using Cysharp.Threading.Tasks;

using System;

using UnityEngine;
using UnityEngine.UI;

namespace PMaker.Extension
{
    public static class UniTaskUGUIExtension
    {
        /// <summary>
        /// 异步匀速率打字机
        /// </summary>
        /// <param name="text">UGUI.Text组件</param>
        /// <param name="data">待打文字</param>
        /// <param name="millisecondsDelay">打字间隔(每字符)单位为毫秒(milliseconds)</param>
        /// <returns></returns>
        public static async UniTask DoTextAsync(this Text text, string data, int millisecondsDelay)
        {
            text.text = string.Empty;
            foreach (var item in data)
            {
                text.text += item;
                await UniTask.Delay(millisecondsDelay);
            }
        }

        /// <summary>
        /// 异步匀速率打字机, 无返回值 (UniTask官方文档指出, UniTaskVoid.Forget()比UniTask.Forget()更加高效.)
        /// </summary>
        /// <param name="text">UGUI.Text组件</param>
        /// <param name="data">待打文字</param>
        /// <param name="millisecondsDelay">打字间隔(每字符)单位为毫秒(milliseconds)</param>
        /// <returns></returns>
        public static async UniTaskVoid DoTextAsyncVoid(this Text text, string data, int millisecondsDelay)
        {
            await text.DoTextAsync(data, millisecondsDelay);
        }
    }

    public static class UniTaskMonoBehaviourExtension
    {
        public static void Async(this MonoBehaviour behaviour, Func<UniTaskVoid> func)
        {
            UniTask.Void(func);
        }
    }
}