// The module 'vscode' contains the VS Code extensibility API
// Import the module and reference it with the alias vscode in your code below
import * as vscode from 'vscode';
import CompletionItemProvider from './completionItemProvider';
import Commands from './commands';

// this method is called when your extension is activated
// your extension is activated the very first time the command is executed
export function activate(context: vscode.ExtensionContext) {
	var outputChannel: vscode.OutputChannel = vscode.window.createOutputChannel("LaTeX build output");
	var commands_this_context = { outputChannel: outputChannel, settings: vscode.workspace.getConfiguration('latex') };

	// Register Build Commands
	// The Command was defined in package.json and the commandId parameter has
	// to be equal to the 'command' field in the package.json file
	context.subscriptions.push(vscode.commands.registerTextEditorCommand( 'latex.pdflatex', Commands.latex_pdflatex, commands_this_context ));
	context.subscriptions.push(vscode.commands.registerTextEditorCommand( 'latex.makeindex', Commands.latex_makeindex, commands_this_context ));
	
	// Register the Completion Item Provider
	context.subscriptions.push(vscode.languages.registerCompletionItemProvider(
		[{ language: 'latex' }],        // document selector
		new CompletionItemProvider(),   // A Complete Item Provider instance
		'\\', '{', '[' //, '='          // Characters to trigger an completion suggestion
	));
}