/*************************************************************************/
/*  editor_plugin_settings.cpp                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* 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 "editor_plugin_settings.h"
#include "scene/gui/margin_container.h"
#include "io/config_file.h"
#include "os/file_access.h"
#include "os/main_loop.h"
#include "globals.h"
#include "editor_node.h"

void EditorPluginSettings::_notification(int p_what) {

	if (p_what==MainLoop::NOTIFICATION_WM_FOCUS_IN) {
		update_plugins();
	}
}

void EditorPluginSettings::update_plugins() {


	plugin_list->clear();

	DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
	Error err = da->change_dir("res://addons");
	if (err!=OK) {
		memdelete(da);
		return;
	}

	updating=true;

	TreeItem *root = plugin_list->create_item();

	da->list_dir_begin();

	String d = da->get_next();

	Vector<String> plugins;

	while(d!=String()) {

		bool dir = da->current_is_dir();
		String path = "res://addons/"+d+"/plugin.cfg";

		if (dir && FileAccess::exists(path)) {

			plugins.push_back(d);
		}

		d = da->get_next();
	}

	da->list_dir_end();
	memdelete(da);

	plugins.sort();

	Vector<String> active_plugins = GlobalConfig::get_singleton()->get("plugins/active");

	for(int i=0;i<plugins.size();i++) {

		Ref<ConfigFile> cf;
		cf.instance();
		String path = "res://addons/"+plugins[i]+"/plugin.cfg";

		Error err = cf->load(path);

		if (err!=OK) {
			WARN_PRINTS("Can't load plugin config: "+path);
		} else if (!cf->has_section_key("plugin","name")) {
			WARN_PRINTS("Plugin misses plugin/name: "+path);
		} else if (!cf->has_section_key("plugin","author")) {
			WARN_PRINTS("Plugin misses plugin/author: "+path);
		} else if (!cf->has_section_key("plugin","version")) {
			WARN_PRINTS("Plugin misses plugin/version: "+path);
		} else if (!cf->has_section_key("plugin","description")) {
			WARN_PRINTS("Plugin misses plugin/description: "+path);
		} else if (!cf->has_section_key("plugin","script")) {
			WARN_PRINTS("Plugin misses plugin/script: "+path);
		} else {

			String d = plugins[i];
			String name = cf->get_value("plugin","name");
			String author = cf->get_value("plugin","author");
			String version = cf->get_value("plugin","version");
			String description = cf->get_value("plugin","description");
			String script = cf->get_value("plugin","script");

			TreeItem *item = plugin_list->create_item(root);
			item->set_text(0,name);
			item->set_tooltip(0,"Name: "+name+"\nPath: "+path+"\nMain Script: "+script);
			item->set_metadata(0,d);
			item->set_text(1,version);
			item->set_metadata(1,script);
			item->set_text(2,author);
			item->set_metadata(2,description);
			item->set_cell_mode(3,TreeItem::CELL_MODE_RANGE);
			item->set_range_config(3,0,1,1);
			item->set_text(3,"Inactive,Active");
			item->set_editable(3,true);

			if (EditorNode::get_singleton()->is_addon_plugin_enabled(d)) {
				item->set_custom_color(3,Color(0.2,1,0.2));
				item->set_range(3,1);
			} else {
				item->set_custom_color(3,Color(1,0.2,0.2));
				item->set_range(3,0);
			}
		}

	}

	updating=false;

}


void EditorPluginSettings::_plugin_activity_changed() {

	if (updating)
		return;

	TreeItem *ti=plugin_list->get_edited();
	ERR_FAIL_COND(!ti);
	bool active = ti->get_range(3);
	String name = ti->get_metadata(0);

	EditorNode::get_singleton()->set_addon_plugin_enabled(name,active);

	bool is_active = EditorNode::get_singleton()->is_addon_plugin_enabled(name);

	if (is_active!=active) {
		updating=true;
		ti->set_range(3,is_active?1:0);
		updating=false;
	}

	if (is_active)
		ti->set_custom_color(3,Color(0.2,1,0.2));
	else
		ti->set_custom_color(3,Color(1,0.2,0.2));


}

void EditorPluginSettings::_bind_methods() {

	ClassDB::bind_method("update_plugins",&EditorPluginSettings::update_plugins);
	ClassDB::bind_method("_plugin_activity_changed",&EditorPluginSettings::_plugin_activity_changed);
}

EditorPluginSettings::EditorPluginSettings() {

	HBoxContainer *title_hb = memnew( HBoxContainer );
	title_hb->add_child(memnew( Label(TTR("Installed Plugins:"))));
	title_hb->add_spacer();
	update_list = memnew( Button(TTR("Update")) );
	update_list->connect("pressed",this,"update_plugins");
	title_hb->add_child(update_list);
	add_child(title_hb);

	plugin_list = memnew( Tree );
	plugin_list->set_v_size_flags(SIZE_EXPAND_FILL);
	plugin_list->set_columns(4);
	plugin_list->set_column_titles_visible(true);
	plugin_list->set_column_title(0,TTR("Name:"));
	plugin_list->set_column_title(1,TTR("Version:"));
	plugin_list->set_column_title(2,TTR("Author:"));
	plugin_list->set_column_title(3,TTR("Status:"));
	plugin_list->set_column_expand(0,true);
	plugin_list->set_column_expand(1,false);
	plugin_list->set_column_expand(2,false);
	plugin_list->set_column_expand(3,false);
	plugin_list->set_column_min_width(1,100);
	plugin_list->set_column_min_width(2,250);
	plugin_list->set_column_min_width(3,80);
	plugin_list->set_hide_root(true);
	plugin_list->connect("item_edited",this,"_plugin_activity_changed");


	MarginContainer *mc = memnew( MarginContainer );
	mc->add_child(plugin_list);
	mc->set_v_size_flags(SIZE_EXPAND_FILL);

	add_child(mc);

	updating=false;

}
