feat: wip tui application

tui/app.go

@@ -0,0 +1,47 @@
+package tui
+
+import (
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type (
+	AppModel struct{
+		Size Size
+		Header HeaderModel
+		Screen tea.Model
+	}
+)
+
+func NewApp() AppModel {
+	return AppModel{
+		Header: NewHeader(),
+		Screen: NewHomeScreen(),
+	}
+}
+
+func (m AppModel) Init() tea.Cmd {
+	return nil
+}
+
+func (m AppModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmd, headerCmd, screenCmd tea.Cmd
+
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.Size = NewSizeFromWindow(msg)
+	}
+
+	m.Header, headerCmd = m.Header.Update(msg)
+	m.Screen, screenCmd = m.Screen.Update(msg)
+
+	return m, tea.Batch(cmd, headerCmd, screenCmd)
+}
+
+func (m AppModel) View() string {
+	return strings.Join([]string{
+		m.Header.View(),
+		m.Screen.View(),
+	}, "\n")
+}