#include "InformationMessage.h"

#include "gui/Style.h"
#include "gui/interface/Button.h"
#include "gui/interface/Engine.h"
#include "gui/interface/Label.h"
#include "gui/interface/ScrollPanel.h"

#include "graphics/Graphics.h"

InformationMessage::InformationMessage(String title, String message, bool large, DismissCallback callback_):
	ui::Window(ui::Point(-1, -1), ui::Point(200, 35)),
	callback(callback_)
{
	if (large) //Maybe also use this large mode for changelogs eventually, or have it as a customizable size?
	{
		Size.X += 200;
		Size.Y += 215;
	}

	if (large)
	{
		ui::ScrollPanel *messagePanel = new ui::ScrollPanel(ui::Point(4, 24), ui::Point(Size.X-8, 206));
		AddComponent(messagePanel);

		ui::Label * messageLabel = new ui::Label(ui::Point(4, 0), ui::Point(Size.X-28, -1), message);
		messageLabel->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
		messageLabel->Appearance.VerticalAlign = ui::Appearance::AlignTop;
		messageLabel->SetMultiline(true);
		messagePanel->AddChild(messageLabel);

		messagePanel->InnerSize = ui::Point(messagePanel->Size.X, messageLabel->Size.Y+4);
	}
	else
	{
		ui::ScrollPanel *messagePanel = new ui::ScrollPanel(ui::Point(4, 24), ui::Point(Size.X-8, 206));
		AddComponent(messagePanel);

		ui::Label * messageLabel = new ui::Label(ui::Point(4, 0), ui::Point(Size.X-8, -1), message);
		messageLabel->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
		messageLabel->Appearance.VerticalAlign = ui::Appearance::AlignTop;
		messageLabel->SetMultiline(true);
		messagePanel->AddChild(messageLabel);

		messagePanel->InnerSize = ui::Point(messagePanel->Size.X, messageLabel->Size.Y+4);

		if (messageLabel->Size.Y < messagePanel->Size.Y)
			messagePanel->Size.Y = messageLabel->Size.Y+4;
		Size.Y += messagePanel->Size.Y+12;
		Position.Y = (GetGraphics()->Size().Y - Size.Y) / 2;
	}

	ui::Label * titleLabel = new ui::Label(ui::Point(4, 5), ui::Point(Size.X-8, 16), title);
	titleLabel->SetTextColour(style::Colour::InformationTitle);
	titleLabel->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
	titleLabel->Appearance.VerticalAlign = ui::Appearance::AlignMiddle;
	AddComponent(titleLabel);

	ui::Button * okayButton = new ui::Button(ui::Point(0, Size.Y-16), ui::Point(Size.X, 16), "Dismiss");
	okayButton->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
	okayButton->Appearance.VerticalAlign = ui::Appearance::AlignMiddle;
	okayButton->Appearance.BorderInactive = ui::Colour(200, 200, 200);
	okayButton->SetActionCallback({ [this] {
		CloseActiveWindow();
		if (callback.dismiss)
			callback.dismiss();
		SelfDestruct(); //TODO: Fix component disposal
	} });
	AddComponent(okayButton);
	SetOkayButton(okayButton);
	SetCancelButton(okayButton);

	MakeActiveWindow();
}

void InformationMessage::OnDraw()
{
	Graphics * g = GetGraphics();

	g->DrawFilledRect(RectSized(Position - Vec2{ 1, 1 }, Size + Vec2{ 2, 2 }), 0x000000_rgb);
	g->DrawRect(RectSized(Position, Size), 0xC8C8C8_rgb);
}
