#include "RUStateDelegate.h"

NS_RU_BEGIN

void StateDelegate::setUserObject(void *userObject)
{
    _userObject = userObject;
}

void* StateDelegate::getUserObject()
{
    return _userObject;
}

void StateDelegate::execStateAct(State* state,
                          const StateActInfo* stateActInfo,
                          const std::map<string, string>& eventParams,
                          const std::function<void(void)>& actFinishCb)
{
    if (actFinishCb) {
        actFinishCb();
    }
}

void StateDelegate::execStateActList(State* state,
                                 const std::vector<StateActInfo>& stateActsInfo,
                                 const std::function<void(void)>& actFinishCb)
{
    execStateActList(state, stateActsInfo, {}, actFinishCb);
}


void StateDelegate::execStateActList(State* state,
                                     const std::vector<StateActInfo>& stateActsInfo,
                                     const std::map<string, string>& eventParams,
                                     const std::function<void(void)>& actFinishCb)
{
    if(stateActsInfo.size() == 0) {
        execStateAct(state, nullptr, eventParams, actFinishCb);
    } else {
        execStateActListRecursively(state, stateActsInfo, eventParams, actFinishCb);
    }
}

void StateDelegate::execStateActListRecursively(State* state,
                      const std::vector<StateActInfo>& stateActsInfo,
                                                const std::function<void(void)>& actFinishCb)
{
    execStateActListRecursively(state, stateActsInfo, {}, actFinishCb);
}

void StateDelegate::execStateActListRecursively(State* state,
                                 const std::vector<StateActInfo>& stateActsInfo,
                                 const std::map<string, string>& eventParams,
                                 const std::function<void(void)>& actFinishCb)
{
    if(stateActsInfo.size() == 0){
        if (actFinishCb) {
            actFinishCb();
        }
        return;
    }
    auto execNextActs = [=](void){
        auto newActs = stateActsInfo;
        newActs.erase(newActs.begin());
        execStateActListRecursively(state, newActs, eventParams, actFinishCb);
    };
    execStateAct(state, &stateActsInfo.at(0), eventParams, execNextActs);
}

void StateDelegate::entry(State* state, const std::vector<StateActInfo>& stateActInfo, std::function<void(void)> actFinishCb) {
    execStateActList(state, stateActInfo, actFinishCb);
}

void StateDelegate::idle(State* state, const std::vector<StateActInfo>& stateActInfo, std::function<void(void)> actFinishCb) {
    execStateActList(state, stateActInfo, actFinishCb);
}

void StateDelegate::exit(State* state, const std::vector<StateActInfo>& stateActInfo, std::function<void(void)> actFinishCb) {
    execStateActList(state, stateActInfo, actFinishCb);
}

void StateDelegate::beforeSwitch(State* state, const std::vector<StateActInfo>& stateActInfo, StateActInfo evt, std::function<void(void)> actFinishCb) {
    execStateActList(state, stateActInfo, evt.actParams, actFinishCb);
}

void StateDelegate::afterSwitch(State* state, const std::vector<StateActInfo>& stateActInfo, StateActInfo evt, std::function<void(void)> actFinishCb) {
    execStateActList(state, stateActInfo, evt.actParams, actFinishCb);
}



NS_RU_END