package com.sinata.appointment.service.event;

import com.sinata.appointment.entity.AppointmentOrder;
import com.sinata.appointment.mapper.AppointmentOrderMapper;
import com.sinata.appointment.service.IntegrationWechatService;
import com.sinata.appointment.service.PostApprovalOrchestrationService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
import org.springframework.transaction.event.TransactionPhase;
import org.springframework.transaction.event.TransactionalEventListener;

@Slf4j
@Component
@RequiredArgsConstructor
public class AppointmentLifecycleEventListener {

    private final AppointmentOrderMapper appointmentOrderMapper;
    private final PostApprovalOrchestrationService postApprovalOrchestrationService;
    private final IntegrationWechatService integrationWechatService;

    @Async("applicationTaskExecutor")
    @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
    public void handleApproved(AppointmentApprovedEvent event) {
        AppointmentOrder order = appointmentOrderMapper.selectById(event.orderId());
        if (order == null) {
            log.warn("Approved event skipped, order not found orderId={}", event.orderId());
            return;
        }
        postApprovalOrchestrationService.onOrderFullyApproved(order);
    }

    @Async("applicationTaskExecutor")
    @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
    public void handleRejected(AppointmentRejectedEvent event) {
        AppointmentOrder order = appointmentOrderMapper.selectById(event.orderId());
        if (order == null) {
            log.warn("Rejected event skipped, order not found orderId={}", event.orderId());
            return;
        }
        postApprovalOrchestrationService.onOrderRejected(order, event.reason());
    }

    @Async("applicationTaskExecutor")
    @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
    public void handleApproversNotify(AppointmentApproversNotifyEvent event) {
        if (event.instanceId() == null) {
            return;
        }
        AppointmentOrder order = appointmentOrderMapper.selectById(event.orderId());
        if (order == null) {
            log.warn("Approvers notify skipped, order not found orderId={}", event.orderId());
            return;
        }
        try {
            integrationWechatService.notifyCurrentApprovers(order, event.instanceId());
        } catch (Exception ex) {
            log.warn(
                    "notify current approvers failed, orderId={}, instanceId={}",
                    event.orderId(),
                    event.instanceId(),
                    ex);
        }
    }
}