<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class AccountingEntry extends Model
{
    use HasFactory;

    const ENTRY_TYPE_DEBIT = 'debit';
    const ENTRY_TYPE_CREDIT = 'credit';

    protected $fillable = [
        'finance_document_id',
        'income_id',
        'chart_of_account_id',
        'entry_type',
        'amount',
        'entry_date',
        'description',
    ];

    protected $casts = [
        'entry_date' => 'date',
        'amount' => 'decimal:2',
    ];

    /**
     * Get the finance document that owns this entry
     */
    public function financeDocument()
    {
        return $this->belongsTo(FinanceDocument::class);
    }

    /**
     * Get the income that owns this entry
     */
    public function income()
    {
        return $this->belongsTo(Income::class);
    }

    /**
     * Get the chart of account for this entry
     */
    public function chartOfAccount()
    {
        return $this->belongsTo(ChartOfAccount::class);
    }

    /**
     * Check if this is a debit entry
     */
    public function isDebit(): bool
    {
        return $this->entry_type === self::ENTRY_TYPE_DEBIT;
    }

    /**
     * Check if this is a credit entry
     */
    public function isCredit(): bool
    {
        return $this->entry_type === self::ENTRY_TYPE_CREDIT;
    }

    /**
     * Scope to filter debit entries
     */
    public function scopeDebits($query)
    {
        return $query->where('entry_type', self::ENTRY_TYPE_DEBIT);
    }

    /**
     * Scope to filter credit entries
     */
    public function scopeCredits($query)
    {
        return $query->where('entry_type', self::ENTRY_TYPE_CREDIT);
    }

    /**
     * Scope to filter by account
     */
    public function scopeForAccount($query, $accountId)
    {
        return $query->where('chart_of_account_id', $accountId);
    }

    /**
     * Scope to filter by date range
     */
    public function scopeDateRange($query, $startDate, $endDate)
    {
        return $query->whereBetween('entry_date', [$startDate, $endDate]);
    }
}