<?php

namespace App\Jobs;

use App\Enums\ReceivableStatus;
use App\Models\FranchiseeAccountReceive;
use App\Models\StudentContractInstallment;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;

class ProcessAsaasWebhookJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    private const EVENT_STATUS_MAP = [
        'PAYMENT_RECEIVED'  => ReceivableStatus::PAID,
        'PAYMENT_CONFIRMED' => ReceivableStatus::PAID,
        'PAYMENT_OVERDUE'   => ReceivableStatus::OVERDUE,
        'PAYMENT_DELETED'   => ReceivableStatus::CANCELLED,
        'PAYMENT_REFUNDED'  => ReceivableStatus::CANCELLED,
    ];

    public array $payload;

    public function __construct(array $payload)
    {
        $this->payload = $payload;
    }

    public function handle(): void
    {
        $event   = $this->payload['event'] ?? null;
        $payment = $this->payload['payment'] ?? [];

        if (!$event || empty($payment)) {
            Log::warning('Asaas Webhook Job: payload incompleto', $this->payload);
            return;
        }

        $newStatus = self::EVENT_STATUS_MAP[$event] ?? null;

        if (!$newStatus) {
            Log::info("Asaas Webhook Job: evento '{$event}' ignorado (não mapeado).");
            return;
        }

        $externalReference = $payment['externalReference'] ?? null;
        $asaasId           = $payment['id'] ?? null;

        $receive = null;
        $type = 'unknown';

        if ($externalReference) {
            // Se for um recebível de Franquia
            if (str_starts_with($externalReference, 'TBR_')) {
                $id = str_replace('TBR_', '', $externalReference);
                $receive = FranchiseeAccountReceive::find($id);
                $type = 'FranchiseeAccountReceive';
            } 
            // Se for parcela de aluno
            elseif (str_starts_with($externalReference, 'STU_')) {
                $id = str_replace('STU_', '', $externalReference);
                $receive = StudentContractInstallment::find($id);
                $type = 'StudentContractInstallment';
            }
            // Backward compatibility para faturas de teste geradas antes do prefixo
            elseif (is_numeric($externalReference)) {
                $receive = FranchiseeAccountReceive::find($externalReference);
                $type = 'FranchiseeAccountReceive (legacy)';
            }
        }

        // Fallback por asaas_id caso externalReference venha nulo
        if (!$receive && $asaasId) {
            $receive = FranchiseeAccountReceive::where('asaas_id', $asaasId)->first();
            
            if ($receive) {
                $type = 'FranchiseeAccountReceive (by asaas_id)';
            } else {
                $receive = StudentContractInstallment::where('asaas_id', $asaasId)->first();
                if ($receive) {
                    $type = 'StudentContractInstallment (by asaas_id)';
                }
            }
        }

        if (!$receive) {
            Log::warning("Asaas Webhook Job: registro não encontrado", [
                'externalReference' => $externalReference,
                'asaas_id' => $asaasId,
                'event' => $event,
            ]);
            return;
        }

        // Conversão de status: se a model usa string (como StudentContractInstallment)
        // Precisamos comparar de forma segura
        $currentStatus = $receive->status instanceof ReceivableStatus ? $receive->status->value : $receive->status;
        $newStatusValue = $newStatus instanceof ReceivableStatus ? $newStatus->value : $newStatus;

        // Idempotência
        if ($currentStatus === ReceivableStatus::PAID->value && $newStatusValue === ReceivableStatus::PAID->value) {
            Log::info("Asaas Webhook Job: registro {$type} #{$receive->id} já está pago. Ignorando duplicata.");
            return;
        }

        $updateData = [
            'status'      => $newStatusValue,
            'asaas_status' => $payment['status'] ?? $event,
        ];

        if ($newStatusValue === ReceivableStatus::PAID->value) {
            $updateData['payment_date'] = $payment['paymentDate'] ?? $payment['confirmedDate'] ?? now();
            // A tabela do Aluno usa 'paid_value', a tabela da Franquia também.
            $updateData['paid_value']   = $payment['value'] ?? $receive->value;
        }

        $receive->update($updateData);

        Log::info("Asaas Webhook Job: {$type} #{$receive->id} atualizado para '{$newStatusValue}'", [
            'event' => $event,
            'asaas_id' => $asaasId,
        ]);
    }
}