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

package main

import (
	"fmt"
	"sync"
	"time"

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

type stdTableWin struct {
	sync.Mutex
	win      *gadgets.GenericWindow // the machines gui window
	box      *gui.Node              // the machines gui parent box widget
	TB       *zoopb.MachinesTable   // the machines gui table buffer
	version  string                 // the current zood version
	versionL *gui.Node              // label widget to display the current zood version
	update   bool                   // if the window should be updated
}

func (w *stdTableWin) Toggle() {
	if w == nil {
		return
	}
	if w.win == nil {
		return
	}
	w.win.Toggle()
}

func makeZoodWin() *stdTableWin {
	zood := new(stdTableWin)
	zood.win = gadgets.NewGenericWindow("zood daemon versions", "todo: add global controls here")
	zood.win.Custom = func() {
		log.Info("test delete window here")
	}
	grid := zood.win.Group.RawGrid()
	grid.NewButton("save machines.pb", func() {
		saveMachineState()
	})
	grid.NewButton("show active", func() {
		zood.doMachinesUpgradeTable(me.machines)
	})
	grid.NewButton("refresh", func() {
		refresh()
	})
	zood.versionL = grid.NewLabel("scan")
	grid.NewButton("show out of date", func() {
		found := zoopb.NewMachines()
		all := me.machines.All()
		for all.Scan() {
			m := all.Next()
			if findVersion(m, "zood") != me.zood.version {
				found.Append(m)
			}
		}
		zood.doMachinesUpgradeTable(found)
	})

	// make a box at the bottom of the window for the protobuf table
	zood.box = zood.win.Bottom.Box().SetProgName("TBOX")
	zood.doMachinesUpgradeTable(me.machines)

	return zood
}

func (zood *stdTableWin) doMachinesUpgradeTable(pb *zoopb.Machines) {
	zood.Lock()
	defer zood.Unlock()
	if zood.TB != nil {
		zood.TB.Delete()
		zood.TB = nil
	}

	/*
		found := zoopb.NewMachines()
		all := pb.SortByHostname()
		for all.Scan() {
			m := all.Next()
			found.Append(m)
		}
	*/

	// display the protobuf
	zood.TB = AddMachinesPB(zood.box, pb)
	f := func(m *zoopb.Machine) {
		log.Info("Triggering machine", m.Hostname, "to upgrade zood")
		m.Upgrade = true
	}
	zood.TB.Custom(f)
	log.Info("table has uuid", zood.TB.GetUuid())
}

func AddMachinesPB(tbox *gui.Node, pb *zoopb.Machines) *zoopb.MachinesTable {
	t := pb.NewTable("MachinesPB")
	t.NewUuid()
	t.SetParent(tbox)

	upbut := t.AddButtonFunc("upgrade", func(m *zoopb.Machine) string {
		if me.zood != nil {
			mver := findVersion(m, "zood")
			if mver == me.zood.version {
				return ""
			} else {
				// log.Info("machine mismatch", m.Hostname, mver, me.zood.version)
			}
		}
		// log.Info("machine =", m.Hostname)
		return "now"
	})
	upbut.Custom = func(m *zoopb.Machine) {
		log.Info("Triggering machine", m.Hostname, "to upgrade zood")
		m.Upgrade = true
	}

	t.AddHostname()
	t.AddMemory()
	t.AddCpus()
	t.AddStringFunc("sMB", func(m *zoopb.Machine) string {
		return fmt.Sprintf("%d mb", m.Memory/(1024*1024))
	})

	t.AddStringFunc("zood", func(m *zoopb.Machine) string {
		return findVersion(m, "zood")
	})
	delf := func(m *zoopb.Machine) string {
		return "delete"
	}
	t.AddButtonFunc("delete", delf)

	/*
		// show if the machine needs to be upgraded
		t.AddStringFunc("triggered?", func(m *zoopb.Machine) string {
			if m.Upgrade {
				return "yes"
			}
			return ""
		})
	*/

	t.AddTimeFunc("age", func(m *zoopb.Machine) time.Time {
		return m.Laststamp.AsTime()
	})

	t.ShowTable()
	return t
}

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