/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "engine.h"
#include "util/memory.h"
#include "time/time.h"
#include "input/input.h"
#include "locale/localemanager.h"
#include "display/display.h"
#include "scene/scenemanager.h"
#include "asset/asset.h"
#include "ui/ui.h"
#include "rpg/rpg.h"
#include "script/scriptmanager.h"
#include "debug/debug.h"

engine_t ENGINE;

errorret_t engineInit(const int32_t argc, const char_t **argv) {
  memoryZero(&ENGINE, sizeof(engine_t));
  ENGINE.running = true;
  ENGINE.argc = argc;
  ENGINE.argv = argv;


  // Init systems. Order is important.
  timeInit();
  inputInit();
  errorChain(assetInit());
  errorChain(localeManagerInit());
  errorChain(scriptManagerInit());
  errorChain(displayInit());
  errorChain(uiInit());
  errorChain(rpgInit());
  errorChain(sceneManagerInit());

  // Run the initial script.
  scriptcontext_t ctx;
  errorChain(scriptContextInit(&ctx));
  errorChain(scriptContextExecFile(&ctx, "script/init.dsf"));
  scriptContextDispose(&ctx);

  errorOk();
}

errorret_t engineUpdate(void) {
  timeUpdate();
  inputUpdate();

  errorChain(rpgUpdate());
  uiUpdate();
  sceneManagerUpdate();
  errorChain(displayUpdate());

  if(inputPressed(INPUT_ACTION_RAGEQUIT)) ENGINE.running = false;

  errorOk();
}

void engineExit(void) {
  ENGINE.running = false;
}

errorret_t engineDispose(void) {
  localeManagerDispose();
  sceneManagerDispose();
  rpgDispose();
  uiDispose();
  errorChain(displayDispose());
  assetDispose();
  errorOk();
}