460 lines
14 KiB
Go
460 lines
14 KiB
Go
package page
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/go-gl/gl/v3.3-core/gl"
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"github.com/go-gl/mathgl/mgl32"
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"github.com/veandco/go-sdl2/sdl"
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"rhemawavetech.com/rhemawave/internal/colors"
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"rhemawavetech.com/rhemawave/internal/db"
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"rhemawavetech.com/rhemawave/internal/fontManager"
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"rhemawavetech.com/rhemawave/internal/logger"
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"rhemawavetech.com/rhemawave/internal/shaderManager"
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)
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type LicenseKeyPage struct {
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Base
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title string
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titleTextureID uint32
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titleTextureWidth int32
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titleTextureHeight int32
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currentLicenseDisplayTextureID uint32
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currentLicenseDisplayTextureWidth int32
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currentLicenseDisplayTextureHeight int32
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inputText string
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inputTextTextureID uint32
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inputTextTextureWidth int32
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inputTextTextureHeight int32
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// Error message handling
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errorMessage string
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errorTextureID uint32
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errorTextureWidth int32
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errorTextureHeight int32
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// isFirstTimeSetup tracks whether page was loaded empty (first-time setup)
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isFirstTimeSetup bool
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// Text input deduplication
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textInputSupported bool
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}
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// Init performs basic page initialization and creation of static assets.
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func (p *LicenseKeyPage) Init(ctx *PageCtx) error {
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if err := p.Base.Init(ctx); err != nil {
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return fmt.Errorf("failed base page initialization: %w", err)
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}
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p.title = "License Key"
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// Get application font from database
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applicationFont := "SpaceMonoNerdFont-Regular"
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fm := fontManager.Get()
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textShader, ok := shaderManager.Get().Get("text")
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if !ok {
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return fmt.Errorf("unable to fetch text shader")
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}
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// Create title texture
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titleTextureID, titleWidth, titleHeight, err := fm.CreateStringTexture(applicationFont, p.title, textShader)
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if err != nil {
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return fmt.Errorf("failed to create title texture: %w", err)
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}
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if titleTextureID == 0 {
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return fmt.Errorf("CreateStringTexture returned a nil texture ID")
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}
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p.titleTextureID = titleTextureID
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p.titleTextureWidth = titleWidth
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p.titleTextureHeight = titleHeight
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// Load existing license key from database
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config, err := db.GetConfig(p.Context.DbPtr)
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if err != nil {
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panic(err)
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}
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licenseKey := config.LicenseKey
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if licenseKey != "" {
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p.inputText = licenseKey
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p.isFirstTimeSetup = false
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// Create current license key display texture
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currentLicenseText := fmt.Sprintf("Current License Key: %s", licenseKey)
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currentLicenseTextureID, currentLicenseWidth, currentLicenseHeight, err := fm.CreateStringTexture(applicationFont, currentLicenseText, textShader)
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if err != nil {
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return fmt.Errorf("failed to create current license display texture: %w", err)
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}
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if currentLicenseTextureID == 0 {
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return fmt.Errorf("CreateStringTexture returned a nil texture ID for current license display")
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}
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p.currentLicenseDisplayTextureID = currentLicenseTextureID
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p.currentLicenseDisplayTextureWidth = currentLicenseWidth
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p.currentLicenseDisplayTextureHeight = currentLicenseHeight
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} else {
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p.inputText = ""
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p.isFirstTimeSetup = true
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}
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sdl.StartTextInput()
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return nil
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}
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// formatLicenseKey formats the input string with dashes every 4 characters
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// and limits to 16 alphanumeric characters (not counting dashes)
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func formatLicenseKey(input string) string {
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// Remove all dashes and non-alphanumeric characters
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cleaned := strings.Map(func(r rune) rune {
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if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') || (r >= '0' && r <= '9') {
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return r
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}
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return -1
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}, input)
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// Limit to 16 characters
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if len(cleaned) > 16 {
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cleaned = cleaned[:16]
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}
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// Insert dashes every 4 characters
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var result strings.Builder
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for i, char := range cleaned {
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if i > 0 && i%4 == 0 {
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result.WriteRune('-')
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}
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result.WriteRune(char)
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}
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return result.String()
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}
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// HandleEvent processes SDL events and handles them appropriately for the LicenseKeyPage.
