// ******************************************************************
// Copyright (c) Microsoft. All rights reserved.
// This code is licensed under the MIT License (MIT).
// THE CODE 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 CODE OR THE USE OR OTHER DEALINGS IN THE CODE.
// ******************************************************************

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using GreenshotWin10Plugin.Native.Structs;

namespace GreenshotWin10Plugin.Native
{
    /// <summary>
    /// Text and selection values that the user entered on your notification. The Key is the ID of the input, and the Value is what the user entered.
    /// </summary>
    public class NotificationUserInput : IReadOnlyDictionary<string, string>
    {
        private readonly NotificationUserInputData[] _notificationUserInputData;

        internal NotificationUserInput(NotificationUserInputData[] notificationUserInputData)
        {
            _notificationUserInputData = notificationUserInputData;
        }

        public string this[string key] => _notificationUserInputData.First(i => i.Key == key).Value;

        public IEnumerable<string> Keys => _notificationUserInputData.Select(i => i.Key);

        public IEnumerable<string> Values => _notificationUserInputData.Select(i => i.Value);

        public int Count => _notificationUserInputData.Length;

        public bool ContainsKey(string key)
        {
            return _notificationUserInputData.Any(i => i.Key == key);
        }

        public IEnumerator<KeyValuePair<string, string>> GetEnumerator()
        {
            return _notificationUserInputData.Select(i => new KeyValuePair<string, string>(i.Key, i.Value)).GetEnumerator();
        }

        public bool TryGetValue(string key, out string value)
        {
            foreach (var item in _notificationUserInputData)
            {
                if (item.Key == key)
                {
                    value = item.Value;
                    return true;
                }
            }

            value = null;
            return false;
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            return GetEnumerator();
        }
    }
}