import * as vscode from 'vscode';
import { validateTplDocument } from './core/TplLinter';
import { TplCodeActionProvider } from './providers/TplCodeActionProvider';
import { TplDocumentFormatter } from './providers/TplDocumentFormatter';
import { TplCompletionProvider } from './providers/TplCompletionProvider';
import { TplHoverProvider } from './providers/TplHoverProvider';

export function activate(context: vscode.ExtensionContext) {
    const diagnosticCollection = vscode.languages.createDiagnosticCollection('tpl-scanner');
    context.subscriptions.push(diagnosticCollection);

    // Linter-Events binden
    vscode.workspace.onDidOpenTextDocument(doc => validateTplDocument(doc, diagnosticCollection));
    vscode.workspace.onDidChangeTextDocument(event => validateTplDocument(event.document, diagnosticCollection));
    
    // Live-Reload für Einstellungen
    vscode.workspace.onDidChangeConfiguration(e => {
        if (e.affectsConfiguration('tpl')) {
            for (const doc of vscode.workspace.textDocuments) {
                validateTplDocument(doc, diagnosticCollection);
            }
        }
    });

    // Provider registrieren
    context.subscriptions.push(vscode.languages.registerCodeActionsProvider('tpl', new TplCodeActionProvider(), { providedCodeActionKinds: [vscode.CodeActionKind.QuickFix] }));
    context.subscriptions.push(vscode.languages.registerDocumentFormattingEditProvider('tpl', new TplDocumentFormatter()));
    context.subscriptions.push(vscode.languages.registerCompletionItemProvider('tpl', new TplCompletionProvider(), '.'));
    context.subscriptions.push(vscode.languages.registerHoverProvider('tpl', new TplHoverProvider()));

    // Bei Aktivierung offene Dokumente einmal scannen
    for (const doc of vscode.workspace.textDocuments) {
        validateTplDocument(doc, diagnosticCollection);
    }
}