#include "core/renderer.h"
#include "core/window.h"

#include "core/event.h"

#include <stdio.h>
#include <string.h>

void treat_xcb_error(int code) {
  switch (code) {

  case XCB_CONN_ERROR: {
    printf("Connection error\n");
  } break;
  case XCB_CONN_CLOSED_MEM_INSUFFICIENT: {
    printf("Memory insufficient error\n");
  } break;
  case XCB_CONN_CLOSED_REQ_LEN_EXCEED: {
    printf("Request length exceeded error\n");
  } break;
  case XCB_CONN_CLOSED_PARSE_ERR: {
    printf("Parse error\n");
  } break;
  case XCB_CONN_CLOSED_INVALID_SCREEN: {
    printf("Invalid Screen error\n");
  } break;
  }
}

int main(int argc, char **argv) {
  struct ruim_rendererGLES renderer;
  int width, height, needsRender, shouldClose = 0;
  RuimToplevelBackend backend;
  RuimToplevel toplevel;
  RuimEvent event;
  int err;

  memset(&backend, 0, sizeof(backend));
  memset(&toplevel, 0, sizeof(toplevel));
  memset(&event, 0, sizeof(event));

  if ((err = RuimToplevelBackendInit(&backend)) != 0) {
    treat_xcb_error(err);
    return 1;
  }

  toplevel.backend = &backend;
  if ((err = RuimToplevelCreate(&toplevel, RUIM_TOPLEVEL_WINDOW)) != 0) {
    treat_xcb_error(err);
    return 1;
  }

  RuimToplevelDisplay(&toplevel);
  RuimInitEGL(&toplevel);
  renderer = RuimSetupGLES();

  while (!shouldClose) {
    int has_events = 0;

    while (RuimToplevelBackendPoll(&backend, &event)) {
      has_events = 1;
      switch (event.type) {
      case RUIM_EVENT_REDRAW: {
        needsRender = 1;
      } break;
      case RUIM_EVENT_WINDOW: {
        width = event.data.window.width;
        height = event.data.window.height;
      } break;
      case RUIM_EVENT_MOUSEDOWN: {
      } break;
      case RUIM_EVENT_QUIT: {
        shouldClose = 1;
      } break;
      }
    }

    if (needsRender) {
      RuimResizeGLES(&renderer, width, height);
      RuimRenderGLES(&renderer);
      RuimSwapEGL(&toplevel);

      needsRender = 0;
    } else if (!has_events) {
      RuimToplevelWaitForEvent(&toplevel);
    }
  }

  RuimToplevelDestroy(&toplevel);
  RuimToplevelBackendDeinit(&backend);

  return 0;
}