#include "PrecompiledHeader.h"

#include "GameStateStory.h"
#include "StoryFlow.h"
#include "SimpleMenu.h"
#include "GameApp.h"
#include <dirent.h>

GameStateStory::GameStateStory(GameApp* parent): GameState(parent) {
	flow = NULL;
  menu = NULL;
}

GameStateStory::~GameStateStory() {
  End();
}

 
void GameStateStory::loadStoriesMenu(const char * root){
  SAFE_DELETE(menu);
  stories.clear();
  DIR *mDip;
  struct dirent *mDit;

  mDip = opendir(root);

  while ((mDit = readdir(mDip))){
    char buffer[4096];
    sprintf(buffer, "%s%s/story.xml", root, mDit->d_name);
    std::ifstream file(buffer);
    if(file){
      string fname =  mDit->d_name;
      stories.push_back(fname);
      file.close();
    }
  }
  closedir(mDip);
  
  switch(stories.size()){
    case 0:
      mParent->DoTransition(TRANSITION_FADE,GAME_STATE_MENU);
      break;
    case 1:
      flow = NEW StoryFlow(stories[0]);
      break;
    default:
      menu = NEW SimpleMenu(103, this, Fonts::MENU_FONT, 150,60);
        for (size_t i = 0; i < stories.size(); ++i){
          menu->Add(i, stories[i].c_str());
        }
        menu->Add(kCancelMenuID, "Cancel");
  }
}

void GameStateStory::Start() {
	flow = NULL;
  menu = NULL;
  loadStoriesMenu( RESPATH"/campaigns/");
}

void GameStateStory::Update(float dt) {
  if (!menu && mEngine->GetButtonClick(JGE_BTN_MENU)){
      menu = NEW SimpleMenu(100, this, Fonts::MENU_FONT, SCREEN_WIDTH/2-100, 25);
      menu->Add(0,"Back to main menu");
      menu->Add(kCancelMenuID, "Cancel");
  }
  if (menu) {
    menu->Update(dt);
    if (menu->closed) 
      SAFE_DELETE(menu);
    //return;
  }
  if (flow){
    if (flow->currentPageId == "End") {
      if (mEngine->GetButtonClick(JGE_BTN_OK) || mEngine->GetButtonClick(JGE_BTN_SEC)){
        mParent->DoTransition(TRANSITION_FADE,GAME_STATE_MENU);
      }
    }
    flow->Update(dt);
  }
}

void GameStateStory::Render() {
  if (flow) flow->Render();
  if (menu) menu->Render();
}

void GameStateStory::End() {
  SAFE_DELETE(flow);
  SAFE_DELETE(menu);
}

void GameStateStory::ButtonPressed(int controllerId, int controlId) {
  menu->Close();

  switch (controllerId){
    case 100:
      if (controlId == -1){
      }else {
        mParent->DoTransition(TRANSITION_FADE,GAME_STATE_MENU);
      }
      break;
    default:
      if (controlId == -1){
         mParent->DoTransition(TRANSITION_FADE,GAME_STATE_MENU);
      }else {
         flow = NEW StoryFlow(stories[controlId]);
      }
  }

}