1//
  2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
  3//
  4// Permission to use, copy, modify, and distribute this software for any
  5// purpose with or without fee is hereby granted, provided that the above
  6// copyright notice and this permission notice appear in all copies.
  7//
  8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15
 16package main
 17
 18import (
 19	"html/template"
 20	"io/ioutil"
 21	"log"
 22
 23	"github.com/gdamore/tcell"
 24	"github.com/rivo/tview"
 25)
 26
 27func adminscreen() {
 28	log.SetOutput(ioutil.Discard)
 29
 30	app := tview.NewApplication()
 31	var maindriver func(event *tcell.EventKey) *tcell.EventKey
 32
 33	table := tview.NewTable().SetFixed(1, 0).SetSelectable(true, false).
 34		SetSelectedStyle(tcell.ColorBlack, tcell.ColorGreen, 0)
 35
 36	mainframe := tview.NewFrame(table)
 37	mainframe.AddText(tview.Escape("honk admin - [q] quit"),
 38		true, 0, tcell.ColorGreen)
 39	mainframe.SetBorders(1, 0, 1, 0, 4, 0)
 40
 41	dupecell := func(base *tview.TableCell) *tview.TableCell {
 42		rv := new(tview.TableCell)
 43		*rv = *base
 44		return rv
 45	}
 46
 47	showtable := func() {
 48		table.Clear()
 49
 50		row := 0
 51		{
 52			col := 0
 53			headcell := tview.TableCell{
 54				Color: tcell.ColorWhite,
 55			}
 56			cell := dupecell(&headcell)
 57			cell.Text = "Message"
 58			table.SetCell(row, col, cell)
 59			col++
 60			cell = dupecell(&headcell)
 61			cell.Text = ""
 62			table.SetCell(row, col, cell)
 63
 64			row++
 65		}
 66		{
 67			col := 0
 68			headcell := tview.TableCell{
 69				Color: tcell.ColorWhite,
 70			}
 71			cell := dupecell(&headcell)
 72			cell.Text = "Server"
 73			table.SetCell(row, col, cell)
 74			col++
 75			cell = dupecell(&headcell)
 76			cell.Text = tview.Escape(string(serverMsg))
 77			table.SetCell(row, col, cell)
 78
 79			row++
 80		}
 81		{
 82			col := 0
 83			headcell := tview.TableCell{
 84				Color: tcell.ColorWhite,
 85			}
 86			cell := dupecell(&headcell)
 87			cell.Text = "About"
 88			table.SetCell(row, col, cell)
 89			col++
 90			cell = dupecell(&headcell)
 91			cell.Text = tview.Escape(string(aboutMsg))
 92			table.SetCell(row, col, cell)
 93
 94			row++
 95		}
 96		{
 97			col := 0
 98			headcell := tview.TableCell{
 99				Color: tcell.ColorWhite,
100			}
101			cell := dupecell(&headcell)
102			cell.Text = "Login"
103			table.SetCell(row, col, cell)
104			col++
105			cell = dupecell(&headcell)
106			cell.Text = tview.Escape(string(loginMsg))
107			table.SetCell(row, col, cell)
108
109			row++
110		}
111
112		app.SetInputCapture(maindriver)
113		app.SetRoot(mainframe, true)
114	}
115
116	arrowadapter := func(event *tcell.EventKey) *tcell.EventKey {
117		switch event.Key() {
118		case tcell.KeyDown:
119			return tcell.NewEventKey(tcell.KeyTab, '\t', tcell.ModNone)
120		case tcell.KeyUp:
121			return tcell.NewEventKey(tcell.KeyBacktab, '\t', tcell.ModNone)
122		}
123		return event
124	}
125
126	editform := tview.NewForm()
127	namebox := tview.NewInputField().SetLabel("name").SetFieldWidth(20)
128	descbox := tview.NewInputField().SetLabel("description").SetFieldWidth(60)
129	orderbox := tview.NewInputField().SetLabel("order").SetFieldWidth(10)
130	editform.AddButton("save", nil)
131	editform.AddButton("cancel", nil)
132	savebutton := editform.GetButton(0)
133	editform.SetFieldTextColor(tcell.ColorBlack)
134	editform.SetFieldBackgroundColor(tcell.ColorGreen)
135	editform.SetLabelColor(tcell.ColorWhite)
136	editform.SetButtonTextColor(tcell.ColorGreen)
137	editform.SetButtonBackgroundColor(tcell.ColorBlack)
138	editform.GetButton(1).SetSelectedFunc(showtable)
139	editform.SetCancelFunc(showtable)
140
141	hadchanges := false
142
143	showform := func() {
144		editform.Clear(false)
145		editform.AddFormItem(namebox)
146		editform.AddFormItem(descbox)
147		editform.AddFormItem(orderbox)
148		app.SetInputCapture(arrowadapter)
149		app.SetRoot(editform, true)
150	}
151
152	editrepo := func(which string) {
153		namebox.SetText(which)
154		descbox.SetText("message")
155		savebutton.SetSelectedFunc(func() {
156			serverMsg = template.HTML(descbox.GetText())
157			hadchanges = true
158			showtable()
159		})
160		showform()
161	}
162
163	maindriver = func(event *tcell.EventKey) *tcell.EventKey {
164		switch event.Rune() {
165		case 'd':
166		case 'e':
167			editrepo("servermsg")
168		case 'q':
169			app.Stop()
170			return nil
171		}
172		return event
173	}
174
175	showtable()
176	app.Run()
177}