package repo

import (
	"strings"

	"ems.agt/lib/core/datasource"
	"ems.agt/lib/core/utils/date"
	"ems.agt/lib/core/utils/parse"
	"ems.agt/lib/log"
)

// 实例化数据层 RepoUdmUser 结构体
var NewRepoUdmUser = &RepoUdmUser{
	selectSql: `select 
	dict_id, dict_name, dict_type, status, create_by, create_time, remark 
	from sys_dict_type`,

	resultMap: map[string]string{
		"dict_id":     "DictID",
		"dict_name":   "DictName",
		"dict_type":   "DictType",
		"remark":      "Remark",
		"status":      "Status",
		"create_by":   "CreateBy",
		"create_time": "CreateTime",
		"update_by":   "UpdateBy",
		"update_time": "UpdateTime",
	},
}

// RepoUdmUser 字典类型表 数据层处理
type RepoUdmUser 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 *RepoUdmUser) convertResultRows(rows []map[string]any) []any {
	arr := make([]any, 0)
	for _, row := range rows {
		UdmUser := []any{}
		for key, value := range row {
			if keyMapper, ok := r.resultMap[key]; ok {
				datasource.SetFieldValue(&UdmUser, keyMapper, value)
			}
		}
		arr = append(arr, UdmUser)
	}
	return arr
}

// SelectDictTypePage 根据条件分页查询字典类型
func (r *RepoUdmUser) SelectDictTypePage(query map[string]any) map[string]any {
	// 查询条件拼接
	var conditions []string
	var params []any
	if v, ok := query["dictName"]; ok && v != "" {
		conditions = append(conditions, "dict_name like concat(?, '%')")
		params = append(params, v)
	}
	if v, ok := query["dictType"]; ok && v != "" {
		conditions = append(conditions, "dict_type like concat(?, '%')")
		params = append(params, v)
	}
	if v, ok := query["status"]; ok && v != "" {
		conditions = append(conditions, "status = ?")
		params = append(params, v)
	}
	beginTime, ok := query["beginTime"]
	if !ok {
		beginTime, ok = query["params[beginTime]"]
	}
	if ok && beginTime != "" {
		conditions = append(conditions, "create_time >= ?")
		beginDate := date.ParseStrToDate(beginTime.(string), date.YYYY_MM_DD)
		params = append(params, beginDate.UnixMilli())
	}
	endTime, ok := query["endTime"]
	if !ok {
		endTime, ok = query["params[endTime]"]
	}
	if ok && endTime != "" {
		conditions = append(conditions, "create_time <= ?")
		endDate := date.ParseStrToDate(endTime.(string), date.YYYY_MM_DD)
		params = append(params, endDate.UnixMilli())
	}

	// 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 sys_dict_type"
	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,
	}
}