<?php

namespace App\Jobs;

use App\Enums\NotificationType;
use App\Enums\ReceivableStatus;
use App\Models\FranchiseeAccountReceive;
use App\Services\NotificationService;
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(NotificationService $notifications): 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;

        // Cobrança de aluno (parcela) cobrada pela conta Asaas PRÓPRIA da unidade.
        if ($externalReference && str_starts_with($externalReference, 'STU_')) {
            $this->handleStudentInstallment($externalReference, $payment, $event, $newStatus);

            return;
        }

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

        if ($externalReference) {
            // Recebível de Franquia (TBR) cobrado pela conta da Matriz.
            if (str_starts_with($externalReference, 'TBR_')) {
                $id = str_replace('TBR_', '', $externalReference);
                $receive = FranchiseeAccountReceive::find($id);
                $type = 'FranchiseeAccountReceive';
            }
            // Backward compatibility para faturas de teste geradas antes do prefixo
            elseif (is_numeric($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)';
            }
        }

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

            return;
        }

        // Comparação segura de status (a model pode expor enum ou string).
        $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();
            $updateData['paid_value'] = $payment['value'] ?? $receive->value;
        }

        $receive->update($updateData);

        // Reflete a baixa na Conta a Pagar da unidade quando o TBR é confirmado
        // pago via Asaas (mantém o espelho em dia sem baixa manual). A baixa manual
        // de cada lado continua independente para os demais casos.
        if ($newStatusValue === ReceivableStatus::PAID->value) {
            $payable = \App\Models\UnitAccountPayable::where('franchisee_account_receive_id', $receive->id)
                ->whereNotIn('status', ['paid', 'cancelled'])
                ->first();

            if ($payable) {
                $payable->update([
                    'status' => 'paid',
                    'paid_value' => $payable->value,
                    'payment_date' => $updateData['payment_date'] ?? now(),
                ]);

                Log::info("Asaas Webhook Job: Conta a Pagar da unidade #{$payable->id} baixada automaticamente (TBR pago).");
            }

            if ($receive->unit_id) {
                $notifications->dispatch([
                    'origin_table' => 'franchisee_account_receives',
                    'origin_id' => $receive->id,
                    'unit_id' => $receive->unit_id,
                    'type' => NotificationType::PAYMENT_CREDITED->value,
                    'title' => 'Pagamento confirmado',
                    'message' => "Sua cobrança {$receive->history} foi devidamente creditada e consta como paga.",
                    'url' => '/financial/accounts-payable',
                    'action_text' => 'Ver Contas a Pagar',
                    'priority' => 'normal',
                    'recipient_user_ids' => $notifications->unitUserIds($receive->unit_id),
                ]);
            }
        }

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

    /**
     * Baixa/atualiza a parcela do aluno cobrada pela conta Asaas da unidade.
     */
    private function handleStudentInstallment(string $externalReference, array $payment, string $event, ReceivableStatus $newStatus): void
    {
        $id = str_replace('STU_', '', $externalReference);

        $installment = \App\Models\StudentContractInstallment::find($id);

        if (! $installment) {
            Log::warning("Asaas Webhook Job: parcela {$externalReference} não encontrada.", [
                'event' => $event,
                'asaas_id' => $payment['id'] ?? null,
            ]);

            return;
        }

        // Mapeia o status do recebível para o vocabulário das parcelas.
        $statusMap = [
            ReceivableStatus::PAID->value => 'paid',
            ReceivableStatus::OVERDUE->value => 'overdue',
            ReceivableStatus::CANCELLED->value => 'cancelled',
        ];
        $installmentStatus = $statusMap[$newStatus->value] ?? $installment->status;

        // Idempotência: já pago e continua pago → ignora duplicata.
        if ($installment->status === 'paid' && $installmentStatus === 'paid') {
            Log::info("Asaas Webhook Job: parcela #{$installment->id} já paga. Ignorando duplicata.");

            return;
        }

        $update = [
            'status' => $installmentStatus,
            'asaas_status' => $payment['status'] ?? $event,
        ];

        if ($installmentStatus === 'paid') {
            $update['payment_date'] = $payment['paymentDate'] ?? $payment['confirmedDate'] ?? now();
            $update['paid_value'] = $payment['value'] ?? $installment->value;
        }

        $installment->update($update);

        Log::info("Asaas Webhook Job: parcela #{$installment->id} atualizada para '{$installmentStatus}'.", [
            'event' => $event,
            'asaas_id' => $payment['id'] ?? null,
        ]);
    }
}