/**
 * 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/scene.h"
#include "asset/asset.h"
#include "ui/ui.h"
#include "map/map.h"
#include "script/scriptmanager.h"
#include "debug/debug.h"
#include "item/backpack.h"
#include "assert/assert.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(mapInit());
  errorChain(sceneInit());
  backpackInit();

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

  errorChain(scriptContextExec(&ctx,
    "printf('Lua still working')"
    // "module('platform')\n"
    // "module('input')\n"
    // "module('scene')\n"
    // "module('locale')\n"
    // "if PLATFORM == \"psp\" then\n"
    // "  inputBind(\"up\", INPUT_ACTION_UP)\n"
    // "  inputBind(\"down\", INPUT_ACTION_DOWN)\n"
    // "  inputBind(\"left\", INPUT_ACTION_LEFT)\n"
    // "  inputBind(\"right\", INPUT_ACTION_RIGHT)\n"
    // "  inputBind(\"circle\", INPUT_ACTION_CANCEL)\n"
    // "  inputBind(\"cross\", INPUT_ACTION_ACCEPT)\n"
    // "  inputBind(\"select\", INPUT_ACTION_RAGEQUIT)\n"
    // "  inputBind(\"lstick_up\", INPUT_ACTION_UP)\n"
    // "  inputBind(\"lstick_down\", INPUT_ACTION_DOWN)\n"
    // "  inputBind(\"lstick_left\", INPUT_ACTION_LEFT)\n"
    // "  inputBind(\"lstick_right\", INPUT_ACTION_RIGHT)\n"
    // "else\n"
    // "  if INPUT_KEYBOARD then\n"
    // "    inputBind(\"w\", INPUT_ACTION_UP)\n"
    // "    inputBind(\"s\", INPUT_ACTION_DOWN)\n"
    // "    inputBind(\"a\", INPUT_ACTION_LEFT)\n"
    // "    inputBind(\"d\", INPUT_ACTION_RIGHT)\n"
    // "    inputBind(\"left\", INPUT_ACTION_LEFT)\n"
    // "    inputBind(\"right\", INPUT_ACTION_RIGHT)\n"
    // "    inputBind(\"up\", INPUT_ACTION_UP)\n"
    // "    inputBind(\"down\", INPUT_ACTION_DOWN)\n"
    // "    inputBind(\"enter\", INPUT_ACTION_ACCEPT)\n"
    // "    inputBind(\"e\", INPUT_ACTION_ACCEPT)\n"
    // "    inputBind(\"q\", INPUT_ACTION_CANCEL)\n"
    // "    inputBind(\"escape\", INPUT_ACTION_RAGEQUIT)\n"
    // "  end \n"
    // "end\n"
    // "localeSet(DUSK_LOCALE_EN_US)\n"
    // "print('Good here')"
  ));

  scriptContextDispose(&ctx);

  errorOk();
}

errorret_t engineUpdate(void) {
  #if DOLPHIN
    ENGINE.running = SYS_MainLoop();
  #endif

  timeUpdate();
  inputUpdate();

  uiUpdate();
  errorChain(sceneUpdate());
  mapUpdate();
  errorChain(displayUpdate());

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

  errorOk();
}

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

errorret_t engineDispose(void) {
  sceneDispose();
  mapDispose();
  localeManagerDispose();
  uiDispose();
  errorChain(displayDispose());
  assetDispose();
  errorOk();
}