using CDSAE3_Lian_Lian_Kan.Extensions;
using CDSAE3_Lian_Lian_Kan.Forms.Interface;
using CDSAE3_Lian_Lian_Kan.Sound;
using System.Drawing.Drawing2D;
using System.Text;
using System.Timers;
using Timer = System.Timers.Timer;

namespace CDSAE3_Lian_Lian_Kan.Forms
{
    public partial class Challenge_Mode : Form, IGameMode
    {
        GameControl gameControl;
        public Challenge_Mode()
        {
            InitializeComponent();
            timer = new Timer { Interval = 100, AutoReset = true, Enabled = false };
            timer.Elapsed += TimerTick;
            Etcs.current_difficulty = Etcs.Difficulty.challenge;
            Etcs.loadFinished = false;
            gameControl = new GameControl((t) => Challenge_Mode_LoadAsync(this, new EventArgs()));
            game_Panel.Controls.Add(gameControl);
            gameControl.Dock = DockStyle.Fill;
        }

        Timer timer;
        double curTime = 0;
        private int Score
        {
            get
            {
                return score;
            }
            set
            {
                if (value > score)
                    AddScoreLabel(value - score);
                else
                    SubScoreLabel(score - value);
                score = value;
                SetScoreLabel();
            }
        }
        Thread? scoreSetThread;
        private void SetScoreLabel()
        {
            if (scoreSetThread != null && scoreSetThread.IsAlive)
                scoreSetThread.Interrupt();
            scoreSetThread = new Thread(() =>
            {
                StringBuilder target = new StringBuilder(score.ToString().PadLeft(6, '0'));
                StringBuilder src = new StringBuilder(scoreLabel.Text);
                List<string> duration = new();
                while (src.ToString() != target.ToString())
                {
                    for (int i = 0; i < src.Length; i++)
                    {
                        if (src[i] != target[i])
                        {
                            if (target[i] > src[i])
                            {
                                if (target[i] - src[i] <= 5)
                                    src[i]++;
                                else
                                    src[i] = (char)((Convert.ToInt32(src[i] + 9)) % 10 + '0');
                            }
                            else
                            {
                                if (src[i] - target[i] <= 5)
                                    src[i]--;
                                else
                                    src[i] = (char)((Convert.ToInt32(src[i] + 11)) % 10 + '0');
                            }
                        }
                    }
                    duration.Add(src.ToString());
                }
                try
                {
                    for (int i = 0; i < duration.Count; i++)
                    {
                        BeginInvoke(() => scoreLabel.Text = duration[i]);
                        Thread.Sleep(50);
                    }
                }
                catch (ThreadInterruptedException) { }
            });
            scoreSetThread.Start();
        }

        private int score = 0;
        private void TimerTick(object? sender, ElapsedEventArgs e)
        {
            curTime += 0.1;
            timeLine.set_progress(curTime / 136);
        }

        private async void Challenge_Mode_LoadAsync(object sender, EventArgs e)
        {
            bool loopStop = false;
            PausePanel.BringToFront();
            int oriSongVolume = Etcs.Song_Volume;
            {
                while (Etcs.Song_Volume != 0)
                {
                    Etcs.Song_Volume = Math.Max(Etcs.Song_Volume - 7, 0);
                    Etcs.song_Audio_Processer.volume_change(Etcs.Song_Volume);
                    await Task.Delay(100);
                }
            }
            {
                Action<string, AudioPlayer> loopPlay = null!;
                loopPlay = (s, player) =>
                {
                    if (!loopStop)
                        Etcs.song_Audio_Processer.set_song("Ambient", 50, loopPlay);
                };
                Etcs.info_Audio_Processer.playMusicClip("Ambient", 50, loopPlay);
                Label label = new Label { TextAlign = ContentAlignment.MiddleCenter, Font = new Font("Microsoft YaHei UI", 20F), ForeColor = Color.White, BackColor = Color.FromArgb(0, 0, 0, 0), AutoSize = false, Size = new Size(1220, 55), Location = new Point(110, 330) };
                Controls.Add(label);
                label.BringToFront();
                string[] strings = { "你也许意识到了", "连连看的实现并不如其规则那样简单", "忙碌的CLR，处理着数以千计的事件", "委托，反射，线程冲突不断发生在各处", "代码的堆叠已经到达极限", "这是最后的连连看，集中精力，不要犯错，在歌曲结束前击败它" };
                //4* 7 28s 18s in game 10s
                for (int i = 0; i < 6; i++)
                {
                    label.Text = strings[i];
                    Etcs.info_Audio_Processer.playMusicClip("Message", 60);
                    await Task.Delay(4000);
                    if (i == 2)
                    {
                        loopStop = true;
                        while (Etcs.Song_Volume != 0)
                        {
                            Etcs.Song_Volume = Math.Max(Etcs.Song_Volume - 7, 0);
                            Etcs.song_Audio_Processer.volume_change(Etcs.Song_Volume);
                            await Task.Delay(100);
                        }
                        Etcs.song_Audio_Processer.pause_song();
                        Etcs.song_Audio_Processer.set_albums("Tatsh");
                        Etcs.song_Audio_Processer.set_song(Etcs.song_Audio_Processer.get_next_song());
                        timer.Enabled = true;
                        Thread thread = new Thread(async () =>
                        {
                            for (int n = 0; n < 8; n++)
                            {
                                Etcs.Song_Volume += 7;
                                Etcs.song_Audio_Processer.volume_change(Etcs.Song_Volume);
                                await Task.Delay(500);
                            }
                            await Task.Delay(9000);
                            foreach (var item in new Label[] { 返回主菜单, 继续游戏, 游戏暂停 })
                                Invoke(() => item.Visible = true);

