break out cli into ui subpackage

ui/graph.go

@@ -0,0 +1,89 @@
+package ui
+
+import (
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+
+	"github.com/taigrr/gico/commits"
+)
+
+type (
+	Graph struct {
+		Selected int
+		Year     int
+		Repos    []string
+		Authors  []string
+	}
+)
+
+func (m Graph) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	yearLen := YearLen(m.Year)
+	prevYearLen := YearLen(m.Year - 1)
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "down":
+			if m.Selected%7 != 6 {
+				m.Selected++
+			}
+		case "up":
+			if m.Selected%7 != 0 {
+				m.Selected--
+			}
+		case "left":
+			if m.Selected > 6 {
+				m.Selected -= 7
+			} else {
+				// TODO calculate the square for this day last year
+				m.Selected -= 7
+				m.Selected += prevYearLen
+				m.Year--
+				go func() {
+					mr := commits.RepoSet(m.Repos)
+					mr.FrequencyChan(m.Year-1, m.Authors)
+				}()
+			}
+		case "right":
+			if m.Selected < yearLen-7 {
+				m.Selected += 7
+			} else {
+				m.Selected += 7
+				m.Selected -= yearLen
+				m.Year++
+				go func() {
+					mr := commits.RepoSet(m.Repos)
+					mr.FrequencyChan(m.Year+1, m.Authors)
+				}()
+			}
+		}
+	}
+	return m, nil
+}
+
+func NewGraph(authors, repos []string) (Graph, error) {
+	var m Graph
+	now := time.Now()
+	today := now.YearDay() - 1
+	year := now.Year()
+	m.Repos = repos
+	m.Authors = authors
+	m.Year = year
+	m.Selected = today
+	return m, nil
+}
+
+func (m Graph) Init() tea.Cmd {
+	go func() {
+		mr := commits.RepoSet(m.Repos)
+		mr.FrequencyChan(m.Year-1, m.Authors)
+		mr.FrequencyChan(m.Year+1, m.Authors)
+	}()
+	return nil
+}
+
+func (m Graph) View() string {
+	mr := commits.RepoSet(m.Repos)
+	gfreq, _ := mr.FrequencyChan(m.Year, m.Authors)
+	return gfreq.StringSelected(m.Selected)
+}