<?php

namespace App\Http\Resources\Invoices;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class InvoiceResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id' => (int) ($this->resource['id'] ?? 0),
            'parent_id' => (int) ($this->resource['parent_id'] ?? 0),
            'invoice_number' => $this->resource['invoice_number'] ?? null,
            'total_amount' => (float) ($this->resource['total_amount'] ?? 0),
            'paid_amount' => (float) ($this->resource['paid_amount'] ?? 0),
            'discount' => (float) ($this->resource['discount'] ?? 0),
            'balance' => (float) ($this->resource['balance'] ?? 0),
            'status' => $this->resource['status'] ?? null,
            'school_year' => $this->resource['school_year'] ?? null,
            'semester' => $this->resource['semester'] ?? null,
            'issue_date' => $this->resource['issue_date'] ?? null,
            'due_date' => $this->resource['due_date'] ?? null,
            'created_at' => $this->resource['created_at'] ?? null,
            'updated_at' => $this->resource['updated_at'] ?? null,
            'refund_amount' => (float) ($this->resource['refund_amount'] ?? 0),
            'last_paid_amount' => (float) ($this->resource['last_paid_amount'] ?? 0),
            'last_payment_date' => $this->resource['last_payment_date'] ?? null,
            'payments' => collect($this->resource['payments'] ?? [])
                ->map(static fn ($payment) => [
                    'id' => (int) ($payment['id'] ?? 0),
                    'invoice_id' => (int) ($payment['invoice_id'] ?? 0),
                    'paid_amount' => (float) ($payment['paid_amount'] ?? 0),
                    'balance' => (float) ($payment['balance'] ?? 0),
                    'payment_method' => $payment['payment_method'] ?? null,
                    'payment_date' => $payment['payment_date'] ?? null,
                    'transaction_id' => $payment['transaction_id'] ?? null,
                    'status' => $payment['status'] ?? null,
                ])
                ->values()
                ->all(),
        ];
    }
}