package tmdb

import (
	"regexp"
	"strconv"
	"strings"
)

var yearRegex = regexp.MustCompile(`\b(19|20)\d{2}\b`)

// ExtractTitleAndYear parses a torrent release name and returns the clean title and year.
// Example: "The.Housemaid.2025.FRENCH.1080p" → ("The Housemaid", 2025)
func ExtractTitleAndYear(releaseName string) (string, int) {
	s := strings.ReplaceAll(releaseName, ".", " ")
	s = strings.ReplaceAll(s, "_", " ")

	loc := yearRegex.FindStringIndex(s)
	if loc == nil {
		return strings.TrimSpace(s), 0
	}

	year, _ := strconv.Atoi(s[loc[0]:loc[1]])
	title := strings.TrimSpace(s[:loc[0]])
	return title, year
}