package models

import (
	"encoding/json"
	"github.com/TeaOSLab/EdgeAPI/internal/errors"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	_ "github.com/go-sql-driver/mysql"
	"github.com/iwind/TeaGo/Tea"
	"github.com/iwind/TeaGo/dbs"
	timeutil "github.com/iwind/TeaGo/utils/time"
	"strings"
	"time"
)

type HTTPAccessLogDAO dbs.DAO

var SharedHTTPAccessLogDAO = NewHTTPAccessLogDAO()

func NewHTTPAccessLogDAO() *HTTPAccessLogDAO {
	return dbs.NewDAO(&HTTPAccessLogDAO{
		DAOObject: dbs.DAOObject{
			DB:     Tea.Env,
			Table:  "edgeHTTPAccessLogs",
			Model:  new(HTTPAccessLog),
			PkName: "id",
		},
	}).(*HTTPAccessLogDAO)
}

// 创建访问日志
func CreateHTTPAccessLogs(accessLogs []*pb.HTTPAccessLog) error {
	dao := randomAccessLogDAO()
	if dao == nil {
		dao = SharedHTTPAccessLogDAO
	}
	return CreateHTTPAccessLogsWithDAO(dao, accessLogs)
}

// 使用特定的DAO创建访问日志
func CreateHTTPAccessLogsWithDAO(dao *HTTPAccessLogDAO, accessLogs []*pb.HTTPAccessLog) error {
	if dao == nil {
		return errors.New("dao should not be nil")
	}
	if len(accessLogs) == 0 {
		return nil
	}

	// TODO 改成事务批量提交，以加快速度

	for _, accessLog := range accessLogs {
		day := timeutil.Format("Ymd", time.Unix(accessLog.Timestamp, 0))
		table, err := findAccessLogTable(dao.Instance, day, false)
		if err != nil {
			return err
		}

		fields := map[string]interface{}{}
		fields["serverId"] = accessLog.ServerId
		fields["nodeId"] = accessLog.NodeId
		fields["status"] = accessLog.Status
		fields["createdAt"] = accessLog.Timestamp
		fields["day"] = day

		content, err := json.Marshal(accessLog)
		if err != nil {
			return err
		}
		fields["content"] = content

		_, err = dao.Query().
			Table(table).
			Sets(fields).
			Insert()
		if err != nil {
			// 是否为 Error 1146: Table 'xxx.xxx' doesn't exist  如果是，则创建表之后重试
			if strings.Contains(err.Error(), "1146") {
				table, err = findAccessLogTable(dao.Instance, day, true)
				if err != nil {
					return err
				}
				_, err = dao.Query().
					Table(table).
					Sets(fields).
					Insert()
				if err != nil {
					return err
				}
			}
		}
	}

	return nil
}