/**
 * @Author:  jager
 * @Email:   lhj168os@gmail.com
 * @File:    txt
 * @Date:    2021/12/31 3:01 下午
 * @package: soup
 * @Version: v1.0.0
 *
 * @Description:
 *
 */

package soup

import (
	"bufio"
	"io"
	"math/rand"
	"os"
	"strings"

	"github.com/jageros/hawox/logx"
)

var contents []string

func InitFromFile(path string) error {
	file, err := os.OpenFile(path, os.O_RDWR, 0666)
	if err != nil {
		return err
	}
	defer file.Close()

	buf := bufio.NewReader(file)
	for {
		line, err := buf.ReadString('\n')
		line = strings.TrimSpace(line)
		contents = append(contents, line)
		if err != nil {
			if err == io.EOF {
				logx.Infof("Initialize contents successful count=%d", len(contents))
				break
			} else {
				return err
			}
		}
	}

	return nil
}

func getContent() string {
	index := rand.Intn(len(contents))
	return contents[index]
}