using Ink_Canvas.Helpers;
using System;
using System.Media;
using System.Timers;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;

namespace Ink_Canvas
{
    /// <summary>
    /// 仿希沃风格的倒计时器窗口
    /// </summary>
    public partial class SeewoStyleTimerWindow : Window
    {
        public SeewoStyleTimerWindow()
        {
            InitializeComponent();
            AnimationsHelper.ShowWithSlideFromBottomAndFade(this, 0.25);

            timer.Elapsed += Timer_Elapsed;
            timer.Interval = 50;
            InitializeUI();
            
            // 应用主题
            ApplyTheme();
        }


        private void Timer_Elapsed(object sender, ElapsedEventArgs e)
        {
            if (!isTimerRunning || isPaused)
            {
                timer.Stop();
                return;
            }

            TimeSpan timeSpan = DateTime.Now - startTime;
            TimeSpan totalTimeSpan = new TimeSpan(hour, minute, second);
            TimeSpan leftTimeSpan = totalTimeSpan - timeSpan;
            if (leftTimeSpan.Milliseconds > 0) leftTimeSpan += new TimeSpan(0, 0, 1);

            Application.Current.Dispatcher.Invoke(() =>
            {
                Digit1Display.Text = (leftTimeSpan.Hours / 10).ToString();
                Digit2Display.Text = (leftTimeSpan.Hours % 10).ToString();
                Digit3Display.Text = (leftTimeSpan.Minutes / 10).ToString();
                Digit4Display.Text = (leftTimeSpan.Minutes % 10).ToString();
                Digit5Display.Text = (leftTimeSpan.Seconds / 10).ToString();
                Digit6Display.Text = (leftTimeSpan.Seconds % 10).ToString();

                if (leftTimeSpan.TotalSeconds <= 0)
                {
                    Digit1Display.Text = "0";
                    Digit2Display.Text = "0";
                    Digit3Display.Text = "0";
                    Digit4Display.Text = "0";
                    Digit5Display.Text = "0";
                    Digit6Display.Text = "0";
                    timer.Stop();
                    isTimerRunning = false;
                    StartPauseIcon.Text = "▶";
                    PlayTimerSound();
                }
            });
        }

        SoundPlayer player = new SoundPlayer();
        MediaPlayer mediaPlayer = new MediaPlayer();

        int hour = 0;
        int minute = 5;
        int second = 0;

        DateTime startTime = DateTime.Now;
        DateTime pauseTime = DateTime.Now;

        bool isTimerRunning = false;
        bool isPaused = false;

        Timer timer = new Timer();

        private void InitializeUI()
        {
            UpdateDigitDisplays();
        }

        private void ApplyTheme()
        {
            try
            {
                // 根据主题设置数字显示颜色
                var digitForeground = Application.Current.FindResource("SeewoTimerWindowDigitForeground") as SolidColorBrush;
                if (digitForeground != null)
                {
                    Digit1Display.Foreground = digitForeground;
                    Digit2Display.Foreground = digitForeground;
                    Digit3Display.Foreground = digitForeground;
                    Digit4Display.Foreground = digitForeground;
                    Digit5Display.Foreground = digitForeground;
                    Digit6Display.Foreground = digitForeground;
                }
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogToFile($"应用仿希沃倒计时窗口主题出错: {ex.Message}", LogHelper.LogType.Error);
            }
        }

        private void UpdateDigitDisplays()
        {
            Digit1Display.Text = (hour / 10).ToString();
            Digit2Display.Text = (hour % 10).ToString();
            Digit3Display.Text = (minute / 10).ToString();
            Digit4Display.Text = (minute % 10).ToString();
            Digit5Display.Text = (second / 10).ToString();
            Digit6Display.Text = (second % 10).ToString();
        }

        // 第1位数字（小时十位）
        private void Digit1Plus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            hour += 10;
            if (hour >= 100) hour = 0;
            UpdateDigitDisplays();
        }

        private void Digit1Minus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            hour -= 10;
            if (hour < 0) hour = 90;
            UpdateDigitDisplays();
        }

        // 第2位数字（小时个位）
        private void Digit2Plus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            hour++;
            if (hour >= 100) hour = 0;
            UpdateDigitDisplays();
        }

        private void Digit2Minus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            hour--;
            if (hour < 0) hour = 99;
            UpdateDigitDisplays();
        }

        // 第3位数字（分钟十位）
        private void Digit3Plus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            minute += 10;
            if (minute >= 60) minute = 0;
            UpdateDigitDisplays();
        }

        private void Digit3Minus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            minute -= 10;
            if (minute < 0) minute = 50;
            UpdateDigitDisplays();
        }

