/*************************************************************************/
/*  editor_translation_import_plugin.cpp                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 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:                                             */
/*                                                                       */
/* 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_translation_import_plugin.h"
#include "compressed_translation.h"
#include "editor/editor_dir_dialog.h"
#include "editor/editor_node.h"
#include "editor/project_settings.h"
#include "editor/property_editor.h"
#include "io/resource_saver.h"
#include "os/file_access.h"
#include "scene/gui/file_dialog.h"
#include "scene/resources/sample.h"
#include "translation.h"

class EditorTranslationImportDialog : public ConfirmationDialog {

	OBJ_TYPE(EditorTranslationImportDialog, ConfirmationDialog);

	EditorTranslationImportPlugin *plugin;

	LineEdit *import_path;
	LineEdit *save_path;
	EditorFileDialog *file_select;
	CheckButton *ignore_first;
	CheckButton *compress;
	CheckButton *add_to_project;
	EditorDirDialog *save_select;
	ConfirmationDialog *error_dialog;
	Vector<TreeItem *> items;
	Tree *columns;

public:
	void _choose_file(const String &p_path) {

		import_path->set_text(p_path);
		FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
		if (!f) {

			error_dialog->set_text(TTR("Invalid source!"));
			error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
			return;
		}

		Vector<String> csvh = f->get_csv_line();
		memdelete(f);

		if (csvh.size() < 2) {

			error_dialog->set_text(TTR("Invalid translation source!"));
			error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
			return;
		}

		columns->clear();
		columns->set_columns(2);
		TreeItem *root = columns->create_item();
		columns->set_hide_root(true);
		columns->set_column_titles_visible(true);
		columns->set_column_title(0, TTR("Column"));
		columns->set_column_title(1, TTR("Language"));
		Vector<String> langs = TranslationServer::get_all_locales();
		Vector<String> names = TranslationServer::get_all_locale_names();
		if (csvh[0] == "")
			ignore_first->set_pressed(true);

		items.clear();

		for (int i = 1; i < csvh.size(); i++) {

			TreeItem *ti = columns->create_item(root);

			ti->set_editable(0, true);
			ti->set_selectable(0, false);
			ti->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
			ti->set_checked(0, true);
			ti->set_text(0, itos(i));
			items.push_back(ti);

			String lname = csvh[i].to_lower().strip_edges();
			int idx = -1;
			String hint;
			for (int j = 0; j < langs.size(); j++) {

				if (langs[j] == lname.substr(0, langs[j].length()).to_lower()) {
					idx = j;
				}
				if (j > 0) {
					hint += ",";
				}
				hint += names[j].replace(",", " ");
			}

			ti->set_cell_mode(1, TreeItem::CELL_MODE_RANGE);
			ti->set_text(1, hint);
			ti->set_editable(1, true);

			if (idx != -1) {
				ignore_first->set_pressed(true);
				ti->set_range(1, idx);
			} else {

				//not found, maybe used stupid name
				if (lname.begins_with("br")) //brazilian
					ti->set_range(1, langs.find("pt"));
				else if (lname.begins_with("ch")) //chinese
					ti->set_range(1, langs.find("zh"));
				else if (lname.begins_with("sp")) //spanish
					ti->set_range(1, langs.find("es"));
				else if (lname.begins_with("kr")) // kprean
					ti->set_range(1, langs.find("ko"));
				else if (i == 0)
					ti->set_range(1, langs.find("en"));
				else
					ti->set_range(1, langs.find("es"));
			}

			ti->set_metadata(1, names[ti->get_range(1)]);
		}
	}
	void _choose_save_dir(const String &p_path) {

		save_path->set_text(p_path);
	}

	void _browse() {

		file_select->popup_centered_ratio();
	}

	void _browse_target() {

		save_select->popup_centered_ratio();
	}

	void popup_import(const String &p_from) {

		popup_centered(Size2(400, 400) * EDSCALE);

		if (p_from != "") {

			Ref<ResourceImportMetadata> rimd = ResourceLoader::load_import_metadata(p_from);
			ERR_FAIL_COND(!rimd.is_valid());
			ERR_FAIL_COND(rimd->get_source_count() != 1);
			_choose_file(EditorImportPlugin::expand_source_path(rimd->get_source_path(0)));
			_choose_save_dir(p_from.get_base_dir());
			String locale = rimd->get_option("locale");
			bool skip_first = rimd->get_option("skip_first");
			bool compressed = rimd->get_option("compress");

			int idx = -1;

