feat: player statistics screen with run history

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

store/db.go

@@ -76,6 +76,39 @@ func (d *DB) SaveRun(player string, floor, score int) error {
 	})
 }
 
+type PlayerStats struct {
+	TotalRuns  int
+	BestFloor  int
+	TotalGold  int
+	TotalKills int
+	Victories  int
+}
+
+func (d *DB) GetStats(player string) (PlayerStats, error) {
+	var stats PlayerStats
+	err := d.db.View(func(tx *bolt.Tx) error {
+		b := tx.Bucket(bucketRankings)
+		if b == nil {
+			return nil
+		}
+		return b.ForEach(func(k, v []byte) error {
+			var r RunRecord
+			if json.Unmarshal(v, &r) == nil && r.Player == player {
+				stats.TotalRuns++
+				if r.Floor > stats.BestFloor {
+					stats.BestFloor = r.Floor
+				}
+				stats.TotalGold += r.Score
+				if r.Floor >= 20 {
+					stats.Victories++
+				}
+			}
+			return nil
+		})
+	})
+	return stats, err
+}
+
 func (d *DB) TopRuns(limit int) ([]RunRecord, error) {
 	var runs []RunRecord
 	err := d.db.View(func(tx *bolt.Tx) error {

ui/model.go

@@ -21,6 +21,7 @@ const (
 	screenShop
 	screenResult
 	screenHelp
+	screenStats
 )
 
 // StateUpdateMsg is sent by GameSession to update the view
@@ -107,6 +108,8 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		return m.updateResult(msg)
 	case screenHelp:
 		return m.updateHelp(msg)
+	case screenStats:
+		return m.updateStats(msg)
 	}
 	return m, nil
 }
@@ -134,6 +137,12 @@ func (m Model) View() string {
 		return renderResult(m.gameState, rankings)
 	case screenHelp:
 		return renderHelp(m.width, m.height)
+	case screenStats:
+		var stats store.PlayerStats
+		if m.store != nil {
+			stats, _ = m.store.GetStats(m.playerName)
+		}
+		return renderStats(m.playerName, stats, m.width, m.height)
 	}
 	return ""
 }
@@ -187,6 +196,8 @@ func (m Model) updateTitle(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m = m.withRefreshedLobby()
 		} else if isKey(key, "h") {
 			m.screen = screenHelp
+		} else if isKey(key, "s") {
+			m.screen = screenStats
 		} else if isQuit(key) {
 			return m, tea.Quit
 		}
@@ -194,6 +205,15 @@ func (m Model) updateTitle(msg tea.Msg) (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
+func (m Model) updateStats(msg tea.Msg) (tea.Model, tea.Cmd) {
+	if key, ok := msg.(tea.KeyMsg); ok {
+		if isKey(key, "s") || isEnter(key) || isQuit(key) {
+			m.screen = screenTitle
+		}
+	}
+	return m, nil
+}
+
 func (m Model) updateHelp(msg tea.Msg) (tea.Model, tea.Cmd) {
 	if key, ok := msg.(tea.KeyMsg); ok {
 		if isKey(key, "h") || isEnter(key) || isQuit(key) {

ui/stats_view.go

@@ -0,0 +1,30 @@
+package ui
+
+import (
+	"fmt"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/tolelom/catacombs/store"
+)
+
+func renderStats(playerName string, stats store.PlayerStats, width, height int) string {
+	title := styleHeader.Render("── Player Statistics ──")
+
+	var content string
+	content += stylePlayer.Render(fmt.Sprintf("  %s", playerName)) + "\n\n"
+	content += fmt.Sprintf("  Total Runs:   %s\n", styleGold.Render(fmt.Sprintf("%d", stats.TotalRuns)))
+	content += fmt.Sprintf("  Best Floor:   %s\n", styleGold.Render(fmt.Sprintf("B%d", stats.BestFloor)))
+	content += fmt.Sprintf("  Total Gold:   %s\n", styleGold.Render(fmt.Sprintf("%d", stats.TotalGold)))
+	content += fmt.Sprintf("  Victories:    %s\n", styleHeal.Render(fmt.Sprintf("%d", stats.Victories)))
+
+	winRate := 0.0
+	if stats.TotalRuns > 0 {
+		winRate = float64(stats.Victories) / float64(stats.TotalRuns) * 100
+	}
+	content += fmt.Sprintf("  Win Rate:     %s\n", styleSystem.Render(fmt.Sprintf("%.1f%%", winRate)))
+
+	footer := styleSystem.Render("[S] Back")
+
+	return lipgloss.Place(width, height, lipgloss.Center, lipgloss.Center,
+		lipgloss.JoinVertical(lipgloss.Center, title, "", content, "", footer))
+}

ui/title.go

@@ -44,7 +44,7 @@ func renderTitle(width, height int) string {
 	menu := lipgloss.NewStyle().
 		Foreground(colorWhite).
 		Bold(true).
-		Render("[Enter] Start    [H] Help    [Q] Quit")
+		Render("[Enter] Start    [H] Help    [S] Stats    [Q] Quit")
 
 	content := lipgloss.JoinVertical(lipgloss.Center,
 		logo,