/*
Copyright (c) 2019-2020 Péter Magyar

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:

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 CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

#include "ess.h"

#include "../database/ess_resource_db.h"
#include "../spawners/ess_entity_spawner.h"
#include "../utility/entity_create_info.h"

ESS *ESS::instance;

ESS *ESS::get_instance() {
	return instance;
}

bool ESS::get_use_spell_points() const {
	return _use_spell_points;
}
void ESS::set_use_spell_points(const bool value) {
	_use_spell_points = value;
}

bool ESS::get_scale_spells_by_default() const {
	return _scale_spells_by_default;
}
void ESS::set_scale_spells_by_default(const bool value) {
	_scale_spells_by_default = value;
}

bool ESS::get_automatic_load() const {
	return _automatic_load;
}
void ESS::set_automatic_load(const bool load) {
	_automatic_load = load;
}

bool ESS::get_use_class_xp() const {
	return _use_class_xp;
}
void ESS::set_use_class_xp(const bool value) {
	_use_class_xp = value;
}

bool ESS::get_automatic_class_levelups() const {
	return _automatic_class_levelups;
}
void ESS::set_automatic_class_levelups(const bool value) {
	_automatic_class_levelups = value;
}

bool ESS::get_use_global_class_level() const {
	return _use_global_class_level;
}
void ESS::set_use_global_class_level(const bool value) {
	_use_global_class_level = value;
}

bool ESS::get_allow_class_spell_learning() const {
	return _allow_class_spell_learning;
}
void ESS::set_allow_class_spell_learning(const bool value) {
	_allow_class_spell_learning = value;
}

bool ESS::get_allow_class_recipe_learning() const {
	return _allow_class_recipe_learning;
}
void ESS::set_allow_class_recipe_learning(const bool value) {
	_allow_class_recipe_learning = value;
}

Ref<ESSResourceDB> ESS::get_resource_db() {
	return _ess_resource_db;
}
void ESS::set_resource_db(const Ref<ESSResourceDB> &resource_db) {
	_ess_resource_db = resource_db;
}

Ref<ESSEntitySpawner> ESS::get_entity_spawner() {
	return _ess_entity_spawner;
}
void ESS::set_entity_spawner(const Ref<ESSEntitySpawner> &spawner) {
	_ess_entity_spawner = spawner;
}

String ESS::get_resource_db_path() {
	return _ess_resource_db_path;
}
void ESS::set_resource_db_path(const String &path) {
	_ess_resource_db_path = path;
}

String ESS::get_entity_spawner_path() {
	return _ess_entity_spawner_path;
}
void ESS::set_entity_spawner_path(const String &path) {
	_ess_entity_spawner_path = path;
}

void ESS::request_entity_spawn(Ref<EntityCreateInfo> info) {
	if (_ess_entity_spawner.is_valid())
		_ess_entity_spawner->request_entity_spawn(info);
}
void ESS::request_entity_spawn_deferred(Ref<EntityCreateInfo> info) {
	if (_ess_entity_spawner.is_valid())
		_ess_entity_spawner->request_entity_spawn_deferred(info);
}

void ESS::load_resource_db() {
	_Directory dir;

	ERR_FAIL_COND(_ess_resource_db_path == "");

	Ref<ESSResourceDB> d = load_resource(_ess_resource_db_path, "ESSResourceDB");

	ERR_FAIL_COND(!d.is_valid());

	_ess_resource_db = d;
}

void ESS::load_entity_spawner() {
	_Directory dir;

	ERR_FAIL_COND(_ess_entity_spawner_path == "");

	Ref<ESSEntitySpawner> d = load_resource(_ess_entity_spawner_path, "ESSEntitySpawner");

	ERR_FAIL_COND(!d.is_valid());

	_ess_entity_spawner = d;
}

Ref<Resource> ESS::load_resource(const String &path, const String &type_hint) {
	_ResourceLoader *rl = _ResourceLoader::get_singleton();

#if VERSION_MAJOR < 4
	Ref<ResourceInteractiveLoader> resl = rl->load_interactive(path, type_hint);

	ERR_FAIL_COND_V(!resl.is_valid(), Ref<Resource>());

	resl->wait();

	return resl->get_resource();
#else
	return rl->load(path, type_hint);
#endif
}

void ESS::load_all() {
	load_resource_db();
	load_entity_spawner();

	_ess_resource_db->initialize();
}

void ESS::setup(const Ref<ESSResourceDB> &resource_db, const Ref<ESSEntitySpawner> &entity_spawner) {
	_ess_resource_db = resource_db;
	_ess_entity_spawner = entity_spawner;
}

void ESS::_bind_methods() {
	ClassDB::bind_method(D_METHOD("get_use_spell_points"), &ESS::get_use_spell_points);
	ClassDB::bind_method(D_METHOD("set_use_spell_points", "value"), &ESS::set_use_spell_points);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_spell_points"), "set_use_spell_points", "get_use_spell_points");

	ClassDB::bind_method(D_METHOD("get_scale_spells_by_default"), &ESS::get_scale_spells_by_default);
	ClassDB::bind_method(D_METHOD("set_scale_spells_by_default", "value"), &ESS::set_scale_spells_by_default);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scale_spells_by_default"), "set_scale_spells_by_default", "get_scale_spells_by_default");

	ClassDB::bind_method(D_METHOD("get_automatic_load"), &ESS::get_automatic_load);
	ClassDB::bind_method(D_METHOD("set_automatic_load", "load"), &ESS::set_automatic_load);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "automatic_load"), "set_automatic_load", "get_automatic_load");