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

				String il = TranslationServer::get_all_locales()[items[i]->get_range(1)];
				if (il == locale) {
					idx = i;
					break;
				}
			}

			if (idx != -1) {
				idx = rimd->get_option("index");
			}

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

				if (i == idx) {

					Vector<String> locs = TranslationServer::get_all_locales();
					for (int j = 0; j < locs.size(); j++) {
						if (locs[j] == locale) {
							items[i]->set_range(1, j);
						}
					}
					items[i]->set_checked(0, true);
				} else {
					items[i]->set_checked(0, false);
				}
			}

			ignore_first->set_pressed(skip_first);
			compress->set_pressed(compressed);
		}
	}

	void _import() {

		if (items.size() == 0) {
			error_dialog->set_text(TTR("No items to import!"));
			error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
		}

		if (!save_path->get_text().begins_with("res://")) {
			error_dialog->set_text(TTR("No target path!"));
			error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
		}

		EditorProgress progress("import_xl", TTR("Import Translations"), items.size());
		for (int i = 0; i < items.size(); i++) {

			progress.step(items[i]->get_metadata(1), i);
			if (!items[i]->is_checked(0))
				continue;

			String locale = TranslationServer::get_all_locales()[items[i]->get_range(1)];
			Ref<ResourceImportMetadata> imd = memnew(ResourceImportMetadata);
			imd->add_source(EditorImportPlugin::validate_source_path(import_path->get_text()));
			imd->set_option("locale", locale);
			imd->set_option("index", i);
			imd->set_option("skip_first", ignore_first->is_pressed());
			imd->set_option("compress", compress->is_pressed());

			String savefile = save_path->get_text().plus_file(import_path->get_text().get_file().basename() + "." + locale + ".xl");
			Error err = plugin->import(savefile, imd);
			if (err != OK) {
				error_dialog->set_text(TTR("Couldn't import!"));
				error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
			} else if (add_to_project->is_pressed()) {

				ProjectSettings::get_singleton()->add_translation(savefile);
			}
		}
		hide();
	}

	void _notification(int p_what) {

		if (p_what == NOTIFICATION_ENTER_TREE) {
		}
	}

	static void _bind_methods() {

		ObjectTypeDB::bind_method("_choose_file", &EditorTranslationImportDialog::_choose_file);
		ObjectTypeDB::bind_method("_choose_save_dir", &EditorTranslationImportDialog::_choose_save_dir);
		ObjectTypeDB::bind_method("_import", &EditorTranslationImportDialog::_import);
		ObjectTypeDB::bind_method("_browse", &EditorTranslationImportDialog::_browse);
		ObjectTypeDB::bind_method("_browse_target", &EditorTranslationImportDialog::_browse_target);
		//	ADD_SIGNAL( MethodInfo("imported",PropertyInfo(Variant::OBJECT,"scene")) );
	}

	EditorTranslationImportDialog(EditorTranslationImportPlugin *p_plugin) {

		plugin = p_plugin;

		set_title(TTR("Import Translation"));

		VBoxContainer *vbc = memnew(VBoxContainer);
		add_child(vbc);
		set_child_rect(vbc);

		VBoxContainer *csvb = memnew(VBoxContainer);

		HBoxContainer *hbc = memnew(HBoxContainer);
		csvb->add_child(hbc);
		vbc->add_margin_child(TTR("Source CSV:"), csvb);

		import_path = memnew(LineEdit);
		import_path->set_h_size_flags(SIZE_EXPAND_FILL);
		hbc->add_child(import_path);
		ignore_first = memnew(CheckButton);
		ignore_first->set_text(TTR("Ignore First Row"));
		csvb->add_child(ignore_first);

		Button *import_choose = memnew(Button);
		import_choose->set_text(" .. ");
		hbc->add_child(import_choose);

		import_choose->connect("pressed", this, "_browse");

