package ProtoController

import (
	"bytes"
	"dsAutoCode/Dao/CommonDao"
	"dsAutoCode/Dao/ProtoDao"
	"dsAutoCode/Model"
	"dsAutoCode/Utils/CommonUtil"
	"dsAutoCode/Utils/ConfigUtil"
	"dsAutoCode/Utils/DbUtil"
	"dsAutoCode/Utils/FileUtil"
	"github.com/gin-gonic/gin"
	"html/template"
	"log"
	"net/http"
	"os"
	"strings"
)

/**
功能：为rpc层创建目录及文件
作者：黄海
时间：2020-04-23
*/
func CreateRpcFiles(c *gin.Context) {
	var tableName string
	interfaceId := c.Query("interfaceId")
	type Result struct {
		Num     int
		Item    string
		Success bool
		Message string
	}
	var ListResult []Result
	//操作类型
	tableName = ProtoDao.GetTrueTableNameFromInterfaceId(interfaceId)
	tableName = strings.Replace(tableName, ".pb.go", "", -1)
	//还原真实映射表名
	realTableName := CommonUtil.ConvertTrueTableName(tableName)
	//主键名称
	pk, dataType := CommonDao.GetTablePk(realTableName)
	pkView := CommonUtil.GetSnakeCaseStr(pk)
	//实体赋值
	var modelFill = GetAllFieldsByTableName(realTableName, []string{"last_updated_time"})

	//1、Service目录是否存在？
	workingPath := CommonUtil.GetCurrentParentPath() + "\\dsBaseRpc\\RpcService\\#tableName#\\#tableName#Service"
	workingPath = strings.Replace(workingPath, "#tableName#", tableName, -1)
	exists, _ := CommonUtil.PathExists(workingPath)
	if !exists {
		os.MkdirAll(workingPath, os.ModePerm)
		//创建Service文件
		fi := workingPath + "\\" + tableName + "Service.go"

		//调用模板,
		filesName := CommonUtil.GetCurrentDirectory()+"/Controller/ProtoController/Template/RpcServiceFramework.template"
		t, err := template.ParseFiles(filesName)
		if err != nil {
			log.Fatalln("parse file err:", err)
			return
		}
		buf := new(bytes.Buffer)
		var s1 string
		//是否需要进行整数转换
		if strings.Index(dataType, "int") >= 0 {
			s1 = "{CommonUtil.ConvertInt32ToString(in." + pkView + ")}"
		} else {
			s1 = "{in."+pkView+"}"
		}
		var p = map[string]interface{}{
			"tableName":     tableName,
			"realTableName": realTableName,
			"pkView":        pkView,
			"modelFill":     modelFill,
			"s1":            s1,
		}
		if err := t.Execute(buf, p); err != nil {
			log.Fatal("There was an error:", err.Error())
		}
		var content = buf.String()
		content = CommonUtil.DeleteBlankString(content)
		//写入文件
		FileUtil.WriteFileContent(fi, content)
		//格式化文件
		CommonUtil.Exec("go", "fmt", fi)

		var r Result
		r.Item = "创建RpcService目录"
		r.Message = "创建成功！"
		r.Num = 1
		r.Success = true
		ListResult = append(ListResult, r)
	} else {
		var r Result
		r.Item = "创建RpcService目录"
		r.Message = "已存在！"
		r.Num = 1
		r.Success = false
		ListResult = append(ListResult, r)
	}
	//2、Dao目录是不是存在
	workingPath = CommonUtil.GetParentPath(CommonUtil.GetCurrentDirectory()) + "\\dsBaseRpc\\RpcService\\#tableName#\\#tableName#Dao"
	workingPath = strings.Replace(workingPath, "#tableName#", tableName, -1)
	exists, _ = CommonUtil.PathExists(workingPath)
	if !exists {
		os.MkdirAll(workingPath, os.ModePerm)
		//创建空的Dao文件,注意包名称
		fi := workingPath + "\\" + tableName + "Dao.go"
		//调用模板,
		filesName := CommonUtil.GetCurrentPath()+"/Controller/ProtoController/Template/RpcDaoFramework.template"
		t, err := template.ParseFiles(filesName)
		if err != nil {
			log.Fatalln("parse file err:", err)
			return
		}
		buf := new(bytes.Buffer)
		var p = map[string]interface{}{
			"tableName":     tableName,
			"realTableName": realTableName,
			"pk":            pk,
			"pkView":        pkView,
			"modelFill":     modelFill,
		}
		if err := t.Execute(buf, p); err != nil {
			log.Fatal("There was an error:", err.Error())
		}
		var content = buf.String()
		content = CommonUtil.DeleteBlankString(content)
		//写入文件
		FileUtil.WriteFileContent(fi, content)
		//格式化文件
		CommonUtil.Exec("go", "fmt", fi)

		var r Result
		r.Item = "创建Dao目录"
		r.Message = "创建成功！"
		r.Num = 2
		r.Success = true
		ListResult = append(ListResult, r)
	} else {
		var r Result
		r.Item = "创建Dao目录"
		r.Message = "已存在！"
		r.Num = 2
		r.Success = false
		ListResult = append(ListResult, r)
	}

	c.JSON(http.StatusOK, Model.Res{
		Data: ListResult,
	})
}

/**
功能：获取指定表的所有字段
作者：黄海
时间：2020-05-30
*/
func GetAllFieldsByTableName(tableName string, exclude []string) string {
	sql := "select column_name,column_comment,data_type,column_key from information_schema.columns  where table_name = '" + tableName + "'  and table_schema = '" + ConfigUtil.WorkingDataBase + "'"
	var db = DbUtil.Engine
	list, _ := db.SQL(sql).Query().List()
	var str string
	for i := range list {
		columnKey := list[i]["column_key"].(string)
		columnName := list[i]["column_name"].(string)
		columnComment := list[i]["column_comment"].(string)
		data_type := list[i]["data_type"].(string)
		//手工排除一些字段
		exclude = append(exclude, "IdInt")
		exclude = append(exclude, "LastUpdatedTime")
		//排除一些字段
		if CommonUtil.IsContainString(exclude, CommonUtil.GetSnakeCaseStr(columnName)) {
			continue
		}
		str += "//" + columnComment + "\n"
		//主键
		if columnKey == "PRI" {
			snakeColumnName := CommonUtil.GetSnakeCaseStr(columnName)
			str += "model." + snakeColumnName + "=" + "CommonUtil.GetUUID()\n"
		} else {
			snakeColumnName := CommonUtil.GetSnakeCaseStr(columnName)
			if data_type == "timestamp" || data_type == "date" {
				str += "model." + snakeColumnName + "=DateUtil.ConvertDateTime(" + "in." + snakeColumnName + ")\n"
			} else {
				str += "model." + snakeColumnName + "=" + "in." + snakeColumnName + "\n"
			}
		}
	}
	return str
}