#include "xna/xna-dx.hpp"
#include "xna/input/gamepad.hpp"

namespace xna {
	void GamePad::Initialize() {
		impl = unew<PlatformImplementation>();	
	}

	GamePadState GamePad::GetState(PlayerIndex index) {
		if (!impl || !impl->_dxGamePad)
			return GamePadState();

		const auto state = impl->_dxGamePad->GetState(
			static_cast<int>(index)
		);

		const auto buttons = GamePadButtons(
			static_cast<ButtonState>(state.buttons.a),
			static_cast<ButtonState>(state.buttons.b),
			static_cast<ButtonState>(state.buttons.x),
			static_cast<ButtonState>(state.buttons.y),
			static_cast<ButtonState>(state.buttons.leftStick),
			static_cast<ButtonState>(state.buttons.rightStick),
			static_cast<ButtonState>(state.buttons.leftShoulder),
			static_cast<ButtonState>(state.buttons.rightShoulder),
			static_cast<ButtonState>(state.buttons.back),
			static_cast<ButtonState>(state.buttons.start),
			static_cast<ButtonState>(state.buttons.view));

		const auto dpad = GamePadDPad(
			static_cast<ButtonState>(state.dpad.up),
			static_cast<ButtonState>(state.dpad.right),
			static_cast<ButtonState>(state.dpad.down),
			static_cast<ButtonState>(state.dpad.left));

		const auto isConnected = state.connected;

		const auto thumbSticks = GamePadThumbSticks(
			Vector2(state.thumbSticks.leftX, state.thumbSticks.leftY),
			Vector2(state.thumbSticks.rightX, state.thumbSticks.rightY));
		const auto triggers = GamePadTriggers(state.triggers.left, state.triggers.right);

		const auto pad = GamePadState(thumbSticks, triggers, buttons, dpad, isConnected);
		return pad;
	}

	GamePadState GamePad::GetState(PlayerIndex index, GamePadDeadZone deadZone) {
		if (!impl || !impl->_dxGamePad)
			return GamePadState();

		const auto state = impl->_dxGamePad->GetState(
			static_cast<int>(index),
			static_cast<DirectX::GamePad::DeadZone>(deadZone)
		);
		
		const auto buttons = GamePadButtons(
			static_cast<ButtonState>(state.buttons.a),
			static_cast<ButtonState>(state.buttons.b),
			static_cast<ButtonState>(state.buttons.x),
			static_cast<ButtonState>(state.buttons.y),
			static_cast<ButtonState>(state.buttons.leftStick),
			static_cast<ButtonState>(state.buttons.rightStick),
			static_cast<ButtonState>(state.buttons.leftShoulder),
			static_cast<ButtonState>(state.buttons.rightShoulder),
			static_cast<ButtonState>(state.buttons.back),
			static_cast<ButtonState>(state.buttons.start),
			static_cast<ButtonState>(state.buttons.view));

		const auto dpad = GamePadDPad(
			static_cast<ButtonState>(state.dpad.up),
			static_cast<ButtonState>(state.dpad.right),
			static_cast<ButtonState>(state.dpad.down),
			static_cast<ButtonState>(state.dpad.left));

		const auto isConnected = state.connected;
		
		const auto thumbSticks = GamePadThumbSticks(
			Vector2(state.thumbSticks.leftX, state.thumbSticks.leftY),
			Vector2(state.thumbSticks.rightX, state.thumbSticks.rightY));
		 const auto triggers = GamePadTriggers(state.triggers.left, state.triggers.right);

		 const auto pad = GamePadState(thumbSticks, triggers, buttons, dpad, isConnected);
		return pad;
	}

	GamePadCapabilities GamePad::GetCapabilities(PlayerIndex index) {
		if (!impl || !impl->_dxGamePad)
			return GamePadCapabilities();

		const auto capabilities = impl->_dxGamePad->GetCapabilities(static_cast<int>(index));
		const auto gamePadType = static_cast<GamePadCapabilitiesType>(capabilities.gamepadType);
		const auto cap = GamePadCapabilities(
			capabilities.connected,
			gamePadType);
		
		return cap;
	}

	bool GamePad::SetVibration(PlayerIndex index, float leftMotor, float rightMotor, float leftTrigger, float rightTrigger) {
		if (!impl || !impl->_dxGamePad)
			return false;

		return impl->_dxGamePad->SetVibration(static_cast<int>(index), leftMotor, rightMotor, leftTrigger, rightTrigger);
	}
}