// vim:ts=4:sts=4:sw=4:noet:tw=72

package fortune

import (
	"bytes"
	"fmt"
	"log"
	"os/exec"
	"strings"

	"github.com/sorcix/irc"
)

var (
	sayCh chan string
)

func Init(ch chan string) {
	log.Println("Initializing fortune module")
	sayCh = ch
}

func HandleMessage(m *irc.Message) {
	tok := strings.Split(m.Trailing, " ")
	if len(tok) < 1 {
		return
	}
	switch tok[0] {
	case "!fortune":
		fortune()
	default:
	}
}

func fortune() {
	cmd := exec.Command("/usr/games/fortune", "/flokatirc/fortunes/")
	var out bytes.Buffer
	cmd.Stdout = &out
	err := cmd.Run()
	if err != nil {
		println(err)
		return
	}
	s := out.String()
	s = strings.Replace(s, "\r", "", -1)
	s = strings.Replace(s, "\t", "  ", -1)
	for _, l := range strings.Split(s, "\n") {
		if l != "" {
			sayCh <- fmt.Sprintf("*\n%s", l)
		}
	}
}