1 files changed, 114 insertions, 0 deletions
diff --git a/internal/app/state.go b/internal/app/state.go
new file mode 100644
index 0000000..82e186d
--- /dev/null
+++ b/internal/app/state.go
@@ -0,0 +1,114 @@
+package app
+
+import (
+	"strings"
+	"time"
+
+	"github.com/Fuwn/faustus/internal/claude"
+)
+
+func (m *Model) updateFiltered() {
+	query := strings.ToLower(m.searchInput.Value())
+	m.filtered = nil
+
+	for _, session := range m.sessions {
+		if m.tab == TabTrash && !session.InTrash {
+			continue
+		}
+
+		if m.tab == TabSessions && session.InTrash {
+			continue
+		}
+
+		if query != "" {
+			searchable := strings.ToLower(session.Summary + " " + session.FirstPrompt + " " + session.ProjectName + " " + session.GitBranch)
+
+			if !strings.Contains(searchable, query) {
+				continue
+			}
+		}
+
+		m.filtered = append(m.filtered, session)
+	}
+
+	if m.cursor >= len(m.filtered) {
+		m.cursor = max(0, len(m.filtered)-1)
+	}
+}
+
+func (m *Model) setMessage(statusMessage string) {
+	m.message = statusMessage
+	m.messageTime = time.Now()
+}
+
+func (m *Model) selectedSession() *claude.Session {
+	if m.cursor >= 0 && m.cursor < len(m.filtered) {
+		sessionID := m.filtered[m.cursor].SessionID
+
+		for index := range m.sessions {
+			if m.sessions[index].SessionID == sessionID {
+				return &m.sessions[index]
+			}
+		}
+	}
+
+	return nil
+}
+
+func (m *Model) updateFilteredFromOriginal() {
+	if m.cursor >= 0 && m.cursor < len(m.filtered) {
+		sessionID := m.filtered[m.cursor].SessionID
+
+		for _, session := range m.sessions {
+			if session.SessionID == sessionID {
+				m.filtered[m.cursor] = session
+
+				break
+			}
+		}
+	}
+}
+
+func (m *Model) reloadSessions() {
+	sessions, loadError := claude.LoadAllSessions()
+
+	if loadError == nil {
+		m.sessions = sessions
+
+		m.updateFiltered()
+	}
+}
+
+func (m *Model) ensureVisible() {
+	visibleHeight := m.listHeight()
+
+	if m.cursor < m.offset {
+		m.offset = m.cursor
+	}
+
+	if m.cursor >= m.offset+visibleHeight {
+		m.offset = m.cursor - visibleHeight + 1
+	}
+}
+
+func (m Model) listWidth() int {
+	if m.showPreview {
+		return m.width / 2
+	}
+
+	return m.width
+}
+
+func (m Model) previewWidth() int {
+	return m.width - m.listWidth() - 3
+}
+
+func (m Model) listHeight() int {
+	reserved := 8
+
+	if m.showHelp {
+		reserved += 12
+	}
+
+	return max(1, m.height-reserved)
+}