/*
 * .============.
 * // 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 "loop_action.h"
#include <tbox/base/json.hpp>
#include <tbox/base/assert.h>

namespace tbox {
namespace flow {

using namespace std::placeholders;

LoopAction::LoopAction(event::Loop &loop, Mode mode)
 : SerialAssembleAction(loop, "Loop")
 , mode_(mode)
{ }

LoopAction::LoopAction(event::Loop &loop, Action *child, Mode mode)
 : SerialAssembleAction(loop, "Loop")
 , child_(child)
 , mode_(mode)
{
 TBOX_ASSERT(child_ != nullptr);
 bool is_set_parent_ok = child_->setParent(this);
 TBOX_ASSERT(is_set_parent_ok);
 UNUSED_VAR(is_set_parent_ok);

 child_->setFinishCallback(std::bind(&LoopAction::onChildFinished, this, _1, _2, _3));
 child_->setBlockCallback(std::bind(&LoopAction::block, this, _1, _2));
}

LoopAction::~LoopAction() {
 CHECK_DELETE_RESET_OBJ(child_);
}

void LoopAction::toJson(Json &js) const {
 SerialAssembleAction::toJson(js);
 child_->toJson(js["child"]);
}

bool LoopAction::setChild(Action *child) {
 if (child == nullptr) {
 LogWarn("%d:%s[%s], add child %d:%s[%s] fail, child == nullptr",
 id(), type().c_str(), label().c_str());
 return false;
 }

 if (!child->setParent(this))
 return false;

 child->setFinishCallback(std::bind(&LoopAction::onChildFinished, this, _1, _2, _3));
 child->setBlockCallback(std::bind(&LoopAction::block, this, _1, _2));

 CHECK_DELETE_RESET_OBJ(child_);
 child_ = child;

 return true;
}

bool LoopAction::isReady() const {
 if (child_ == nullptr) {
 LogWarn("%d:%s[%s], child not set", id(), type().c_str(), label().c_str());
 return false;
 }
 return child_->isReady();
}

void LoopAction::onStart() {
 SerialAssembleAction::onStart();

 TBOX_ASSERT(child_ != nullptr);
 startThisAction(child_);
}

void LoopAction::onReset() {
 TBOX_ASSERT(child_ != nullptr);
 child_->reset();

 SerialAssembleAction::onReset();
}

void LoopAction::onChildFinished(bool is_succ, const Reason &why, const Trace &trace) {
 if (handleChildFinishEvent([this, is_succ, why, trace] { onChildFinished(is_succ, why, trace); }))
 return;

 if ((mode_ == Mode::kUntilSucc && is_succ) ||
 (mode_ == Mode::kUntilFail && !is_succ)) {
 finish(is_succ, why, trace);

 } else {
 child_->reset();
 startThisAction(child_);
 }
}

}
}