#include "editor_bitmask_import_plugin.h"
#include "editor/editor_dir_dialog.h"
#include "editor/editor_file_dialog.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/property_editor.h"
#include "io/image_loader.h"
#include "io/marshalls.h"
#include "io/resource_saver.h"
#include "os/file_access.h"

class _EditorBitMaskImportOptions : public Object {

	OBJ_TYPE(_EditorBitMaskImportOptions, Object);

public:
	bool _set(const StringName &p_name, const Variant &p_value) {

		return false;
	}

	bool _get(const StringName &p_name, Variant &r_ret) const {

		return false;
	}

	void _get_property_list(List<PropertyInfo> *p_list) const {
	}

	static void _bind_methods() {

		ADD_SIGNAL(MethodInfo("changed"));
	}

	_EditorBitMaskImportOptions() {
	}
};

class EditorBitMaskImportDialog : public ConfirmationDialog {

	OBJ_TYPE(EditorBitMaskImportDialog, ConfirmationDialog);

	EditorBitMaskImportPlugin *plugin;

	LineEdit *import_path;
	LineEdit *save_path;
	EditorFileDialog *file_select;
	EditorDirDialog *save_select;
	ConfirmationDialog *error_dialog;
	PropertyEditor *option_editor;

public:
	void _choose_files(const Vector<String> &p_path) {

		String files;
		for (int i = 0; i < p_path.size(); i++) {

			if (i > 0)
				files += ",";
			files += p_path[i];
		}

		import_path->set_text(files);
	}
	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_path) {

		popup_centered(Size2(400, 100) * EDSCALE);
		if (p_path != "") {

			Ref<ResourceImportMetadata> rimd = ResourceLoader::load_import_metadata(p_path);
			ERR_FAIL_COND(!rimd.is_valid());

			save_path->set_text(p_path.get_base_dir());

			String src = "";
			for (int i = 0; i < rimd->get_source_count(); i++) {
				if (i > 0)
					src += ",";
				src += EditorImportPlugin::expand_source_path(rimd->get_source_path(i));
			}
			import_path->set_text(src);
		}
	}

	void _import() {

		Vector<String> bitmasks = import_path->get_text().split(",");

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

		if (save_path->get_text().strip_edges() == "") {
			error_dialog->set_text(TTR("Target path is empty."));
			error_dialog->popup_centered_minsize();
			return;
		}

		if (!save_path->get_text().begins_with("res://")) {
			error_dialog->set_text(TTR("Target path must be a complete resource path."));
			error_dialog->popup_centered_minsize();
			return;
		}

		if (!DirAccess::exists(save_path->get_text())) {
			error_dialog->set_text(TTR("Target path must exist."));
			error_dialog->popup_centered_minsize();
			return;
		}

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

			Ref<ResourceImportMetadata> imd = memnew(ResourceImportMetadata);

			imd->add_source(EditorImportPlugin::validate_source_path(bitmasks[i]));

			String dst = save_path->get_text();
			if (dst == "") {
				error_dialog->set_text(TTR("Save path is empty!"));
				error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
			}

			dst = dst.plus_file(bitmasks[i].get_file().basename() + ".pbm");

			Error err = plugin->import(dst, imd);
		}

		hide();
	}

	void _notification(int p_what) {
	}

	static void _bind_methods() {

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

	EditorBitMaskImportDialog(EditorBitMaskImportPlugin *p_plugin) {

		plugin = p_plugin;

		set_title(TTR("Import BitMasks"));

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

		HBoxContainer *hbc = memnew(HBoxContainer);
		vbc->add_margin_child(TTR("Source Texture(s):"), hbc);

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

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

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

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

		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");

		file_select = memnew(EditorFileDialog);
		file_select->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
		add_child(file_select);
		file_select->set_mode(EditorFileDialog::MODE_OPEN_FILES);
		file_select->connect("files_selected", this, "_choose_files");

		List<String> extensions;
		ImageLoader::get_recognized_extensions(&extensions);
		file_select->clear_filters();
		for (int i = 0; i < extensions.size(); i++) {

			file_select->add_filter("*." + extensions[i] + " ; " + extensions[i].to_upper());
		}

		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);
	}

	~EditorBitMaskImportDialog() {
	}
};

String EditorBitMaskImportPlugin::get_name() const {

	return "bitmask";
}
String EditorBitMaskImportPlugin::get_visible_name() const {

	return TTR("Bit Mask");
}
void EditorBitMaskImportPlugin::import_dialog(const String &p_from) {

	dialog->popup_import(p_from);
}
Error EditorBitMaskImportPlugin::import(const String &p_path, const Ref<ResourceImportMetadata> &p_from) {

	ERR_FAIL_COND_V(p_from->get_source_count() != 1, ERR_INVALID_PARAMETER);

	Ref<ResourceImportMetadata> from = p_from;

	String src_path = EditorImportPlugin::expand_source_path(from->get_source_path(0));
	Ref<ImageTexture> it = ResourceLoader::load(src_path);
	ERR_FAIL_COND_V(it.is_null(), ERR_CANT_OPEN);

	Ref<BitMap> target = memnew(BitMap);
	target->create_from_image_alpha(it.ptr()->get_data());

	from->set_source_md5(0, FileAccess::get_md5(src_path));
	from->set_editor(get_name());
	target->set_import_metadata(from);

	Error err = ResourceSaver::save(p_path, target);

	return err;
}

EditorBitMaskImportPlugin *EditorBitMaskImportPlugin::singleton = NULL;

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

	Vector<String> files;

	List<String> valid_extensions;
	ImageLoader::get_recognized_extensions(&valid_extensions);
	for (int i = 0; i < p_drop.size(); i++) {

		String extension = p_drop[i].extension().to_lower();

		for (List<String>::Element *E = valid_extensions.front(); E; E = E->next()) {

			if (E->get() == extension) {
				files.push_back(p_drop[i]);
				break;
			}
		}
	}

	if (files.size()) {
		import_dialog();
		dialog->_choose_files(files);
		dialog->_choose_save_dir(p_dest_path);
	}
}

void EditorBitMaskImportPlugin::reimport_multiple_files(const Vector<String> &p_list) {

	if (p_list.size() == 0)
		return;

	Vector<String> sources;
	for (int i = 0; i < p_list.size(); i++) {
		int idx;
		EditorFileSystemDirectory *efsd = EditorFileSystem::get_singleton()->find_file(p_list[i], &idx);
		if (efsd) {
			for (int j = 0; j < efsd->get_source_count(idx); j++) {
				String file = expand_source_path(efsd->get_source_file(idx, j));
				if (sources.find(file) == -1) {
					sources.push_back(file);
				}
			}
		}
	}

	if (sources.size()) {

		dialog->popup_import(p_list[0]);
		dialog->_choose_files(sources);
		dialog->_choose_save_dir(p_list[0].get_base_dir());
	}
}

bool EditorBitMaskImportPlugin::can_reimport_multiple_files() const {

	return true;
}

EditorBitMaskImportPlugin::EditorBitMaskImportPlugin(EditorNode *p_editor) {

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

EditorBitMaskExportPlugin::EditorBitMaskExportPlugin() {
}