/*
 - copyright (c) 2011 Copenhagen Institute of Interaction Design (CIID)
 - all rights reserved.

 + redistribution and use in source and binary forms, with or without
 + modification, are permitted provided that the following conditions
 + are met:
 +  > redistributions of source code must retain the above copyright
 +    notice, this list of conditions and the following disclaimer.
 +  > redistributions in binary form must reproduce the above copyright
 +    notice, this list of conditions and the following disclaimer in
 +    the documentation and/or other materials provided with the
 +    distribution.

 + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 + BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 + OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 + AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 + OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 + SUCH DAMAGE.

 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ~ author: dviid
 ~ contact: dviid@labs.ciid.dk
 */

#include "ShadowScapesAnalysis.h"
#include "ofMain.h"

#include "Poco/Timer.h"
#include "Poco/Thread.h"
#include "RefractiveIndex.h"

using Poco::Timer;
using Poco::TimerCallback;
using Poco::Thread;

#define STATE_SCAN      0
#define STATE_ANALYSIS  1

void ShadowScapesAnalysis::setup(int camWidth, int camHeight)
{
    create_dir();
    _speed = 300;
}

void ShadowScapesAnalysis::acquire()
{
    int w;
    if(_dir == H) w = ofGetWidth();
    else if(_dir == V) w = ofGetHeight();
    _step = ((w / _speed) * 1000) / 50;
    _line = 0;
    Timer scan_timer(0, 50);

    TimerCallback<ShadowScapesAnalysis> strobe_callback(*this, &ShadowScapesAnalysis::scan_cb);

    _state = STATE_SCAN;

    scan_timer.start(strobe_callback);

    while(_state != STATE_ANALYSIS)
        Thread::sleep(5);

    scan_timer.stop();
    // do analysis here
    // go back to the files i've saved and do the math here -

    /*
    while(_state != STATE_STOP)
        Thread::sleep(100);
     */

}

void ShadowScapesAnalysis::synthesise()
{
    // _saved_filenames has all the file names of all the saved images
}


// the animation draw - and the output draw
void ShadowScapesAnalysis::draw()
{
    
    switch (_state) {
        case STATE_ACQUIRING:
        {
            static int _pos;
            
            if(_state == STATE_ANALYSIS) {
                ofSetColor(0, 200, 0);
                ofRect(0, 0, ofGetWidth(), ofGetHeight());
                return;
            }
            
            if(_state == STATE_SCAN) {
                if(_pos != _line) {
                    //take snap??
                    _pos = _line;
                }
                ofSetColor(255, 255,  255);
                
                if(_dir == H) ofRect(_pos, 0, 50, ofGetHeight());
                else if(_dir == V) ofRect(0, _pos, ofGetWidth(), 50);
                
            }
           
            
            break;
        }
            
        case STATE_SYNTHESISING:
        {
            // display animation of something while the synthesis in on-going...
            break;
        }
            
        case STATE_DISPLAY_RESULTS:
        {
            // display results of the synthesis
            break;
        }
            
            
        default:
            break;
    }        


}


void ShadowScapesAnalysis::scan_cb(Timer& timer)
{
    _line += _step;

    if((_dir == H && _line >= ofGetWidth()) ||
       (_dir == V && _line >= ofGetHeight())) {
        _state = STATE_ANALYSIS;
    }
}