From 47689ecf9b96d4a86a8960cee69ac8027a540597 Mon Sep 17 00:00:00 2001
From: Sam <dxb@keybase.io>
Date: Thu, 3 Oct 2019 08:12:50 -0400
Subject: [PATCH] Add help command

---
 cmdHelp.go | 32 ++++++++++++++++++++++++++++++++
 main.go    | 27 ++++++++++++---------------
 2 files changed, 44 insertions(+), 15 deletions(-)
 create mode 100644 cmdHelp.go

diff --git a/cmdHelp.go b/cmdHelp.go
new file mode 100644
index 0000000..cd3f247
--- /dev/null
+++ b/cmdHelp.go
@@ -0,0 +1,32 @@
+// +build !rm_basic_commands allcommands helpcmd
+
+package main
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/jroimartin/gocui"
+)
+
+func init() {
+	command := Command{
+		Cmd:         []string{"help", "h"},
+		Description: "Show information about avaailable commands",
+		Help:        "",
+		Exec:        cmdHelp,
+	}
+
+	RegisterCommand(command)
+}
+
+func cmdHelp(g *gocui.Gui, cmd []string) {
+	var helpText string
+	if len(cmd) == 1 {
+		sort.Strings(baseCommands)
+		for _, c := range baseCommands {
+			helpText = fmt.Sprintf("%s%s%s\t\t%s\n", helpText, cmdPrefix, c, commands[c].Description)
+		}
+	}
+	printToView(g, "Chat", helpText)
+}
diff --git a/main.go b/main.go
index ed544b9..990f407 100644
--- a/main.go
+++ b/main.go
@@ -11,11 +11,6 @@ import (
 	"samhofi.us/x/keybase"
 )
 
-const cmdPrefix = "/"
-
-var commands = make(map[string]Command)
-var baseCommands = make([]string, 0)
-
 // Configurable section
 var downloadPath = "/tmp/"
 var outputFormat = "┌──[$USER@$DEVICE] [$ID] [$DATE - $TIME]\n└╼ $MSG"
@@ -28,6 +23,11 @@ var timeFormat = "15:04"
 
 // End configurable section
 
+const cmdPrefix = "/"
+
+var commands = make(map[string]Command)
+var baseCommands = make([]string, 0)
+
 var k = keybase.NewKeybase()
 var channel keybase.Channel
 var channels []keybase.Channel
@@ -47,7 +47,6 @@ func main() {
 	defer kbtui.Close()
 	kbtui.SetManagerFunc(layout)
 
-	printToView(kbtui, "Chat", fmt.Sprintf("Welcome %s!", k.Username))
 	go populateList(kbtui)
 	go updateChatWindow(kbtui)
 	if err := initKeybindings(kbtui); err != nil {
@@ -214,15 +213,8 @@ func layout(g *gocui.Gui) error {
 		}
 		chatView.Autoscroll = true
 		chatView.Wrap = true
-		fmt.Fprintf(chatView, "Your chats will appear here.\nSupported commands are as follows:\n")
-		fmt.Fprintln(chatView, "/j $username - Open your chat with $username")
-		fmt.Fprintln(chatView, "/j $team $channel - Open $channel from $team")
-		fmt.Fprintln(chatView, "/u $path $title - Uploads file $path with title $title")
-		fmt.Fprintln(chatView, "/d $msgId $downloadName - Downloads file from $msgId to $DownloadPath/$downloadName")
-		fmt.Fprintln(chatView, "/r $msgId $reaction - Reacts to $msgId with $reaction reaction can be emoji :+1:")
-		fmt.Fprintln(chatView, "      Can also be used for STRING reactions")
-		fmt.Fprintln(chatView, "/s  - Experimental: View all incoming messages from everywhere.")
-		fmt.Fprintln(chatView, "/q - Exit")
+		fmt.Fprintf(chatView, "Welcome %s!\n\nYour chats will appear here.\nSupported commands are as follows:\n\n", k.Username)
+		RunCommand(g, "help")
 	}
 	if inputView, err3 := g.SetView("Input", maxX/2-maxX/3, maxY-4, maxX-1, maxY-1); err3 != nil {
 		if err3 != gocui.ErrUnknownView {
@@ -399,3 +391,8 @@ func RegisterCommand(c Command) error {
 	}
 	return nil
 }
+
+// RunCommand calls a command as if it was run by the user
+func RunCommand(g *gocui.Gui, c ...string) {
+	commands[c[0]].Exec(g, c)
+}