/**
 * Copyright (c) 2026 Dominic Masters
 *
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "engine.h"
#include "util/memory.h"
#include "perf/perf.h"
#include "time/time.h"
#include "input/input.h"
#include "locale/localemanager.h"
#include "rpg/rpg.h"
#include "display/display.h"
#include "scene/scene.h"
#include "asset/asset.h"
#include "ui/ui.h"
#include "assert/assert.h"
#ifdef DUSK_NETWORK
  #include "network/network.h"
#endif
#include "system/system.h"
#include "console/console.h"
#include "save/save.h"
#include "audio/audio.h"
#include "audio/mixer/audiomixer.h"

engine_t ENGINE;

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

  // Init systems. Order is important.
  perfInit();
  timeInit();
  consoleInit();
  errorChain(systemInit());
  errorChain(inputInit());
  errorChain(assetInit());
  errorChain(saveInit());
  errorChain(localeManagerInit());
  errorChain(displayInit());
  errorChain(audioInit());
  errorChain(uiInit());
  errorChain(rpgInit());
  #ifdef DUSK_NETWORK
    errorChain(networkInit());
  #endif
  errorChain(sceneInit());

  consolePrint("Engine initialized");

  #ifdef DUSK_ASSERTIONS_FAKED
    consolePrint("Assertions faked");
  #else
    consolePrint("Assertions real");
  #endif

  sceneSet(SCENE_TYPE_INITIAL);

  errorOk();
}

errorret_t engineUpdate(void) {
  // Order here is important.
  #ifdef DUSK_NETWORK
    errorChain(networkUpdate());
  #endif
  errorChain(saveUpdate());
  timeUpdate();
  inputUpdate();
  consoleUpdate();
  errorChain(audioUpdateEarly());
  errorChain(rpgUpdate());
  errorChain(sceneUpdate());
  errorChain(assetUpdate());
  errorChain(uiUpdate());

  // Render
  errorChain(displayUpdate());
  errorChain(audioUpdateLate());
  if(inputPressed(INPUT_ACTION_RAGEQUIT)) ENGINE.running = false;
  errorOk();
}

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

errorret_t engineDispose(void) {
  errorChain(sceneDispose());
  #ifdef DUSK_NETWORK
    errorChain(networkDispose());
  #endif
  errorChain(rpgDispose());
  localeManagerDispose();
  errorChain(uiDispose());
  errorChain(audioDispose());
  consoleDispose();
  errorChain(displayDispose());
  errorChain(saveDispose());
  errorChain(assetDispose());
  perfDispose();

  memoryCheckUnfreed();

  errorOk();
}