added installer shell script and additional steps

tui/steps/encryption.go

@@ -0,0 +1,132 @@
+package steps
+
+import (
+	"miasma-installer/tui/styles"
+
+	"github.com/charmbracelet/bubbles/textinput"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type EncryptionModel struct {
+	EnableEncryption bool
+	Password         string
+	ConfirmPassword  string
+	passwordInput    textinput.Model
+	confirmInput     textinput.Model
+	focusIndex       int
+	Finished         bool
+	showInputs       bool
+}
+
+func NewEncryptionModel() EncryptionModel {
+	pi := textinput.New()
+	pi.Placeholder = "Enter encryption password"
+	pi.EchoMode = textinput.EchoPassword
+	pi.Focus()
+
+	ci := textinput.New()
+	ci.Placeholder = "Confirm password"
+	ci.EchoMode = textinput.EchoPassword
+
+	return EncryptionModel{
+		EnableEncryption: true,
+		passwordInput:    pi,
+		confirmInput:     ci,
+		showInputs:       true,
+	}
+}
+
+func (m EncryptionModel) Init() tea.Cmd {
+	return textinput.Blink
+}
+
+func (m EncryptionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if m.Finished {
+		return m, nil
+	}
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "enter":
+			if !m.showInputs {
+				m.Finished = true
+				return m, nil
+			}
+
+			if m.focusIndex == 0 {
+				m.focusIndex = 1
+				m.passwordInput.Blur()
+				return m, m.confirmInput.Focus()
+			} else if m.focusIndex == 1 {
+				if m.passwordInput.Value() == m.confirmInput.Value() && m.passwordInput.Value() != "" {
+					m.Password = m.passwordInput.Value()
+					m.Finished = true
+					return m, nil
+				}
+			}
+
+		case "y":
+			if !m.showInputs {
+				m.EnableEncryption = true
+				m.showInputs = true
+				return m, m.passwordInput.Focus()
+			}
+
+		case "n":
+			if !m.showInputs {
+				m.EnableEncryption = false
+				m.Finished = true
+				return m, nil
+			}
+
+		case "tab", "shift+tab":
+			if m.showInputs {
+				if m.focusIndex == 0 {
+					m.focusIndex = 1
+					m.passwordInput.Blur()
+					return m, m.confirmInput.Focus()
+				} else {
+					m.focusIndex = 0
+					m.confirmInput.Blur()
+					return m, m.passwordInput.Focus()
+				}
+			}
+		}
+	}
+
+	var cmd tea.Cmd
+	if m.showInputs {
+		if m.focusIndex == 0 {
+			m.passwordInput, cmd = m.passwordInput.Update(msg)
+		} else {
+			m.confirmInput, cmd = m.confirmInput.Update(msg)
+		}
+	}
+
+	return m, cmd
+}
+
+func (m EncryptionModel) View() string {
+	s := styles.TitleStyle.Render("Disk Encryption")
+	s += "\n\n"
+
+	if !m.showInputs {
+		s += "Enable LUKS2 disk encryption? (recommended)\n\n"
+		s += styles.HelpStyle.Render("[y] Yes  [n] No")
+	} else {
+		s += "Enter encryption password:\n\n"
+		s += m.passwordInput.View() + "\n\n"
+		s += m.confirmInput.View() + "\n\n"
+
+		if m.passwordInput.Value() != "" && m.confirmInput.Value() != "" {
+			if m.passwordInput.Value() != m.confirmInput.Value() {
+				s += styles.HelpStyle.Render("Passwords do not match\n")
+			}
+		}
+
+		s += styles.HelpStyle.Render("[Tab] Switch fields  [Enter] Continue")
+	}
+
+	return styles.MainStyle.Render(s)
+}