/*
 * .============.
 * // M A K E / \
 * // C++ DEV / \
 * // E A S Y / \/ \
 * ++ ----------. \/\ .
 * \\ \ \ /\ /
 * \\ \ \ /
 * \\ \ \ /
 * -============'
 *
 * Copyright (c) 2018 Hevake and contributors, all rights reserved.
 *
 * This file is part of cpp-tbox (https://github.com/cpp-main/cpp-tbox)
 * Use of this source code is governed by MIT license that can be found
 * in the LICENSE file in the root of the source tree. All contributing
 * project authors may be found in the CONTRIBUTORS.md file in the root
 * of the source tree.
 */
#include <tbox/base/assert.h>

#include "common_loop.h"
#include "timer_event_impl.h"

namespace tbox {
namespace event {

TimerEventImpl::TimerEventImpl(CommonLoop *wp_loop, const std::string &what)
 : TimerEvent(what)
 , wp_loop_(wp_loop)
{ }

TimerEventImpl::~TimerEventImpl()
{
 TBOX_ASSERT(cb_level_ == 0);
 disable();
}

bool TimerEventImpl::initialize(const std::chrono::milliseconds &interval, Mode mode)
{
 disable();

 interval_ = interval;
 mode_ = mode;

 is_inited_ = true;
 return true;
}

bool TimerEventImpl::isEnabled() const
{
 if (!is_inited_)
 return false;

 return is_enabled_;
}

bool TimerEventImpl::enable()
{
 if (!is_inited_)
 return false;

 if (isEnabled())
 return true;

 if (wp_loop_)
 token_ = wp_loop_->addTimer(interval_.count(), mode_ == Mode::kOneshot ? 1 : 0, [this]{ onEvent(); });

 is_enabled_ = true;

 return true;
}

bool TimerEventImpl::disable()
{
 if (!is_inited_)
 return false;

 if (!isEnabled())
 return true;

 if (wp_loop_)
 wp_loop_->deleteTimer(token_);

 is_enabled_ = false;
 return true;
}

Loop* TimerEventImpl::getLoop() const
{
 return wp_loop_;
}

void TimerEventImpl::onEvent()
{
 if (mode_ == Mode::kOneshot) {
 is_enabled_ = false;
 token_.reset();
 }

 wp_loop_->beginEventProcess();
 if (cb_) {
 ++cb_level_;
 cb_();
 --cb_level_;
 }
 wp_loop_->endEventProcess(this);
}

}
}