package models

import (
	"errors"
	"fmt"
	"strconv"
	"strings"
	"time"

	"model-engine/db"
	"model-engine/pkg/logger"
	"model-engine/service"
)

type RegularityModel struct {
	OrgIds        []interface{} `json:"-"`
	AreaIds       []interface{} `json:"-"`
	IdentityType  []string      // 人员身份类型 陌生人, 访客, 住户
	KeyPersonType string        // 重点人员类型
	PersonLabel   string        // 人员身份标签
	Task          *db.ModelTask
	AlarmType     db.AlarmType // 预警方式

	Appearances   int    // 出现次数
	Duration      int    // 时间范围, 单位天
	LastDirection string // 最后一次出行的方向
	StartHour     int    // 开始计算的时间 配置为小时 23 - 02 表示第一天23点 - 第二天的2点
	EndHour       int    // 结束时间
}

func (m *RegularityModel) Init(task *db.ModelTask) error {
	if len(task.DomainUnitIds) == 0 {
		return errors.New("empty domain set")
	}
	orgIds, areaIds, err := service.GetOrgIdsAndAreaIdsByDomainUnitIds(task.DomainUnitIds)
	if err != nil {
		return err
	}

	m.Task = task
	m.OrgIds = orgIds
	m.AreaIds = areaIds
	m.AlarmType = task.AlarmType
	m.KeyPersonType = task.PersonType
	m.PersonLabel = task.PersonLabel
	m.LastDirection = "out"
	if task.IdentityType != "" {
		for _, t := range strings.Split(task.IdentityType, ",") {
			if t == "all" {
				m.IdentityType = []string{"stranger", "visitor", "resident"}
				break
			} else {
				m.IdentityType = append(m.IdentityType, t)
			}
		}
	} else {
		m.IdentityType = []string{"stranger", "visitor", "resident"}
	}

	for _, v := range task.Rules {
		if v.Alias == "timeRange" {
			if val, ok := v.Value.(string); ok {
				ages := strings.Split(val, ",")
				m.StartHour, _ = strconv.Atoi(ages[0])
				m.EndHour, _ = strconv.Atoi(ages[1])
			}
		}

		if v.Alias == "appearances" {
			if val, ok := v.Value.(float64); ok {
				m.Appearances = int(val)
			}
		}

		if v.Alias == "duration" {
			if val, ok := v.Value.(float64); ok {
				m.Duration = int(val)
			}
		}

		if v.Alias == "direction" {
			if val, ok := v.Value.(string); ok {
				m.LastDirection = val
			}
		}
	}

	// 默认计算30天的数据
	if m.Duration == 0 {
		m.Duration = 30
	}

	if m.StartHour == 0 || m.EndHour == 0 {
		return fmt.Errorf("task id:%s, %s timeRange Time range setting error. %+v", task.ID, task.Name, task.Rules)
	}

	logger.Debugf("LocationModel init finish ...task id:%s, name:%s, rule:%+v", task.ID, task.Name, m)

	return nil
}

func (m *RegularityModel) Run() error {
	results := make([]*db.ModelTaskResults, 0)
	baseFilter := make([]PersonInfo, 0)

	// 查找指定时间范围内出行过的档案编号
	now := time.Now()
	startDate := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, -m.Duration).Unix()
	err := db.GetDB().Raw(`
		SELECT
			document_number,
			frequent_address,
		FROM
			snapshot_count_summary
		WHERE
			last_appearance_time > ? "" 
			AND (p.community_id IN ?
			OR p.org_id IN ?)
			AND p.status IN ?
		`, startDate, m.AreaIds, m.OrgIds, m.IdentityType).Scan(&baseFilter).Error
	if err != nil {
		logger.Warnf(err.Error())
	}

	for _, p := range baseFilter {
		// 调用es分析此人的出行规律是否符合条件， 返回符合条件的次数和最后一次符合条件的时间

		// 写数据库
		var hitCount int
		result := &db.ModelTaskResults{
			Title:         m.Task.Name,
			Event:         fmt.Sprintf("%s %d次", m.Task.Name, hitCount),
			ModelID:       m.Task.ModelID,
			ModelTaskID:   m.Task.ID,
			CommunityId:   p.CommunityId,
			OrgID:         p.OrgId,
			ObjectIds:     p.DocumentNumber,
			Location:      p.FrequentAddress,
			PicDate:       time.Unix(p.LastAppearanceTime, 0).Format("2006-01-02 15:04:05"),
			FirstPersonID: p.DocumentNumber,
		}

		results = append(results, result)
	}

	logger.Debugf("task %s last filter result %d", m.Task.Name, len(results))
	return service.SaveTaskResults(results)
}

func (m *RegularityModel) KeepAlive() error {
	db.GetDB().Model(m.Task).Where("id = ?", m.Task.ID).Update("last_run_time", time.Now())
	return nil
}

func (m *RegularityModel) Shutdown() error {
	// 清理资源
	fmt.Println("Shutting down LocationModel Model")
	return nil
}

func (m *RegularityModel) eventFormat() string {
	return ""
}