// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0

package main

// An app to submit patches for the 30 GO GUI repos

import (
	"fmt"
	"os"
	"strings"
	"time"

	"go.wit.com/gui"
	"go.wit.com/lib/gadgets"
	"go.wit.com/lib/protobuf/virtpb"
	"go.wit.com/lib/protobuf/zoopb"
	"go.wit.com/log"
)

func debug() {
	for {
		time.Sleep(90 * time.Second)
		log.Info("TODO: zookeeper scan here. repo count =")
	}
}

func doGui() {
	me.myGui = gui.New()
	me.myGui.InitEmbed(resources)
	me.myGui.Default()

	mainWindow := gadgets.RawBasicWindow("Zookeeper: (inventory your cluster)")
	mainWindow.Make()
	mainWindow.Show()
	mainWindow.Custom = func() {
		log.Warn("Main window close")
		os.Exit(0)
	}

	drawWindow(mainWindow)

	// sits here forever
	debug()

}

func drawWindow(win *gadgets.BasicWindow) {
	box := win.Box()

	vbox := box.NewVerticalBox("BOX2")

	group1 := vbox.NewGroup("Zookeeper Settings")
	grid := group1.NewGrid("buildOptions", 0, 0)

	var hyperWin *GenericWindow
	grid.NewButton("hypervisors", func() {
		if hyperWin != nil {
			hyperWin.Toggle()
			return
		}
		hyperWin = makeHypervisorsWindow(me.cluster.H)
	})

	var dropWin *GenericWindow
	grid.NewButton("droplets", func() {
		if dropWin != nil {
			dropWin.Toggle()
			return
		}
		d := me.cluster.GetDropletsPB()
		var found *virtpb.Droplets
		found = virtpb.NewDroplets()
		all := d.All()
		for all.Scan() {
			vm := all.Next()
			if vm.Current.State != virtpb.DropletState_ON {
				continue
			}
			found.Append(vm)
		}
		dropWin, _ = makeDropletsWindow(found)
		dropWin.Win.Custom = func() {
			log.Info("hiding droplet table window")
		}
	})

	var eventWin *GenericWindow
	grid.NewButton("events)", func() {
		log.Info("todo: make code for this")
		if eventWin != nil {
			eventWin.Toggle()
			return
		}
		e := me.cluster.GetEventsPB()
		eventWin = makeEventsWindow(e)
	})

	grid.NewButton("ConfigSave()", func() {
		log.Info("todo: make code for this")
	})

	var testWin *GenericWindow
	grid.NewButton("create droplet", func() {
		if testWin != nil {
			testWin.Toggle()
			return
		}
		d := me.cluster.GetDropletsPB()
		testWin, _ = makeDropletsWindow(d)
	})
}

func findVersion(m *zoopb.Machine, pkgname string) string {
	zood := m.Packages.FindByName(pkgname)
	if zood == nil {
		return "n/a"
	}
	return zood.Version
}

func makeDropletsWindow(pb *virtpb.Droplets) (*GenericWindow, *virtpb.DropletsTable) {
	win := NewGenericWindow("Droplets registered with Virtigo", "Buttons of things")
	t := pb.NewTable("test 2")

	grid := win.Group.RawGrid()
	grid.NewButton("Create", func() {
		log.Info("todo: open create window here")
	})
	grid.NewButton("Show All", func() {
		log.Info("todo")
	})

	grid.NewButton("Update", func() {
		t.Update()
	})

	tbox := win.Bottom.Box()
	t.SetParent(tbox)
	t.AddHostname()
	t.AddStringFunc("location", func(d *virtpb.Droplet) string {
		return d.Current.Hypervisor
	})
	t.AddMemory()
	t.AddCpus()
	t.AddTimeFunc("age", func(d *virtpb.Droplet) time.Time {
		age := d.Current.OnSince.AsTime()
		log.Info("age", d.Hostname, virtpb.FormatDuration(time.Since(age)))
		return age
	})
	t.AddStringFunc("State", func(d *virtpb.Droplet) string {
		if d.Current.State == virtpb.DropletState_ON {
			return "ON"
		}
		if d.Current.State == virtpb.DropletState_OFF {
			return "OFF"
		}
		return "UNKNOWN"
	})
	t.AddStringFunc("mac addr", func(d *virtpb.Droplet) string {
		var macs []string
		for _, n := range d.Networks {
			macs = append(macs, n.Mac)
		}
		tmp := strings.Join(macs, "\n")
		return strings.TrimSpace(tmp)
	})
	t.ShowTable()
	return win, t
}

func makeHypervisorsWindow(pb *virtpb.Hypervisors) *GenericWindow {
	win := NewGenericWindow("Hypervisors registered with Virtigo", "Buttons of things")
	grid := win.Group.RawGrid()
	grid.NewButton("List", func() {
		log.Info("list...")
	})

	tbox := win.Bottom.Box() // a vertical box (like a stack of books)
	t := pb.NewTable("test 2")
	t.SetParent(tbox)
	t.AddHostname()
	t.AddMemory()
	t.AddCpus()
	t.AddTimeFunc("last poll", func(h *virtpb.Hypervisor) time.Time {
		hm := me.hmap[h]
		tmp := hm.lastpoll
		log.Info("poll age", h.Hostname, virtpb.FormatDuration(time.Since(tmp)))
		return tmp
	})
	t.AddKillcount()
	t.AddStringFunc("droplets", func(h *virtpb.Hypervisor) string {
		var totalDroplets int
		var totalUnknownDroplets int
		// dur := time.Since(h.lastpoll)
		// tmp := virtpb.FormatDuration(dur)
		// fmt.Fprintln(w, h.pb.Hostname, "killcount =", h.killcount, "lastpoll:", tmp)
		hm := me.hmap[h]
		for name, _ := range hm.lastDroplets {
			totalDroplets += 1
			d := me.cluster.FindDropletByName(name)
			if d == nil {
				totalUnknownDroplets += 1
			}
		}
		log.Printf("Total Droplets %d total libvirt only droplets = %d\n", totalDroplets, totalUnknownDroplets)
		return fmt.Sprintf("%d", totalDroplets)
	})
	t.ShowTable()
	return win
}

func makeEventsWindow(pb *virtpb.Events) *GenericWindow {
	win := NewGenericWindow("Cluster Events", "Buttons of things")
	grid := win.Group.RawGrid()
	grid.NewButton("List", func() {
		log.Info("list...")
	})
	tmp := fmt.Sprintf("num of events = %d", pb.Len())
	grid.NewLabel(tmp)

	tbox := win.Bottom.Box() // a vertical box (like a stack of books)
	t := pb.NewTable("test 2")
	t.SetParent(tbox)
	t.AddDroplet()
	t.AddHypervisor()
	t.ShowTable()
	return win
}