        // 第4位数字（分钟个位）
        private void Digit4Plus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            minute++;
            if (minute >= 60) minute = 0;
            UpdateDigitDisplays();
        }

        private void Digit4Minus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            minute--;
            if (minute < 0) minute = 59;
            UpdateDigitDisplays();
        }

        // 第5位数字（秒十位）
        private void Digit5Plus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            second += 10;
            if (second >= 60) second = 0;
            UpdateDigitDisplays();
        }

        private void Digit5Minus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            second -= 10;
            if (second < 0) second = 50;
            UpdateDigitDisplays();
        }

        // 第6位数字（秒个位）
        private void Digit6Plus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            second++;
            if (second >= 60) second = 0;
            UpdateDigitDisplays();
        }

        private void Digit6Minus_Click(object sender, RoutedEventArgs e)
        {
            if (isTimerRunning) return;
            second--;
            if (second < 0) second = 59;
            UpdateDigitDisplays();
        }

        private void StartPause_Click(object sender, RoutedEventArgs e)
        {
            if (isPaused && isTimerRunning)
            {
                // 继续计时
                startTime += DateTime.Now - pauseTime;
                StartPauseIcon.Text = "⏸";
                isPaused = false;
                timer.Start();
            }
            else if (isTimerRunning)
            {
                // 暂停计时
                pauseTime = DateTime.Now;
                StartPauseIcon.Text = "▶";
                isPaused = true;
                timer.Stop();
            }
            else
            {
                // 开始计时
                if (hour == 0 && minute == 0 && second == 0)
                {
                    second = 1;
                    UpdateDigitDisplays();
                }
                
                startTime = DateTime.Now;
                StartPauseIcon.Text = "⏸";
                isPaused = false;
                isTimerRunning = true;
                timer.Start();
            }
        }

        private void Reset_Click(object sender, RoutedEventArgs e)
        {
            if (!isTimerRunning)
            {
                UpdateDigitDisplays();
            }
            else if (isTimerRunning && isPaused)
            {
                UpdateDigitDisplays();
                StartPauseIcon.Text = "▶";
                isTimerRunning = false;
                timer.Stop();
                isPaused = false;
            }
            else
            {
                startTime = DateTime.Now;
                Timer_Elapsed(timer, null);
            }
        }

        private void Fullscreen_Click(object sender, RoutedEventArgs e)
        {
            if (WindowState == WindowState.Normal)
            {
                WindowState = WindowState.Maximized;
            }
            else
            {
                WindowState = WindowState.Normal;
            }
        }


        private void PlayTimerSound()
        {
            try
            {
                double volume = MainWindow.Settings.RandSettings?.TimerVolume ?? 1.0;
                mediaPlayer.Volume = volume;

                if (!string.IsNullOrEmpty(MainWindow.Settings.RandSettings?.CustomTimerSoundPath) &&
                    System.IO.File.Exists(MainWindow.Settings.RandSettings.CustomTimerSoundPath))
                {
                    // 播放自定义铃声
                    mediaPlayer.Open(new Uri(MainWindow.Settings.RandSettings.CustomTimerSoundPath));
                }
                else
                {
                    // 播放默认铃声
                    string tempPath = System.IO.Path.GetTempFileName() + ".wav";
                    using (var stream = Properties.Resources.TimerDownNotice)
                    {
                        using (var fileStream = new System.IO.FileStream(tempPath, System.IO.FileMode.Create))
                        {
                            stream.CopyTo(fileStream);
                        }
                    }
                    mediaPlayer.Open(new Uri(tempPath));
                }

                mediaPlayer.Play();
            }
            catch (Exception ex)
            {
                // 如果播放失败，静默处理
                System.Diagnostics.Debug.WriteLine($"播放计时器铃声失败: {ex.Message}");
            }
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            // 窗口加载时的初始化
        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            isTimerRunning = false;
            
            if (MainWindow.Settings != null)
            {
                var mainWindow = Application.Current.MainWindow as MainWindow;
                if (mainWindow != null)
                {
                    try
                    {
                        var currentModeField = mainWindow.GetType().GetField("currentMode", 
                            System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
                        if (currentModeField != null)
                        {
                            int currentMode = (int)currentModeField.GetValue(mainWindow);
                            if (currentMode == 1) // 白板模式
                            {
                                mainWindow.Topmost = false; // 保持白板模式下的非置顶状态
                            }
                            else
                            {
                                mainWindow.Topmost = true; // 其他模式恢复置顶
                            }
                        }
                    }
                    catch
                    {
                        // 如果反射失败，使用默认行为
                        mainWindow.Topmost = true;
                    }
                }
            }
        }

        private void BtnClose_MouseUp(object sender, MouseButtonEventArgs e)
        {
            Close();
        }

        private void WindowDragMove(object sender, MouseEventArgs e)
        {
            if (e.LeftButton == MouseButtonState.Pressed)
                DragMove();
        }
    }
}