add scripts

command.go

@@ -26,6 +26,20 @@ func initCommandMap() {
 			}
 			app.AppendSystemMessage("commands: %s", s.String())
 		},
+		"script": func(app *App, rest string) {
+			if rest == "" {
+				var s strings.Builder
+				for _, script := range app.scripts {
+					s.WriteString(script)
+					s.WriteRune(' ')
+				}
+				app.AppendSystemMessage("scripts: %s", s.String())
+			} else {
+				if err := app.LoadScript(rest); err != nil {
+					app.AppendSystemMessage("error loading script `%s`: %s", rest, err)
+				}
+			}
+		},
 		"send": func(app *App, rest string) {
 			app.AppendMessage(rest)
 			app.outgoing <- MessageEvent(rest)
@@ -51,7 +65,7 @@ func initCommandMap() {
 			} else {
 				app.SetNick(rest)
 				app.AppendSystemMessage("nick: your nickname is now %s", app.nick)
-				if err := os.WriteFile(path.Join(app.cfgHome, "nick"), []byte(rest), 0o700); err != nil {
+				if err := os.WriteFile(path.Join(app.cfgHome, "nick"), []byte(rest), 0o600); err != nil {
 					app.AppendSystemMessage("nick: failed to persist nickname: %s", err)
 				}
 			}
@@ -90,8 +104,9 @@ func initCommandMap() {
 		"quit": func(app *App, rest string) {
 			app.stop()
 		},
-		"q": func(app *App, rest string) {
-			app.stop()
-		},
 	}
+
+	// aliases
+	CommandMap["q"] = CommandMap["quit"]
+	CommandMap["."] = CommandMap["script"]
 }

event.go

@@ -11,6 +11,7 @@ import (
 type IncomingEvent interface {
 	HandleIncoming(*App)
 }
+
 type OutgoingEvent interface {
 	HandleOutgoing(*App) error
 }
@@ -77,9 +78,13 @@ func (ev DialEvent) HandleOutgoing(app *App) error {
 	return nil
 }
 
-type HangupEvent struct{}
+type HangupEvent struct{ host, port string }
 
-func (ev HangupEvent) HandleOutgoing(app *App) error {
+func (ev HangupEvent) HandleIncoming(app *App) {
+	app.AppendSystemMessage("disconnected from %s:%s", ev.host, ev.port)
+}
+
+func (_ HangupEvent) HandleOutgoing(app *App) error {
 	if app.conn == nil {
 		app.incoming <- SystemMessageEvent("not connected to any server")
 		return nil
@@ -94,7 +99,7 @@ func (ev HangupEvent) HandleOutgoing(app *App) error {
 	app.conn.ticker.Stop()
 	app.conn.ticker = nil
 	app.conn = nil
-	app.incoming <- SystemMessageEvent(fmt.Sprintf("disconnected from %s:%s", host, port))
+	app.incoming <- HangupEvent{host, port}
 
 	return nil
 }

main.go

@@ -31,6 +31,8 @@ type App struct {
 	outgoing chan OutgoingEvent
 	error    chan error
 
+	scripts []string
+
 	vx    *vaxis.Vaxis
 	pager *pager.Model
 	input *textinput.Model
@@ -61,7 +63,6 @@ func (app *App) AppendMessage(data string) {
 		vaxis.Segment{Text: data, Style: style},
 		vaxis.Segment{Text: "\n"},
 	)
-
 	app.pager.Offset = math.MaxInt
 }
 
@@ -112,6 +113,10 @@ func NewApp() *App {
 		panic(err)
 	}
 
+	if err := app.RefreshScripts(); err != nil {
+		panic(err)
+	}
+
 	go func() {
 		for {
 			select {

script.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"errors"
+	"io/fs"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+func (app *App) RefreshScripts() error {
+	scriptDir := path.Join(app.cfgHome, "scripts")
+	if _, err := os.Stat(scriptDir); errors.Is(err, fs.ErrNotExist) {
+		return nil
+	}
+
+	return filepath.Walk(scriptDir, func(p string, i os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if i.IsDir() {
+			return nil
+		}
+		app.scripts = append(app.scripts, path.Base(p))
+		return nil
+	})
+}
+
+func (app *App) LoadScript(name string) error {
+	scriptPath := path.Join(app.cfgHome, "scripts", name)
+	data, err := os.ReadFile(scriptPath)
+	if err != nil {
+		return err
+	}
+
+	for line := range strings.Lines(string(data)) {
+		app.AppendSystemMessage("/%s", line)
+		name, rest, _ := strings.Cut(line, " ")
+		if cmd, ok := CommandMap[name]; ok {
+			cmd(app, rest)
+		} else {
+			app.AppendSystemMessage("unknown command \"%s\"", name)
+		}
+	}
+
+	return nil
+}