package com.whdc.component;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.whdc.mapper.AutoCallConfigMapper;
import com.whdc.mapper.AutoCallPersonMapper;
import com.whdc.model.autocall.AutoCallPerson;
import com.whdc.model.autocall.AutoCallTask;
import com.whdc.service.autocall.AutoCallTaskService2;
import com.whdc.utils.AutoCallHelper;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.annotation.Profile;
import org.springframework.context.event.EventListener;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import javax.annotation.PreDestroy;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicBoolean;

/**
 * @author lyf
 * @since 2025-06-20
 */
@Component
@Slf4j
@Profile({"dev"})
public class AutoCallTaskScheduled {

    @Autowired
    private AutoCallTaskService2 autoCallTaskService;
    @Autowired
    private AutoCallPersonMapper personMapper;
    @Autowired
    private AutoCallConfigMapper configMapper;
    @Autowired
    private AutoCallHelper autoCallHelper;

    private final AtomicBoolean initialized = new AtomicBoolean(false);
    private final ExecutorService executorService = Executors.newCachedThreadPool();

    @EventListener(ApplicationReadyEvent.class)
    public void initialize() throws Exception {
        autoCallHelper.getToken();
        initialized.set(true);
        log.info("AutoCallTaskScheduled初始化完成");
    }

    @Scheduled(cron = "*/3 * * * * ?")
    public void generateTaskLoop() {
        if (configMapper.isScheduled()) {
            autoCallTaskService.step1GenerateTask();
        }
    }

    private static final AtomicBoolean isSubmitting = new AtomicBoolean(false);

    @Scheduled(cron = "*/3 * * * * ?")
    public void submitTaskLoop() {
        if (!isSubmitting.compareAndSet(false, true)) {
            return;
        }
        try {
            if (!initialized.get()) {
                return;
            }
            if (!configMapper.isScheduled()) {
                return;
            }

            try {
                List<AutoCallTask> tasks = autoCallTaskService.getTaskMapper().selectList(
                        new QueryWrapper<AutoCallTask>().eq("status", AutoCallTask.STATUS_GENERATED_AKA_READY_TO_UPLOAD).ne("submit", 1)
                );
                for (AutoCallTask task : tasks) {
                    executorService.submit(new AutoCallTaskThread(task.getId(), autoCallTaskService));
                    log.info("提交任务 taskId={}", task.getId());
                    task.setSubmit(1);
                    autoCallTaskService.getTaskMapper().updateById(task);
                }
            } catch (Exception e) {
                log.error("提交任务时发生异常", e);
            }
        } finally {
            isSubmitting.set(false);
        }
    }

    @PreDestroy
    public void destroy() {
        log.info("正在关闭AutoCallTaskScheduled线程池...");
        executorService.shutdown();
        try {
            if (!executorService.awaitTermination(60, java.util.concurrent.TimeUnit.SECONDS)) {
                executorService.shutdownNow();
            }
        } catch (InterruptedException e) {
            executorService.shutdownNow();
            Thread.currentThread().interrupt();
        }
        log.info("AutoCallTaskScheduled线程池已关闭");
    }

    @AllArgsConstructor
    @Slf4j
    private static class AutoCallTaskThread implements Runnable {
        private Integer taskId;
        private AutoCallTaskService2 autoCallTaskService;

        @Override
        public void run() {
            try {
                List<AutoCallPerson> personList = autoCallTaskService.getPersonMapper().selectList(
                        new QueryWrapper<AutoCallPerson>().eq("task_id", taskId).orderByAsc("level")
                );
                if (personList == null || personList.isEmpty()) {
                    log.warn("任务没有责任人 taskId={}", taskId);
                    return;
                }
                for (AutoCallPerson person : personList) {
                    //任务可以并发了，但是人员没能前一通挂掉后再重呼
                    while (person.getUploadedTimes() < 2) {
                        if (AutoCallPerson.TAG_DONE.equals(person.getTag())) break;
                        //do upload
                        autoCallTaskService.step3UploadAICCTask(person);

                        //fetch status
                        int pendingDuration = 60 * 1000 * 2;
                        int loopGap = 1000;
                        boolean success = false;
                        while (pendingDuration > 0) {
                            try {
                                Thread.sleep(loopGap);
                            } catch (InterruptedException ignore) {
                                Thread.currentThread().interrupt();
                                break;
                            }
                            pendingDuration -= loopGap;

                            success = autoCallTaskService.step4QueryAICCTaskResult(person);
                            if (success) break;
                        }
                        AutoCallPerson _person = autoCallTaskService.getPersonMapper().selectById(person.getId());
                        person = _person;
                        if (!success) {
                            if (person.getUploadedTimes() == 2) {
                                autoCallTaskService.markPersonDetailQueryTimeout(person);
                            }
                        }
                        //重呼等15秒
                        if (AutoCallPerson.TAG_DONE.equals(person.getTag())) break;
                        try {
                            Thread.sleep(15*1000);
                        } catch (InterruptedException ignore) {
                            Thread.currentThread().interrupt();
                            break;
                        }
                    }
                    if (!AutoCallPerson.TAG_DONE.equals(person.getTag())) {
                        autoCallTaskService.cancelPerson(person);
                    }
                }
            } catch (Exception e) {
                log.error("处理任务时发生异常 taskId={}", taskId, e);
                AutoCallTask task = autoCallTaskService.getTaskMapper().selectById(taskId);
                task.setStatus(AutoCallTask.STATUS_CANCELLED);

                List<AutoCallPerson> personList = autoCallTaskService.getPersonMapper().selectList(
                        new QueryWrapper<AutoCallPerson>()
                                .eq("task_id", taskId)
                                .isNull("__remark")
                                .isNull("__tag")
                );
                for (AutoCallPerson person : personList) {
                    person.setStatus(AutoCallPerson.STATUS_CANCELLED);
                    person.setDetailRemark("请人工处置");
                    autoCallTaskService.getPersonMapper().updateById(person);
                }
            }
        }
    }

}