#ifndef PLUGIN_UI_PAGE_INTERFACE
#define PLUGIN_UI_PAGE_INTERFACE

#include "toonz_hostif.h"
#include "tfx.h"
#include "plugin_param_interface.h"
#include "plugin_param_view_interface.h"
#include "pluginhost.h"

/* 公開ヘッダからは引っ込められた都合上ここで宣言(内部ではまだ使っているので)  */
typedef void *toonz_ui_page_handle_t;

/* あるエフェクトのパラメータ画面 */
class UIPage
{
	class Group
	{
		std::string name_;
		std::vector<std::pair<std::string, ParamView *>> params_;

	public:
		Group(const std::string &name) : name_(name) {}

		Group(const Group &group) : name_(group.name_), params_(group.params_) {}

		inline const std::string &name() const
		{
			return name_;
		}

		inline void add_param(const std::string &param, ParamView *components)
		{
			params_.push_back(std::make_pair(param, components));
		}

		inline ParamsPage *build(RasterFxPluginHost *fx, ParamsPage *page)
		{
			page->beginGroup(name_.c_str());
			for (std::size_t i = 0, size = params_.size(); i < size; i++) {
				params_[i].second->build(fx, page, params_[i].first.c_str());
			}
			page->endGroup();
			return page;
		}
	};

	std::string name_;
	std::vector<Group *> groups_;

public:
	inline UIPage(const char *name) : name_(name)
	{
	}

	inline ~UIPage()
	{
		for (std::size_t i = 0, size = groups_.size(); i < size; ++i) {
			delete groups_[i];
		}
		groups_.clear();
	}

	inline int begin_group(const char *name)
	{
		groups_.push_back(NULL);
		groups_.back() = new Group(name);

		return TOONZ_OK;
	}

	inline int end_group(const char *name)
	{
		if (groups_.back()->name() != name) {
			return TOONZ_ERROR_NOT_FOUND;
		}

		return TOONZ_OK;
	}

	int bind_param(Param *param, ParamView *pt)
	{
		if (groups_.empty()) {
			return TOONZ_ERROR_PREREQUISITE;
		}

		groups_.back()->add_param(param->name(), pt);

		return TOONZ_OK;
	}

	void build(RasterFxPluginHost *fx, ParamsPageSet *pages) const
	{
		ParamsPage *page = pages->createParamsPage();
		for (std::size_t i = 0, size = groups_.size(); i < size; ++i) {
			groups_[i]->build(fx, page);
		}
		pages->addParamsPage(page, name_.c_str());
		page->setPageSpace();
	}

	UIPage *clone(TFx *fx) const
	{
		UIPage *page = new UIPage(name_.c_str());
		for (std::size_t i = 0, size = groups_.size(); i < size; ++i) {
			page->groups_.push_back(new Group(*groups_[i]));
		}
		return page;
	}
};

int begin_group(toonz_ui_page_handle_t page, const char *name);
int end_group(toonz_ui_page_handle_t page, const char *name);
int bind_param(toonz_ui_page_handle_t page, toonz_param_handle_t param, toonz_param_view_handle_t traits);

#endif