Add "power" page

Signed-off-by: Hadi <[email protected]>

internal/ui/power/profiles.go

@@ -0,0 +1,148 @@
+package power
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"charm.land/bubbles/v2/key"
+	tea "charm.land/bubbletea/v2"
+	"charm.land/lipgloss/v2"
+	ilovetui "github.com/anotherhadi/ilovetui"
+	"github.com/anotherhadi/settuings/internal/icons"
+	"github.com/anotherhadi/settuings/internal/keys"
+	"github.com/anotherhadi/settuings/internal/power"
+)
+
+func (m *Model) handleProfiles(msg profilesMsg) {
+	m.profilesLoading = false
+	m.profilesErr = msg.err
+	if msg.err != nil {
+		return
+	}
+	m.profiles = msg.profiles
+	if m.cursor >= len(m.profiles) {
+		m.cursor = max(0, len(m.profiles)-1)
+	}
+}
+
+func (m *Model) handleSetProfile(msg setProfileMsg) tea.Cmd {
+	m.pending = false
+	if msg.err != nil {
+		m.feedback = msg.err.Error()
+		return nil
+	}
+	m.feedback = ""
+	return fetchProfilesCmd()
+}
+
+func (m Model) selectedProfile() *power.Profile {
+	if m.cursor < 0 || m.cursor >= len(m.profiles) {
+		return nil
+	}
+	return &m.profiles[m.cursor]
+}
+
+func (m *Model) updateProfiles(msg tea.Msg) tea.Cmd {
+	keyMsg, ok := msg.(tea.KeyPressMsg)
+	if !ok {
+		return nil
+	}
+	if m.checkErr != nil {
+		if key.Matches(keyMsg, keys.Keys.Power.Refresh) {
+			return checkCmd()
+		}
+		return nil
+	}
+
+	g := keys.Keys.Global
+	p := keys.Keys.Power
+
+	switch {
+	case key.Matches(keyMsg, g.Up):
+		if m.cursor > 0 {
+			m.cursor--
+		}
+	case key.Matches(keyMsg, g.Down):
+		if m.cursor < len(m.profiles)-1 {
+			m.cursor++
+		}
+	case key.Matches(keyMsg, p.Refresh):
+		return tea.Batch(fetchProfilesCmd(), fetchBatteryCmd())
+	case key.Matches(keyMsg, p.Select):
+		return m.applySelected()
+	}
+	return nil
+}
+
+func (m *Model) applySelected() tea.Cmd {
+	sel := m.selectedProfile()
+	if sel == nil || sel.Active {
+		return nil
+	}
+	m.pending = true
+	return setProfileCmd(sel.Name)
+}
+
+func (m Model) renderProfiles() string {
+	title := lipgloss.NewStyle().Bold(true).Render("Power Profile")
+
+	switch {
+	case !m.checked:
+		return lipgloss.JoinVertical(lipgloss.Left, title, "", ilovetui.S.Faint.Render("Checking powerprofilesctl…"))
+	case m.checkErr != nil:
+		return lipgloss.JoinVertical(lipgloss.Left, title, "", subtleStyle().Render(unavailableHint(m.checkErr)))
+	case m.profilesLoading:
+		return lipgloss.JoinVertical(lipgloss.Left, title, "", ilovetui.S.Faint.Render("Loading profiles…"))
+	case m.profilesErr != nil:
+		return lipgloss.JoinVertical(lipgloss.Left, title, "", errorStyle().Render(m.profilesErr.Error()))
+	}
+
+	lines := []string{title, ""}
+	for i, p := range m.profiles {
+		lines = append(lines, m.renderProfileRow(p, i == m.cursor))
+	}
+	switch {
+	case m.pending:
+		lines = append(lines, "", mutedStyle().Render("applying…"))
+	case m.feedback != "":
+		lines = append(lines, "", errorStyle().Render(m.feedback))
+	}
+	return lipgloss.JoinVertical(lipgloss.Left, lines...)
+}
+
+func (m Model) renderProfileRow(p power.Profile, selected bool) string {
+	textStyle := lipgloss.NewStyle().Foreground(ilovetui.S.Text)
+	if selected {
+		textStyle = textStyle.Bold(true).Foreground(ilovetui.S.Primary)
+	}
+	cursor := "  "
+	if selected {
+		cursor = "> "
+	}
+	check := " "
+	if p.Active {
+		check = successStyle().Render(icons.I.Check)
+	}
+	return fmt.Sprintf("%s%s%s", cursor, check, textStyle.Render(displayName(p.Name)))
+}
+
+// displayName turns a powerprofilesctl identifier ("power-saver") into a
+// readable label ("Power Saver").
+func displayName(name string) string {
+	words := strings.Split(strings.ReplaceAll(name, "-", " "), " ")
+	for i, w := range words {
+		if w == "" {
+			continue
+		}
+		words[i] = strings.ToUpper(w[:1]) + w[1:]
+	}
+	return strings.Join(words, " ")
+}
+
+func unavailableHint(err error) string {
+	if errors.Is(err, power.ErrNotFound) {
+		return "powerprofilesctl was not found in PATH.\nInstall power-profiles-daemon to select a profile."
+	}
+	return err.Error()
+}