package drama

import (
	"fmt"
	"strings"
	"unicode/utf8"
)

const MaxEpisodeCharacters = 5000

func ValidateEpisodeContent(content string) error {
	count := utf8.RuneCountInString(strings.TrimSpace(content))
	if count == 0 {
		return fmt.Errorf("剧集原文不能为空")
	}
	if count > MaxEpisodeCharacters {
		return fmt.Errorf("每集原文不能超过%d字，当前%d字", MaxEpisodeCharacters, count)
	}
	return nil
}