package repository

import (
	"strings"
	"time"

	"be.ems/src/framework/database/db"
	"be.ems/src/framework/logger"
	"be.ems/src/modules/ne_data/model"
)

// 实例化数据层 Alarm 结构体
var NewAlarm = &Alarm{}

// Alarm 告警 数据层处理
type Alarm struct{}

// SelectByPage 分页查询集合
func (r Alarm) SelectByPage(query model.AlarmQuery) ([]model.Alarm, int64) {
	tx := db.DB("").Model(&model.Alarm{})
	// 查询条件拼接
	if query.NeType != "" {
		tx = tx.Where("ne_type = ?", query.NeType)
	}
	if query.NeUID != "" {
		tx = tx.Where("ne_uid = ?", query.NeUID)
	}
	if query.CoreUID != "" {
		tx = tx.Where("core_uid = ?", query.CoreUID)
	}
	if query.AlarmCode != "" {
		tx = tx.Where("alarm_code = ?", query.AlarmCode)
	}
	if query.AlarmType != "" {
		tx = tx.Where("alarm_type in (?)", strings.Split(query.AlarmType, ","))
	}
	if query.AlarmStatus != "" {
		tx = tx.Where("alarm_status = ?", query.AlarmStatus)
	}
	if query.OrigSeverity != "" {
		tx = tx.Where("orig_severity in (?)", strings.Split(query.OrigSeverity, ","))
	}

	if query.BeginTime != 0 {
		tx = tx.Where("event_time >= ?", query.BeginTime)
	}
	if query.EndTime != 0 {
		tx = tx.Where("event_time <= ?", query.EndTime)
	}

	// 查询结果
	var total int64 = 0
	rows := []model.Alarm{}

	// 查询数量为0直接返回
	if err := tx.Count(&total).Error; err != nil || total <= 0 {
		return rows, total
	}

	// 排序
	if query.SortField != "" {
		sortField := query.SortField
		if query.SortOrder == "desc" {
			sortField = sortField + " desc"
		}
		tx = tx.Order(sortField)
	}

	// 查询数据分页
	pageNum, pageSize := db.PageNumSize(query.PageNum, query.PageSize)
	tx = tx.Limit(pageSize).Offset(pageSize * pageNum)
	err := tx.Find(&rows).Error
	if err != nil {
		logger.Errorf("query find err => %v", err.Error())
		return rows, total
	}
	return rows, total
}

// Select 查询集合
func (r Alarm) Select(param model.Alarm) []model.Alarm {
	tx := db.DB("").Model(&model.Alarm{})
	// 查询条件拼接
	if param.NeType != "" {
		tx = tx.Where("ne_type = ?", param.NeType)
	}
	if param.NeUID != "" {
		tx = tx.Where("ne_uid = ?", param.NeUID)
	}
	if param.CoreUID != "" {
		tx = tx.Where("core_uid = ?", param.CoreUID)
	}
	if param.AlarmCode > 0 {
		tx = tx.Where("alarm_code = ?", param.AlarmCode)
	}
	if param.AlarmType != "" {
		tx = tx.Where("alarm_type = ?", param.AlarmType)
	}
	if param.AlarmId != "" {
		tx = tx.Where("alarm_id = ?", param.AlarmId)
	}
	if param.OrigSeverity != "" {
		eventTypes := strings.Split(param.OrigSeverity, ",")
		tx = tx.Where("orig_severity in (%s)", eventTypes)
	}

	// 查询数据
	rows := []model.Alarm{}
	if err := tx.Find(&rows).Error; err != nil {
		logger.Errorf("query find err => %v", err.Error())
		return rows
	}
	return rows
}

// SelectByIds 通过ID查询
func (r Alarm) SelectByIds(ids []int64) []model.Alarm {
	rows := []model.Alarm{}
	if len(ids) <= 0 {
		return rows
	}
	tx := db.DB("").Model(&model.Alarm{})
	// 构建查询条件
	tx = tx.Where("id in ?", ids)
	// 查询数据
	if err := tx.Find(&rows).Error; err != nil {
		logger.Errorf("query find err => %v", err.Error())
		return rows
	}
	return rows
}

// Insert 新增信息 返回新增数据ID
func (r Alarm) Insert(param model.Alarm) int64 {
	if param.CreatedAt == 0 {
		param.CreatedAt = time.Now().UnixMilli()
	}
	// 执行插入
	if err := db.DB("").Create(&param).Error; err != nil {
		logger.Errorf("insert err => %v", err.Error())
		return 0
	}
	return param.ID
}

// Update 修改信息 返回受影响的行数
func (r Alarm) Update(param model.Alarm) int64 {
	if param.ID <= 0 {
		return 0
	}
	tx := db.DB("").Model(&model.Alarm{})
	// 构建查询条件
	tx = tx.Where("id = ?", param.ID)
	tx = tx.Omit("id", "created_at")
	// 执行更新
	if err := tx.Updates(param).Error; err != nil {
		logger.Errorf("update err => %v", err.Error())
		return 0
	}
	return tx.RowsAffected
}

// DeleteByIds 批量删除信息
func (r Alarm) DeleteByIds(ids []int64) int64 {
	if len(ids) <= 0 {
		return 0
	}
	tx := db.DB("").Where("id in ?", ids)
	if err := tx.Delete(&model.Alarm{}).Error; err != nil {
		logger.Errorf("delete err => %v", err.Error())
		return 0
	}
	return tx.RowsAffected
}

// SelectAlarmSeqLast 查询网元告警最后一条序号
func (r Alarm) SelectAlarmSeqLast(coreUid, neUid string) int64 {
	tx := db.DB("").Model(&model.Alarm{})
	tx = tx.Where("core_uid=? and ne_uid=?", coreUid, neUid)
	tx = tx.Select("alarm_seq").Order("alarm_seq DESC")
	// 查询数据
	var alarmSeq int64 = 0
	if err := tx.Limit(1).Find(&alarmSeq).Error; err != nil {
		logger.Errorf("query find err => %v", err.Error())
		return alarmSeq
	}
	return alarmSeq
}

// GroupTotal 分组统计
func (r Alarm) GroupTotal(coreUid, alarmStatus string, group string, limit int) []map[string]any {
	tx := db.DB("").Model(&model.Alarm{})
	tx = tx.Select("count(*) as total", group)
	tx = tx.Where("core_uid=? and alarm_status=? ", coreUid, alarmStatus)
	tx = tx.Group(group).Order("total DESC")
	// 查询数据
	var rows []map[string]any = make([]map[string]any, 0)
	if limit > 0 {
		tx = tx.Limit(limit)
	}
	if err := tx.Find(&rows).Error; err != nil {
		logger.Errorf("query find err => %v", err.Error())
		return rows
	}
	return rows
}