package main

import "log"
import "io/ioutil"
import "fmt"
import "github.com/mitchellh/go-homedir"
// import "os"
import "strings"

import "github.com/gookit/config"
import "github.com/andlabs/ui"

/*
import "bytes"
import "context"
import "errors"
import "fmt"
import "go/ast"
import "go/format"
import "go/printer"
import "go/token"
import "go/types"
import "io/ioutil"
import "path/filepath"
import "sort"
import "strconv"
import "unicode"
import "unicode/utf8"

import "golang.org/x/tools/go/ast/astutil"
import "golang.org/x/tools/go/packages"
*/

// dns
// import "github.com/miekg/dns"

// reminder to use protobuf
// https://github.com/golang/protobuf

// reminder to use this for JSON
// https://github.com/tidwall/gjson
//   value := gjson.Get(json, "name.last")
//   println(value.String())
//   value := gjson.Get(json, friends.#[last=="Murphy"].first)

// use mergo to merge structs
// import "github.com/imdario/mergo"
// mergo.Merge(&dest, src)

// always sorted slice (new project)
// https://github.com/yaa110/sslice

var mainwin *ui.Window

func hostnameStuff() ui.Control {
	tmpbox := ui.NewHorizontalBox()
	tmpbox.SetPadded(true)

	// start hostname button
	// hostname := config.String("hostname")
	// hostname, error := os.Hostname()

	tmpButton := ui.NewButton(config.String("hostname"))
	tmpbox.Append(tmpButton, false)
	tmpButton.OnClicked(func(*ui.Button) {
		log.Println("hostname =", config.String("hostname"))
		config.Set("hostname", "librem15.lab.wit.com")
	})
	// tmpbox.Append(ui.NewLabel("hostname '" + hostname + "' is invalid"), false)

	return tmpbox
}

func hostnameButton(hostname string) ui.Control {
	tmpbox := ui.NewHorizontalBox()
	tmpbox.SetPadded(true)

	tmpButton := ui.NewButton(hostname)
	tmpbox.Append(tmpButton, false)
	tmpButton.OnClicked(func(*ui.Button) {
		log.Println("hostname =", config.String("hostname"), tmpButton)
	})
	// tmpbox.Append(ui.NewLabel("hostname '" + hostname), false)

	return tmpbox
}

func listPhysicalMachines(vbox *ui.Box, machineType string) {
	home, _ := homedir.Dir()
	files, err := ioutil.ReadDir(home+"/wit/ansible/inventory-usw2/host_vars/")
	if err != nil {
		log.Println(err)
		return
	}

	for _, f := range files {
		s := strings.Split(f.Name(), ".")
		if strings.HasPrefix(s[1], machineType) {
			fmt.Println(f.Name(), s)
			vbox.Append(hostnameButton(f.Name()), false)
		}
	}
}


func makeBasicControlsPage(machineType string) ui.Control {
	vbox := ui.NewVerticalBox()
	vbox.SetPadded(true)

	hbox := ui.NewHorizontalBox()
	hbox.SetPadded(true)
	vbox.Append(hbox, false)

	listPhysicalMachines(vbox, machineType)

	vbox.Append(ui.NewHorizontalSeparator(), false)

	return vbox
}

func makeGroupEntries() ui.Control {
	group := ui.NewGroup("Entries")
	group.SetMargined(true)

	group.SetChild(ui.NewNonWrappingMultilineEntry())

	entryForm := ui.NewForm()
	entryForm.SetPadded(true)
	group.SetChild(entryForm)

	entryForm.Append("Entry", ui.NewEntry(), false)
	entryForm.Append("Password Entry", ui.NewPasswordEntry(), false)
	entryForm.Append("Search Entry", ui.NewSearchEntry(), false)
	entryForm.Append("Multiline Entry", ui.NewMultilineEntry(), true)
	entryForm.Append("Multiline Entry No Wrap", ui.NewNonWrappingMultilineEntry(), true)

	return group
}

func makeInterfaces() ui.Control {
	group := ui.NewGroup("Interfaces")
	group.SetMargined(true)

	group.SetChild(ui.NewNonWrappingMultilineEntry())

	entryForm := ui.NewForm()
	entryForm.SetPadded(true)
	group.SetChild(entryForm)

	for _, addr := range config.Strings("arr1") {
		log.Println("Adding entry for internface =", addr)
		entryForm.Append(addr, ui.NewEntry(), false)
	}

	entryForm.Append("Password Entry", ui.NewPasswordEntry(), false)
	entryForm.Append("Search Entry", ui.NewSearchEntry(), false)
	entryForm.Append("Multiline Entry", ui.NewMultilineEntry(), true)
	entryForm.Append("Multiline Entry No Wrap", ui.NewNonWrappingMultilineEntry(), true)

	return group
}

func makeNumbersPage() ui.Control {
	hbox := ui.NewHorizontalBox()
	hbox.SetPadded(true)

	group := ui.NewGroup("Numbers")
	group.SetMargined(true)
	hbox.Append(group, true)

	vbox := ui.NewVerticalBox()
	vbox.SetPadded(true)
	group.SetChild(vbox)

	spinbox := ui.NewSpinbox(47, 100)
	slider  := ui.NewSlider(21, 100)
	pbar    := ui.NewProgressBar()

