feat: add help at the bottom (#5)

* Attemp at using goreleaser

* Fix syntax error in .goreleaser.yml

* fix: Check roadmap feature for clipboard (README)

* feat: add help menu at the bottom (#4)

* MVP for a help menu

* fix: commented code is evil

2 files changed, 71 insertions, 20 deletions

diff --git a/internal/switcher/keys.go b/internal/switcher/keys.go
index e019ba1..215a8e2 100644
--- a/internal/switcher/keys.go
+++ b/internal/switcher/keys.go
@@ -3,7 +3,7 @@ package switcher
 import "github.com/charmbracelet/bubbles/key"
 
 type keybinds struct {
-	next, prev, cpHex, cpRgb, cpHsl, cpCmyk, quit key.Binding
+	next, prev, cpHex, cpRgb, cpHsl, cpCmyk, help, quit key.Binding
 }
 
 func newKeybinds() keybinds {
@@ -14,23 +14,27 @@ func newKeybinds() keybinds {
 		),
 		prev: key.NewBinding(
 			key.WithKeys("shift+tab"),
-			key.WithHelp("shift+tab", "previous picker"),
+			key.WithHelp("shift+tab", "prev. picker"),
 		),
 		cpHex: key.NewBinding(
 			key.WithKeys("x"),
-			key.WithHelp("x", "yank/copy hex value"),
+			key.WithHelp("x", "copy hex"),
 		),
 		cpRgb: key.NewBinding(
 			key.WithKeys("r"),
-			key.WithHelp("r", "yank/copy RGB value"),
+			key.WithHelp("r", "copy rgb"),
 		),
 		cpHsl: key.NewBinding(
 			key.WithKeys("s"),
-			key.WithHelp("s", "yank/copy HSL value"),
+			key.WithHelp("s", "copy hsl"),
 		),
 		cpCmyk: key.NewBinding(
 			key.WithKeys("c"),
-			key.WithHelp("c", "yank/copy CMYK value"),
+			key.WithHelp("c", "copy cmyk"),
+		),
+		help: key.NewBinding(
+			key.WithKeys("?"),
+			key.WithHelp("?", "help"),
 		),
 		quit: key.NewBinding(
 			key.WithKeys("q", "ctrl+c"),
@@ -41,9 +45,27 @@ func newKeybinds() keybinds {
 
 func Keys() []key.Binding {
 	k := newKeybinds()
-	return []key.Binding{k.next, k.prev, k.cpHex, k.cpRgb, k.cpHsl, k.cpCmyk, k.quit}
+	return []key.Binding{k.next, k.prev, k.cpHex, k.cpRgb, k.cpHsl, k.cpCmyk, k.help, k.quit}
+}
+
+func shortKeys() [][]key.Binding {
+	keys := make([][]key.Binding, 2)
+	rows := 2
+	cRow := 0
+	for i := 0; i < len(Keys()); i++ {
+		keys[cRow] = append(keys[cRow], Keys()[i])
+		cRow++
+		if cRow == rows {
+			cRow = 0
+		}
+	}
+	return keys
 }
 
-func (m Model) AllKeys() []key.Binding {
-	return append(Keys(), m.pickers[m.active].AllKeys()...)
+func (m Model) AllKeys() [][]key.Binding {
+	keys := make([][]key.Binding, len(m.pickers[m.active].AllKeys())+1)
+	keys[0] = Keys()
+	copy(keys[1:], m.pickers[m.active].AllKeys())
+	return keys
+	// return append(m.pickers[m.active].AllKeys(), Keys())
 }
diff --git a/internal/switcher/switcher.go b/internal/switcher/switcher.go
index c470557..fdf91af 100644
--- a/internal/switcher/switcher.go
+++ b/internal/switcher/switcher.go
@@ -9,21 +9,27 @@ import (
 	"github.com/ChausseBenjamin/termpicker/internal/preview"
 	"github.com/ChausseBenjamin/termpicker/internal/quit"
 	"github.com/ChausseBenjamin/termpicker/internal/util"
+	"github.com/charmbracelet/bubbles/help"
 	"github.com/charmbracelet/bubbles/key"
 	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
 )
 
 type Model struct {
-	active  int
-	pickers []picker.Model
-	preview preview.Model
+	active   int
+	pickers  []picker.Model
+	preview  preview.Model
+	help     help.Model
+	fullHelp bool // When false, only show help for the switcher (not children)
 }
 
 func New(pickers []picker.Model) Model {
 	return Model{
-		active:  0,
-		pickers: pickers,
-		preview: *preview.New(colors.Hex(pickers[0].GetColor())),
+		active:   0,
+		pickers:  pickers,
+		preview:  *preview.New(colors.Hex(pickers[0].GetColor())),
+		help:     help.New(),
+		fullHelp: false,
 	}
 }
 
@@ -51,15 +57,36 @@ func (m Model) Init() tea.Cmd {
 }
 
 func (m Model) View() string {
-	v := "|"
+	tabs := "|"
 	for i, p := range m.pickers {
 		if i == m.active {
-			v += fmt.Sprintf(">%s<|", p.Title())
+			tabs += fmt.Sprintf(">%s<|", p.Title())
 		} else {
-			v += fmt.Sprintf(" %s |", p.Title())
+			tabs += fmt.Sprintf(" %s |", p.Title())
 		}
 	}
-	return fmt.Sprintf("%s\n%s\n%s", v, m.pickers[m.active].View(), m.preview.View())
+
+	pickerView := m.pickers[m.active].View()
+	w := lipgloss.Width(pickerView)
+
+	m.help.Styles.ShortKey.Width(w)
+	var helpstr string
+	if m.fullHelp {
+		helpstr = m.help.FullHelpView(m.AllKeys())
+	} else {
+		// This is a hack since the current view has too many keys
+		// and the horizontal "ShortHelpView" gets too wide.
+		// "FullHelpView" seperates keys by columns (and we only show the first).
+		// helpstr = m.help.FullHelpView([][]key.Binding{m.AllKeys()[0]})
+		helpstr = m.help.FullHelpView(shortKeys())
+	}
+
+	return fmt.Sprintf("%s\n%s\n%s\n%v",
+		tabs,
+		pickerView,
+		m.preview.View(),
+		helpstr,
+	)
 }
 
 func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
@@ -97,6 +124,9 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			cmyk := colors.CMYK{}.FromPrecise(pc).(colors.CMYK)
 			util.Copy(cmyk.String())
 
+		case key.Matches(msg, keys.help):
+			m.fullHelp = !m.fullHelp
+
 		case key.Matches(msg, keys.quit):
 			return quit.Model{}, tea.Quit
 
@@ -112,7 +142,6 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			return m, tea.Batch(cmds...)
 		}
 	default:
-		// fmt.Printf("\nmsg: %T\n", msg)
 	}
 	for i, p := range m.pickers {
 		newActive, cmd := p.Update(msg)