Add send command

Signed-off-by: Knut Ahlers <knut@ahlers.me>

.gitignore

@@ -1 +1,2 @@
 .env
+lounge-control

cmd_send.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"os"
+
+	"github.com/pkg/errors"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/Luzifer/lounge-control/sioclient"
+)
+
+func init() {
+	registerCommand("send", commandSend)
+}
+
+func commandSend(args []string) handlerFunc {
+	if len(args) != 2 {
+		log.Fatal("Usage: send <target> <message>")
+	}
+
+	var (
+		channelName = args[0]
+		message     = args[1]
+	)
+
+	return addGenericHandler(func(pType string, msg *sioclient.Message) error {
+		if pType != "init" {
+			return nil
+		}
+
+		// After join command is finished we can execute the joins
+		network := initData.NetworkByNameOrUUID(cfg.Network)
+		if network == nil {
+			return errors.New("Network not found")
+		}
+
+		var target *channel
+		for _, c := range network.Channels {
+			if channelName == "lobby" && c.Type == "lobby" {
+				target = &c
+				break
+			} else if channelName == c.Name {
+				target = &c
+				break
+			}
+		}
+
+		if target == nil {
+			return errors.New("Unable to find channel in network")
+		}
+
+		msg, err := sioclient.NewMessage(sioclient.MessageTypeEvent, 0, "input", map[string]interface{}{
+			"text":   message,
+			"target": target.ID,
+		})
+		if err != nil {
+			return errors.Wrap(err, "Unable to compose message")
+		}
+
+		if err = msg.Send(client); err != nil {
+			return errors.Wrap(err, "Unable to send message")
+		}
+
+		interrupt <- os.Interrupt
+		return nil
+	})
+}