From 0dd71db839d29b638e3072259bc9ab44c6864a2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Paul=20B=C3=BCtow?=
 <1224732+snonux@users.noreply.github.com>
Date: Fri, 20 Jun 2025 00:09:10 +0300
Subject: Add help screen and improve due date display

---
 cmd/tasksamurai/main.go | 19 ++++++++++++++-----
 internal/ui/table.go    | 34 ++++++++++++++++++++++++++++++++--
 2 files changed, 46 insertions(+), 7 deletions(-)

diff --git a/cmd/tasksamurai/main.go b/cmd/tasksamurai/main.go
index 424d0d8..658cb05 100644
--- a/cmd/tasksamurai/main.go
+++ b/cmd/tasksamurai/main.go
@@ -7,6 +7,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/charmbracelet/lipgloss"
+
 	"tasksamurai/internal/task"
 	"tasksamurai/internal/ui"
 
@@ -66,18 +68,25 @@ func taskToRow(t task.Task) table.Row {
 		t.Priority,
 		tags,
 		t.Recur,
-		formatDate(t.Due),
+		formatDue(t.Due),
 		urg,
 		strings.Join(anns, "; "),
 	}
 }
 
-func formatDate(s string) string {
+func formatDue(s string) string {
 	if s == "" {
 		return ""
 	}
-	if ts, err := time.Parse("20060102T150405Z", s); err == nil {
-		return ts.Format("2006-01-02")
+	ts, err := time.Parse("20060102T150405Z", s)
+	if err != nil {
+		return s
+	}
+
+	days := int(time.Until(ts).Hours() / 24)
+	val := fmt.Sprintf("%dd", days)
+	if days < 0 {
+		val = lipgloss.NewStyle().Background(lipgloss.Color("1")).Render(val)
 	}
-	return s
+	return val
 }
diff --git a/internal/ui/table.go b/internal/ui/table.go
index 682a680..af85acb 100644
--- a/internal/ui/table.go
+++ b/internal/ui/table.go
@@ -7,7 +7,10 @@ import (
 )
 
 // Model wraps a Bubble Tea table.Model to display tasks.
-type Model struct{ tbl table.Model }
+type Model struct {
+	tbl      table.Model
+	showHelp bool
+}
 
 // New creates a new UI model with the provided rows.
 func New(rows []table.Row) Model {
@@ -45,11 +48,38 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case tea.WindowSizeMsg:
 		m.tbl.SetWidth(msg.Width)
 		m.tbl.SetHeight(msg.Height - 2)
+		return m, nil
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "?":
+			m.showHelp = true
+			return m, nil
+		case "q":
+			if m.showHelp {
+				m.showHelp = false
+				return m, nil
+			}
+			return m, tea.Quit
+		}
+	}
+
+	if m.showHelp {
+		return m, nil
 	}
+
 	var cmd tea.Cmd
 	m.tbl, cmd = m.tbl.Update(msg)
 	return m, cmd
 }
 
 // View renders the table UI.
-func (m Model) View() string { return m.tbl.View() }
+func (m Model) View() string {
+	if m.showHelp {
+		return lipgloss.JoinVertical(lipgloss.Left,
+			m.tbl.HelpView(),
+			"q: quit",
+			"?: help", // show help toggle line
+		)
+	}
+	return m.tbl.View()
+}
-- 
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