//
//  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"
	"fmt"
	"log"
	"os"
	"os/signal"
	"sync"
	"time"

	"helsinki.at/rhimport"
	//	"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() {
	// web_addr_s := flag.String("web-addr", ":4080", "addr:port to listen on")
	// telnet_addr_s := flag.String("telnet-addr", ":4023", "addr:port to listen on")
	rdconf_s := flag.String("rdconf", "/etc/rd.conf", "path to the Rivendell config file")
	rdxport_url_s := flag.String("rdxport-url", "http://localhost/rd-bin/rdxport.cgi", "the url to the Rivendell web-api")
	temp_dir_s := flag.String("tmp-dir", os.TempDir(), "path to temporary files")
	local_fetch_dir_s := 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_s, rdxport_url_s, temp_dir_s, local_fetch_dir_s)
	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)
	if err != nil {
		rhl.Println("Error initializing Session Store:", err)
		return
	}
	defer sessions.Cleanup()

	store := sessions.GetInterface()

	ctx := rhimport.NewImportContext(conf, rddb.GetInterface(), "hugo")
	id, session, err := store.New(ctx)
	if err != nil {
		rhl.Printf("Error SessionStore.New(): %s", err)
		return
	}

	fmt.Printf("\n\nSESSION_STORE: %+v\n\n", sessions)

	session.Run()

	fmt.Printf("\n\nSESSION_STORE: %+v\n\n", sessions)

	time.Sleep(12 * time.Second)

	fmt.Printf("\n\nSESSION_STORE: %+v\n\n", sessions)

	store.Remove("hugo", id)

	fmt.Printf("\n\nSESSION_STORE: %+v\n\n", sessions)

	var wg sync.WaitGroup

	wg.Add(1)
	go func() {
		defer wg.Done()
		for {
			time.Sleep(10 * time.Second)
		}
	}()

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

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