// Copyright 2015 Hajime Hoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// +build js

package ui

var currentInput input

func IsKeyPressed(key Key) bool {
	return currentInput.isKeyPressed(key)
}

func IsMouseButtonPressed(button MouseButton) bool {
	return currentInput.isMouseButtonPressed(button)
}

func CursorPosition() (x, y int) {
	return currentInput.cursorPosition()
}

func (i *input) keyDown(key int) {
	k := keyCodeToKey[key]
	i.keyPressed[k] = true
}

func (i *input) keyUp(key int) {
	k := keyCodeToKey[key]
	i.keyPressed[k] = false
}

func (i *input) mouseDown(button int) {
	p := &i.mouseButtonPressed
	switch button {
	case 0:
		p[MouseButtonLeft] = true
	case 1:
		p[MouseButtonMiddle] = true
	case 2:
		p[MouseButtonRight] = true
	}
}

func (i *input) mouseUp(button int) {
	p := &i.mouseButtonPressed
	switch button {
	case 0:
		p[MouseButtonLeft] = false
	case 1:
		p[MouseButtonMiddle] = false
	case 2:
		p[MouseButtonRight] = false
	}
}

func (i *input) mouseMove(x, y int) {
	i.cursorX, i.cursorY = x, y
}