/*************************************************************************/
/*  path_remap.cpp                                                       */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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/*************************************************************************/
#include "path_remap.h"
#include "globals.h"
#include "os/os.h"
#include "translation.h"
PathRemap *PathRemap::singleton = NULL;

PathRemap *PathRemap::get_singleton() {

	return singleton;
}

void PathRemap::add_remap(const String &p_from, const String &p_to, const String &p_locale) {

	if (!remap.has(p_from)) {
		remap[p_from] = RemapData();
	}

	if (p_locale == String())
		remap[p_from].always = p_to;
	else
		remap[p_from].locale[p_locale] = p_to;
}

String PathRemap::get_remap(const String &p_from) const {

	const RemapData *ptr = remap.getptr(p_from);
	if (!ptr) {
		if (OS::get_singleton()->is_stdout_verbose())
			print_line("remap failed: " + p_from);
		return p_from;
	} else {

		const RemapData *ptr2 = NULL;

		String locale = TranslationServer::get_singleton()->get_locale();

		if (ptr->locale.has(locale)) {
			if (OS::get_singleton()->is_stdout_verbose())
				print_line("remap found: " + p_from + " -> " + ptr->locale[locale]);

			ptr2 = remap.getptr(ptr->locale[locale]);

			if (ptr2 && ptr2->always != String()) //may have atlas or export remap too
				return ptr2->always;
			else
				return ptr->locale[locale];
		}

		int p = locale.find("_");
		if (p != -1) {
			locale = locale.substr(0, p);
			if (ptr->locale.has(locale)) {
				if (OS::get_singleton()->is_stdout_verbose())
					print_line("remap found: " + p_from + " -> " + ptr->locale[locale]);

				ptr2 = remap.getptr(ptr->locale[locale]);

				if (ptr2 && ptr2->always != String()) //may have atlas or export remap too
					return ptr2->always;
				else
					return ptr->locale[locale];
			}
		}

		if (ptr->always != String()) {
			if (OS::get_singleton()->is_stdout_verbose()) {
				print_line("remap found: " + p_from + " -> " + ptr->always);
			}
			return ptr->always;
		}

		if (OS::get_singleton()->is_stdout_verbose())
			print_line("remap failed: " + p_from);

		return p_from;
	}
}
bool PathRemap::has_remap(const String &p_from) const {

	return remap.has(p_from);
}

void PathRemap::erase_remap(const String &p_from) {

	ERR_FAIL_COND(!remap.has(p_from));
	remap.erase(p_from);
}

void PathRemap::clear_remaps() {

	remap.clear();
}

void PathRemap::load_remaps() {

	// default remaps first
	DVector<String> remaps = Globals::get_singleton()->get("remap/all");

	{
		int rlen = remaps.size();

		ERR_FAIL_COND(rlen % 2);
		DVector<String>::Read r = remaps.read();
		for (int i = 0; i < rlen / 2; i++) {

			String from = r[i * 2 + 0];
			String to = r[i * 2 + 1];
			add_remap(from, to);
		}
	}

	// platform remaps second, so override
	remaps = Globals::get_singleton()->get("remap/" + OS::get_singleton()->get_name());
	//	remaps = Globals::get_singleton()->get("remap/PSP");
	{
		int rlen = remaps.size();

		ERR_FAIL_COND(rlen % 2);
		DVector<String>::Read r = remaps.read();
		for (int i = 0; i < rlen / 2; i++) {

			String from = r[i * 2 + 0];
			String to = r[i * 2 + 1];
			//			print_line("add remap: "+from+" -> "+to);
			add_remap(from, to);
		}
	}

	//locale based remaps

	if (Globals::get_singleton()->has("locale/translation_remaps")) {

		Dictionary remaps = Globals::get_singleton()->get("locale/translation_remaps");
		List<Variant> rk;
		remaps.get_key_list(&rk);
		for (List<Variant>::Element *E = rk.front(); E; E = E->next()) {

			String source = E->get();
			StringArray sa = remaps[E->get()];
			int sas = sa.size();
			StringArray::Read r = sa.read();

			for (int i = 0; i < sas; i++) {

				String s = r[i];
				int qp = s.find_last(":");
				if (qp != -1) {
					String path = s.substr(0, qp);
					String locale = s.substr(qp + 1, s.length());
					add_remap(source, path, locale);
				}
			}
		}
	}
}

void PathRemap::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("add_remap", "from", "to", "locale"), &PathRemap::add_remap, DEFVAL(String()));
	ObjectTypeDB::bind_method(_MD("has_remap", "path"), &PathRemap::has_remap);
	ObjectTypeDB::bind_method(_MD("get_remap", "path"), &PathRemap::get_remap);
	ObjectTypeDB::bind_method(_MD("erase_remap", "path"), &PathRemap::erase_remap);
	ObjectTypeDB::bind_method(_MD("clear_remaps"), &PathRemap::clear_remaps);
}

PathRemap::PathRemap() {

	singleton = this;
}