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package gui
import (
"fmt"
"os"
"path/filepath"
"strings"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/storage"
"fyne.io/fyne/v2/widget"
"codeberg.org/snonux/totalrecall/internal"
"codeberg.org/snonux/totalrecall/internal/anki"
appconfig "codeberg.org/snonux/totalrecall/internal/config"
)
// ExportHandler owns the Export to Anki dialog and APKG/CSV export paths (SRP).
type ExportHandler struct {
app *Application
}
// onExportToAnki opens the Export to Anki dialog where the user selects a format,
// deck name, and output directory. No-op when no exportable cards exist.
func (e *ExportHandler) onExportToAnki() {
a := e.app
if !e.hasExportableCards() {
dialog.ShowInformation("No Cards", "No cards found in anki_cards folder. Generate some cards first!", a.window)
return
}
formatOptions := []string{"APKG (Recommended)", "CSV (Legacy)"}
formatSelect := widget.NewSelect(formatOptions, nil)
formatSelect.SetSelected(formatOptions[0])
deckNameEntry := widget.NewEntry()
deckNameEntry.SetPlaceHolder("Bulgarian Vocabulary")
selectedDir := e.defaultExportDir()
dirLabel := widget.NewLabel(selectedDir)
dirButton := widget.NewButton("Browse...", func() {
e.browseExportDir(&selectedDir, dirLabel)
})
content := e.buildExportDialogContent(formatSelect, deckNameEntry, dirLabel, dirButton)
e.showExportDialog(content, formatOptions, formatSelect, deckNameEntry, &selectedDir)
}
func (e *ExportHandler) buildExportDialogContent(formatSelect *widget.Select, deckNameEntry *widget.Entry, dirLabel *widget.Label, dirButton *widget.Button) fyne.CanvasObject {
return container.NewVBox(
widget.NewLabel("Export Format:"),
formatSelect,
widget.NewSeparator(),
widget.NewLabel("Deck Name:"),
deckNameEntry,
widget.NewSeparator(),
widget.NewLabel("Export Directory:"),
container.NewBorder(nil, nil, nil, dirButton, dirLabel),
widget.NewLabel(""),
widget.NewRichTextFromMarkdown("**APKG**: Complete package with media files included\n**CSV**: Text only, requires manual media copy"),
)
}
func (e *ExportHandler) showExportDialog(content fyne.CanvasObject, formatOptions []string, formatSelect *widget.Select, deckNameEntry *widget.Entry, selectedDir *string) {
a := e.app
exportDialogOpen := true
customDialog := dialog.NewCustomConfirm("Export to Anki", "Export (e)", "Cancel (c/Esc)", content, func(export bool) {
exportDialogOpen = false
if !export {
return
}
deckName := deckNameEntry.Text
if deckName == "" {
deckName = "Bulgarian Vocabulary"
}
e.performExport(formatSelect.Selected == formatOptions[0], deckName, *selectedDir)
}, a.window)
e.wireExportDialogKeys(customDialog, &exportDialogOpen)
customDialog.Resize(fyne.NewSize(400, 300))
customDialog.Show()
}
// wireExportDialogKeys attaches keyboard shortcuts to the export dialog.
// e/е triggers confirm; c/ц/Esc cancels. Original handlers are restored on close.
func (e *ExportHandler) wireExportDialogKeys(customDialog *dialog.ConfirmDialog, exportDialogOpen *bool) {
a := e.app
origRune := a.window.Canvas().OnTypedRune()
origKey := a.window.Canvas().OnTypedKey()
a.window.Canvas().SetOnTypedRune(func(r rune) {
if *exportDialogOpen {
switch r {
case 'e', 'E', 'е', 'Е':
customDialog.Hide()
*exportDialogOpen = false
customDialog.Confirm()
case 'c', 'C', 'ц', 'Ц':
customDialog.Hide()
*exportDialogOpen = false
}
return
}
if origRune != nil {
origRune(r)
}
})
a.window.Canvas().SetOnTypedKey(func(ev *fyne.KeyEvent) {
if *exportDialogOpen && ev.Name == fyne.KeyEscape {
customDialog.Hide()
*exportDialogOpen = false
return
}
if origKey != nil {
origKey(ev)
}
})
customDialog.SetOnClosed(func() {
*exportDialogOpen = false
a.window.Canvas().SetOnTypedRune(origRune)
a.window.Canvas().SetOnTypedKey(origKey)
})
}
func (e *ExportHandler) hasExportableCards() bool {
entries, err := os.ReadDir(e.app.config.OutputDir)
if err != nil || len(entries) == 0 {
return false
}
for _, entry := range entries {
if entry.IsDir() && !strings.HasPrefix(entry.Name(), ".") {
return true
}
}
return false
}
func (e *ExportHandler) defaultExportDir() string {
homeDir, err := appconfig.HomeDir()
if err != nil {
fmt.Fprintf(os.Stderr, "Warning: %v\n", err)
}
return homeDir
}
func (e *ExportHandler) browseExportDir(dir *string, label *widget.Label) {
a := e.app
folderDialog := dialog.NewFolderOpen(func(selected fyne.ListableURI, err error) {
if err != nil || selected == nil {
return
}
*dir = selected.Path()
label.SetText(*dir)
}, a.window)
if uri, err := storage.ParseURI("file://" + *dir); err == nil {
if listableURI, ok := uri.(fyne.ListableURI); ok {
folderDialog.SetLocation(listableURI)
}
}
folderDialog.Show()
}
func (e *ExportHandler) performExport(isAPKG bool, deckName, outputDir string) {
if isAPKG {
e.exportAPKG(deckName, outputDir)
} else {
e.exportCSV(outputDir)
}
}
func (e *ExportHandler) exportAPKG(deckName, outputDir string) {
a := e.app
filename := fmt.Sprintf("%s.apkg", internal.SanitizeFilename(deckName))
outputPath := filepath.Join(outputDir, filename)
gen := anki.NewGenerator(nil)
if err := gen.GenerateFromDirectory(a.config.OutputDir); err != nil {
dialog.ShowError(fmt.Errorf("failed to load cards: %w", err), a.window)
return
}
if err := gen.GenerateAPKG(outputPath, deckName); err != nil {
dialog.ShowError(fmt.Errorf("failed to generate APKG: %w", err), a.window)
return
}
total, withAudio, withImages := gen.Stats()
a.updateStatus(fmt.Sprintf("Exported %d cards to %s (%d with audio, %d with images)", total, outputDir, withAudio, withImages))
}
func (e *ExportHandler) exportCSV(outputDir string) {
a := e.app
outputPath := filepath.Join(outputDir, "anki_import.csv")
gen := anki.NewGenerator(&anki.GeneratorOptions{
OutputPath: outputPath,
MediaFolder: a.config.OutputDir,
IncludeHeaders: true,
AudioFormat: a.config.AudioFormat,
})
if err := gen.GenerateFromDirectory(a.config.OutputDir); err != nil {
dialog.ShowError(fmt.Errorf("failed to load cards: %w", err), a.window)
return
}
if err := gen.GenerateCSV(); err != nil {
dialog.ShowError(fmt.Errorf("failed to generate CSV: %w", err), a.window)
return
}
total, withAudio, withImages := gen.Stats()
a.updateStatus(fmt.Sprintf("Exported %d cards to %s (%d with audio, %d with images)", total, outputDir, withAudio, withImages))
}
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