<?php
// Copyright 2004-present Facebook. All Rights Reserved.
//
// 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.

namespace Facebook\WebDriver\Remote;

use Facebook\WebDriver\Interactions\Internal\WebDriverCoordinates;
use Facebook\WebDriver\WebDriverMouse;

/**
 * Execute mouse commands for RemoteWebDriver.
 */
class RemoteMouse implements WebDriverMouse
{
    /**
     * @var RemoteExecuteMethod
     */
    private $executor;

    /**
     * @param RemoteExecuteMethod $executor
     */
    public function __construct(RemoteExecuteMethod $executor)
    {
        $this->executor = $executor;
    }

    /**
     * @param null|WebDriverCoordinates $where
     *
     * @return RemoteMouse
     */
    public function click(WebDriverCoordinates $where = null)
    {
        $this->moveIfNeeded($where);
        $this->executor->execute(DriverCommand::CLICK, [
            'button' => 0,
        ]);

        return $this;
    }

    /**
     * @param WebDriverCoordinates $where
     *
     * @return RemoteMouse
     */
    public function contextClick(WebDriverCoordinates $where = null)
    {
        $this->moveIfNeeded($where);
        $this->executor->execute(DriverCommand::CLICK, [
            'button' => 2,
        ]);

        return $this;
    }

    /**
     * @param WebDriverCoordinates $where
     *
     * @return RemoteMouse
     */
    public function doubleClick(WebDriverCoordinates $where = null)
    {
        $this->moveIfNeeded($where);
        $this->executor->execute(DriverCommand::DOUBLE_CLICK);

        return $this;
    }

    /**
     * @param WebDriverCoordinates $where
     *
     * @return RemoteMouse
     */
    public function mouseDown(WebDriverCoordinates $where = null)
    {
        $this->moveIfNeeded($where);
        $this->executor->execute(DriverCommand::MOUSE_DOWN);

        return $this;
    }

    /**
     * @param WebDriverCoordinates $where
     * @param int|null $x_offset
     * @param int|null $y_offset
     *
     * @return RemoteMouse
     */
    public function mouseMove(
        WebDriverCoordinates $where = null,
        $x_offset = null,
        $y_offset = null
    ) {
        $params = [];
        if ($where !== null) {
            $params['element'] = $where->getAuxiliary();
        }
        if ($x_offset !== null) {
            $params['xoffset'] = $x_offset;
        }
        if ($y_offset !== null) {
            $params['yoffset'] = $y_offset;
        }
        $this->executor->execute(DriverCommand::MOVE_TO, $params);

        return $this;
    }

    /**
     * @param WebDriverCoordinates $where
     *
     * @return RemoteMouse
     */
    public function mouseUp(WebDriverCoordinates $where = null)
    {
        $this->moveIfNeeded($where);
        $this->executor->execute(DriverCommand::MOUSE_UP);

        return $this;
    }

    /**
     * @param WebDriverCoordinates $where
     */
    protected function moveIfNeeded(WebDriverCoordinates $where = null)
    {
        if ($where) {
            $this->mouseMove($where);
        }
    }
}
