#include "syl_generic.h"
#include "interp.h"
#include "debugmacros.h"
#include <gui/window.h>
#include "syl_window.h"

datum * get_callback(datum * handler_dict, char * name, worker_instance * instance)
{
	queue_entry entry;
	datum * params[2];
	params[0] = add_ref( handler_dict );
	params[1] = make_string(name, -1, instance->def->prog);
	entry.instance = instance;
	vis_dict_index(params, &entry);
	if(params[1])
		release_ref(params[1]);
	return params[0];
}

void GenericView::SetCallbacks()
{
	this->paint_worker = get_callback(this->handler_dict, "draw", instance);
	this->mousemove_worker = get_callback(this->handler_dict, "mousemove", instance);
	this->mousedown_worker = get_callback(this->handler_dict, "mousedown", instance);
	this->mouseup_worker = get_callback(this->handler_dict, "mouseup", instance);
}

void GenericView::ResetCallbacks()
{
	release_ref(this->paint_worker);
	release_ref(this->mousemove_worker);
	release_ref(this->mousedown_worker);
	release_ref(this->mouseup_worker);
	SetCallbacks();
}

GenericView::GenericView(const os::Rect& cFrame, const os::String& cTitle, datum * widget_datum, worker_instance * instance) : os::View(cFrame, cTitle/*, os::CF_FOLLOW_LEFT | os::CF_FOLLOW_TOP, os::WID_WILL_DRAW | os::WID_CLEAR_BACKGROUND | os::WID_TRANSPARENT*/)
{
	datum * handler_dict;
	this->widget_datum = widget_datum;
	this->instance = instance;
	this->handler_dict = ((vis_widget *)(widget_datum->c.generic.data))->handler_dict;
	SetCallbacks();
}

void GenericView::DoCallback(datum * worker, const os::Rect& rect, datum ** extra_params, int num_extra)
{
	queue_entry entry;
	generic_view_datum * view;
	entry.instance = this->instance;
	datum * params[32];
	datum * list;
	DEBUGPRINTF("program: %X\n", this->instance->def->prog);
	params[0] = create_list(this->instance->def->prog);
	params[1] = new_datum(BUILTIN_TYPE_SCREEN_CUSTOM, 1, sizeof(generic_view_datum), this->instance->def->prog);
	DEBUGPUTS("Datum created\n");
	DEBUGPRINTF("screen custom widget company name: %s\n", params[1]->company->name);
	view = (generic_view_datum *)(params[1]->c.generic.data);
	view->view = this;
	view->update_rect = rect;
	vis_list_append(params, &entry);
	for(int i = 0; i < num_extra; ++i)
	{
		params[1] = extra_params[i];
		vis_list_append(params, &entry);
	}
	list = params[0];
	worker_populate_inputs(worker, list, params);
	release_ref(list);
	DEBUGPUTS("Calling execute_def_wait\n");
	execute_def_wait(((worker_datum *)(worker->c.generic.data))->def, params);
}
void GenericView::Paint(const os::Rect& cUpdateRect)
{
	//DEBUGPUTS("GenericView::Paint\n");
	//queue_entry entry;
	//generic_view_datum * view;
	if(this->paint_worker)
	{
		DoCallback(this->paint_worker, cUpdateRect, NULL, 0);
		/*entry.instance = this->instance;
		datum * params[32];
		datum * list;
		DEBUGPRINTF("program: %X\n", this->instance->def->prog);
		params[0] = create_list(this->instance->def->prog);
		params[1] = new_datum(BUILTIN_TYPE_SCREEN_CUSTOM, 1, sizeof(generic_view_datum), this->instance->def->prog);
		DEBUGPUTS("Datum created\n");
		DEBUGPRINTF("screen custom widget company name: %s\n", params[1]->company->name);
		view = (generic_view_datum *)(params[1]->c.generic.data);
		view->view = this;
		view->update_rect = cUpdateRect;
		vis_list_append(params, &entry);
		list = params[0];
		worker_populate_inputs(this->paint_worker, list, params);
		release_ref(list);
		DEBUGPUTS("Calling execute_def_wait\n");
		execute_def_wait(((worker_datum *)(this->paint_worker->c.generic.data))->def, params);
		//params[0] = add_ref(this->paint_worker);
		//if(vis_worker_do(params, &entry) == 0)
		//	release_ref(params[0]);*/
	}
	else
		os::View::Paint(cUpdateRect);
}

void GenericView::DefaultPaint(const os::Rect& cUpdateRect)
{
	os::View::Paint(cUpdateRect);
}

void GenericView::MouseMove( const os::Point& newPos, int code, uint32 buttons, os::Message* msg)
{
	datum * params[2];
	if(this->mousemove_worker)
	{
		params[0] = new_datum(BUILTIN_TYPE_REAL, 3, 0, this->instance->def->prog);
		params[0]->c.real = newPos.x;
		params[1] = new_datum(BUILTIN_TYPE_REAL, 3, 0, this->instance->def->prog);
		params[1]->c.real = newPos.y;
		DoCallback(this->mousemove_worker, os::Rect(0,0,0,0), params, 2);
	}
}

