#include "OpenGlPainter.h"

#include "DrawingContext.h"
#include "DrawingSurface.h"
#include "Scene.h"

#include "TriMesh.h"

#include "FontsManager.h"
#include "FontGlyph.h"
#include "TextData.h"

#include "OpenGlShaderProgram.h"
#include "OpenGlMeshPainter.h"
#include "OpenGlTextPainter.h"
#include "OpenGlFontTexture.h"

#include "File.h"

#ifdef _WIN32
#include <windows.h>
#endif

#define GL_GLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glx.h>

#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>

#include <iostream>

OpenGlPainter::OpenGlPainter()
    : mMeshPainter(std::make_unique<OpenGlMeshPainter>()),
      mTextPainter(std::make_unique<OpenGlTextPainter>())
{

}

void OpenGlPainter::paint(DrawingContext* context)
{
    auto surface = context->getSurface();
    const auto width = double(surface->getWidth());
    const auto height = double(surface->getHeight());

    glViewport(0, 0, width, height);
    glOrtho(0, width, 0, height, -1.0, 1.0);

    glClearColor(0.5, 0.5, 1.0, 0.0);
    glClear(GL_COLOR_BUFFER_BIT);

    const auto num_mesh = context->getScene()->getNumMeshes();
    for (std::size_t idx=0 ; idx< num_mesh; idx++)
    {
        auto mesh = context->getScene()->getMesh(idx);
        mMeshPainter->paint(mesh, context);
    }

    auto text_data = context->getScene()->getTextData();
    for (const auto& text_item : context->getScene()->getTextData())
    {
        mTextPainter->paint(text_item, context);
        break;
    }
    glFlush();
}