<?php

namespace App\Models\Barobill;

use App\Traits\BelongsToTenant;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class HometaxInvoice extends Model
{
    use BelongsToTenant, SoftDeletes;

    protected $table = 'hometax_invoices';

    // 과세유형
    public const TAX_TYPE_TAXABLE = '01';    // 과세

    public const TAX_TYPE_ZERO = '02';       // 영세

    public const TAX_TYPE_EXEMPT = '03';     // 면세

    // 영수/청구
    public const PURPOSE_TYPE_RECEIPT = '01';  // 영수

    public const PURPOSE_TYPE_CLAIM = '02';    // 청구

    // 발급유형
    public const ISSUE_TYPE_NORMAL = '01';     // 정발행

    public const ISSUE_TYPE_REVERSE = '02';    // 역발행

    protected $fillable = [
        'tenant_id',
        'nts_confirm_num',
        'invoice_type',
        'write_date',
        'issue_date',
        'send_date',
        'invoicer_corp_num',
        'invoicer_tax_reg_id',
        'invoicer_corp_name',
        'invoicer_ceo_name',
        'invoicer_addr',
        'invoicer_biz_type',
        'invoicer_biz_class',
        'invoicer_contact_id',
        'invoicee_corp_num',
        'invoicee_tax_reg_id',
        'invoicee_corp_name',
        'invoicee_ceo_name',
        'invoicee_addr',
        'invoicee_biz_type',
        'invoicee_biz_class',
        'invoicee_contact_id',
        'supply_amount',
        'tax_amount',
        'total_amount',
        'tax_type',
        'purpose_type',
        'issue_type',
        'is_modified',
        'original_nts_confirm_num',
        'modify_code',
        'remark1',
        'remark2',
        'remark3',
        'item_name',
        'item_count',
        'item_unit_price',
        'item_supply_amount',
        'item_tax_amount',
        'item_remark',
        'account_code',
        'account_name',
        'deduction_type',
    ];

    protected $casts = [
        'supply_amount' => 'integer',
        'tax_amount' => 'integer',
        'total_amount' => 'integer',
        'item_count' => 'integer',
        'item_unit_price' => 'integer',
        'item_supply_amount' => 'integer',
        'item_tax_amount' => 'integer',
        'is_modified' => 'boolean',
        'write_date' => 'date',
        'issue_date' => 'date',
        'send_date' => 'date',
    ];

    // =========================================================================
    // 관계 정의
    // =========================================================================

    public function tenant(): BelongsTo
    {
        return $this->belongsTo(\App\Models\Tenants\Tenant::class);
    }

    public function journals(): HasMany
    {
        return $this->hasMany(HometaxInvoiceJournal::class, 'hometax_invoice_id');
    }

    // =========================================================================
    // 스코프
    // =========================================================================

    public function scopeSales($query)
    {
        return $query->where('invoice_type', 'sales');
    }

    public function scopePurchase($query)
    {
        return $query->where('invoice_type', 'purchase');
    }

    public function scopePeriod($query, string $startDate, string $endDate)
    {
        return $query->whereBetween('write_date', [$startDate, $endDate]);
    }

    // =========================================================================
    // 접근자
    // =========================================================================

    public function getTaxTypeNameAttribute(): string
    {
        return match ($this->tax_type) {
            self::TAX_TYPE_TAXABLE => '과세',
            self::TAX_TYPE_ZERO => '영세',
            self::TAX_TYPE_EXEMPT => '면세',
            default => $this->tax_type ?? '',
        };
    }

    public function getPurposeTypeNameAttribute(): string
    {
        return match ($this->purpose_type) {
            self::PURPOSE_TYPE_RECEIPT => '영수',
            self::PURPOSE_TYPE_CLAIM => '청구',
            default => $this->purpose_type ?? '',
        };
    }

    public function getIssueTypeNameAttribute(): string
    {
        return match ($this->issue_type) {
            self::ISSUE_TYPE_NORMAL => '정발행',
            self::ISSUE_TYPE_REVERSE => '역발행',
            default => $this->issue_type ?? '',
        };
    }
}