package controllers

import (
	"fmt"
	"xg_fetl/internal/db_executor"
	"xg_fetl/internal/global"
	"xg_fetl/internal/models"
	"xg_fetl/internal/services"
)

func ImportController(outputDir string) {

	dbType := global.Cfg.ImportConfig.DBConfig.DBType
	dsn := global.Cfg.ImportConfig.DBConfig.GetDSN()

	dbName := global.Cfg.ImportConfig.DBConfig.DBName
	//dbIp := global.Cfg.ImportConfig.DBConfig.IP
	// baseFilePath := global.Cfg.ExportConfig.BaseFilePath
	delimiter := global.Cfg.ImportConfig.Delimiter

	pageSize := global.Cfg.ImportConfig.PageSize

	// !创建数据库链接
	executor, err := db_executor.NewDBExecutor(dbType, dsn)
	if err != nil {
		fmt.Println(fmt.Errorf("create db executor failed, err: %v", err))
		panic(err)
	}
	defer executor.Close()
	// ! 获取数据库元信息
	dbInfo, err := services.GetDBInfoService(dbName, executor)
	if err != nil {
		fmt.Println(fmt.Errorf("get db info failed, err: %v", err))
		panic(err)
	}

	// 创建一个新的 map，将普通表和 LOB 表的信息都放进去
	allTables := make(map[string]models.TableInfo, len(dbInfo.Tables)+len(dbInfo.LobTables))

	// 将 tableInfoMap 中的表信息添加到 allTables 中
	for tableName, tableInfo := range dbInfo.Tables {
		allTables[tableName] = tableInfo
	}

	// 将 lobTableInfoMap 中的表信息添加到 allTables 中
	for tableName, tableInfo := range dbInfo.LobTables {
		allTables[tableName] = tableInfo
	}

	services.ReaderMain(dbName, outputDir, allTables, delimiter, pageSize, executor)

}