package repo

import (
	"strings"

	"ems.agt/features/udm_user/model"
	"ems.agt/lib/core/datasource"
	"ems.agt/lib/core/utils/parse"
	"ems.agt/lib/log"
)

// 实例化数据层 RepoUdmAuthUser 结构体
var NewRepoUdmAuthUser = &RepoUdmAuthUser{
	selectSql: `select 
	id, msisdn, imsi, amf, status, ki, algo_index, opc, ne_id 
	from u_auth_user`,

	resultMap: map[string]string{
		"id":         "ID",
		"msisdn":     "Msisdn",
		"imsi":       "Imsi",
		"amf":        "Amf",
		"status":     "Status",
		"ki":         "Ki",
		"algo_index": "AlgoLndex",
		"opc":        "Opc",
		"ne_id":      "NeID",
	},
}

// RepoUdmAuthUser UDM鉴权用户 数据层处理
type RepoUdmAuthUser struct {
	// 查询视图对象SQL
	selectSql string
	// 结果字段与实体映射
	resultMap map[string]string
}

// convertResultRows 将结果记录转实体结果组
func (r *RepoUdmAuthUser) convertResultRows(rows []map[string]any) []model.UdmAuthUser {
	arr := make([]model.UdmAuthUser, 0)
	for _, row := range rows {
		UdmUser := model.UdmAuthUser{}
		for key, value := range row {
			if keyMapper, ok := r.resultMap[key]; ok {
				datasource.SetFieldValue(&UdmUser, keyMapper, value)
			}
		}
		arr = append(arr, UdmUser)
	}
	return arr
}

// SelectPage 根据条件分页查询
func (r *RepoUdmAuthUser) SelectPage(query map[string]any) map[string]any {
	// 查询条件拼接
	var conditions []string
	var params []any
	if v, ok := query["msisdn"]; ok && v != "" {
		conditions = append(conditions, "msisdn like concat(?, '%')")
		params = append(params, v)
	}
	if v, ok := query["neId"]; ok && v != "" {
		conditions = append(conditions, "ne_id = ?")
		params = append(params, v)
	}

	// 构建查询条件语句
	whereSql := ""
	if len(conditions) > 0 {
		whereSql += " where " + strings.Join(conditions, " and ")
	}

	// 查询数量 长度为0直接返回
	totalSql := "select count(1) as 'total' from u_auth_user"
	totalRows, err := datasource.RawDB("", totalSql+whereSql, params)
	if err != nil {
		log.Errorf("total err => %v", err)
	}
	total := parse.Number(totalRows[0]["total"])
	if total == 0 {
		return map[string]any{
			"total": total,
			"rows":  nil,
		}
	}

	// 分页
	pageNum, pageSize := datasource.PageNumSize(query["pageNum"], query["pageSize"])
	pageSql := " limit ?,? "
	params = append(params, pageNum*pageSize)
	params = append(params, pageSize)

	// 查询数据
	querySql := r.selectSql + whereSql + pageSql
	results, err := datasource.RawDB("", querySql, params)
	if err != nil {
		log.Errorf("query err => %v", err)
	}

	// 转换实体
	rows := r.convertResultRows(results)
	return map[string]any{
		"total": total,
		"rows":  rows,
	}
}

// SelectList 根据实体查询
func (r *RepoUdmAuthUser) SelectList(auth model.UdmAuthUser) []model.UdmAuthUser {
	// 查询条件拼接
	var conditions []string
	var params []any
	if auth.Imsi != "" {
		conditions = append(conditions, "msisdn like concat(?, '%')")
		params = append(params, auth.Imsi)
	}
	if auth.NeID != "" {
		conditions = append(conditions, "ne_id = ?")
		params = append(params, auth.NeID)
	}

	// 构建查询条件语句
	whereSql := ""
	if len(conditions) > 0 {
		whereSql += " where " + strings.Join(conditions, " and ")
	}

	// 查询数据
	querySql := r.selectSql + whereSql
	results, err := datasource.RawDB("", querySql, params)
	if err != nil {
		log.Errorf("query err => %v", err)
	}

	// 转换实体
	return r.convertResultRows(results)
}

// Insert 清空ne_id后新增实体
func (r *RepoUdmAuthUser) Inserts(neID string, authArr []model.UdmAuthUser) int64 {
	var num int64 = 0

	// 清空指定ne_id
	_, err := datasource.ExecDB("", "DELETE FROM u_auth_user WHERE ne_id = ?", []any{neID})
	if err != nil {
		log.Errorf("TRUNCATE err => %v", err)
		return num
	}

	for _, u := range authArr {
		u.NeID = neID
		results, err := datasource.DefaultDB().Table("u_auth_user").Insert(u)
		if err != nil {
			return num
		}
		num += results
	}
	return num
}