package base_api

import (
	"context"
	"gd_management/apis"
	"gd_management/errors"
	"gd_management/impl/pubsub"
	"gd_management/rpc_apis"
	"gd_management/rpc_apis/gd_access_log"
	"encoding/json"
	"fmt"
	"strings"
	"time"

	"gd_management/common.in/storage"
	"gd_management/common.in/utils"
	"github.com/astaxie/beego/orm"
	"go.uber.org/zap"
)

type UpdateParams struct {
	RequestParam      string
	ResponseParam     string
	Id                int64
	MerchantDataApiId int64
	ReqList           []apis.ManagementBaseApiParam
	RespList          []apis.ManagementBaseApiParam

	NewReqList  []apis.ManagementBaseApiParam
	NewRespList []apis.ManagementBaseApiParam
}

func updateBaseApiReqToDBStruct(req *apis.ManagementUpdateBaseApiReq) (*apis.TGdApi, string, string, string, string, error) {
	paramPreProcess(&req.BaseApiInfo)
	reqParam, err := json.Marshal(req.BaseApiInfo.RequestParam)
	if err != nil {
		return nil, "", "", "", "", err
	}
	resParam, err := json.Marshal(req.BaseApiInfo.ResponseParam)
	if err != nil {
		return nil, "", "", "", "", err
	}
	errids := ""
	for _, id := range req.BaseApiInfo.ErrorCode {
		if errids == "" {
			errids = fmt.Sprintf("%d", id)
		} else {
			errids = errids + "," + fmt.Sprintf("%d", id)
		}
	}
	now := time.Now().Format("2006-01-02 15:04:05")
	ret := apis.TGdApi{}
	err = orm.NewOrm().QueryTable("t_gd_api").Filter("id", req.ApiId).One(&ret)
	if err != nil {
		return &ret, "", "", "", "", errors.DataBaseError
	}
	oldRouter := ret.Router
	oldMethod := ret.Method
	oldName := ret.Name
	ret.Id = req.ApiId
	ret.ApiType = req.BaseApiInfo.Type
	ret.Method = strings.ToUpper(req.BaseApiInfo.Method)
	ret.Router = req.BaseApiInfo.Router
	ret.Name = req.BaseApiInfo.Name
	ret.ErrorCodeIds = errids
	ret.RequestParam = string(reqParam)
	ret.ResponseParam = string(resParam)
	ret.UpdateTime = now
	ret.Comment = req.BaseApiInfo.Comment
	if strings.HasPrefix(ret.Router, "/") == false {
		ret.Router = fmt.Sprintf("/%s", ret.Router)
	}
	return &ret, oldName, ret.Name, oldRouter, oldMethod, nil
}

func getNewParamList(dst []apis.ManagementBaseApiParam, src []apis.ManagementBaseApiParam) (ret []apis.ManagementBaseApiParam) {
	for _, s := range src {
		exist := false
		for _, d := range dst {
			if s.Name == d.Name {
				exist = true
				item := d
				if s.Type != d.Type {
					item.Type = s.Type
				}
				if s.Mean != d.Mean {
					item.Mean = s.Mean
				}
				if s.Example != d.Example {
					item.Example = s.Example
				}
				item.Child = getNewParamList(d.Child, s.Child)
				ret = append(ret, item)
				break
			}
		}
		if exist == false {
			s.Selected = false
			ret = append(ret, s)
		}
	}
	return ret
}

func getUpdateParams(reqList []apis.ManagementBaseApiParam, respList []apis.ManagementBaseApiParam, updateParams []UpdateParams) []UpdateParams {
	for i, v := range updateParams {
		json.Unmarshal([]byte(v.RequestParam), &updateParams[i].ReqList)
		json.Unmarshal([]byte(v.ResponseParam), &updateParams[i].RespList)
		updateParams[i].NewReqList = getNewParamList(updateParams[i].ReqList, reqList)
		updateParams[i].NewRespList = getNewParamList(updateParams[i].RespList, respList)
		bytes, _ := json.Marshal(updateParams[i].NewReqList)
		updateParams[i].RequestParam = string(bytes)
		bytes, _ = json.Marshal(updateParams[i].NewRespList)
		updateParams[i].ResponseParam = string(bytes)
	}
	return updateParams
}
func updateChildDataApi(o orm.Ormer, req *apis.ManagementUpdateBaseApiReq, timeNow string) error {
	var updateParams []UpdateParams
	_, err := o.Raw("select request_param ,response_param ,id from t_gd_child_data_api where api_id = ?", req.ApiId).QueryRows(&updateParams)
	if err != nil && err != orm.ErrNoRows {
		return errors.DataBaseError
	}
	updateParams = getUpdateParams(req.BaseApiInfo.RequestParam, req.BaseApiInfo.ResponseParam, updateParams)