	spinbox.OnChanged(func(*ui.Spinbox) {
		slider.SetValue(spinbox.Value())
		pbar.SetValue(spinbox.Value())
	})
	slider.OnChanged(func(*ui.Slider) {
		spinbox.SetValue(slider.Value())
		pbar.SetValue(slider.Value())
	})
	vbox.Append(spinbox, false)
	vbox.Append(slider, false)
	vbox.Append(pbar, false)

	ip := ui.NewProgressBar()
	ip.SetValue(-1)
	vbox.Append(ip, false)

	group = ui.NewGroup("Lists")
	group.SetMargined(true)
	hbox.Append(group, true)

	vbox = ui.NewVerticalBox()
	vbox.SetPadded(true)
	group.SetChild(vbox)

	cbox := ui.NewCombobox()
	cbox.Append("Combobox Item 1")
	cbox.Append("Combobox Item 2")
	cbox.Append("Combobox Item 3")
	vbox.Append(cbox, false)

	ecbox := ui.NewEditableCombobox()
	ecbox.Append("Editable Item 1")
	ecbox.Append("Editable Item 2")
	ecbox.Append("Editable Item 3")
	vbox.Append(ecbox, false)

	rb := ui.NewRadioButtons()
	rb.Append("Radio Button 1")
	rb.Append("Radio Button 2")
	rb.Append("Radio Button 3")
	vbox.Append(rb, false)

	return hbox
}

func makeDataChoosersPage() ui.Control {
	hbox := ui.NewHorizontalBox()
	hbox.SetPadded(true)

	vbox := ui.NewVerticalBox()
	vbox.SetPadded(true)
	hbox.Append(vbox, false)

	vbox.Append(ui.NewDatePicker(), false)
	vbox.Append(ui.NewTimePicker(), false)
	vbox.Append(ui.NewDateTimePicker(), false)
	vbox.Append(ui.NewFontButton(), false)
	vbox.Append(ui.NewColorButton(), false)

	hbox.Append(ui.NewVerticalSeparator(), false)

	vbox = ui.NewVerticalBox()
	vbox.SetPadded(true)
	hbox.Append(vbox, true)

	grid := ui.NewGrid()
	grid.SetPadded(true)
	vbox.Append(grid, false)

	button := ui.NewButton("Open File")
	entry := ui.NewEntry()
	entry.SetReadOnly(true)
	button.OnClicked(func(*ui.Button) {
		filename := ui.OpenFile(mainwin)
		if filename == "" {
			filename = "(cancelled)"
		}
		entry.SetText(filename)
	})
	grid.Append(button,
		0, 0, 1, 1,
		false, ui.AlignFill, false, ui.AlignFill)
	grid.Append(entry,
		1, 0, 1, 1,
		true, ui.AlignFill, false, ui.AlignFill)

	button = ui.NewButton("Save File")
	entry2 := ui.NewEntry()
	entry2.SetReadOnly(true)
	button.OnClicked(func(*ui.Button) {
		filename := ui.SaveFile(mainwin)
		if filename == "" {
			filename = "(cancelled)"
		}
		entry2.SetText(filename)
	})
	grid.Append(button,
		0, 1, 1, 1,
		false, ui.AlignFill, false, ui.AlignFill)
	grid.Append(entry2,
		1, 1, 1, 1,
		true, ui.AlignFill, false, ui.AlignFill)

	msggrid := ui.NewGrid()
	msggrid.SetPadded(true)
	grid.Append(msggrid,
		0, 2, 2, 1,
		false, ui.AlignCenter, false, ui.AlignStart)

	button = ui.NewButton("Message Box")
	button.OnClicked(func(*ui.Button) {
		ui.MsgBox(mainwin,
			"This is a normal message box.",
			"More detailed information can be shown here.")
	})
	msggrid.Append(button,
		0, 0, 1, 1,
		false, ui.AlignFill, false, ui.AlignFill)
	button = ui.NewButton("Error Box")
	button.OnClicked(func(*ui.Button) {
		ui.MsgBoxError(mainwin,
			"This message box describes an error.",
			"More detailed information can be shown here.")
	})
	msggrid.Append(button,
		1, 0, 1, 1,
		false, ui.AlignFill, false, ui.AlignFill)

	return hbox
}

func setupUI() {
	mainwin = ui.NewWindow("Cloud Control Panel", config.Int("width"), config.Int("height"), false)
	mainwin.OnClosing(func(*ui.Window) bool {
		ui.Quit()
		return true
	})
	ui.OnShouldQuit(func() bool {
		mainwin.Destroy()
		return true
	})

	tab := ui.NewTab()
	mainwin.SetChild(tab)
	mainwin.SetMargined(true)

	tab.Append("Hypervisors", makeBasicControlsPage("h"))
	tab.SetMargined(0, true)

	tab.Append("Ceph", makeBasicControlsPage("d"))
	tab.SetMargined(0, true)

	tab.Append("VMs", makeNumbersPage())
	tab.SetMargined(1, true)

	tab.Append("Data Choosers", makeDataChoosersPage())
	tab.SetMargined(2, true)

	mainwin.Show()
}

func main() {
	parseConfig()

	ui.Main(setupUI)
}