4 files changed, 110 insertions, 11 deletions
diff --git a/go-src/main.go b/go-src/main.go
index aad637a..5cb2c57 100644
--- a/go-src/main.go
+++ b/go-src/main.go
@@ -3,5 +3,5 @@ package main
 import "gitlab.com/Syndamia/ctfc/go-src/windows"
 
 func main() {
-	windows.Test()
+	windows.StartupWindow()
 }
diff --git a/go-src/ui/ui.go b/go-src/ui/ui.go
index b4ce7ff..2886fff 100644
--- a/go-src/ui/ui.go
+++ b/go-src/ui/ui.go
@@ -1,7 +1,9 @@
 package ui
 
 import (
+	"bufio"
 	"fmt"
+	"os"
 	"strings"
 
 	"gitlab.com/Syndamia/ctfc/go-src/utils"
@@ -34,6 +36,8 @@ const (
 	inputRune = '@'
 )
 
+var scanner = bufio.NewScanner(os.Stdin)
+
 // Returns an error box
 func ErrorBox(message string) (box string) {
 	// 2+len because message length doesn't accomodate the spaces between the left and right border
@@ -111,3 +115,8 @@ func NumberedFields(messages ...string) (result string) {
 	result = result[:len(result)-1]
 	return
 }
+
+func GetInput() string {
+	scanner.Scan()
+	return scanner.Text()
+}
diff --git a/go-src/windows/errorMessages.go b/go-src/windows/errorMessages.go
new file mode 100644
index 0000000..2dc364a
--- /dev/null
+++ b/go-src/windows/errorMessages.go
@@ -0,0 +1,6 @@
+package windows
+
+const (
+	invalidArgument = "Invalid argument!"
+	invalidCommand  = "Invalid command!"
+)
diff --git a/go-src/windows/windows.go b/go-src/windows/windows.go
index b805a69..5076053 100644
--- a/go-src/windows/windows.go
+++ b/go-src/windows/windows.go
@@ -2,19 +2,103 @@ package windows
 
 import (
 	"fmt"
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
 
 	"gitlab.com/Syndamia/ctfc/go-src/ui"
 )
 
-func Test() {
-	// Temporary values for testing purposes
-	fmt.Println(ui.ErrorBox("Test error"))
-	fmt.Println(ui.NormalBox(true, "Page 1"))
-	fmt.Println(ui.NormalBox(false, "Page 1", "Page 2"))
-	fmt.Println(ui.NormalBox(true, "af", "Page dfsdf", "fd ffdfs dfsdf sd Page 3", "A"))
+func StartupWindow() {
+	clearScreen()
+
+	fmt.Println(ui.NormalBox(true, "Login", "Register"))
+	fmt.Print(ui.InputField("[L/R]"))
+	command := strings.ToLower(ui.GetInput())
+
+	if command == "l" {
+		defer LoginWindow()
+	} else if command == "r" {
+		defer RegisterWindow()
+	} else {
+		ShowError(invalidCommand)
+		defer StartupWindow()
+	}
+}
+
+func LoginWindow(values ...string) {
+	clearScreen()
+
 	fmt.Println(ui.NormalBox(true, "Login"))
-	fmt.Println(ui.TextField("Login to your account"))
-	fmt.Println(ui.NumberedFields("Option 1", "Option 2", "Option 3"))
-	fmt.Println(ui.InputFieldFilled("Username", "John"))
-	fmt.Println(ui.InputField("Password"))
+
+	switch len(values) {
+	case 0:
+		fmt.Print(ui.InputField("Username"))
+	case 1:
+		fmt.Println(ui.InputFieldFilled("Username", values[0]))
+		fmt.Print(ui.InputField("Password"))
+	}
+
+	val := ui.GetInput()
+
+	switch len(values) {
+	case 0:
+		defer LoginWindow(val)
+	case 1:
+		fmt.Println(values[0], val)
+	}
+}
+
+func RegisterWindow(values ...string) {
+	clearScreen()
+
+	fmt.Println(ui.NormalBox(true, "Register"))
+
+	switch len(values) {
+	case 0:
+		fmt.Print(ui.InputField("Username"))
+	case 1:
+		fmt.Println(ui.InputFieldFilled("Username", values[0]))
+		fmt.Print(ui.InputField("Password"))
+	case 2:
+		fmt.Println(ui.InputFieldFilled("Username", values[0]))
+		fmt.Println(ui.InputFieldFilled("Password", values[1]))
+		fmt.Print(ui.InputField("Name"))
+	}
+
+	val := ui.GetInput()
+
+	switch len(values) {
+	case 0:
+		defer RegisterWindow(val)
+	case 1:
+		defer RegisterWindow(values[0], val)
+	case 2:
+		fmt.Println(values, val)
+	}
+}
+
+var clearNext = true
+
+func ShowError(message string) {
+	clearScreen()
+
+	fmt.Println(ui.ErrorBox(message))
+	clearNext = false
+}
+
+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")
+	}
 }