                        });
                        thread.Start();
                    }
                }
                _pauseAllow = true;
                label.SendToBack();
                label.Visible = false;
                label.Dispose();
            }
            PausePanel.Visible = false;
            Etcs.song_Audio_Processer.SongFinished += Song_Audio_Processer_SongFinished;
            ShowAudioVisualizer();
        }

        private async void Song_Audio_Processer_SongFinished(Sound.Song_Audio_processer s, Sound.SongFinishedEventArgs e)
        {
            timer.Stop();
            if (finished)
                return;
            foreach (var item in new Label[] { 返回主菜单, 继续游戏, 游戏暂停 })
                item.Visible = false;
            PausePanel.Visible = true;
            PausePanel.BackgroundImage = Properties.Resources.trans;
            for (int i = 0; i < 200; i += 10)
            {
                Color animRed = Color.FromArgb(i, 0, 0);
                game_Panel.BackColor = animRed;
                PausePanel.BackColor = animRed;
                await Task.Delay(10);
            }
            PausePanel.BringToFront();
            for (int i = 200; i < 255; i += 10)
            {
                Color animRed = Color.FromArgb(i, 0, 0);
                PausePanel.BackColor = animRed;
                await Task.Delay(10);
            }
            Etcs.info_Audio_Processer.playMusicClip("failed");
            Finished_Handler(this, new FinishArgs { finishType = FinishArgs.FinishType.Time_out });
        }
        int cur_score = 0;
        bool finished = false;
        public void Finished_Handler(object sender, FinishArgs e)
        {
            BeginInvoke(async () =>
            {
                finished = true;
                switch (e.finishType)
                {
                    case FinishArgs.FinishType.All_done:
                        timer.Stop();
                        new Thread(() =>
                        {
                            while (Etcs.Song_Volume != 0)
                            {
                                Etcs.Song_Volume = Math.Max(Etcs.Song_Volume - 7, 0);
                                Etcs.song_Audio_Processer.volume_change(Etcs.Song_Volume);
                                Thread.Sleep(500);
                            }
                            Etcs.song_Audio_Processer.pause_song();
                        }).Start();
                        foreach (var item in new Label[] { 返回主菜单, 继续游戏, 游戏暂停 })
                            item.Visible = false;
                        PausePanel.Visible = true;
                        PausePanel.BackgroundImage = Properties.Resources.trans;
                        for (int i = 0; i < 200; i += 10)
                        {
                            Color animRed = Color.FromArgb(i, i, i);
                            game_Panel.BackColor = animRed;
                            PausePanel.BackColor = animRed;
                            await Task.Delay(10);
                        }
                        PausePanel.BringToFront();
                        for (int i = 200; i < 260; i += 10)
                        {
                            Color animRed = Color.FromArgb(i, i, i);
                            PausePanel.BackColor = animRed;
                            await Task.Delay(10);
                        }

                        Label label = new Label { TextAlign = ContentAlignment.MiddleCenter, Font = new Font("Microsoft YaHei UI", 20F), ForeColor = Color.White, BackColor = Color.FromArgb(0, 0, 0, 0), AutoSize = false, Size = new Size(1220, 55), Location = new Point(110, 330) };
                        string[] strings = { "Mission Accomplish", "下次再见", "The End" };
                        for (int i = 0; i < strings.Length; i++)
                        {
                            label.Text = strings[i];
                            Etcs.info_Audio_Processer.playMusicClip("Message", 60);
                        }
                        label.Visible = false;
                        label.Dispose();
                        Form form = new FinishedMessageBox(score, (int)curTime);
                        form.FormClosed += ((sender, args) =>
                        {
                            Dispose();
                            Close();
                            Etcs.form?.change_form(Etcs.charts, false, null, null);
                        });
                        form.ShowDialog();
                        break;
                    case FinishArgs.FinishType.Time_out:
                        退出_Click(this, new EventArgs());
                        break;
                }
            });
        }
        private bool _pauseState = false;
        private bool search_mode;
        private int search_left_use_time;