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func (p *LicenseKeyPage) HandleEvent(event *sdl.Event) error {
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actualEvent := *event
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if !sdl.IsTextInputActive() {
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sdl.StartTextInput()
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}
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switch e := actualEvent.(type) {
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case *sdl.TextInputEvent:
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if !p.textInputSupported {
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// First TextInputEvent: the keyboard fallback already
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// handled this character, so just record that text input
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// is supported and skip the duplicate append.
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p.textInputSupported = true
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} else {
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// Add the new character and reformat
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p.inputText += e.GetText()
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p.inputText = formatLicenseKey(p.inputText)
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// Clear error when user starts typing
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p.errorMessage = ""
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}
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case *sdl.KeyboardEvent:
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if e.Type == sdl.KEYDOWN {
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switch e.Keysym.Sym {
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case sdl.K_ESCAPE:
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// Block escape during first-time setup
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if p.isFirstTimeSetup {
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return nil
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}
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// Allow escape back to settings if coming from settings
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sdl.StopTextInput()
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p.Context.NavigateTo(SETTINGS)
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case sdl.K_RETURN:
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// Validate license key - check empty first, then length, then characters
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cleaned := strings.ReplaceAll(p.inputText, "-", "")
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if cleaned == "" {
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p.errorMessage = "License key cannot be empty"
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return nil
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}
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if len(cleaned) != 16 {
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p.errorMessage = fmt.Sprintf("License key must be 16 characters (currently %d)", len(cleaned))
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return nil
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}
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// Check for invalid characters
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for _, r := range cleaned {
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if !((r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') || (r >= '0' && r <= '9')) {
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p.errorMessage = "License key must contain only letters and numbers"
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return nil
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}
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}
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sdl.StopTextInput()
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// Save license key to database
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config, err := db.GetConfig(p.Context.DbPtr)
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if err != nil {
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panic(err)
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}
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config.LicenseKey = p.inputText
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p.Context.DbPtr.Save(config)
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// Write license key to plain text file for the updater
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if homeDir, err := os.UserHomeDir(); err == nil {
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keyPath := filepath.Join(homeDir, ".local", "share", "rhemawave", "license_key")
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if err := os.WriteFile(keyPath, []byte(p.inputText), 0644); err != nil {
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logger.Error("Failed to write license key file: %v", err)
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}
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}
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if p.isFirstTimeSetup {
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// First-time setup: rewind to Welcome page
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p.Context.NavigateTo(HOME)
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} else {
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// Coming from settings: rewind back to settings
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p.Context.NavigateTo(SETTINGS)
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}
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case sdl.K_BACKSPACE:
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if len(p.inputText) > 0 {
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// Remove last character and reformat
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// Strip all dashes first to get raw characters
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cleaned := strings.ReplaceAll(p.inputText, "-", "")
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if len(cleaned) > 0 {
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cleaned = cleaned[:len(cleaned)-1]
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}
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p.inputText = formatLicenseKey(cleaned)
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// Clear error when user edits input
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p.errorMessage = ""
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}
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default:
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// Keyboard fallback: if TextInputEvent is not supported,
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// convert printable keycodes to characters directly.
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// This handles kiosk systems without an input method framework.
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if !p.textInputSupported {
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if ch := keycodeToChar(e.Keysym.Sym, e.Keysym.Mod); ch != 0 {
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p.inputText += string(ch)
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p.inputText = formatLicenseKey(p.inputText)
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p.errorMessage = ""
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}
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}
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}
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}
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}
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return nil
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}
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// Update updates animations and changing textures and other changes using `dt` which represents a time delta in float32.
