package fwhQueue

import (
	"context"
	"encoding/json"
	"fmt"
	"fwh-toolbox-server/domain"
	"fwh-toolbox-server/jobs"
	"fwh-toolbox-server/repositories"

	"github.com/hibiken/asynq"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.uber.org/zap"
)

// handleShutdownStatistics 是 Shutdown 统计任务的 Asynq handler
func handleShutdownStatistics(ctx context.Context, task *asynq.Task) error {
	var payload domain.TaskShutdownStatistics
	if err := json.Unmarshal(task.Payload(), &payload); err != nil {
		return fmt.Errorf("unmarshal ShutdownStatistics payload: %w", err)
	}

	zap.L().Info("[ShutdownStats] 开始执行", zap.String("date", payload.Date))

	err := executeShutdownStatistics(ctx, payload)
	if err != nil {
		zap.L().Error("[ShutdownStats] 任务执行失败", zap.String("date", payload.Date), zap.String("err", err.Error()))
		return nil // 业务错误不重试
	}

	zap.L().Info("[ShutdownStats] 任务执行成功", zap.String("date", payload.Date))
	return nil
}

// executeShutdownStatistics 执行 Shutdown 统计
func executeShutdownStatistics(ctx context.Context, payload domain.TaskShutdownStatistics) error {
	records, err := repositories.QuerySiteShutdownList(payload.Date, 0)
	if err != nil {
		return fmt.Errorf("查询 Shutdown 列表失败: %w", err)
	}

	// 分析 Shutdown 统计数据
	err = jobs.StatisticsShutdown(payload.Date, records, analysisShutdownSiteForNew)
	if err != nil {
		return fmt.Errorf("Shutdown 统计分析失败(date=%s): %w", payload.Date, err)
	}

	return nil
}

// analysisShutdownSiteForNew 为 Shutdown 统计触发站点分析
// 复用原有逻辑，通过新队列入队
func analysisShutdownSiteForNew(sn string, date string) (*primitive.ObjectID, error) {
	// 读取已完成或正在进行的站点分析
	queryTimePeriod := [2]string{date, date}
	queryTrigger := domain.TriggerAuto
	res, err := repositories.GetSiteAnalysisManageList(1, 1000, &sn, &queryTimePeriod, nil, &queryTrigger)
	if err != nil {
		return nil, err
	}
	if res == nil {
		return nil, fmt.Errorf("GetSiteAnalysisManageList 查询结果为空")
	}

	if len(res.Data) > 0 {
		return &res.Data[0].Id, nil
	}

	// 创建新的分析任务
	writeConfig := domain.SiteAnalysisConfigWrite{
		Sn:          sn,
		Description: fmt.Sprintf("Shutdown站点分析 %s", date),
		TimePeriod:  [2]string{date, date},
		Options: domain.SiteAnalysisOptions{
			EnableTimeline: true,
			EnableRuntime:  true,
		},
	}

	id, err := repositories.InsertSiteAnalysisConfig(writeConfig, true)
	if err != nil {
		return nil, err
	}

	// 通过新队列入队站点分析任务
	EnqueueSiteAnalysisTask(domain.TaskSiteAnalysis{
		Id:         id,
		Sn:         writeConfig.Sn,
		TimePeriod: writeConfig.TimePeriod,
		Options:    writeConfig.Options,
	})

	return &id, nil
}