/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "common/config-manager.h"
#include "graphics/renderer.h"

#include "engines/grim/debugger.h"
#include "engines/grim/md5check.h"
#include "engines/grim/grim.h"

namespace Grim {

Debugger::Debugger() :
		GUI::Debugger() {

	registerCmd("check_gamedata", WRAP_METHOD(Debugger, cmd_checkFiles));
	registerCmd("lua_do", WRAP_METHOD(Debugger, cmd_lua_do));
	registerCmd("jump", WRAP_METHOD(Debugger, cmd_jump));
	registerCmd("set_renderer", WRAP_METHOD(Debugger, cmd_set_renderer));
	registerCmd("save", WRAP_METHOD(Debugger, cmd_save));
	registerCmd("load", WRAP_METHOD(Debugger, cmd_load));
}

Debugger::~Debugger() {

}

bool Debugger::cmd_checkFiles(int argc, const char **argv) {
	if (MD5Check::checkFiles()) {
		debugPrintf("All files are ok.\n");
	} else {
		debugPrintf("Some files are corrupted or missing.\n");
	}

	return true;
}

bool Debugger::cmd_lua_do(int argc, const char **argv) {
	if (argc < 2) {
		debugPrintf("Usage: lua_do <lua command>\n");
		return true;
	}

	Common::String cmd;
	for (int i = 1; i < argc; ++i) {
		cmd += argv[i];
		cmd += " ";
	}
	cmd.deleteLastChar();
	debugPrintf("Executing command: <%s>\n", cmd.c_str());
	cmd = Common::String::format("__temp_fn__ = function()\n%s\nend\nstart_script(__temp_fn__)", cmd.c_str());
	g_grim->debugLua(cmd);
	return true;
}

bool Debugger::cmd_jump(int argc, const char **argv) {
	if (argc < 2) {
		debugPrintf("Usage: jump <jump target>\n");
		return true;
	}
	// Escape from Monkey Island keeps the jump script in a separate file, so load it first
	if (g_grim->getGameType() == GType_MONKEY4) {
		Common::String loadJS = Common::String::format("dofile(\"_jumpscripts.lua\")\n");
		g_grim->debugLua(loadJS.c_str());
	}

	// Start the jump_script Lua function with the desired target
	Common::String cmd = Common::String::format("start_script(jump_script,\"%s\")", argv[1]);
	g_grim->debugLua(cmd.c_str());
	return true;
}

bool Debugger::cmd_set_renderer(int argc, const char **argv) {
	if (argc < 2) {
		debugPrintf("Usage: set_renderer <renderer>\n");
		debugPrintf("Where <renderer> is 'software', 'opengl' or 'opengl_shaders'\n");
		return true;
	}

	Graphics::RendererType renderer = Graphics::Renderer::parseTypeCode(argv[1]);
	if (renderer == Graphics::kRendererTypeDefault) {
		debugPrintf("Invalid renderer '%s'\n", argv[1]);
		return true;
	}

	ConfMan.set("renderer", Graphics::Renderer::getTypeCode(renderer));
	g_grim->changeHardwareState();
	return false;
}

bool Debugger::cmd_save(int argc, const char **argv) {
	if (argc < 2) {
		debugPrintf("Usage: save <save name>\n");
		return true;
	}
	Common::String file = Common::String::format("%s.gsv", argv[1]);
	g_grim->saveGame(file);
	return true;
}

bool Debugger::cmd_load(int argc, const char **argv) {
	if (argc < 2) {
		debugPrintf("Usage: load <save name>\n");
		return true;
	}
	Common::String file = Common::String::format("%s.gsv", argv[1]);
	g_grim->loadGame(file);
	return true;
}

}