package main

import (
	"database/sql"
	"fmt"
	"io/ioutil"
	"log"
	"strings"

	_ "github.com/go-sql-driver/mysql"
)

func main() {
	// MySQL连接信息
	username := "root"
	password := "root"
	hostname := "127.0.0.1"
	port := "3306"

	// 构建DSN (Data Source Name)
	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/", username, password, hostname, port)

	// 连接到MySQL服务器
	db, err := sql.Open("mysql", dsn)
	if err != nil {
		log.Fatalf("Failed to open database connection: %v", err)
	}
	defer db.Close()

	// 测试连接
	if err := db.Ping(); err != nil {
		log.Fatalf("Failed to ping database: %v", err)
	}

	fmt.Println("Connected to MySQL server successfully!")

	// 读取SQL文件 (Assuming running from server root or adjusted path)
	// If running from scripts/, path should be ../nl_blog.sql
	sqlFile, err := ioutil.ReadFile("../nl_blog.sql")
	if err != nil {
		// Try current dir if run from root
		sqlFile, err = ioutil.ReadFile("nl_blog.sql")
		if err != nil {
			log.Fatalf("Failed to read SQL file: %v", err)
		}
	}

	// 分割SQL语句
	sqlStatements := strings.Split(string(sqlFile), ";")

	// 执行每个SQL语句
	for _, stmt := range sqlStatements {
		// 跳过空语句
		stmt = strings.TrimSpace(stmt)
		if stmt == "" {
			continue
		}

		// 执行语句
		_, err := db.Exec(stmt)
		if err != nil {
			log.Printf("Error executing statement: %v", err)
			continue
		}

		fmt.Printf("Executed statement: %s\n", stmt)
	}

	fmt.Println("Database initialization completed!")
}