Initial Commit

tui/update.go

@@ -0,0 +1,109 @@
+package tui
+
+import (
+      "context"
+      "time"
+
+      "git.skdevstudios.com/SK-Development-Studios/go-cal-tui/internal/storage"
+
+      tea "github.com/charmbracelet/bubbletea"
+)
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+      switch m.mode {
+      case monthView:
+              return m.updateMonthView(msg)
+      case hourlyView:
+              return m.updateHourlyView(msg)
+      default:
+              return m, nil
+      }
+}
+
+func (m model) updateMonthView(msg tea.Msg) (tea.Model, tea.Cmd) {
+      firstDay := time.Date(m.year, time.Month(m.monthIndex+1), 1, 0, 0, 0, 0, time.UTC)
+      m.startOffset = int(firstDay.Weekday())
+      m.daysInMonth = time.Date(m.year, time.Month(m.monthIndex+2), 0, 0, 0, 0, 0, time.UTC).Day()
+
+      switch msg := msg.(type) {
+      case tea.KeyMsg:
+              switch msg.String() {
+              case "ctrl+c", "q":
+                      return m, tea.Quit
+              case "a": // Previous month
+                      if m.monthIndex == 0 {
+                              m.monthIndex = 11
+                              m.year--
+                      } else {
+                              m.monthIndex--
+                      }
+              case "d": // Next month
+                      if m.monthIndex == 11 {
+                              m.monthIndex = 0
+                              m.year++
+                      } else {
+                              m.monthIndex++
+                      }
+              case "up":
+                      if m.cursorRow > 0 {
+                              m.cursorRow--
+                      }
+              case "down":
+                      if m.cursorRow < numRows-1 {
+                              m.cursorRow++
+                      }
+              case "left":
+                      if m.cursorCol > 0 {
+                              m.cursorCol--
+                      }
+              case "right":
+                      if m.cursorCol < numCols-1 {
+                              m.cursorCol++
+                      }
+              case "enter":
+                      dayIndex := m.cursorRow*numCols + m.cursorCol
+                      if dayIndex >= m.startOffset && dayIndex < m.startOffset+m.daysInMonth {
+                              m.selectedDay = dayIndex - m.startOffset + 1
+                              m.hourCursor = 0
+                              m.mode = hourlyView
+                      }
+              }
+
+              // Clamp cursor to valid days
+              dayIndex := m.cursorRow*numCols + m.cursorCol
+              if dayIndex < m.startOffset || dayIndex >= m.startOffset+m.daysInMonth {
+                      m.cursorRow = m.startOffset / numCols
+                      m.cursorCol = m.startOffset % numCols
+              }
+              return m, nil
+      default:
+              return m, nil
+      }
+}
+
+func (m model) updateHourlyView(msg tea.Msg) (tea.Model, tea.Cmd) {
+      switch msg := msg.(type) {
+      case tea.KeyMsg:
+              switch msg.String() {
+              case "n":
+                      showEventForm(context.Background(), func(e storage.EventInput) {
+                              _ = storage.SaveEvent(e)
+                      })
+              case "esc":
+                      m.mode = monthView
+                      return m, nil
+              case "ctrl+c", "q":
+                      return m, tea.Quit
+              case "up":
+                      if m.hourCursor > 0 {
+                              m.hourCursor--
+                      }
+              case "down":
+                      if m.hourCursor < 23 {
+                              m.hourCursor++
+                      }
+              }
+      }
+      return m, nil
+}
+