package modules

import (
	"bufio"
	"fmt"
	"os"
	"strings"
)

type config struct {
	db_host     string
	db_port     string
	db_username string
	db_password string
	db_name     string
	server_host string
	server_port string
}

func Readconfig() string {
	c := config{} // 创建空的 config 结构体实例
	// 打开配置文件
	file, err := os.Open("./config.conf")
	if err != nil {
		fmt.Println("无法打开配置文件:", err)
	}
	defer file.Close()
	var dsn string // 存储数据库连接字符串

	// 创建一个Scanner来读取文件内容
	scanner := bufio.NewScanner(file)

	// 逐行读取文件
	for scanner.Scan() {
		line := scanner.Text()
		// 忽略空行和注释行
		if len(line) == 0 || strings.HasPrefix(line, "#") {
			continue
		}
		// 解析配置项
		parts := strings.Split(line, "=")
		if len(parts) != 2 {
			fmt.Println("无效的配置项:", line)
			continue
		}
		key := strings.TrimSpace(parts[0])
		value := strings.TrimSpace(parts[1])

		//根据需要处理配置项
		switch key {
		case "db_host":
			c.db_host = value
			fmt.Println("数据库地址:", value)
		case "db_port":
			c.db_port = value
			fmt.Println("数据库端口:", value)
		case "db_username":
			c.db_username = value
			fmt.Println("数据库用户名:", value)
		case "db_password":
			c.db_password = value
			fmt.Println("数据库密码:", value)
		case "db_name":
			c.db_name = value
			fmt.Println("数据库名:", value)
		case "server_host":
			c.server_host = value
			fmt.Println("主机:", value)
		case "server_port":
			c.server_port = value
			fmt.Println("端口:", value)
		case "log_level":
			fmt.Println("日志等级:", value)
		case "log_file":
			fmt.Println("日志路径:", value)
		}
	}

	if err := scanner.Err(); err != nil {
		fmt.Println("读取配置文件时发生错误:", err)
	}
	//fmt.Println(c)
	dsn = c.db_username + ":" + c.db_password + "@tcp(" + c.db_host + ":" + c.db_port + ")/" + c.db_name
	fmt.Println(dsn)
	return dsn
}