first draft of miasma installer

tui/steps/disk_sel.go

@@ -0,0 +1,94 @@
+package steps
+
+import (
+	"fmt"
+	"io"
+	"miasma-installer/tui/styles"
+
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type Disk struct {
+	name, description string
+}
+
+func (i Disk) FilterValue() string { return i.name }
+func (i Disk) Title() string       { return i.name }
+func (i Disk) Description() string { return i.description }
+
+type ItemDelegate struct{}
+
+func (i ItemDelegate) Height() int                              { return 1 }
+func (i ItemDelegate) Width() int                               { return 0 }
+func (i ItemDelegate) Update(msg tea.Msg, m list.Model) tea.Cmd { return nil }
+func (i ItemDelegate) Render(w io.Writer, m list.Model, index int, item list.Item) {
+	i, ok := item.(Disk)
+	if !ok {
+		return
+	}
+
+	s := fmt.Sprintf("%d. %s - %s", index+1, i.Title(), i.Description())
+
+	// focus styles
+	if index == m.Index() {
+		s = styles.ActiveItemStyle.Render("> " + s)
+	} else {
+		s = styles.InactiveItemStyle.Render("  " + s)
+	}
+	fmt.Fprint(w, s)
+}
+
+type DiskSelModel struct {
+	list         list.Model
+	Finished     bool
+	SelectedDisk string
+}
+
+func NewDiskSelModel(width, height int) DiskSelModel {
+	// This is a placeholder - I need to update this to a tea.Cmd to scan the system for drives
+	disks := []list.Item{
+		Disk{name: "/dev/sda", description: "500GB Samsung NVME"},
+		Disk{name: "/dev/sdb", description: "1TB Baracuda HDD"},
+		Disk{name: "/dev/loop0", description: "2GB Fanxiang SSD"},
+	}
+
+	l := list.New(disks, itemDelegate{}, width, height-5)
+	l.Title = styles.TitleStyle.Render("Select Installation Disk")
+	l.SetShowStatusBar(false)
+	l.SetFilterEnabled(false)
+	l.Styles.Title = styles.TitleStyle
+	l.KeyMap.Unbind()
+
+	return DiskSelModel{list: l}
+}
+
+func (m DiskSelModel) Init() tea.Cmd {
+	return nil
+}
+
+func (m DiskSelModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if m.Finished {
+		return m, nil
+	}
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		if msg.String() == "enter" {
+			if item, ok := m.list.SelectedItem().(Disk); ok {
+				m.SelectedDisk = item.name
+				m.Finished = true
+				return m, nil
+			}
+		}
+	}
+	var cmd tea.Cmd
+	m.list, cmd = m.list.Update(msg)
+	return m, cmd
+}
+
+func (m DiskSelModel) View() string {
+	s := m.list.View()
+	s += "\n" + styles.HelpStyle.Render("Use ↑/↓ to navigate, [Enter] to select disk.")
+	return s
+}