import * as vscode from 'vscode';

export function activate(context: vscode.ExtensionContext) {
	let sel:vscode.DocumentSelector = { scheme: 'file' };
	let LanguageServerProvider = vscode.languages.registerCompletionItemProvider(sel, { 
		provideCompletionItems(document: vscode.TextDocument, position: vscode.Position) {
			let completionResult: vscode.CompletionItem[] = []
			let a = new vscode.CompletionItem("a");
			a.preselect = true;
			a.filterText = "a"
			a.sortText = "0";
			let b = new vscode.CompletionItem("b");
			b.preselect = true;
			b.filterText = "b"
			b.sortText = "00";
			let c = new vscode.CompletionItem("c");
			c.preselect = true;
			c.filterText = "c"
			c.sortText = "000";
			completionResult.push(a, b, c);
			return completionResult
		}
	}, " ", ".");
	context.subscriptions.push(LanguageServerProvider);
}

export function deactivate() {}