feat: use bubbletea framework

- implement TUI in bubbletea
  - split components into separate files
- remove now unused functions
- restructure files

cmd/client/update.go

@@ -0,0 +1,45 @@
+package client
+
+import (
+	GoTomato "git.smsvc.net/pomodoro/GoTomato/pkg/models"
+
+	"github.com/charmbracelet/bubbles/key"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+// sends start/pause/resume based on the state of the pomodoro
+func start_pause_resume(message GoTomato.ServerMessage) string {
+	if !message.Ongoing {
+		return "start"
+	}
+	if message.Paused {
+		return "resume"
+	} else {
+		return "pause"
+	}
+}
+
+func (a app) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case GoTomato.ServerMessage:
+		a.pomodoro = msg
+		return a, a.waitForChannelSignal()
+	case tea.KeyMsg:
+		switch {
+		case key.Matches(msg, a.keys.Start):
+			cmd := start_pause_resume(a.pomodoro)
+			client.SendCmd(cmd)
+		case key.Matches(msg, a.keys.Stop):
+			client.SendCmd("stop")
+		case key.Matches(msg, a.keys.Reset):
+			if config.PomodoroConfig != (GoTomato.PomodoroConfig{}) {
+				client.SendSettingsUpdate(config.PomodoroConfig)
+			}
+		case key.Matches(msg, a.keys.Quit):
+			client.Disconnect()
+			return a, tea.Quit
+		}
+	}
+
+	return a, nil
+}