Add proper fuzzy matching for time tags

components/autocomplete/autocomplete.go

@@ -1,18 +1,18 @@
 package autocomplete
 
 import (
-	"strings"
-
 	"github.com/charmbracelet/bubbles/key"
 	"github.com/charmbracelet/bubbles/textinput"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
+	"github.com/sahilm/fuzzy"
 )
 
 type Autocomplete struct {
 	input               textinput.Model
 	allSuggestions      []string // All available suggestions (newest first)
 	filteredSuggestions []string // Currently matching suggestions
+	matchedIndexes      [][]int  // Matched character positions for each suggestion
 	selectedIndex       int      // -1 = input focused, 0+ = suggestion selected
 	showSuggestions     bool     // Whether to display suggestion box
 	maxVisible          int      // Max suggestions to show
@@ -23,7 +23,7 @@ type Autocomplete struct {
 }
 
 // New creates a new autocomplete component
-func New(suggestions []string, minChars int) *Autocomplete {
+func New(suggestions []string, minChars int, maxVisible int) *Autocomplete {
 	ti := textinput.New()
 	ti.Width = 50
 
@@ -31,7 +31,7 @@ func New(suggestions []string, minChars int) *Autocomplete {
 		input:          ti,
 		allSuggestions: suggestions,
 		selectedIndex:  -1,
-		maxVisible:     5,
+		maxVisible:     maxVisible,
 		minChars:       minChars,
 		width:          50,
 	}
@@ -73,6 +73,16 @@ func (a *Autocomplete) SetWidth(width int) {
 	a.input.Width = width
 }
 
+// SetMaxVisible sets the maximum number of visible suggestions
+func (a *Autocomplete) SetMaxVisible(max int) {
+	a.maxVisible = max
+}
+
+// SetMinChars sets the minimum characters required before showing suggestions
+func (a *Autocomplete) SetMinChars(min int) {
+	a.minChars = min
+}
+
 // Init initializes the autocomplete
 func (a *Autocomplete) Init() tea.Cmd {
 	return textinput.Blink
@@ -171,15 +181,23 @@ func (a *Autocomplete) View() string {
 		}
 
 		prefix := "  "
-		style := lipgloss.NewStyle().Padding(0, 1)
+		baseStyle := lipgloss.NewStyle().Padding(0, 1)
 
 		if i == a.selectedIndex {
 			// Highlight selected suggestion
-			style = style.Bold(true).Foreground(lipgloss.Color("12"))
+			baseStyle = baseStyle.Bold(true).Foreground(lipgloss.Color("12"))
 			prefix = "→ "
 		}
 
-		suggestionViews = append(suggestionViews, style.Render(prefix+suggestion))
+		// Build suggestion with highlighted matched characters
+		var rendered string
+		if i < len(a.matchedIndexes) {
+			rendered = a.renderWithHighlights(suggestion, a.matchedIndexes[i], i == a.selectedIndex)
+		} else {
+			rendered = suggestion
+		}
+
+		suggestionViews = append(suggestionViews, baseStyle.Render(prefix+rendered))
 	}
 
 	// Box style
@@ -195,30 +213,70 @@ func (a *Autocomplete) View() string {
 	return lipgloss.JoinVertical(lipgloss.Left, inputView, suggestionsBox)
 }
 
+// renderWithHighlights renders a suggestion with matched characters highlighted
+func (a *Autocomplete) renderWithHighlights(str string, matchedIndexes []int, isSelected bool) string {
+	if len(matchedIndexes) == 0 {
+		return str
+	}
+
+	// Create a map for quick lookup
+	matchedMap := make(map[int]bool)
+	for _, idx := range matchedIndexes {
+		matchedMap[idx] = true
+	}
+
+	// Choose highlight style based on selection state
+	var highlightStyle lipgloss.Style
+	if isSelected {
+		// When selected, use underline to distinguish from selection bold
+		highlightStyle = lipgloss.NewStyle().Underline(true)
+	} else {
+		// When not selected, use bold and accent color
+		highlightStyle = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("12"))
+	}
+
+	// Build the string with highlights
+	var result string
+	runes := []rune(str)
+	for i, r := range runes {
+		if matchedMap[i] {
+			result += highlightStyle.Render(string(r))
+		} else {
+			result += string(r)
+		}
+	}
+
+	return result
+}
+
 // updateFilteredSuggestions filters suggestions based on current input
 func (a *Autocomplete) updateFilteredSuggestions() {
-	value := strings.ToLower(a.input.Value())
+	value := a.input.Value()
 
 	// Only show if >= minChars
 	if len(value) < a.minChars {
 		a.showSuggestions = false
 		a.filteredSuggestions = nil
+		a.matchedIndexes = nil
 		a.selectedIndex = -1
 		return
 	}
 
-	// Substring match (case-insensitive)
+	// Fuzzy match using sahilm/fuzzy
+	matches := fuzzy.Find(value, a.allSuggestions)
+
 	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
-			}
+	var indexes [][]int
+	for _, match := range matches {
+		filtered = append(filtered, match.Str)
+		indexes = append(indexes, match.MatchedIndexes)
+		if len(filtered) >= a.maxVisible {
+			break
 		}
 	}
 
 	a.filteredSuggestions = filtered
+	a.matchedIndexes = indexes
 	a.showSuggestions = len(filtered) > 0 && a.focused
 	a.selectedIndex = -1 // Reset to input
 }