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package ctfc
import (
"fmt"
"os"
"os/exec"
"runtime"
"strings"
"gitlab.com/Syndamia/ctfc/go-src/ui"
)
type window func(...string)
func StartupWindow(...string) {
clearScreen()
ui.NormalBox(true, "Login", "Register")
input := ui.InputField("[L/R]")
handled := handleInputActions(input, false,
inputAction{"L", loginWindow, nil},
inputAction{"R", registerWindow, nil},
)
if !handled {
defer showError(invalidCommand, StartupWindow)
}
}
func loginWindow(values ...string) {
inputs := formWindow("Login", StartupWindow, []formInput{
{"Username", " or [B for Back to start page]", nil},
{"Password", "", nil},
}, values...,
)
if len(inputs) == 0 {
return
}
if logInUser(inputs[0], inputs[1]) {
defer chatsWindow()
} else {
defer showError(invalidCredentials, loginWindow, inputs[0])
}
}
func registerWindow(values ...string) {
inputs := formWindow("Register", StartupWindow, []formInput{
{"Username", " [A-z, 0-9, *, ., _, -; at least 1 letter] or [B for Back to start page]", stringValidUsername},
{"Password", " [5-40 characters; at least 1 number]", stringValidPassword},
{"Name", " [2-60 characters]", stringValidName},
}, values...,
)
if len(inputs) == 0 {
return
}
if usernameExists(inputs[0]) {
defer showError(valueAlreadyTaken("Username"), registerWindow, values...)
return
}
createUser(inputs)
logInUser(inputs[0], inputs[1])
defer chatsWindow()
}
func chatsWindow(values ...string) {
clearScreen()
ui.NormalBox(true, "Direct Messages", "Account", "Logout")
ui.PageField(0, 0)
ui.EmptyLine()
if len(values) > 0 {
if values[0] == "ShowHelp" {
ui.TextField("Chats page options: [(D)irect messages/(A)ccount/(L)ogout/(<) for previous page/(>) for next page/(C) for create chat/(name) for go to chat room by name/(number) for go to chat room by number/(H)elp]")
}
}
input := ui.InputField("[D/A/L/</>/C/E/name/number/H]")
handled := handleInputActions(input, true,
inputAction{"C", createChatWindow, nil},
inputAction{"H", chatsWindow, []string{"ShowHelp"}},
)
if !handled {
defer showError(invalidCommand, chatsWindow)
}
}
func createChatWindow(values ...string) {
inputs := formWindow("Creating a new chat", chatsWindow, []formInput{
{"Name", " [2-20 characters; A-z, 0-9, spaces, _, -] or [B for Back to chats page]", stringValidChatName},
{"Description", " [0-30 characters]", stringValidChatDesc},
}, values...,
)
if len(inputs) == 0 {
return
}
if chatNameExists(inputs[0]) {
defer showError(valueAlreadyTaken("Chat name"), createChatWindow, values...)
return
}
createChat(inputs[0], inputs[1], loggedInUser.Username)
defer chatWindow(inputs[0])
}
func chatWindow(values ...string) {
currChat := getChat(values[0])
fmt.Println(currChat)
}
func logoutWindow(...string) {
clearScreen()
ui.NormalBox(true, "Are you sure you want to Log out of "+loggedInUser.Username+"?")
ui.EmptyLine()
input := ui.InputField("[Y/N]")
if strings.ToLower(input) == "y" {
logoutUser()
defer StartupWindow()
} else {
defer chatsWindow()
}
}
/* Form */
type formInput struct {
name string
specification string
validationFunc func(string) bool
}
func formWindow(boxTitle string, backWindow window, formInputs []formInput, currentValues ...string) (userInputs []string) {
userInputs = currentValues
for i, v := range formInputs[len(currentValues):] {
clearScreen()
ui.NormalBox(true, boxTitle)
for j, va := range userInputs {
ui.InputFieldFilled(formInputs[j].name, va)
}
input := ui.InputField(v.name + v.specification)
if i == 0 && backWindow != nil && strings.ToLower(input) == "b" {
defer backWindow()
return
}
if v.validationFunc != nil {
if !v.validationFunc(input) {
formCallback := func(...string) {
defer formWindow(boxTitle, backWindow, formInputs, userInputs...)
}
defer showError(invalidValueFor(v.name), formCallback)
return
}
}
userInputs = append(userInputs, input)
}
return
}
/* Input actions */
type inputAction struct {
value string
execute window
args []string
}
func handleInputActions(input string, handleNav bool, ia ...inputAction) bool {
if handleNav {
ia = append(ia,
inputAction{"C", chatsWindow, nil},
inputAction{"D", chatsWindow, nil},
inputAction{"A", chatsWindow, nil},
inputAction{"L", logoutWindow, nil},
)
}
for _, v := range ia {
if strings.ToLower(input) == strings.ToLower(v.value) {
defer v.execute(v.args...)
return true
}
}
return false
}
/* Errors and Clear */
var clearNext = true
func showError(message string, callback window, callbackData ...string) {
clearScreen()
ui.ErrorBox(message)
clearNext = false
defer callback(callbackData...)
}
func clearScreen() {
if !clearNext {
clearNext = true
return
}
if runtime.GOOS == "windows" {
cmd := exec.Command("cmd", "/c", "cls")
cmd.Stdout = os.Stdout
cmd.Run()
} else {
fmt.Println("\033[2J")
}
}
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