From cfe0d71f41228eed24dac7035d0d2e6ee483a4e7 Mon Sep 17 00:00:00 2001
From: Adrian Zankich <adrian@hybridgroup.com>
Date: Sun, 24 Nov 2013 14:41:36 -0800
Subject: [PATCH] Add api commands

---
 api.go    | 18 +++++++++++-------
 device.go |  4 ++--
 driver.go |  1 +
 utils.go  |  5 ++---
 4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/api.go b/api.go
index 477685f29..7c08d2d75 100644
--- a/api.go
+++ b/api.go
@@ -25,19 +25,23 @@ func Api(bot *Gobot) {
 		return toJson(bot.FindRobotDevice(params["robotname"], params["devicename"]))
 	})
 
+	m.Get("/robots/:robotname/devices/:devicename/commands", func(params martini.Params) string {
+		return toJson(bot.FindRobotDevice(params["robotname"], params["devicename"]).Commands())
+	})
+
 	m.Post("/robots/:robotname/devices/:devicename/commands/:command", func(params martini.Params, res http.ResponseWriter, req *http.Request) string {
 		decoder := json.NewDecoder(req.Body)
 		var response_hash map[string]interface{}
 		decoder.Decode(&response_hash)
 		robot := bot.FindRobotDevice(params["robotname"], params["devicename"])
-		p := make([]interface{}, len(response_hash))
-		i := 0
-		for _, v := range response_hash {
-			p[i] = v
-			i++
+		commands := robot.Commands().([]string)
+		for command := range commands {
+			if commands[command] == params["command"] {
+				ret := Call(robot.Driver, params["command"], response_hash)
+				return toJson(map[string]interface{}{"results": ret})
+			}
 		}
-		Call(robot.Driver, params["command"], p...)
-		return ""
+		return toJson(map[string]interface{}{"results": "Unknown Command"})
 	})
 
 	go m.Run()
diff --git a/device.go b/device.go
index 6b268ac5c..c5f570617 100644
--- a/device.go
+++ b/device.go
@@ -29,6 +29,6 @@ func (d *Device) Start() {
 	}
 }
 
-func (d *Device) Command(method_name string, arguments []string) {
-	//dt.Driver.Command(method_name, arguments)
+func (d *Device) Commands() interface{} {
+	return reflect.ValueOf(d.Driver).Elem().FieldByName("Commands").Interface()
 }
diff --git a/driver.go b/driver.go
index aca82e673..978c68955 100644
--- a/driver.go
+++ b/driver.go
@@ -7,6 +7,7 @@ type Driver struct {
 	Pin      string
 	Name     string
 	Params   map[string]string
+	Commands []string
 	Events   map[string]chan interface{} `json:"-"`
 }
 
diff --git a/utils.go b/utils.go
index f251d4184..8dfaa3c95 100644
--- a/utils.go
+++ b/utils.go
@@ -54,13 +54,12 @@ func ConnectTo(port string) net.Conn {
 	return tcpPort
 }
 
-func Call(thing interface{}, method string, params ...interface{}) (result []reflect.Value, err error) {
+func Call(thing interface{}, method string, params ...interface{}) []reflect.Value {
 	in := make([]reflect.Value, len(params))
 	for k, param := range params {
 		in[k] = reflect.ValueOf(param)
 	}
-	result = reflect.ValueOf(thing).MethodByName(method).Call(in)
-	return
+	return reflect.ValueOf(thing).MethodByName(method).Call(in)
 }
 
 func toJson(obj interface{}) string {