<?php

namespace App\Models\Business;

use App\Abstracts\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasOne;

class CourierQuoteVersion extends Model
{
    protected $table = 'business_courier_quote_versions';

    protected $fillable = [
        'company_id', 'version_code', 'source_quote_id', 'source_change_id', 'sheet_name', 'company_name',
        'carrier_name', 'courier_expcode', 'billing_rules', 'quote_type', 'effective_date', 'end_date', 'source_range', 'values_json', 'formulas_json',
        'status', 'signature_status', 'created_by', 'approved_by', 'void_reason', 'voided_at', 'voided_by',
    ];

    public const STATUS_APPROVED = 'approved';

    /** 发错作废：不再参与生效判断，原件和回签单保留。 */
    public const STATUS_VOIDED = 'voided';

    protected $casts = [
        'company_id' => 'integer',
        'effective_date' => 'date',
        'end_date' => 'date',
        'voided_at' => 'datetime',
    ];

    /** 短期（临时）变价：有结束日期，到期后回到原来的长期报价。 */
    public function isTemporary(): bool
    {
        return $this->end_date !== null;
    }

    /** 某一天是否在这一版的执行期间内（开始 ≤ 日期 ≤ 结束；长期版本没有结束）。 */
    public function coversDate(\DateTimeInterface $date): bool
    {
        $day = \Illuminate\Support\Carbon::instance($date)->startOfDay();

        return $this->effective_date !== null
            && $this->effective_date->lte($day)
            && ($this->end_date === null || $this->end_date->gte($day));
    }

    /** 执行期间文字，如「2026-10-12 至 2026-10-15（临时）」或「2026-10-01 起」。 */
    public function periodLabel(): string
    {
        if ($this->effective_date === null) {
            return '-';
        }

        return $this->end_date !== null
            ? $this->effective_date->toDateString() . ' 至 ' . $this->end_date->toDateString() . '（临时）'
            : $this->effective_date->toDateString() . ' 起';
    }

    public function isVoided(): bool
    {
        return $this->status === self::STATUS_VOIDED;
    }

    public function change(): BelongsTo
    {
        return $this->belongsTo(CourierQuoteChange::class, 'source_change_id');
    }

    public function signature(): HasOne
    {
        return $this->hasOne(CourierQuoteSignature::class, 'quote_version_id');
    }
}