        /// <summary>
        /// 需要测试！！
        /// </summary>
        private bool _pauseAllow = false;
        private void DoPause()
        {
            if (!_pauseAllow)
                return;
            timer.Enabled = false;
            Etcs.song_Audio_Processer.pause_song();
            _pauseState = true;
            Bitmap bit = new Bitmap(Width, Height);
            Graphics g = Graphics.FromImage(bit);
            g.CompositingQuality = CompositingQuality.HighQuality;
            g.CopyFromScreen(Etcs.form!.Left + 5, Etcs.form!.Top + 43, 0, 0, new Size(Width, Height));
            PausePanel.BringToFront();
            Rectangle rectangle = new Rectangle(0, 0, bit.Width, bit.Height);
            PausePanel.BackgroundImage = bit.GaussianBlur();
            PausePanel.Visible = true;
            GC.Collect();
        }
        private void DePause()
        {
            Etcs.song_Audio_Processer.resume_song();
            _pauseState = false;
            timer.Enabled = true;
            PausePanel.Visible = false;
            PausePanel.SendToBack();
        }
        public void TogglePause()
        {
            if (_pauseState)
                DePause();
            else
                DoPause();
        }

        private void ShowAudioVisualizer()
        {
            Form audioVisualizer = new AudioVisualizer.MainWindow();
            audioVisualizer.TopLevel = false;
            audioVisualizer.Dock = DockStyle.Fill;
            AudioVisualizerPanel.Controls.Add(audioVisualizer);
            audioVisualizer.Show();
        }

        private void 继续游戏_Click(object sender, EventArgs e)
        {
            DePause();
        }

        private void 退出_Click(object sender, EventArgs e)
        {
            Dispose();
            Close();
            Etcs.hunderd_millsecond_timer.Elapsed -= TimerTick;
            Etcs.gameMenuForm!.playFormToMenu();
        }

        private void CanClickLabel_MouseEnter(object sender, EventArgs e)
        {
            (sender as Label)!.BackColor = Color.FromArgb(100, 100, 100);
        }

        private void CanClickLabel_MouseLeave(object sender, EventArgs e)
        {
            (sender as Label)!.BackColor = Color.FromArgb(0, 0, 0, 0);
        }

        public void De_pause(object sender, EventArgs e) { }
        public void Score_Change(object sender, ChangeScoreArgs e)
        {
            if (e.add)
            {
                new Thread(() => Score += e.score).Start();
                if (search_mode)
                {
                    search_left_use_time--;
                    if (search_left_use_time == 0)
                    {
                        search_mode = false;
                        gameControl.Search_Handler(this, new SearchEventArgs { set_search = false });
                    }
                }
            }
            else
                new Thread(() => Score = Math.Max(0, Score - e.score)).Start();
        }
        Thread? ScoreChange;
        public void AddScoreLabel(int score)
        {
            if (ScoreChange != null && ScoreChange.IsAlive)
                ScoreChange.Interrupt();
            ScoreChange = new Thread(() =>
            {
                try
                {
                    BeginInvoke(() => scoreChangeLabel.Text = "+" + score);
                    BeginInvoke(() => scoreChangeLabel.ForeColor = Color.FromArgb(0, 255, 0));
                    BeginInvoke(() => scoreChangeLabel.Visible = true);
                    for (int i = 255; i > 0; i -= 20)
                    {
                        BeginInvoke(() => scoreChangeLabel.ForeColor = Color.FromArgb(0, i, 0));
                        Thread.Sleep(80);
                    }
                    BeginInvoke(() => scoreChangeLabel.Visible = false);
                }
                catch (ThreadInterruptedException) { return; }
            });
            ScoreChange.Start();
        }
        public void SubScoreLabel(int score)
        {
            if (ScoreChange != null && ScoreChange.IsAlive)
                ScoreChange.Interrupt();
            ScoreChange = new Thread(() =>
            {
                try
                {
                    BeginInvoke(() => scoreChangeLabel.Text = "-" + score);
                    BeginInvoke(() => scoreChangeLabel.ForeColor = Color.FromArgb(255, 0, 0));
                    BeginInvoke(() => scoreChangeLabel.Visible = true);
                    for (int i = 255; i > 0; i -= 20)
                    {
                        BeginInvoke(() => scoreChangeLabel.ForeColor = Color.FromArgb(i, 0, 0));
                        Thread.Sleep(80);
                    }
                    BeginInvoke(() => scoreChangeLabel.Visible = false);
                }
                catch (ThreadInterruptedException) { return; }
            });
            ScoreChange.Start();
        }
        public void SetTheme()
        {
            Etcs.current_block_theme = Etcs.Theme.code;
            Etcs.gameModeForm = this;
        }

        private void DoSearch()
        {
            gameControl.Search_Handler(this, new SearchEventArgs { set_search = true });
            search_mode = true;
            search_left_use_time = 3;
        }
        private void DoRemake()
        {
            Task.Run(() => gameControl.Exchange_Handler(this, new EventArgs()));
        }
        public void GetGift_Handler(object sender, GiftArgs e)
        {
            Etcs.info_Audio_Processer.playMusicClip("HitSong");
            switch (e.giftType)
            {
                case GiftArgs.GiftType.Search:
                    DoSearch();
                    break;
                case GiftArgs.GiftType.ReMake:
                    DoRemake();
                    break;

            }
        }

        public void Back()
        {
            TogglePause();
        }
    }
}