx !== null && $effectiveLgIdx > 0) {
            $local = $this->where('cd_ck_idx', $ckIdx)->where('cd_code', $code)->where('cd_lg_idx', $effectiveLgIdx)->first();
            if ($local !== null) {
                return $local;
            }
        }

        return $this->where('cd_ck_idx', $ckIdx)->where('cd_code', $code)->where('cd_lg_idx', 0)->first();
    }
}