	for _, v := range updateParams {
		_, err := o.Raw("update t_gd_child_data_api set request_param = ? ,response_param = ?,update_time = ? where id = ?", v.RequestParam, v.ResponseParam, timeNow, v.Id).Exec()
		if err != nil {
			fmt.Printf("database err:%v\n", err)
			return errors.DataBaseError
		}
	}
	return nil
}

func updateMerchantChildDataApi(o orm.Ormer, req *apis.ManagementUpdateBaseApiReq, timeNow string) ([]UpdateParams, error) {
	var updateParams []UpdateParams
	_, err := o.Raw("select request_param ,response_param ,id, merchant_data_api_id from t_gd_merchant_child_data_api where api_id = ?", req.ApiId).QueryRows(&updateParams)
	if err != nil && err != orm.ErrNoRows {
		return updateParams, errors.DataBaseError
	}
	updateParams = getUpdateParams(req.BaseApiInfo.RequestParam, req.BaseApiInfo.ResponseParam, updateParams)

	for _, v := range updateParams {
		_, err := o.Raw("update t_gd_merchant_child_data_api set request_param = ? ,response_param = ?,update_time = ? where id = ?", v.RequestParam, v.ResponseParam, timeNow, v.Id).Exec()
		if err != nil {
			fmt.Printf("database err:%v\n", err)
			return updateParams, errors.DataBaseError
		}
	}
	return updateParams, nil
}

func updateBaseApi(req *apis.ManagementUpdateBaseApiReq) error {
	dbstruct, oldName, newName, oldRouter, oldMethod, err := updateBaseApiReqToDBStruct(req)
	if err != nil {
		return errors.ArgsError
	}
	task := func(o orm.Ormer) error {
		requestParam := ""
		responseParam := ""

		o.Raw("select request_param , response_param from t_gd_api where id =?", req.ApiId).QueryRow(&requestParam, &responseParam)
		_, err = o.Update(dbstruct, "name", "method", "api_type", "router", "error_code_ids", "request_param", "response_param", "comment", "update_time")
		if err != nil {
			fmt.Printf("database err:%v\n", err)
			return errors.DataBaseError
		}
		updateParams := []UpdateParams{}
		if requestParam != dbstruct.RequestParam || responseParam != dbstruct.ResponseParam {
			err := updateChildDataApi(o, req, dbstruct.UpdateTime)
			if err != nil {
				return errors.DataBaseError
			}
			updateParams, err = updateMerchantChildDataApi(o, req, dbstruct.UpdateTime)
			if err != nil {
				return errors.DataBaseError
			}
		}
		if oldName != newName && newName != "" {
			if err := pubsub.PublishNameNotify("api_id", dbstruct.Id, 0); err != nil {
				return err
			}
			dreq := gd_access_log.LogUpdateApiNameReq{
				Type: 0,
				Name: newName,
				Id:   dbstruct.Id,
			}
			go func() error {
				_, err := rpc_apis.AccessLog.LogUpdateApiName(context.Background(), &dreq)
				return err
			}()
		}

		err = utils.RedisSet("t_gd_api", dbstruct.Method+"-"+dbstruct.Router, dbstruct)
		if err != nil {
			return errors.DataBaseError
		}

		if err := pubsub.PublishApiNotify(req.ApiId, oldRouter, oldMethod); err != nil {
			return err
		}
		for _, p := range updateParams {

			if err := pubsub.PublishMerchantApiNotify(p.MerchantDataApiId, 0, 0, 0); err != nil {
				return err
			}
		}
		return nil
	}
	tasks := []storage.DbaTasker{}
	tasks = append(tasks, storage.GenerateDbaTask(task))
	storage.ExecTrans(tasks...)
	return nil
}

func ManagementUpdateBaseApi(ctx context.Context, req *apis.ManagementUpdateBaseApiReq, reply *apis.ManagementUpdateBaseApiReply) (err error) {

	err = updateBaseApi(req)
	if err != nil {
		l.Error("func",
			zap.String("call", "ManagementUpdateBaseApi"),
			zap.String("args", utils.MarshalJsonString(req)),
			zap.String("error", err.Error()))
	}
	reply.ApiId = req.ApiId

	l.Debug(utils.MarshalJsonString(req, reply))

	return
}