From 544a57964980b39aeae23abf5a679644e216782b Mon Sep 17 00:00:00 2001
From: Brian Buller <brian@bullercodeworks.com>
Date: Thu, 23 Mar 2017 11:54:35 -0500
Subject: [PATCH] Started work on Interactive Mode

---
 config_mode.go |  4 +--
 main.go        |  8 +++---
 ui_mode.go     | 73 ++++++++++++++++++++++++++++++++++++++++++++------
 3 files changed, 71 insertions(+), 14 deletions(-)

diff --git a/config_mode.go b/config_mode.go
index e442b40..2a8933b 100644
--- a/config_mode.go
+++ b/config_mode.go
@@ -78,7 +78,7 @@ func configLayout(g *gocui.Gui) error {
 	return nil
 }
 
-func updateViews(g *gocui.Gui) error {
+func updateConfigViews(g *gocui.Gui) error {
 	for _, v := range g.Views() {
 		v.Clear()
 		switch v.Name() {
@@ -117,7 +117,7 @@ func toggleCalendar(g *gocui.Gui, v *gocui.View) error {
 		state.StatusMsg = "Calendar '" + calList[cy].Summary + "' Added to Defaults"
 		state.account.ActiveCalendars = append(state.account.ActiveCalendars, calList[cy].Id)
 	}
-	updateViews(g)
+	updateConfigViews(g)
 	return nil
 }
 
diff --git a/main.go b/main.go
index bd8c5a4..8b879dc 100644
--- a/main.go
+++ b/main.go
@@ -37,7 +37,7 @@ var state *AppState
 var parameters []string
 
 func main() {
-	parameters = []string{"add", "colors", "config", "event", "defaults", "delete", "next", "refresh", "today", "ui"}
+	parameters = []string{"add", "config", "event", "defaults", "delete", "next", "refresh", "today", "ui"}
 	var err error
 	var op string
 	state = &AppState{Name: AppName, Version: AppVersion}
@@ -196,9 +196,9 @@ func main() {
 			}
 		}
 
-	// case "ui":
-	// Open the UI mode
-	// DoUIMode()
+	case "ui":
+		// Open the UI mode
+		DoUIMode()
 
 	case "help":
 		printHelp()
diff --git a/ui_mode.go b/ui_mode.go
index f5a624e..55a5051 100644
--- a/ui_mode.go
+++ b/ui_mode.go
@@ -1,12 +1,27 @@
 package main
 
 import (
+	"fmt"
 	"log"
+	"time"
 
 	"github.com/jroimartin/gocui"
 )
 
+type UIState struct {
+	SelCalMonth time.Month
+	SelCalDay   int
+	SelCalYear  int
+}
+
+var uiState *UIState
+
 func DoUIMode() {
+	uiState = &UIState{
+		SelCalMonth: time.Now().Month(),
+		SelCalDay:   time.Now().Day(),
+		SelCalYear:  time.Now().Year(),
+	}
 	g, err := gocui.NewGui(gocui.Output256)
 	if err != nil {
 		log.Panicln(err)
@@ -15,23 +30,65 @@ func DoUIMode() {
 	g.Cursor = true
 	g.SetManagerFunc(uiLayout)
 
+	// Set up some keybindings
+	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
+		log.Panicln(err)
+	}
+	if err := g.SetKeybinding("", 'q', gocui.ModNone, quit); err != nil {
+		log.Panicln(err)
+	}
+
+	// And now the main loop
 	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
 		log.Panicln(err)
 	}
 }
 
-func updateUiViews(g *gocui.Gui) {
-	for _, v := range g.Views() {
-		v.Clear()
-	}
-}
-
 func uiLayout(g *gocui.Gui) error {
-	if v, err := g.SetView("cal_view", 0, 0, 20, 20); err != nil {
+	if v, err := g.SetView("cal_view", 0, 0, 20, 62); err != nil {
 		if err != gocui.ErrUnknownView {
 			return err
 		}
-		_ = v
+		v.SelBgColor = gocui.ColorGreen
+		v.SelFgColor = gocui.ColorBlack
+
+		drawCalendar(g, v)
+		if _, err = g.SetCurrentView("cal_view"); err != nil {
+			return err
+		}
 	}
 	return nil
 }
+
+func updateUiViews(g *gocui.Gui) error {
+	for _, v := range g.Views() {
+		v.Clear()
+		switch v.Name() {
+		case "cal_view":
+			if err := drawCalendar(g, v); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func drawCalendar(g *gocui.Gui, v *gocui.View) error {
+	// Print the 'Today' String
+	fmt.Fprintln(v, "<", uiState.SelCalMonth.String()[:3], uiState.SelCalDay, ",", uiState.SelCalYear, ">")
+	// Find the first of the month's week day
+	for wrkDay := 1; wrkDay <= 31; wrkDay++ {
+		wrkCalString := fmt.Sprintf("%04d%02d%02d", uiState.SelCalYear, uiState.SelCalMonth, wrkDay)
+		wrkTime, _ := time.Parse("20060102", wrkCalString)
+		fmt.Fprintf(v, "%04d%02d%02d\n", wrkTime.Year(), wrkTime.Month(), wrkTime.Day())
+		fmt.Fprintln(v, wrkTime.Weekday())
+		if wrkDay == 1 {
+			// For the first day, we need to space it in wrkTime.Weekday() spaces
+			for i := 0; i < int(wrkTime.Weekday()); i++ {
+
+			}
+		}
+	}
+
+	return nil
+}