feat: mvp

app/app.go

@@ -0,0 +1,126 @@
+package app
+
+import (
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+// Module is the interface that all TUI feature modules must implement.
+type Module interface {
+	tea.Model
+	Title() string
+	Description() string
+}
+
+// Entry represents a registered module with its factory function.
+type Entry struct {
+	Title  string
+	Desc   string
+	Create func() tea.Model
+}
+
+// ===== menu item =====
+
+type menuItem struct {
+	title string
+	desc  string
+}
+
+func (mi menuItem) FilterValue() string { return mi.title }
+func (mi menuItem) Title() string       { return mi.title }
+func (mi menuItem) Description() string { return mi.desc }
+
+// ===== styles =====
+
+var menuStyle = lipgloss.NewStyle().
+	Bold(true).
+	Foreground(lipgloss.Color("39")).
+	PaddingLeft(1)
+
+// ===== model =====
+
+type Model struct {
+	menu    list.Model
+	active  tea.Model
+	entries []Entry
+}
+
+func New(entries []Entry) *Model {
+	items := make([]list.Item, len(entries))
+	for i, e := range entries {
+		items[i] = menuItem{title: e.Title, desc: e.Desc}
+	}
+
+	l := list.New(items, list.NewDefaultDelegate(), 0, 0)
+	l.Title = "ARinera Minecraft 管理工具"
+	l.SetShowStatusBar(false)
+	l.SetShowHelp(true)
+
+	return &Model{menu: l, entries: entries}
+}
+
+func (m *Model) Init() tea.Cmd {
+	return nil
+}
+
+func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if key, ok := msg.(tea.KeyMsg); ok {
+		switch key.String() {
+		case "ctrl+c":
+			return m, tea.Quit
+		case "esc":
+			if m.active != nil {
+				m.active = nil
+				return m, nil
+			}
+			return m, tea.Quit
+		}
+	}
+
+	if ws, ok := msg.(tea.WindowSizeMsg); ok {
+		if m.active == nil {
+			m.menu.SetSize(ws.Width, ws.Height-4)
+		}
+	}
+
+	if m.active != nil {
+		return m.updateModule(msg)
+	}
+	return m.updateMenu(msg)
+}
+
+func (m *Model) updateMenu(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		if msg.String() == "enter" {
+			sel, ok := m.menu.SelectedItem().(menuItem)
+			if !ok {
+				return m, nil
+			}
+			for _, e := range m.entries {
+				if e.Title == sel.title {
+					m.active = e.Create()
+					return m, m.active.Init()
+				}
+			}
+		}
+	}
+
+	var cmd tea.Cmd
+	m.menu, cmd = m.menu.Update(msg)
+	return m, cmd
+}
+
+func (m *Model) updateModule(msg tea.Msg) (tea.Model, tea.Cmd) {
+	newMod, cmd := m.active.Update(msg)
+	m.active = newMod
+	return m, cmd
+}
+
+func (m *Model) View() string {
+	if m.active != nil {
+		return m.active.View()
+	}
+	return menuStyle.Render("ARinera Minecraft 管理工具") + "\n\n" + m.menu.View()
+}