simple client

1 files changed, 127 insertions, 0 deletions

diff --git a/client/application.go b/client/application.go
new file mode 100644
index 0000000..fdb0216
--- /dev/null
+++ b/client/application.go
@@ -0,0 +1,127 @@
+package main
+
+import (
+	"citrons.xyz/talk/client/client"
+	"citrons.xyz/talk/client/object"
+	"citrons.xyz/talk/client/buffer"
+	"citrons.xyz/talk/proto"
+	"citrons.xyz/talk/tui"
+	"zgo.at/termfo/keys"
+)
+
+type application struct {
+	client.Client
+	reconnecting bool
+	authenticated bool
+	uid string
+	cache object.ObjCache
+	currentBuffer *buffer.Buffer
+	cmdBuffer cmdBuffer
+}
+
+func newApplication(serverAddress string) *application {
+	var app application
+	app.Client = client.New(serverAddress)
+	app.cache = object.NewCache(&app)
+	app.cmdBuffer.Buffer = buffer.New("buffer")
+	app.currentBuffer = &app.cmdBuffer.Buffer
+
+	app.cmdBuffer.info("connecting to %s", app.Client.Address)
+	return &app
+}
+
+func (a *application) OnConnect() {
+	a.reconnecting = false
+	a.cmdBuffer.info("connected to %s", a.Client.Address)
+
+	a.auth("test user")
+}
+
+func (a *application) OnDisconnect(err error) {
+	a.authenticated = false
+	a.uid = ""
+	if !a.reconnecting {
+		a.cmdBuffer.err(
+			"disconnected from %s: %s\nreconnecting...", a.Client.Address, err,
+		)
+		a.reconnecting = true
+	}
+}
+
+func (a *application) OnEvent(cmd proto.Command) {
+	switch cmd.Kind {
+	case "update":
+		if len(cmd.Args) > 0 {
+			a.cache.Update(cmd.Target, cmd.Args[0])
+		}
+	case "delete":
+		a.cache.Gone(cmd.Target)
+	}
+}
+
+func (a *application) OnResponse(requestId string, cmd proto.Command) {
+	switch cmd.Kind {
+	case "you-are":
+		if len(cmd.Args) > 0 {
+			a.cmdBuffer.info("your name is: %s", cmd.Args[0].Fields[""])
+		}
+	}
+}
+
+func (a *application) Sub(id string) {
+	a.Request(proto.NewCmd("s", id), func(cmd proto.Command) {
+		if cmd.Kind == "i" && len(cmd.Args) > 0 {
+			a.cache.Update(id, cmd.Args[0])
+		}
+	})
+}
+
+func (a *application) Unsub(id string) {
+	a.Request(proto.NewCmd("u", id), nil)
+}
+
+func (a *application) GetInfo(id string, callback func(proto.Command)) {
+	a.Request(proto.NewCmd("i", id), callback)
+}
+
+func (a *application) auth(name string) {
+	callback := func(response proto.Command) {
+		switch response.Kind {
+		case "you-are":
+			if len(response.Args) == 0 {
+				break
+			}
+			me := response.Args[0]
+			a.authenticated = true
+			a.uid = me.Id
+			a.cache.Watch(a.uid)
+		case "fail":
+			// todo
+		}
+	}
+	a.Request(proto.NewCmd("auth", "", proto.Object {
+		"anonymous", "", map[string]string {"": name},
+	}), callback)
+}
+
+func (a *application) onInput(ev tui.Event) {
+	a.currentBuffer.Scroll(-ev.Mouse.Scroll * 2)
+	switch ev.Key {
+	case keys.Up:
+		a.currentBuffer.Scroll(1)
+	case keys.Down:
+		a.currentBuffer.Scroll(-1)
+	}
+}
+
+func (a *application) show() {
+	tui.Clear()
+	s := tui.Size()
+	tui.Push("", tui.Box {
+		Width: tui.BoxSize(s.Width), Height: tui.BoxSize(s.Height),
+	})
+	a.currentBuffer.Show()
+	tui.Pop()
+	tui.DrawLayout()
+	tui.Present()
+}