/*
 * Valadate - Unit testing library for GObject-based libraries.
 * Copyright (C) 2016  Chris Daley <chebizarro@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 *
 * Authors:
 * 	Chris Daley <chebizarro@gmail.com>
 */

public class Valadate.TestResult {

	public TestConfig config {get;set;}
	public TestReportPrinter printer {get;set;}

	private Queue<TestReport> reports = new Queue<TestReport>();
	private HashTable<Test, TestReport> tests = new HashTable<Test, TestReport>(direct_hash, direct_equal);

	public TestResult(TestConfig config) throws Error {
		this.config = config;
		if(!config.in_subprocess)
			printer = TestReportPrinter.new(config);
	}

	public bool report() {
		if (reports.is_empty())
			return false;
		
		var rpt = reports.peek_head();
		
		if (rpt.test.status == TestStatus.PASSED ||
			rpt.test.status == TestStatus.SKIPPED ||
			rpt.test.status == TestStatus.TODO ||
			rpt.test.status == TestStatus.FAILED ||
			rpt.test.status == TestStatus.ERROR) {
			
			printer.print(rpt);
			reports.pop_head();
			report();
		}
		return true;
	}

	private void update_status(Test test) {
		var rept = tests.get(test);
		if(rept == null)
			return;

		var parent = test.parent;
		if(parent == null)
			return;

		TestStatus status = TestStatus.PASSED;
		foreach(var t in parent) {
			if(t.status == TestStatus.RUNNING)
				return;
			else if(t.status == TestStatus.ERROR)
				status = TestStatus.ERROR;
			else if(t.status == TestStatus.FAILED)
				status = TestStatus.FAILED;
		}
		parent.status = status;
		update_status(parent);
	}	

	public void add_test(Test test) {
		try {
			reports.push_tail(new TestReport(test, config.in_subprocess));
			tests.insert(test, reports.peek_tail());
		} catch (Error e) {
			error(e.message);
		}
	}

	public void add_error(Test test, string error) {
		tests.get(test).add_error(error);
		update_status(test);
	}

	public void add_failure(Test test, string failure) {
		tests.get(test).add_failure(failure);
		update_status(test);
	}
	
	public void add_success(Test test) {
		tests.get(test).add_success();
		update_status(test);
	}

	public void add_skip(Test test, string message) {
		tests.get(test).add_skip(message);
		update_status(test);
	}

	public void process_buffers(Test test, Assembly assembly) throws Error {
		
		var rept = tests.get(test);
		if(rept == null)
			return;

		var bis = new BufferedInputStream (assembly.stderr);
		bis.fill(-1);
		var xml = (string)bis.peek_buffer();
		if(xml.length < 8)
			return;

		rept.process_buffer(xml);

		update_status(test);

		uint8 outbuffer[4096] = {};
		assembly.stdout.read_all(outbuffer, null);
		xml = ((string)outbuffer).strip();
		int i;
		for(i=xml.length-1;i==0;i--)
			if(xml.get_char(i).isgraph())
				break;

		xml = xml.substring(0, i+1);
		if(xml.length < 1 || xml == "\n")
			return;
		rept.add_stdout(xml);
	}
}