package init_serve

import (
	"eta/eta_menu_sync/global"
	"eta/eta_menu_sync/models"
	"eta/eta_menu_sync/utils"
	"fmt"
	"os"
	"strings"
	"time"
)

func InitTask() {
	fmt.Println("开始执行生成sql语句")
	etaBusinessObj := models.EtaBusiness{}
	list, err := etaBusinessObj.GetAllEtaBusiness()
	if err != nil {
		fmt.Println("err:", err)
		return
	}

	dateDir := time.Now().Format("20060102")
	baseDir := global.CONFIG.Serve.StaticDir + "menu" + dateDir + ""
	err = os.MkdirAll(baseDir, 0766)
	if err != nil {
		fmt.Println("存储目录创建失败,Err:" + err.Error())
		return
	}

	etaBusinessMenuObj := models.EtaBusinessMenu{}
	for _, v := range list {
		menuList, tmpErr := etaBusinessMenuObj.GetMenuList(v.BusinessCode)
		if tmpErr != nil {
			fmt.Println(v.BusinessName, "生成失败,err:", tmpErr)
			continue
		}
		if len(menuList) <= 0 {
			fmt.Println(v.BusinessName, "生成失败，没有配置菜单")
			continue
		}
		tableName := fmt.Sprintf("sys_menu_%s_bak", time.Now().Format(utils.FormatDateUnSpace))
		sqlStr := "# 备份表\n# create table " + tableName + " like sys_menu;\n# insert into " + tableName + " select * from sys_menu;\n\n"
		sqlStr += getFront(v.DbType)

		tableKey := ""
		modeName := ``
		switch v.DbType {
		case 1: // dm
			tableKey = `"`
			modeName = `eta_master.`
		default:
			// 默认mysql
			tableKey = "`"
		}

		sqlStr += "delete from " + modeName + "sys_menu where 1=1;\nINSERT INTO " + modeName + "sys_menu (`menu_id`, `parent_id`, `name`, `sort`, `path`, `icon_path`, `component`, `hidden`, `is_level`, `level_path`, `menu_type`, `button_code`, `create_time`, `modify_time`,`api`,`name_en`) VALUES "

		sqlStr = strings.Replace(sqlStr, "`", tableKey, -1)

		sqlStr += getMenuStr(menuList, v.DbType)

		sqlStr += getEndSql(v.DbType)

		err = writeFile(baseDir, sqlStr, v)
		if err != nil {
			fmt.Println(v.BusinessName, "生成失败，文件写入失败，Err:", err)
			continue
		}
	}

	fmt.Println("生成完成")
}

func getFront(dbType int) string {
	switch dbType {
	case 0: // mysql
		return ``

	case 1:
		return "SET IDENTITY_INSERT eta_master.sys_menu ON;\n"
	}

	return ``
}

// getEndSql
// @Description: 获取结束的sql
// @author: Roc
// @datetime 2025-06-03 16:11:30
// @param dbType int
// @return string
func getEndSql(dbType int) string {
	switch dbType {
	case 0: // mysql

		return "SELECT role_id INTO @sys_id FROM sys_role WHERE role_name = 'admin';\nDELETE FROM sys_role_menu WHERE role_id = @sys_id;\nINSERT INTO sys_role_menu(`role_id`, `menu_id`, `type`)\nSELECT @sys_id, menu_id, 0 FROM sys_menu;"

	case 1:
		return "-- 定义变量\nDECLARE\n  sys_id INT;\nBEGIN\n  -- 查询角色ID并赋值给变量\n  SELECT role_id INTO sys_id FROM eta_master.sys_role WHERE role_name = 'admin';\n\n  -- 删除角色菜单关联\n  DELETE FROM eta_master.sys_role_menu WHERE role_id = sys_id;\n\n  -- 插入新的角色菜单关联\n  INSERT INTO eta_master.sys_role_menu (role_id, menu_id, type)\n  SELECT sys_id, menu_id, 0 FROM eta_master.sys_menu;\nEND;\n /\nSET IDENTITY_INSERT eta_master.sys_menu OFF;\n"
	}

	return ``
}

func getMenuStr(menuList []*models.EtaBusinessMenu, dbType int) (str string) {

	tableKey := ""
	switch dbType {
	case 1: // dm
		tableKey = `'`
	default:
		// 默认mysql
		tableKey = `"`

	}

	menuStrList := []string{}
	for _, v := range menuList {
		tmpStr := fmt.Sprintf(`(%d, %d, "%s", %d, "%s","%s", "%s",%d, %d, "%s", %d, "%s", "%s", "%s", "%s", "%s")`,
			v.MenuId, v.ParentId, v.Name, v.Sort, v.Path, v.IconPath, v.Component, v.Hidden, v.IsLevel, v.LevelPath, v.MenuType, v.ButtonCode, v.CreateTime.Format(utils.FormatDateTime), v.ModifyTime.Format(utils.FormatDateTime), v.Api, v.NameEn)

		tmpStr = strings.Replace(tmpStr, `"`, tableKey, -1)

		menuStrList = append(menuStrList, tmpStr)

	}
	str = strings.Join(menuStrList, ",\n")

	str += ";\n"
	return
}

// writeFile 文件写入
func writeFile(baseDir, str string, etaBusiness *models.EtaBusiness) (err error) {
	file, err := os.OpenFile(baseDir+"/"+time.Now().Format(utils.FormatDateMouthDayUnSpace)+"_"+etaBusiness.BusinessName+"_"+etaBusiness.BusinessCode+".txt", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
	if err != nil {
		fmt.Println(err)
		return
	}
	defer file.Close()
	_, err = file.Write([]byte(str))
	if err != nil {
		return
	}

	return
}