//
// Created by andrew on 2020年11月29日.
//
#include <iostream>

using namespace std;

class Worker;

class State {
public:
 virtual ~State() = default;
 virtual void doSomeThing(Worker *w);
};

void State::doSomeThing(Worker *w) {

}

class Worker {
public:
 Worker();

 void setHour(int hour) {
 m_hour = hour;
 }

 State *getCurrentState() {
 return m_currState;
 }

 void setCurrentState(State *state) {
 m_currState = state;
 }

 void doSomeThing() {
 m_currState->doSomeThing(this);
 }

public:
 int getHour() const {
 return m_hour;
 }

private:
 int m_hour{};
 State *m_currState{}; // 对象当前状态
};

class State1 : public State {
public:
 void doSomeThing(Worker * w) override;
};

class State2 : public State {
public:
 void doSomeThing(Worker * w) override;
};



void State1::doSomeThing(Worker *w) {
 if(w->getHour() == 7 || w->getHour() == 0)
 {
 cout << "morning " << endl;
 }else
 {
 delete w->getCurrentState();
 w->setCurrentState(new State2); // 状态1不满足,转到状态2
 w->getCurrentState()->doSomeThing(w);

 }
}

void State2::doSomeThing(Worker *w) {
 if(w->getHour() == 9 || w->getHour() == 10)
 {
 cout << "work" << endl;
 }else
 {
 delete w->getCurrentState(); // 状态2不满足转到状态
 w->setCurrentState(new State1);
 cout << "当钱时间点:" << w->getHour() << "unkonwn" << endl;
 }
}

Worker::Worker() {
 m_currState = new State1;
}


int main(int argc, char *argv[]) {
 auto *w1 = new Worker;
 w1->setHour(7);
 w1->doSomeThing();

 w1->setHour(9);
 w1->doSomeThing();

 delete w1;

 cout << "state demo" << endl;
 return 0;
}