/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
 * copy, modify, and distribute this software in source code or binary form for use
 * in connection with the web services and APIs provided by Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use of
 * this software is subject to the Facebook Developer Principles and Policies
 * [http://developers.facebook.com/policy/]. This copyright notice shall be
 * included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

namespace Facebook.Unity.Example
{
    using System;
    using System.Collections.Generic;
    using System.Linq;

    using UnityEngine;

    internal class LogView : ConsoleBase
    {
        private static string datePatt = @"M/d/yyyy hh:mm:ss tt";
        private static IList<string> events = new List<string>();

        public static void AddLog(string log)
        {
            events.Insert(0, string.Format("{0}\n{1}\n", DateTime.Now.ToString(datePatt), log));
        }

        protected void OnGUI()
        {
            GUILayout.BeginVertical();
            GUILayout.Space(Screen.safeArea.yMin + 10);
            if (this.Button("Back"))
            {
                this.GoBack();
            }

            #if UNITY_IOS || UNITY_ANDROID || UNITY_WP8
            if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Moved)
            {
                Vector2 scrollPosition = this.ScrollPosition;
                scrollPosition.y += Input.GetTouch(0).deltaPosition.y;
                this.ScrollPosition = scrollPosition;
            }
            #endif
            this.ScrollPosition = GUILayout.BeginScrollView(
                this.ScrollPosition,
                GUILayout.MinWidth(ConsoleBase.MainWindowFullWidth));

            GUILayout.TextArea(
                string.Join("\n", events.ToArray()),
                this.TextStyle,
                GUILayout.ExpandHeight(true),
                GUILayout.MaxWidth(ConsoleBase.MainWindowWidth));

            GUILayout.EndScrollView();

            GUILayout.EndVertical();
        }
    }
}