#include <jansson.h>
#include <cairo/cairo.h>
#include <math.h>
#include <string.h>
#include "projeto.h"


int main(){

   json_t *root;
   json_error_t error;
   root = json_load_file("test.json", 0, &error);
   if(!root){
   fprintf(stderr, "error: on line %d: %s\n", error.line, error.text);
   return 1;
   }

   json_t * jfilename = json_object_get(root, "file_name"); //Obtendo o nome do arquivo
   const char * filename = json_string_value(jfilename);

   json_t * jtype = json_object_get(root, "file_type"); //Obtendo o tipo de arquivo
   const char * filetype = json_string_value(jtype);

   char * fn = (char *)malloc (strlen (filename) + strlen (filetype) + 2);
   sprintf(fn, "%s.%s", filename, filetype);
   printf("Filename: %s\n", fn);

   json_t * jwidth = json_object_get(root, "width"); //Obtendo a largura
   int width = json_number_value(jwidth);
   printf("Width: %d\n", width);

   json_t * jheight = json_object_get(root, "height"); //Obtendo a altura
   int height = json_number_value(jheight);
   printf("Height: %d\n", height);


   cairo_surface_t *surface;
   cairo_t *cr;

   surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
   cr = cairo_create(surface);


   json_t * jcontent = json_object_get(root, "content"); //Obtendo as definições

   for(int i = 0; i < json_array_size(jcontent); ++i){
        json_t * jdados = json_array_get(jcontent, i);
        int type =  json_number_value(json_object_get(jdados, "type")); //Identificando a saida
        switch(type){
            case 0:{
                int x = json_number_value(json_object_get(jdados, "x"));
                int y = json_number_value(json_object_get(jdados, "y"));
                int width = json_number_value(json_object_get(jdados, "width"));
                int height =  json_number_value(json_object_get(jdados, "height"));
        int linewidth = json_number_value(json_object_get(jdados, "line_width"));
        json_t * bgcolor = json_object_get(jdados, "background_color");
        float red =  json_number_value(json_object_get(bgcolor, "r"));
        float green =  json_number_value(json_object_get(bgcolor, "g"));
        float blue =  json_number_value(json_object_get(bgcolor, "b"));
        //float alpha =  json_number_value(json_object_get(bgcolor, "a"));

        json_t * stcolor = json_object_get(jdados, "stroke_color");
        float sred =  json_number_value(json_object_get(stcolor, "r"));
        float sgreen =  json_number_value(json_object_get(stcolor, "g"));
        float sblue =  json_number_value(json_object_get(stcolor, "b"));
        //float salpha =  json_number_value(json_object_get(stcolor, "a"));
                makeRectangle(cr, x, y, width, height, linewidth, red, green, blue, sred, sgreen, sblue);
                break;
            }
            default:
                break;
        }
   }

   cairo_surface_write_to_png(surface, fn);
   cairo_destroy(cr);
   cairo_surface_destroy(surface);
   free (fn);


return 0;
}