gostations/stations.go

package main

import (
	"context"
	"flag"
	"fmt"
	"os"

	"github.com/gmgauthier/gostations/internal/config"
	playerpkg "github.com/gmgauthier/gostations/internal/player"
	"github.com/gmgauthier/gostations/internal/radio"
)

var version string

func showVersion() {
	fmt.Println(version)
}

func precheck() {
	p := config.MustGet("player.command") // or fall back inside
	if p == "" {
		p = "mpv"
	}
	if !playerpkg.IsInstalled(p) {
		fmt.Printf("%s is either not installed, or not on your $PATH. Cannot continue.\n", p)
		os.Exit(1)
	}
}

func main() {
	argCount := len(os.Args[1:])

	var (
		name    string
		country string
		state   string
		tags    string
		notok   bool
		version bool
	)
	flag.Usage = func() {
		fmt.Printf("Usage: \n")
		fmt.Printf(" gostations ")
		fmt.Printf(" [-n \"name\"]  [-c \"home country\"]  [-s \"home state\"]  [-t \"ordered,tag,list\"] [-x] [-v]\n")
		flag.PrintDefaults()
		fmt.Printf("  -h (or none)\n")
		fmt.Printf("\tThis help message\n")
	}
	flag.StringVar(&name, "n", "", "Station name (or identifier).")
	flag.StringVar(&country, "c", "", "Home country.")
	flag.StringVar(&state, "s", "", "Home state (if in the United States).")
	flag.StringVar(&tags, "t", "", "Tag (or comma-separated tag list)")
	flag.BoolVar(&notok, "x", false, "If toggled, will show stations that are down")
	flag.BoolVar(&version, "v", false, "Show version.")
	flag.Parse()

	if argCount == 0 {
		flag.Usage()
		os.Exit(0)
	}

	if version {
		showVersion()
		os.Exit(0)
	}

	precheck()

	if err := config.Init(); err != nil {
		fmt.Printf("config init: %v\n", err)
		os.Exit(1)
	}

	stations, err := radio.Search(context.Background(), name, country, state, tags, notok)
	if err != nil {
		// graceful: empty list + menu (old code dropped errs; we at least log)
		fmt.Printf("warning: station search: %v\n", err)
		stations = nil
	}
	menu := RadioMenu(stations)
	err = menu.Run()
	if err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}

}