/*
 * Menu.cpp
 *
 *  Created on: 29 Apr 2023
 *      Author: dave
 */

#include "Menu.h"
#include <assert.h>

Menu::Menu(): current(&Menu::sInitView), set_point(0, 100, 1),
main_text     ("CURRENT %2d      DESIRED %2d      "),
set_point_text("CURRENT %2d      DESIRED[%2d]     ")
{
	this->SetState(&Menu::sInitView);
    set_point.setCurrent(0);
}

Menu::~Menu() 
{
}

void Menu::HandleEventPair (Event::EventPair *ep)
{
    switch(ep->et/*EventType*/)
    {
        case Event::Rotary:
            // can be wrapped in a function, but this was found to be more clear solution,
            // since we are still handling eventpair here, although nested
            switch(static_cast<ThreadCommon::RotaryAction>(ep->rd)/*RawData*/)
            {
                case ThreadCommon::RotaryAction::Right:
                    this->HandleObj(MenuObjEvent (MenuObjEvent::eRollClockWise));
                    break;
                case ThreadCommon::RotaryAction::Left:
                    this->HandleObj(MenuObjEvent (MenuObjEvent::eRollCClockWise));
                    break;
                case ThreadCommon::RotaryAction::Press:
                    this->HandleObj(MenuObjEvent (MenuObjEvent::eClick));
                    break;
                case ThreadCommon::RotaryAction::Idle:
                    /*I guess this is left for debugging purposes ;D*/
                    this->HandleObj(MenuObjEvent (MenuObjEvent::eRefresh));
                    break;
                default:
                    assert(0);
                    /* Pretty damn bad code if reached here */
                    break;
            }
            break;
        case Event::ExternalTemp:
            //Change ExternalTemp value.
            this->ext_temp = ep->rd;
            //Refresh the menu screen.
            this->HandleObj(MenuObjEvent (MenuObjEvent::eRefresh));
            break;
        default:
            assert(0);
            /* Manager has big issues... */
            break;
    }
	return;
}

/* States */
void Menu::sInitView(const MenuObjEvent &e)
{
    switch (e.type)
    {
    case MenuObjEvent::eFocus:
        this->NotifyAndRefreshUI("Loading...");
        break;
    case MenuObjEvent::eUnFocus:
        this->NotifyAndRefreshUI("");
        break;
    case MenuObjEvent::eRollClockWise:
        break;
    case MenuObjEvent::eRollCClockWise:
        break;
    case MenuObjEvent::eClick:
        break;
    case MenuObjEvent::eRefresh:
        this->SetState(&Menu::sMainView);
        break;
    default:
        break;
    }
}

void Menu::sMainView(const MenuObjEvent &e)
{
    char screen_text[64];
    switch (e.type)
    {
    case MenuObjEvent::eFocus: 
        sprintf(screen_text, main_text, this->ext_temp, this->set_point.getCurrent());
        this->NotifyAndRefreshUI(screen_text);
        break;
    case MenuObjEvent::eUnFocus:
        this->NotifyAndRefreshUI("");
        break;
    case MenuObjEvent::eRollClockWise:
        break;
    case MenuObjEvent::eRollCClockWise:
        break;
    case MenuObjEvent::eClick:
        this->SetState(&Menu::sSetPointMod);
        break;
    case MenuObjEvent::eRefresh:
        sprintf(screen_text, main_text, this->ext_temp, this->set_point.getCurrent());
        this->NotifyAndRefreshUI(screen_text);
        break;
    default:
        break;
    }
}

void Menu::sSetPointMod(const MenuObjEvent &e)
{
    char screen_text[64];
    switch (e.type)
    {
    case MenuObjEvent::eFocus:
        sprintf(screen_text, set_point_text, this->ext_temp, this->set_point.getCurrent());
        this->NotifyAndRefreshUI(screen_text);
        break;
    case MenuObjEvent::eUnFocus:
        this->NotifyAndRefreshUI("");
        break;
    case MenuObjEvent::eRollClockWise:
        set_point.inc();
        sprintf(screen_text, set_point_text, this->ext_temp, this->set_point.getCurrent());
        this->NotifyAndRefreshUI(screen_text);
        break;
    case MenuObjEvent::eRollCClockWise:
        set_point.dec();
        sprintf(screen_text, set_point_text, this->ext_temp, this->set_point.getCurrent());
        this->NotifyAndRefreshUI(screen_text);
        break;
    case MenuObjEvent::eClick:
        this->SetState(&Menu::sMainView);
        break;
    case MenuObjEvent::eRefresh:
        sprintf(screen_text, set_point_text, this->ext_temp, this->set_point.getCurrent());
        this->NotifyAndRefreshUI(screen_text);
        break;
    default:
        break;
    }
}

void Menu::SetState (p_state new_state)
{
	(this->*current) (MenuObjEvent (MenuObjEvent::eUnFocus));
	current = new_state;
	(this->*current) (MenuObjEvent (MenuObjEvent::eFocus));
}

void Menu::HandleObj (const MenuObjEvent &event)
{
	(this->*current) (event);
}

void Menu::NotifyAndRefreshUI (const char *str)
{
    //Send string on a queue to UI task.
}