package main

import (
	"flag"
	"strings"
	"bufio"
	"os"

	"git.sr.ht/~ark/ytparser"
)

const defaultFormat string = "channel: {{.ChannelTitle}}, title: {{.Title}}, url: {{.Url}}"

func readStdin() string {
	var b strings.Builder
	scanner := bufio.NewScanner(os.Stdin)
	for scanner.Scan() {
		b.WriteString(scanner.Text())
	}
	if err := scanner.Err(); err != nil {
		panic(err)
	}
	return b.String()
}

func main() {
	format := flag.String("f", defaultFormat, "The format to print items in. Follows go template syntax. See metube(5) for more info.")
	page := flag.Int("p", 0, "The page to get")
	lang := flag.String("l", "en", "The language to search in (follows youtube's language codes: en, fr, de, ja...)")
	order := flag.String("o", "relevance", "The criterion to use for the search order (relevance, date, views, rating)")
	flag.Parse()
	if *format == "-" {
		*format = readStdin()
	}
	items, err := ytparser.Search(strings.Join(flag.Args(), " "), *page, *lang, *order)
	if err != nil {
		panic(err)
	}
	ytparser.PrintItems(items, *format)
}