From a56d47747d2d55f25efe82aa8b7b1fa1967c57bc Mon Sep 17 00:00:00 2001
From: Falko Habel <falko.habel@gmx.de>
Date: Wed, 9 Oct 2024 14:18:33 +0200
Subject: [PATCH] only rows are not working yet

---
 src/extension.ts | 58 +++++++++++++++++++++++++++++++++++-------------
 1 file changed, 42 insertions(+), 16 deletions(-)

diff --git a/src/extension.ts b/src/extension.ts
index 86841ec..facecec 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -18,6 +18,7 @@ let config: {
 };
 
 let previewDecorationType: vscode.TextEditorDecorationType;
+let activeCompletionManager: CompletionManager | null = null;
 
 function updateConfig() {
     const vsConfig = vscode.workspace.getConfiguration('fabelous-autocoder');
@@ -100,14 +101,13 @@ class CompletionManager {
 
     public async showPreview() {
         const completionLines = this.completionText.split('\n');
-        const previewLines = [
-            '',  // Empty line before
-            ...completionLines,
-            ''   // Empty line after
-        ];
-        
+        const emptyLine = ''; // Empty line for spacing
+        const previewLines = [emptyLine, ...completionLines, emptyLine];
+
         const previewRanges: vscode.DecorationOptions[] = previewLines.map((line, index) => {
-            const lineNumber = Math.max(0, this.startPosition.line + index - 1);
+            const actualLineNumber = this.startPosition.line + index;
+            const totalLines = this.textEditor.document.lineCount;
+            const lineNumber = Math.min(totalLines - 1, actualLineNumber);
             return {
                 range: new vscode.Range(
                     new vscode.Position(lineNumber, 0),
@@ -115,14 +115,14 @@ class CompletionManager {
                 ),
                 renderOptions: {
                     after: {
-                        contentText: line,
-                    }
-                }
+                        contentText: line.length > 0 ? ` ${line}` : '',
+                    },
+                },
             };
         });
+
         this.textEditor.setDecorations(previewDecorationType, previewRanges);
     }
-    
 
     public async acceptCompletion() {
         const edit = new vscode.WorkspaceEdit();
@@ -139,6 +139,7 @@ class CompletionManager {
     public clearPreview() {
         this.textEditor.setDecorations(previewDecorationType, []);
     }
+
     public declineCompletion() {
         this.clearPreview();
     }
@@ -167,6 +168,7 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, edit: vscode.T
 
         const completionManager = new CompletionManager(textEditor, position, completionText);
         await completionManager.showPreview();
+        activeCompletionManager = completionManager;
 
         let isDisposed = false;
 
@@ -174,7 +176,8 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, edit: vscode.T
             if (!isDisposed) {
                 console.log('Disposing listeners');
                 disposable.dispose();
-                declineDisposable.dispose();
+                typeDisposable.dispose();
+                activeCompletionManager = null;
                 isDisposed = true;
             }
         };
@@ -203,7 +206,7 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, edit: vscode.T
             })
         );
 
-        const declineDisposable = vscode.commands.registerCommand('type', async (args) => {
+        const typeDisposable = vscode.commands.registerCommand('type', async (args) => {
             if (args.text === '\b') { // Backspace key
                 console.log('Declining completion');
                 completionManager.declineCompletion();
@@ -219,6 +222,27 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, edit: vscode.T
     }
 }
 
+async function acceptCompletion() {
+    if (activeCompletionManager) {
+        await activeCompletionManager.acceptCompletion();
+        const editor = vscode.window.activeTextEditor;
+        if (editor) {
+            const lastLine = editor.document.lineAt(editor.document.lineCount - 1);
+            const newPosition = new vscode.Position(lastLine.lineNumber, lastLine.text.length);
+            editor.selection = new vscode.Selection(newPosition, newPosition);
+        }
+        activeCompletionManager = null;
+    }
+}
+
+async function handleTab() {
+    if (activeCompletionManager) {
+        await acceptCompletion();
+    } else {
+        await vscode.commands.executeCommand('tab');
+    }
+}
+
 async function provideCompletionItems(document: vscode.TextDocument, position: vscode.Position, cancellationToken: vscode.CancellationToken) {
     const item = new vscode.CompletionItem('Fabelous autocompletion');
     item.insertText = new vscode.SnippetString('${1:}');
@@ -237,7 +261,7 @@ async function provideCompletionItems(document: vscode.TextDocument, position: v
             const result = await generateCompletion(fimPrompt, cancellationToken);
             const preview = (result as any).preview;
             if (preview) {
-            item.detail = preview.split('\n')[0];
+                item.detail = preview.split('\n')[0];
             }
         } catch (error) {
             console.error('Error fetching preview:', error);
@@ -254,7 +278,6 @@ async function provideCompletionItems(document: vscode.TextDocument, position: v
 
     return [item];
 }
-
 export function activate(context: vscode.ExtensionContext) {
     updateConfig();
     createPreviewDecorationType();
@@ -262,8 +285,11 @@ export function activate(context: vscode.ExtensionContext) {
     context.subscriptions.push(
         vscode.workspace.onDidChangeConfiguration(updateConfig),
         vscode.languages.registerCompletionItemProvider('*', { provideCompletionItems }, ...config.completionKeys),
-        vscode.commands.registerTextEditorCommand('fabelous-autocoder.autocomplete', autocompleteCommand)
+        vscode.commands.registerTextEditorCommand('fabelous-autocoder.autocomplete', autocompleteCommand),
+        vscode.commands.registerCommand('fabelous-autocoder.acceptCompletion', acceptCompletion),
+        vscode.commands.registerCommand('fabelous-autocoder.handleTab', handleTab)
     );
 }
 
+
 export function deactivate() {}