//
//  rhimportd
//
//  The Radio Helsinki Rivendell Import Daemon
//
//
//  Copyright (C) 2015 Christian Pointner <equinox@helsinki.at>
//
//  This file is part of rhimportd.
//
//  rhimportd is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  any later version.
//
//  rhimportd is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with rhimportd. If not, see <http://www.gnu.org/licenses/>.
//

package main

import (
	"flag"
	"helsinki.at/rhimport"
	"log"
	"os"
	"os/signal"
	"sync"
	//	"io/ioutil"
)

var (
	rhl  = log.New(os.Stderr, "[rhimportd]\t", log.LstdFlags)
	rhdl = log.New(os.Stderr, "[rhimportd-dbg]\t", log.LstdFlags)
	//rhdl = log.New(ioutil.Discard, "[rhimportd-dbg]\t", log.LstdFlags)
)

func main() {
	webAddr := flag.String("web-addr", ":4080", "addr:port to listen on")
	telnetAddr := flag.String("telnet-addr", ":4023", "addr:port to listen on")
	rdconf := flag.String("rdconf", "/etc/rd.conf", "path to the Rivendell config file")
	rdxportUrl := flag.String("rdxport-url", "http://localhost/rd-bin/rdxport.cgi", "the url to the Rivendell web-api")
	tempDir := flag.String("tmp-dir", os.TempDir(), "path to temporary files")
	localFetchDir := flag.String("local-fetch-dir", os.TempDir(), "path to files that can be imported using local://")
	help := flag.Bool("help", false, "show usage")

	flag.Parse()
	if *help {
		flag.Usage()
		return
	}

	conf, err := rhimport.NewConfig(rdconf, rdxportUrl, tempDir, localFetchDir)
	if err != nil {
		rhl.Println("Error reading configuration:", err)
		return
	}

	rddb, err := rhimport.NewRdDb(conf)
	if err != nil {
		rhl.Println("Error initializing Rivdenll DB:", err)
		return
	}
	defer rddb.Cleanup()

	sessions, err := rhimport.NewSessionStore(conf, rddb.GetInterface())
	if err != nil {
		rhl.Println("Error initializing Session Store:", err)
		return
	}
	defer sessions.Cleanup()

	var wg sync.WaitGroup

	wg.Add(1)
	go func() {
		defer wg.Done()
		rhl.Println("starting web-ctrl")
		StartControlWeb(*webAddr, conf, rddb.GetInterface(), sessions.GetInterface())
		rhl.Println("web-ctrl finished")
	}()

	wg.Add(1)
	go func() {
		defer wg.Done()
		rhl.Println("starting telnet-ctrl")
		StartControlTelnet(*telnetAddr, conf, rddb.GetInterface(), sessions.GetInterface())
		rhl.Println("telnet-ctrl finished")
	}()

	alldone := make(chan bool)
	go func() {
		defer func() { alldone <- true }()
		wg.Wait()
	}()

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)

	select {
	case <-c:
		rhl.Println("received interrupt, shutdown")
		return
	case <-alldone:
		return
	}
}