using JJMediSys.Properties;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;


namespace JJMediSys
{
    public partial class AlertForm : Form
    {
        public enum AlertType
        {
            /// <summary>
            /// 成功
            /// </summary>
            Success,
            /// <summary>
            /// 提示
            /// </summary>
            Info,
            /// <summary>
            /// 错误
            /// </summary>
            Error,
            /// <summary>
            /// 警告
            /// </summary>
            Warning
        }
        public enum ActionType
        {
            /// <summary>
            /// 等待
            /// </summary>
            wait,
            /// <summary>
            /// 开启
            /// </summary>
            start,
            /// <summary>
            /// 关闭
            /// </summary>
            close
        }
        public enum ShowDirection
        {
            /// <summary>
            /// 头部中心
            /// </summary>
            TopCenter,
            /// <summary>
            /// 右下角
            /// </summary>
            BottomRight,
            /// <summary>
            /// 右上角
            /// </summary>
            TopRight,
        }
        /// <summary>
        /// Alert类型
        /// </summary>
        private ActionType action;
        private int x, y;
        /// <summary>
        /// 动画持续的时间
        /// </summary>
        private int Duration;
        /// <summary>
        /// 弹出的位置
        /// </summary>
        private ShowDirection Direction;
        /// <summary>
        /// 暴露的方法
        /// </summary>
        /// <param name="msg">内容</param>
        /// <param name="type">弹出类型</param>
        /// <param name="duration">展示时间 秒</param>
        /// <param name="direction">位置</param>
        public static void ShowAlert(string msg, AlertType type,
            int duration = 3, ShowDirection direction = ShowDirection.TopRight)
        {
            AlertForm alert = new AlertForm();
            if (msg.Length > 30)
            {
                if (msg.Length > 90)
                    msg = msg.Substring(0, 90);
                alert.Size = new Size(465, 50 * (msg.Length / 15));
                alert.lbMsg.Location = new Point(100, 10);
                alert.lbMsg.Size = new Size(300, 50 * (msg.Length / 15) - 20);
            }
            switch (type)
            {
                case AlertType.Success:
                    alert.picAlertType.Image = Resources.Success;
                    alert.BackColor = Color.FromArgb(103, 194, 58);
                    break;
                case AlertType.Info:
                    alert.picAlertType.Image = Resources.Info;
                    alert.BackColor = Color.FromArgb(64, 158, 255);
                    break;
                case AlertType.Error:
                    alert.picAlertType.Image = Resources.Error;
                    alert.BackColor = Color.FromArgb(245, 108, 108);
                    break;
                case AlertType.Warning:
                    alert.picAlertType.Image = Resources.Warning;
                    alert.BackColor = Color.FromArgb(230, 162, 60);
                    break;
            }
            alert.Duration = duration * 1000;
            alert.Direction = direction;
            alert.ShowAlert(msg);

        }

        public AlertForm()
        {
            InitializeComponent();
        }




        /// <summary>
        /// 内部调用显示窗体
        /// </summary>
        /// <param name="msg"></param>
        protected void ShowAlert(string msg)
        {
            this.Opacity = 0.0;
            this.StartPosition = FormStartPosition.Manual;

            string fname;

            for (int i = 1; i < 10; i++)
            {
                fname = "alert" + i.ToString() + Direction.ToString();
                AlertForm frm = (AlertForm)Application.OpenForms[fname];
                if (frm == null)
                {
                    this.Name = fname;
                    // 初始位置
                    switch (Direction)
                    {
                        case ShowDirection.TopCenter:
                            this.x = (Screen.PrimaryScreen.WorkingArea.Width - this.Width) / 2;
                            this.y = Screen.PrimaryScreen.WorkingArea.Height / 2 - (this.Height * i + 5 * i);
                            break;
                        case ShowDirection.BottomRight:
                            this.x = Screen.PrimaryScreen.WorkingArea.Width - this.Width + 15;
                            this.y = Screen.PrimaryScreen.WorkingArea.Height - this.Height * i - 5 * i;
                            break;
                        case ShowDirection.TopRight:
                            this.x = Screen.PrimaryScreen.WorkingArea.Width - this.Width + 15;
                            this.y = this.Height * i + 5 * i;
                            break;
                    }
                    this.Location = new Point(this.x, this.y);
                    break;
                }
            }

            // 横向最后的显示位置 形成滑动距离
            switch (Direction)
            {
                case ShowDirection.BottomRight:
                case ShowDirection.TopRight:
                    this.x = Screen.PrimaryScreen.WorkingArea.Width - base.Width - 5;
                    break;
            }

            this.lbMsg.Text = msg;
            //字体大小自适应
            LabelAutoSize();
            this.Show();
            this.action = ActionType.start;
            this.hideTimer.Interval = 1;
            this.hideTimer.Start();
        }
        /// <summary>
        /// msg文字大小自适应
        /// </summary>
        private void LabelAutoSize()
        {
            Font font;
            while (true)
            {
                var lbFont = this.lbMsg.Font;
                if (lbMsg.Right >= this.btnPicClose.Left)
                {
                    font = new Font(lbFont.Name, lbFont.Size - 1, lbFont.Style);
                    this.lbMsg.Font = font;
                }
                else
                {
                    var top = (this.Height - this.lbMsg.Height) / 2;
                    lbMsg.Top = top;
                    break;
                }
            }
        }

        private void btnPicClose_Click_1(object sender, EventArgs e)
        {
            this.hideTimer.Interval = 1;
            this.action = ActionType.close;
        }

        private void btnPicClose_Click(object sender, EventArgs e)
        {
            //this.hideTimer.Interval = 1;
            // this.action = ActionType.close;
            this.Close();
        }

        private void AlertForm_Load(object sender, EventArgs e)
        {

        }

        private void lbMsg_Click(object sender, EventArgs e)
        {

        }

        private void hideTimer_Tick(object sender, EventArgs e)
        {
            switch (this.action)
            {
                case ActionType.wait:
                    this.hideTimer.Interval = Duration;
                    this.action = ActionType.close;
                    break;
                case ActionType.start:
                    this.hideTimer.Interval = 1;
                    this.Opacity += 0.1;
                    switch (Direction)
                    {
                        case ShowDirection.TopCenter:
                            if (this.Opacity.Equals(1.0))
                            {
                                this.action = ActionType.wait;
                            }
                            break;
                        case ShowDirection.BottomRight:
                        case ShowDirection.TopRight:
                            if (this.x < this.Location.X)
                            {
                                this.Left--;
                            }
                            else
                            {
                                if (this.Opacity.Equals(1.0))
                                {
                                    this.action = ActionType.wait;
                                }
                            }
                            break;
                    }
                    break;
                case ActionType.close:
                    this.hideTimer.Interval = 1;
                    this.Opacity -= 0.1;
                    if (Direction == ShowDirection.TopCenter)
                        this.Top -= 10;
                    else
                        this.Left -= 3;

                    if (base.Opacity == 0.0)
                        base.Close();
                    break;
            }
        }

    }
}