Add fuzzy matching for time tags

components/autocomplete/autocomplete.go

@@ -0,0 +1,224 @@
+package autocomplete
+
+import (
+	"strings"
+
+	"github.com/charmbracelet/bubbles/key"
+	"github.com/charmbracelet/bubbles/textinput"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+type Autocomplete struct {
+	input               textinput.Model
+	allSuggestions      []string // All available suggestions (newest first)
+	filteredSuggestions []string // Currently matching suggestions
+	selectedIndex       int      // -1 = input focused, 0+ = suggestion selected
+	showSuggestions     bool     // Whether to display suggestion box
+	maxVisible          int      // Max suggestions to show
+	minChars            int      // Min chars before showing suggestions
+	focused             bool
+	width               int
+	placeholder         string
+}
+
+// New creates a new autocomplete component
+func New(suggestions []string, minChars int) *Autocomplete {
+	ti := textinput.New()
+	ti.Width = 50
+
+	return &Autocomplete{
+		input:          ti,
+		allSuggestions: suggestions,
+		selectedIndex:  -1,
+		maxVisible:     5,
+		minChars:       minChars,
+		width:          50,
+	}
+}
+
+// SetValue sets the input value
+func (a *Autocomplete) SetValue(value string) {
+	a.input.SetValue(value)
+	a.updateFilteredSuggestions()
+}
+
+// GetValue returns the current input value
+func (a *Autocomplete) GetValue() string {
+	return a.input.Value()
+}
+
+// Focus focuses the autocomplete input
+func (a *Autocomplete) Focus() {
+	a.focused = true
+	a.input.Focus()
+}
+
+// Blur blurs the autocomplete input
+func (a *Autocomplete) Blur() {
+	a.focused = false
+	a.input.Blur()
+	a.showSuggestions = false
+}
+
+// SetPlaceholder sets the placeholder text
+func (a *Autocomplete) SetPlaceholder(placeholder string) {
+	a.placeholder = placeholder
+	a.input.Placeholder = placeholder
+}
+
+// SetWidth sets the width of the autocomplete
+func (a *Autocomplete) SetWidth(width int) {
+	a.width = width
+	a.input.Width = width
+}
+
+// Init initializes the autocomplete
+func (a *Autocomplete) Init() tea.Cmd {
+	return textinput.Blink
+}
+
+// Update handles messages for the autocomplete
+func (a *Autocomplete) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if !a.focused {
+		return a, nil
+	}
+
+	var cmd tea.Cmd
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch {
+		case key.Matches(msg, key.NewBinding(key.WithKeys("down"))):
+			if a.showSuggestions && len(a.filteredSuggestions) > 0 {
+				a.selectedIndex++
+				if a.selectedIndex >= len(a.filteredSuggestions) {
+					a.selectedIndex = 0
+				}
+				return a, nil
+			}
+
+		case key.Matches(msg, key.NewBinding(key.WithKeys("up"))):
+			if a.showSuggestions && len(a.filteredSuggestions) > 0 {
+				a.selectedIndex--
+				if a.selectedIndex < 0 {
+					a.selectedIndex = len(a.filteredSuggestions) - 1
+				}
+				return a, nil
+			}
+
+		case key.Matches(msg, key.NewBinding(key.WithKeys("enter"))):
+			if a.showSuggestions && a.selectedIndex >= 0 && a.selectedIndex < len(a.filteredSuggestions) {
+				// Accept selected suggestion
+				a.input.SetValue(a.filteredSuggestions[a.selectedIndex])
+				a.showSuggestions = false
+				a.selectedIndex = -1
+				return a, nil
+			}
+
+		case key.Matches(msg, key.NewBinding(key.WithKeys("tab"))):
+			if a.showSuggestions && len(a.filteredSuggestions) > 0 {
+				// Accept first or selected suggestion
+				if a.selectedIndex >= 0 && a.selectedIndex < len(a.filteredSuggestions) {
+					a.input.SetValue(a.filteredSuggestions[a.selectedIndex])
+				} else {
+					a.input.SetValue(a.filteredSuggestions[0])
+				}
+				a.showSuggestions = false
+				a.selectedIndex = -1
+				return a, nil
+			}
+
+		case key.Matches(msg, key.NewBinding(key.WithKeys("esc"))):
+			if a.showSuggestions {
+				a.showSuggestions = false
+				a.selectedIndex = -1
+				return a, nil
+			}
+
+		default:
+			// Handle regular text input
+			prevValue := a.input.Value()
+			a.input, cmd = a.input.Update(msg)
+
+			// Update suggestions if value changed
+			if a.input.Value() != prevValue {
+				a.updateFilteredSuggestions()
+			}
+
+			return a, cmd
+		}
+	}
+
+	a.input, cmd = a.input.Update(msg)
+	return a, cmd
+}
+
+// View renders the autocomplete
+func (a *Autocomplete) View() string {
+	// Input field
+	inputView := a.input.View()
+
+	if !a.showSuggestions || len(a.filteredSuggestions) == 0 {
+		return inputView
+	}
+
+	// Suggestion box
+	var suggestionViews []string
+	for i, suggestion := range a.filteredSuggestions {
+		if i >= a.maxVisible {
+			break
+		}
+
+		prefix := "  "
+		style := lipgloss.NewStyle().Padding(0, 1)
+
+		if i == a.selectedIndex {
+			// Highlight selected suggestion
+			style = style.Bold(true).Foreground(lipgloss.Color("12"))
+			prefix = "→ "
+		}
+
+		suggestionViews = append(suggestionViews, style.Render(prefix+suggestion))
+	}
+
+	// Box style
+	boxStyle := lipgloss.NewStyle().
+		Border(lipgloss.RoundedBorder()).
+		BorderForeground(lipgloss.Color("8")).
+		Width(a.width)
+
+	suggestionsBox := boxStyle.Render(
+		lipgloss.JoinVertical(lipgloss.Left, suggestionViews...),
+	)
+
+	return lipgloss.JoinVertical(lipgloss.Left, inputView, suggestionsBox)
+}
+
+// updateFilteredSuggestions filters suggestions based on current input
+func (a *Autocomplete) updateFilteredSuggestions() {
+	value := strings.ToLower(a.input.Value())
+
+	// Only show if >= minChars
+	if len(value) < a.minChars {
+		a.showSuggestions = false
+		a.filteredSuggestions = nil
+		a.selectedIndex = -1
+		return
+	}
+
+	// Substring match (case-insensitive)
+	var filtered []string
+	for _, suggestion := range a.allSuggestions {
+		if strings.Contains(strings.ToLower(suggestion), value) {
+			filtered = append(filtered, suggestion)
+			if len(filtered) >= a.maxVisible {
+				break
+			}
+		}
+	}
+
+	a.filteredSuggestions = filtered
+	a.showSuggestions = len(filtered) > 0 && a.focused
+	a.selectedIndex = -1 // Reset to input
+}