package main

import (
	"strings"
)

func (c *Crawler) detectFeedType(body string) string {
	if strings.Contains(body, "<rss") {
		return "rss"
	}
	if strings.Contains(body, "<feed") {
		return "atom"
	}
	// Check for JSON Feed (version field contains jsonfeed.org URL)
	body = strings.TrimSpace(body)
	if strings.HasPrefix(body, "{") && strings.Contains(body, "jsonfeed.org") {
		return "json"
	}
	return "unknown"
}