1 files changed, 150 insertions, 0 deletions
diff --git a/internal/tui/timer.go b/internal/tui/timer.go
new file mode 100644
index 0000000..827951d
--- /dev/null
+++ b/internal/tui/timer.go
@@ -0,0 +1,150 @@
+package tui
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"punchcard/internal/queries"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+// TimerModel represents the timer view model
+type TimerModel struct {
+	ctx       context.Context
+	queries   *queries.Queries
+	timerInfo TimerInfo
+	stats     TimeStats
+	lastTick  time.Time
+}
+
+// NewTimerModel creates a new timer model
+func NewTimerModel(ctx context.Context, q *queries.Queries) TimerModel {
+	return TimerModel{
+		ctx:     ctx,
+		queries: q,
+	}
+}
+
+// Init initializes the timer model
+func (m TimerModel) Init() tea.Cmd {
+	return tea.Batch(
+		m.updateData(),
+		m.tickCmd(),
+	)
+}
+
+// Update handles messages for the timer model
+func (m TimerModel) Update(msg tea.Msg) (TimerModel, tea.Cmd) {
+	switch msg := msg.(type) {
+	case TickMsg:
+		// Update timer duration if active
+		if m.timerInfo.IsActive {
+			m.timerInfo.Duration = time.Since(m.timerInfo.StartTime)
+		}
+		m.lastTick = time.Time(msg)
+		return m, m.tickCmd()
+	}
+	
+	return m, nil
+}
+
+// View renders the timer view
+func (m TimerModel) View(width, height int) string {
+	var content string
+	
+	if m.timerInfo.IsActive {
+		content += m.renderActiveTimer()
+	} else {
+		content += m.renderInactiveTimer()
+	}
+	
+	return content
+}
+
+// renderActiveTimer renders the active timer display
+func (m TimerModel) renderActiveTimer() string {
+	var content string
+	
+	// Timer status
+	timerLine := fmt.Sprintf("⏱ Tracking: %s", FormatDuration(m.timerInfo.Duration))
+	content += activeTimerStyle.Render(timerLine) + "\n"
+	
+	// Project/Client info
+	if m.timerInfo.ProjectName != "" {
+		projectLine := fmt.Sprintf("Project: %s / %s", m.timerInfo.ClientName, m.timerInfo.ProjectName)
+		content += projectLine + "\n"
+	} else {
+		clientLine := fmt.Sprintf("Client: %s", m.timerInfo.ClientName)
+		content += clientLine + "\n"
+	}
+	
+	// Description if available
+	if m.timerInfo.Description != "" {
+		descLine := fmt.Sprintf("Description: %s", m.timerInfo.Description)
+		content += descLine + "\n"
+	}
+	
+	// Billable rate if available
+	if m.timerInfo.BillableRate != nil {
+		rateLine := fmt.Sprintf("Rate: $%.2f/hr", *m.timerInfo.BillableRate)
+		content += rateLine + "\n"
+	}
+	
+	// Start time (convert from UTC to local)
+	localStartTime := m.timerInfo.StartTime.Local()
+	startLine := fmt.Sprintf("Started: %s", localStartTime.Format("3:04 PM"))
+	content += startLine + "\n"
+	
+	return content
+}
+
+// renderInactiveTimer renders the inactive timer display
+func (m TimerModel) renderInactiveTimer() string {
+	var content string
+	
+	content += inactiveTimerStyle.Render("⚪ No active timer") + "\n"
+	content += "\n"
+	content += "Ready to start tracking time.\n"
+	
+	return content
+}
+
+// updateData fetches fresh data from the database
+func (m TimerModel) updateData() tea.Cmd {
+	return func() tea.Msg {
+		// Get timer info
+		timerInfo, err := GetTimerInfo(m.ctx, m.queries)
+		if err != nil {
+			// Handle error silently for now
+			return nil
+		}
+		
+		// Get time stats
+		stats, err := GetTimeStats(m.ctx, m.queries)
+		if err != nil {
+			// Handle error silently for now
+			return nil
+		}
+		
+		return dataUpdatedMsg{
+			timerInfo: timerInfo,
+			stats:     stats,
+		}
+	}
+}
+
+// tickCmd returns a command that sends a tick message every second
+func (m TimerModel) tickCmd() tea.Cmd {
+	return tea.Tick(time.Second, func(t time.Time) tea.Msg {
+		return TickMsg(t)
+	})
+}
+
+// UpdateData updates the model with fresh data
+func (m TimerModel) UpdateData(timerInfo TimerInfo, stats TimeStats) TimerModel {
+	m.timerInfo = timerInfo
+	m.stats = stats
+	return m
+}