		VBoxContainer *tcomp = memnew(VBoxContainer);
		hbc = memnew(HBoxContainer);
		tcomp->add_child(hbc);
		vbc->add_margin_child(TTR("Target Path:"), tcomp);

		save_path = memnew(LineEdit);
		save_path->set_h_size_flags(SIZE_EXPAND_FILL);
		hbc->add_child(save_path);

		Button *save_choose = memnew(Button);
		save_choose->set_text(" .. ");
		hbc->add_child(save_choose);

		save_choose->connect("pressed", this, "_browse_target");

		compress = memnew(CheckButton);
		compress->set_pressed(true);
		compress->set_text(TTR("Compress"));
		tcomp->add_child(compress);

		add_to_project = memnew(CheckButton);
		add_to_project->set_pressed(true);
		add_to_project->set_text(TTR("Add to Project (engine.cfg)"));
		tcomp->add_child(add_to_project);

		file_select = memnew(EditorFileDialog);
		file_select->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
		add_child(file_select);
		file_select->set_mode(EditorFileDialog::MODE_OPEN_FILE);
		file_select->connect("file_selected", this, "_choose_file");
		file_select->add_filter("*.csv ; Translation CSV");
		save_select = memnew(EditorDirDialog);
		add_child(save_select);

		//	save_select->set_mode(EditorFileDialog::MODE_OPEN_DIR);
		save_select->connect("dir_selected", this, "_choose_save_dir");

		get_ok()->connect("pressed", this, "_import");
		get_ok()->set_text(TTR("Import"));

		error_dialog = memnew(ConfirmationDialog);
		add_child(error_dialog);
		error_dialog->get_ok()->set_text(TTR("Accept"));
		//	error_dialog->get_cancel()->hide();

		set_hide_on_ok(false);

		columns = memnew(Tree);
		vbc->add_margin_child(TTR("Import Languages:"), columns, true);
	}

	~EditorTranslationImportDialog() {
	}
};

String EditorTranslationImportPlugin::get_name() const {

	return "translation";
}
String EditorTranslationImportPlugin::get_visible_name() const {

	return TTR("Translation");
}
void EditorTranslationImportPlugin::import_dialog(const String &p_from) {

	dialog->popup_import(p_from);
}

void EditorTranslationImportPlugin::import_from_drop(const Vector<String> &p_drop, const String &p_dest_path) {

	for (int i = 0; i < p_drop.size(); i++) {
		String ext = p_drop[i].extension().to_lower();

		if (ext == "csv") {

			import_dialog();
			dialog->_choose_file(p_drop[i]);
			dialog->_choose_save_dir(p_dest_path);
			break;
		}
	}
}

Error EditorTranslationImportPlugin::import(const String &p_path, const Ref<ResourceImportMetadata> &p_from) {

	Ref<ResourceImportMetadata> from = p_from;
	ERR_FAIL_COND_V(from->get_source_count() != 1, ERR_INVALID_PARAMETER);

	String source = EditorImportPlugin::expand_source_path(from->get_source_path(0));

	FileAccessRef f = FileAccess::open(source, FileAccess::READ);

	ERR_FAIL_COND_V(!f, ERR_INVALID_PARAMETER);

	bool skip_first = from->get_option("skip_first");
	int index = from->get_option("index");
	index += 1;
	String locale = from->get_option("locale");

	Ref<Translation> translation = memnew(Translation);

	translation->set_locale(locale);

	Vector<String> line = f->get_csv_line();

	while (line.size() > 1) {

		if (!skip_first) {
			ERR_FAIL_INDEX_V(index, line.size(), ERR_INVALID_DATA);
			translation->add_message(line[0].strip_edges(), line[index]);

		} else {

			skip_first = false;
		}

		line = f->get_csv_line();
	}

	from->set_source_md5(0, FileAccess::get_md5(source));
	from->set_editor(get_name());

	String dst_path = p_path;

	if (from->get_option("compress")) {

		Ref<PHashTranslation> cxl = memnew(PHashTranslation);
		cxl->generate(translation);
		translation = cxl;
	}

	translation->set_import_metadata(from);
	return ResourceSaver::save(dst_path, translation);
}

EditorTranslationImportPlugin::EditorTranslationImportPlugin(EditorNode *p_editor) {

	dialog = memnew(EditorTranslationImportDialog(this));
	p_editor->get_gui_base()->add_child(dialog);
}