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func (p *LicenseKeyPage) Update(dt float32) error {
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// Get application font from database
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applicationFont := "SpaceMonoNerdFont-Regular"
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fm := fontManager.Get()
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sm := shaderManager.Get()
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shader, ok := sm.Get("text")
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if !ok {
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return fmt.Errorf("unable to fetch text shader")
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}
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// Update input text texture
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if len(p.inputText) > 0 {
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// Create the new inputText texture
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inputTextTextureID, inputTextTextureWidth, inputTextTextureHeight, err := fm.CreateStringTexture(
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applicationFont,
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p.inputText,
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shader,
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)
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if err != nil {
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return fmt.Errorf("unable to create new input text texture: %w", err)
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}
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// Delete old texture if it exists
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if p.inputTextTextureID != 0 {
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gl.DeleteTextures(1, &p.inputTextTextureID)
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}
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p.inputTextTextureID = inputTextTextureID
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p.inputTextTextureWidth = inputTextTextureWidth
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p.inputTextTextureHeight = inputTextTextureHeight
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}
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// Update error message texture
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if p.errorMessage != "" {
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errorTextureID, errorWidth, errorHeight, err := fm.CreateStringTexture(
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applicationFont,
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p.errorMessage,
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shader,
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)
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if err != nil {
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return fmt.Errorf("unable to create error text texture: %w", err)
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}
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// Delete old error texture if it exists
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if p.errorTextureID != 0 {
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gl.DeleteTextures(1, &p.errorTextureID)
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}
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p.errorTextureID = errorTextureID
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p.errorTextureWidth = errorWidth
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p.errorTextureHeight = errorHeight
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} else {
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// Clear error texture if no error message
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if p.errorTextureID != 0 {
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gl.DeleteTextures(1, &p.errorTextureID)
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p.errorTextureID = 0
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}
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}
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return nil
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}
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// Render performs page drawing logic.
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func (p *LicenseKeyPage) Render() error {
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config, err := db.GetConfig(p.Context.DbPtr)
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if err != nil {
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panic(err)
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}
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// Get base font size from database
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baseFontSize := config.StandardFontSize
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sm := shaderManager.Get()
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// 1. Calculate Scale
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titleFontSize := int32(64)
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titleScale := float32(titleFontSize) / float32(baseFontSize)
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currentLicenseFontSize := int32(28)
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currentLicenseScale := float32(currentLicenseFontSize) / float32(baseFontSize)
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padding := int32(4)
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verticalMargin := int32(20)
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// 2. Define dimensions
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targetFontSize := int32(36)
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scale := float32(targetFontSize) / float32(baseFontSize)
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border := int32(3)
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boxH := targetFontSize + (padding * 2)
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boxW := int32(600) + (padding * 2)
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boxDimensions := mgl32.Vec2{float32(boxW), float32(boxH)}
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borderBoxH := boxH + (border * 2)
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borderBoxW := boxW + (border * 2)
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borderBoxDimensions := mgl32.Vec2{float32(borderBoxW), float32(borderBoxH)}
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titleH := float32(p.titleTextureHeight) * titleScale
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titleW := float32(p.titleTextureWidth) * titleScale
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titleDimensions := mgl32.Vec2{titleW, titleH}
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inputTextH := float32(p.inputTextTextureHeight) * scale
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inputTextW := float32(p.inputTextTextureWidth) * scale
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inputTextDimensions := mgl32.Vec2{inputTextW, inputTextH}
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var currentLicenseDisplayH, currentLicenseDisplayW float32
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var currentLicenseDisplayDimensions mgl32.Vec2
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if p.currentLicenseDisplayTextureID != 0 {
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currentLicenseDisplayH = float32(p.currentLicenseDisplayTextureHeight) * currentLicenseScale
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currentLicenseDisplayW = float32(p.currentLicenseDisplayTextureWidth) * currentLicenseScale
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currentLicenseDisplayDimensions = mgl32.Vec2{currentLicenseDisplayW, currentLicenseDisplayH}
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}