void GenericView::MouseDown( const os::Point& pos, uint32 buttons)
{
	datum * params[3];
	if(this->mousedown_worker)
	{
		DEBUGPRINTF("Mouse down worker: %X\n", this->mousedown_worker);
		params[0] = new_datum(BUILTIN_TYPE_REAL, 3, 0, this->instance->def->prog);
		params[0]->c.real = pos.x;
		params[1] = new_datum(BUILTIN_TYPE_REAL, 3, 0, this->instance->def->prog);
		params[1]->c.real = pos.y;
		params[2] = new_datum(BUILTIN_TYPE_WHOLE, 2, 0, this->instance->def->prog);
		params[2]->c.integers.num_a = buttons;
		DoCallback(this->mousedown_worker, os::Rect(0,0,0,0), params, 3);
	}
}

void GenericView::MouseUp( const os::Point& pos, uint32 buttons, os::Message* msg)
{
	datum * params[3];
	if(this->mouseup_worker)
	{
		params[0] = new_datum(BUILTIN_TYPE_REAL, 3, 0, this->instance->def->prog);
		params[0]->c.real = pos.x;
		params[1] = new_datum(BUILTIN_TYPE_REAL, 3, 0, this->instance->def->prog);
		params[1]->c.real = pos.y;
		params[2] = new_datum(BUILTIN_TYPE_WHOLE, 2, 0, this->instance->def->prog);
		params[2]->c.integers.num_a = buttons;
		DoCallback(this->mouseup_worker, os::Rect(0,0,0,0), params, 3);
	}
}
/*
void GenericView::MakeFocus(bool give_focus)
{
	os_window * parent_wind = (os_window *)GetWindow();
	if(parent_wind)
		if(give_focus)
			parent_wind->SetFocusNoHandler(this)
		else if(parent_wind->GetFocusChild() == this)
			parent_wind->SetFocusNoHandler(NULL);
}
*/
extern "C"
{
	
int vis_screen_custom_defaultpaint(datum ** params, queue_entry * entry)
{
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	DEBUGPUTS("Calling Genericview::DefaultPaint\n");
	view->view->DefaultPaint(view->update_rect);
	DEBUGPUTS("Genericview::DefaultPaint returned\n");
	return 0;
}

int vis_screen_custom_drawline(datum ** params, queue_entry * entry)
{
	DEBUGPRINTF("Draw line from %f,%f to %f,%f\n", params[1]->c.real,params[2]->c.real, params[3]->c.real,params[4]->c.real);
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	view->view->DrawLine(os::Point(params[1]->c.real,params[2]->c.real), os::Point(params[3]->c.real,params[4]->c.real));
	DEBUGPUTS("finished calling DrawLine()\n");
	release_ref(params[1]);
	release_ref(params[2]);
	release_ref(params[3]);
	release_ref(params[4]);
	return 0;
}

int vis_screen_custom_drawstring(datum ** params, queue_entry * entry)
{
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	view->view->DrawString(os::Point(params[2]->c.real, params[3]->c.real), ((char *)(params[1]->c.generic.data)));
	release_ref(params[1]);
	release_ref(params[2]);
	release_ref(params[3]);
	return 0;
}

int vis_screen_custom_setdrawcolor(datum ** params, queue_entry * entry)
{
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	view->view->SetFgColor(params[1]->c.integers.num_a, params[2]->c.integers.num_a, params[3]->c.integers.num_a, params[4]->c.integers.num_a);
	release_ref(params[1]);
	release_ref(params[2]);
	release_ref(params[3]);
	release_ref(params[4]);
	return 0;
}

int vis_screen_custom_moveby(datum ** params, queue_entry * entry)
{
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	view->view->MoveBy(os::Point(params[1]->c.real, params[2]->c.real));
	view->view->Flush();
	release_ref(params[1]);
	release_ref(params[2]);
	return 0;
}

int vis_screen_custom_sethandler(datum ** params, queue_entry * entry)
{
	datum * screen_datum;
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	screen_datum = params[0];
	params[0] = view->view->handler_dict;
	vis_dict_set(params, entry);
	view->view->handler_dict = params[0];
	params[0] = screen_datum;
	view->view->ResetCallbacks();
	return 0;
}

int vis_screen_custom_removehandler(datum ** params, queue_entry * entry)
{
	datum * screen_datum;
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	screen_datum = params[0];
	params[0] = view->view->handler_dict;
	vis_dict_remove(params, entry);
	view->view->handler_dict = params[0];
	params[0] = screen_datum;
	view->view->ResetCallbacks();
	return 0;
}

int vis_screen_custom_givefocus(datum ** params, queue_entry * entry)
{
	os::Window * wind;
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	wind = view->view->GetWindow();
	if(wind)
		wind->Unlock();
	view->view->MakeFocus(params[1]->c.integers.num_a);
	if(wind)
		wind->Lock();
	release_ref(params[1]);
	return 0;
}

int vis_screen_custom_addwidget(datum ** params, queue_entry * entry)
{
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	os_window * wind = (os_window *)(view->view->GetWindow());
	//printf("Locking window: %X\n", wind);
	wind->Unlock();
	puts("Adding widget");
	add_widget_shared((vis_window_shown *)(wind->vis_wind->c.generic.data), params[2], (char *)(params[1]->c.generic.data), params[3]->c.real, params[4]->c.real, entry, view->view);
	puts("Unlocking window");
	wind->Lock();
	puts("Releasing refs");
	release_ref(params[1]);
	release_ref(params[2]);
	release_ref(params[3]);
	release_ref(params[4]);
	return 0;
}

int vis_screen_custom_getwindow(datum ** params, queue_entry * entry)
{
	generic_view_datum * view = (generic_view_datum *)(params[0]->c.generic.data);
	os_window * wind = (os_window *)(view->view->GetWindow());
	release_ref(params[0]);
	params[0] = add_ref(wind->vis_wind);
	return 0;
}

}