	ClassDB::bind_method(D_METHOD("get_automatic_class_levelups"), &ESS::get_automatic_class_levelups);
	ClassDB::bind_method(D_METHOD("set_automatic_class_levelups", "load"), &ESS::set_automatic_class_levelups);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "automatic_class_levelups"), "set_automatic_class_levelups", "get_automatic_class_levelups");

	ClassDB::bind_method(D_METHOD("get_use_class_xp"), &ESS::get_use_class_xp);
	ClassDB::bind_method(D_METHOD("set_use_class_xp", "value"), &ESS::set_use_class_xp);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_class_xp"), "set_use_class_xp", "get_use_class_xp");

	ClassDB::bind_method(D_METHOD("get_use_global_class_level"), &ESS::get_use_global_class_level);
	ClassDB::bind_method(D_METHOD("set_use_global_class_level", "value"), &ESS::set_use_global_class_level);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_global_class_level"), "set_use_global_class_level", "get_use_global_class_level");

	ClassDB::bind_method(D_METHOD("get_allow_class_spell_learning"), &ESS::get_allow_class_spell_learning);
	ClassDB::bind_method(D_METHOD("set_allow_class_spell_learning", "value"), &ESS::set_allow_class_spell_learning);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_class_spell_learning"), "set_allow_class_spell_learning", "get_allow_class_spell_learning");

	ClassDB::bind_method(D_METHOD("get_allow_class_recipe_learning"), &ESS::get_allow_class_recipe_learning);
	ClassDB::bind_method(D_METHOD("set_allow_class_recipe_learning", "value"), &ESS::set_allow_class_recipe_learning);
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_class_recipe_learning"), "set_allow_class_recipe_learning", "get_allow_class_recipe_learning");

	ClassDB::bind_method(D_METHOD("get_resource_db"), &ESS::get_resource_db);
	ClassDB::bind_method(D_METHOD("set_resource_db"), &ESS::set_resource_db);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "resource_db", PROPERTY_HINT_RESOURCE_TYPE, "ESSResourceDB"), "set_resource_db", "get_resource_db");

	ClassDB::bind_method(D_METHOD("get_entity_spawner"), &ESS::get_entity_spawner);
	ClassDB::bind_method(D_METHOD("set_entity_spawner"), &ESS::set_entity_spawner);
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "entity_spawner", PROPERTY_HINT_RESOURCE_TYPE, "ESSEntitySpawner"), "set_entity_spawner", "get_entity_spawner");

	ClassDB::bind_method(D_METHOD("get_resource_db_path"), &ESS::get_resource_db_path);
	ClassDB::bind_method(D_METHOD("set_resource_db_path", "path"), &ESS::set_resource_db_path);
	ADD_PROPERTY(PropertyInfo(Variant::STRING, "resource_db_path"), "set_resource_db_path", "get_resource_db_path");

	ClassDB::bind_method(D_METHOD("get_entity_spawner_path"), &ESS::get_entity_spawner_path);
	ClassDB::bind_method(D_METHOD("set_entity_spawner_path", "path"), &ESS::set_entity_spawner_path);
	ADD_PROPERTY(PropertyInfo(Variant::STRING, "entity_spawner_path"), "set_entity_spawner_path", "get_entity_spawner_path");

	//load
	ClassDB::bind_method(D_METHOD("load_resource_db"), &ESS::load_resource_db);
	ClassDB::bind_method(D_METHOD("load_entity_spawner"), &ESS::load_entity_spawner);

	ClassDB::bind_method(D_METHOD("load_resource", "path", "type_hint"), &ESS::load_resource, DEFVAL(""));

	ClassDB::bind_method(D_METHOD("request_entity_spawn", "info"), &ESS::request_entity_spawn);
	ClassDB::bind_method(D_METHOD("request_entity_spawn_deferred", "info"), &ESS::request_entity_spawn_deferred);

	ClassDB::bind_method(D_METHOD("load_all"), &ESS::load_all);

	ClassDB::bind_method(D_METHOD("setup", "resource_db", "entity_spawner"), &ESS::setup);
}

ESS::ESS() {
	instance = this;

	_use_spell_points = GLOBAL_DEF("ess/spells/use_spell_points", false);
	_scale_spells_by_default = GLOBAL_DEF("ess/spells/scale_spells_by_default", false);
	_allow_class_spell_learning = GLOBAL_DEF("ess/spells/allow_class_spell_learning", false);
	_allow_class_recipe_learning = GLOBAL_DEF("ess/spells/allow_class_recipe_learning", false);

	_use_class_xp = GLOBAL_DEF("ess/level/use_class_xp", false);
	_automatic_class_levelups = GLOBAL_DEF("ess/level/automatic_class_levelups", false);
	_use_global_class_level = GLOBAL_DEF("ess/level/use_global_class_level", false);

	_automatic_load = GLOBAL_DEF("ess/data/automatic_load", false);

	_ess_resource_db_path = GLOBAL_DEF("ess/data/ess_resource_db_path", "");
	_ess_entity_spawner_path = GLOBAL_DEF("ess/data/ess_entity_spawner_path", "");

	if (!Engine::get_singleton()->is_editor_hint() && _automatic_load) {
		call_deferred("load_all");
	}
}

ESS::~ESS() {
	instance = NULL;

	_ess_resource_db.unref();
	_ess_entity_spawner.unref();
}