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// Error text dimensions
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errorFontSize := int32(20)
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errorScale := float32(errorFontSize) / float32(baseFontSize)
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var errorTextH, errorTextW float32
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var errorTextDimensions mgl32.Vec2
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if p.errorTextureID != 0 {
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errorTextH = float32(p.errorTextureHeight) * errorScale
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errorTextW = float32(p.errorTextureWidth) * errorScale
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errorTextDimensions = mgl32.Vec2{errorTextW, errorTextH}
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}
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// 3. Define positions
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borderBoxY := p.Base.ScreenCenterY - (borderBoxH / 2)
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borderBoxX := p.Base.ScreenCenterX - (borderBoxW / 2)
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borderBoxPosition := mgl32.Vec2{float32(borderBoxX), float32(borderBoxY)}
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boxY := p.Base.ScreenCenterY - (boxH / 2)
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boxX := p.Base.ScreenCenterX - (boxW / 2)
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boxPosition := mgl32.Vec2{float32(boxX), float32(boxY)}
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titleY := borderBoxY + borderBoxH + verticalMargin
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titleX := p.Base.ScreenCenterX - int32(titleW/2)
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titlePosition := mgl32.Vec2{float32(titleX), float32(titleY)}
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inputTextY := boxY + padding
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inputTextX := boxX + padding
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inputTextPosition := mgl32.Vec2{float32(inputTextX), float32(inputTextY)}
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var currentLicenseDisplayPosition mgl32.Vec2
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if p.currentLicenseDisplayTextureID != 0 {
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currentLicenseDisplayY := borderBoxY - int32(currentLicenseDisplayH) - verticalMargin
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currentLicenseDisplayX := p.Base.ScreenCenterX - int32(currentLicenseDisplayW/2)
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currentLicenseDisplayPosition = mgl32.Vec2{float32(currentLicenseDisplayX), float32(currentLicenseDisplayY)}
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}
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// Error text position (below current license display to avoid overlap)
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var errorTextPosition mgl32.Vec2
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if p.errorTextureID != 0 {
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var errorTextY int32
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if p.currentLicenseDisplayTextureID != 0 {
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// Position below the current license display
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errorTextY = borderBoxY - int32(currentLicenseDisplayH) - verticalMargin - int32(errorTextH) - (verticalMargin / 2)
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} else {
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// No current license display, position below the input box
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errorTextY = borderBoxY - int32(errorTextH) - (verticalMargin / 2)
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}
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errorTextX := p.Base.ScreenCenterX - int32(errorTextW/2)
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errorTextPosition = mgl32.Vec2{float32(errorTextX), float32(errorTextY)}
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}
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// 4. Get Shaders
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textShader, _ := sm.Get("text")
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solidShader, _ := sm.Get("solid_color")
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// 5. Draw everything
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p.Base.RenderSolidColorQuad(solidShader, borderBoxPosition, borderBoxDimensions, colors.Gray)
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p.Base.RenderSolidColorQuad(solidShader, boxPosition, boxDimensions, colors.DarkGray)
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p.Base.RenderTexture(textShader, p.titleTextureID, titlePosition, titleDimensions, colors.White)
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// Draw current license display if it exists
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if p.currentLicenseDisplayTextureID != 0 {
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p.Base.RenderTexture(textShader, p.currentLicenseDisplayTextureID, currentLicenseDisplayPosition, currentLicenseDisplayDimensions, colors.White)
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}
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if len(p.inputText) > 0 {
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p.Base.RenderTexture(textShader, p.inputTextTextureID, inputTextPosition, inputTextDimensions, colors.White)
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}
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// Draw error message if it exists
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if p.errorTextureID != 0 {
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p.Base.RenderTexture(textShader, p.errorTextureID, errorTextPosition, errorTextDimensions, colors.ErrorRed)
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}
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return nil
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}
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// Destroy cleans up page-specific resources.
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func (p *LicenseKeyPage) Destroy() error {
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gl.DeleteTextures(1, &p.titleTextureID)
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// Delete current license display texture if it exists
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if p.currentLicenseDisplayTextureID != 0 {
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gl.DeleteTextures(1, &p.currentLicenseDisplayTextureID)
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p.currentLicenseDisplayTextureID = 0
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}
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// Delete input text texture if it exists
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if p.inputTextTextureID != 0 {
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gl.DeleteTextures(1, &p.inputTextTextureID)
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p.inputTextTextureID = 0
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}
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// Delete error texture if it exists
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if p.errorTextureID != 0 {
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gl.DeleteTextures(1, &p.errorTextureID)
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p.errorTextureID = 0
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}
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sdl.StopTextInput()
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return p.Base.Destroy()
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}
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