<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphMany;

class Expense extends Model
{
    use HasFactory;

    protected $guarded = [];

    protected $casts = [
        'happened_on' => 'date:Y-m-d',
    ];

    /**
     * Get all the transactions for the Sale
     */
    public function transactions(): MorphMany
    {
        return $this->morphMany(Transaction::class, 'transactionable');
    }

    protected static function booted()
    {
        static::deleting(function ($expense) {
            $expense->transactions->each(function ($transaction) {
                // Delete associated ledgers first to trigger any ledger deletion logic if exists
                $transaction->ledgers->each(function ($ledger) {
                    $ledger->balances()->delete(); // Delete balances associated with ledger
                    $ledger->delete();
                });
                $transaction->delete();
            });
        });
    }

    public function branch(): BelongsTo
    {
        return $this->belongsTo(Branch::class);
    }
}