<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class DatevExportLine extends Model
{
    protected $table = 'datev_export_lines';

    // Source Types
    const SOURCE_INVOICE = 'invoice';

    const SOURCE_CREDIT = 'credit';

    const SOURCE_CANCELLATION = 'cancellation';

    protected $fillable = [
        'datev_export_id',
        'source_type',
        'source_id',
        'line_number',
        'amount_gross',
        'soll_haben',
        'konto',
        'gegenkonto',
        'bu_schluessel',
        'belegdatum',
        'belegfeld1',
        'buchungstext',
        'eu_ustid',
        'eu_land',
        'row_csv',
    ];

    protected $casts = [
        'amount_gross' => 'decimal:2',
        'belegdatum' => 'date',
    ];

    /*
    |--------------------------------------------------------------------------
    | Relationships
    |--------------------------------------------------------------------------
    */

    public function datev_export()
    {
        return $this->belongsTo(DatevExport::class, 'datev_export_id');
    }

    /*
    |--------------------------------------------------------------------------
    | Scopes
    |--------------------------------------------------------------------------
    */

    public function scopeInvoices($query)
    {
        return $query->where('source_type', self::SOURCE_INVOICE);
    }

    public function scopeCredits($query)
    {
        return $query->where('source_type', self::SOURCE_CREDIT);
    }

    public function scopeCancellations($query)
    {
        return $query->where('source_type', self::SOURCE_CANCELLATION);
    }

    /*
    |--------------------------------------------------------------------------
    | Accessors
    |--------------------------------------------------------------------------
    */

    public function getSourceTypeLabelAttribute(): string
    {
        return match ($this->source_type) {
            self::SOURCE_INVOICE => 'Rechnung',
            self::SOURCE_CREDIT => 'Gutschrift',
            self::SOURCE_CANCELLATION => 'Storno',
            default => $this->source_type,
        };
    }

    public function getFormattedAmountAttribute(): string
    {
        $prefix = $this->soll_haben === 'S' ? '-' : '';

        return $prefix.number_format(abs($this->amount_gross), 2, ',', '.').' €';
    }

    public function getFormattedBelegdatumAttribute(): string
    {
        return $this->belegdatum ? $this->belegdatum->format('d.m.Y') : '-';
    }
}