// Copyright 2019 getensh.com. All rights reserved.
// Use of this source code is governed by getensh.com.

package user

import (
	"context"
	"encoding/json"
	"fmt"
	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/logger"
	"git.getensh.com/common/gopkgs/util"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
	"gorm.io/gorm"
	"strings"
	"time"
	"xingjia-management-gateway/apis"
	"xingjia-management-gateway/consts"
	"xingjia-management-gateway/errors"
	"xingjia-management-gateway/impl/v1/operation_log"
	dbmodel "xingjia-management-gateway/model"
)

func checkUserAddParam(req *apis.UserAddRequest) error {
	switch {
	case req.RealName == "":
		return status.Error(10003, "请输入姓名")
	case req.Password == "":
		return status.Error(10003, "请输入密码")
	case req.User == "":
		return status.Error(10003, "请输入账号")
	case req.UserType != consts.UserTypeNormal && req.UserType != consts.UserTypeTemp:
		return status.Error(10003, "不支持的账号类型")
	case req.UserType == consts.UserTypeTemp && (req.EffectiveStart < 1 || req.EffectiveEnd < 1 || req.EffectiveStart > req.EffectiveEnd):
		return status.Error(10003, "临时账号请输入有效时间")
	case req.SelfId == 0:
		return status.Error(10003, "未知操作者")
	}
	return nil
}

func checkAdmin(selfId int64) error {
	p := &dbmodel.TUser{}
	where := map[string]interface{}{
		"id": selfId,
	}
	err := p.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return errors.DataBaseError
	}
	if p.ID == 0 {
		return errors.ErrRecordNotFound
	}
	if p.UserType != consts.UserTypeSuper {
		return errors.PermissionError
	}
	return nil
}

func getUserContent(p dbmodel.TUser) string {
	userType := "普通账号"
	effectiveStart := "-"
	effectiveEnd := "-"
	if p.UserType == consts.UserTypeTemp {
		userType = "临时账号"
		effectiveStart = fmt.Sprintf("%d", time.Unix(p.EffectiveStart, 0))
		effectiveEnd = fmt.Sprintf("%d", time.Unix(p.EffectiveEnd, 0))
	}
	m := map[string]interface{}{
		"账号名":    p.User,
		"姓名":     p.RealName,
		"账号类型":   userType,
		"有效开始时间": effectiveStart,
		"有效结束时间": effectiveEnd,
	}
	bytes, _ := json.Marshal(m)
	return string(bytes)
}

//
func UserAdd(ctx context.Context, req *apis.UserAddRequest) (reply *apis.UserAddReply, err error) {

	reply = &apis.UserAddReply{}

	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()

	if err = checkUserAddParam(req); err != nil {
		return nil, err
	}
	if err = checkAdmin(req.SelfId); err != nil {
		return nil, err
	}

	now := time.Now()
	passwd, _ := util.GetMd5Pass(req.Password, consts.CRYPTO_KEY)

	p := &dbmodel.TUser{
		User:           req.User,
		Password:       passwd,
		EffectiveStart: req.EffectiveStart,
		EffectiveEnd:   req.EffectiveEnd,
		UserType:       req.UserType,
		CreatedAt:      now,
		UpdatedAt:      now,
		RealName:       req.RealName,
	}
	db := database.DB().Begin()
	err = p.Insert(db)
	defer func() {
		if err != nil {
			db.Rollback()
		}
	}()
	if err != nil {
		if strings.Contains(strings.ToLower(err.Error()), "duplicate") {
			return nil, status.Error(10003, "账号名已存在，请使用其他账号名 或 删除同名账号")
		}
		return nil, errors.DataBaseError
	}
	reply.Uid = p.ID

	// 操作日志
	content := getUserContent(*p)
	logReq := &apis.OperationLogAddRequest{
		OriginContent: "",
		TargetContent: content,
		Uid:           req.SelfId,
		User:          req.SelfName,
		Module:        consts.OperationModuleAccount,
		OperationTime: now.Unix(),
		Operation:     consts.OperationActionUserAdd,
	}
	err = operation_log.OperationLogAddHandle(logReq, db)
	if err != nil {
		return nil, err
	}
	db.Commit()

	return reply, nil
}