using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Codeer.Friendly;
using Codeer.Friendly.Windows;
using Codeer.Friendly.Windows.Grasp;
using Codeer.Friendly.Windows.NativeStandardControls;
using Ong.Friendly.FormsStandardControls;
using ScDriver;

namespace ScDriver.VoiceroidEx
{
    public class ScDeviceDriver : ScBaseDriver, IScBaseDriver
    {
        private readonly string DrvName = "VoiceroidEx.Driver@echoseika.hgotoh.jp";
        private readonly string DrvVersion = "20200430/c";
        private readonly string DrvProdName = "VOICEROID+EX";

        private readonly int CidBase = 1700;
        private readonly string[] VoiceroidExTitles =
        {
                "VOICEROID＋ 京町セイカ EX",
                "VOICEROID＋ 民安ともえ EX",
                "VOICEROID＋ 結月ゆかり EX",
                "VOICEROID＋ 東北ずん子 EX",
                "VOICEROID＋ 水奈瀬コウ EX",
                "VOICEROID＋ 東北きりたん EX",
                "VOICEROID＋ 琴葉茜",
                "VOICEROID＋ 琴葉葵",
                "VOICEROID＋ 東北ずん子",
                "VOICEROID＋ 鷹の爪 吉田くん EX",
                "VOICEROID＋ 月読アイ EX",
                "VOICEROID＋ 月読ショウタ EX",
                "音街ウナTalk Ex",
                "ギャラ子Talk",
                "ギャラ子 Talk"
        };

        public ScDeviceDriver()
        {
            ScDrvName = DrvName;
            ScDrvVersion = DrvVersion;
            ScDrvProdName = DrvProdName;
            CidBaseIndex = CidBase;
            AvatorParams = new Dictionary<int, ScDriver.AvatorParam>();

            IsAlive = false;

            foreach (VoiceroidEx.AvatorParam avator in GetVoiceroidProcess())
            {
                AvatorParams.Add(avator.AvatorIndex, avator);

                avator.AvatorUI = new VoiceroidEx.AvatorUIParam();

                try
                {
                    avator.AvatorUI._app = new WindowsAppFriend(avator.AvatorProcess);
                    avator.AvatorUI.uiTreeTop = WindowControl.FromZTop(avator.AvatorUI._app);

                    // Zインデクスはコーディア様の TestAssistantで確認可能。音声効果タブへ切り替えてUI要素を取得する。
                    dynamic VoiceroidExUiTab = new FormsTabControl(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0));
                    VoiceroidExUiTab.EmulateTabSelect(2);

                    avator.AvatorUI.TalkTextBox = avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 1, 0, 1, 1);
                    avator.AvatorUI.PlayButton = new FormsButton(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 1, 0, 1, 0, 3));
                    avator.AvatorUI.SaveButton = new FormsButton(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 1, 0, 1, 0, 1));
                    avator.AvatorUI.VolumeText = new FormsTextBox(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0, 0, 0, 8));
                    avator.AvatorUI.SpeedText = new FormsTextBox(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0, 0, 0, 9));
                    avator.AvatorUI.PitchText = new FormsTextBox(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0, 0, 0, 10));
                    avator.AvatorUI.IntonationText = new FormsTextBox(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0, 0, 0, 11));
                }
                catch (Exception e)
                {
                    ThrowException(string.Format(@"{0} {1}", e.Message, e.StackTrace));
                }

                avator.VoiceEffects_default = new Dictionary<EnumVoiceEffect, EffectValueInfo>
                {
                    { EnumVoiceEffect.volume,     new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.volume), 0.0m, 2.0m, 0.01m)},
                    { EnumVoiceEffect.speed,      new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.speed), 0.5m, 4.0m, 0.01m)},
                    { EnumVoiceEffect.pitch,      new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.pitch), 0.5m, 2.0m, 0.01m)},
                    { EnumVoiceEffect.intonation, new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.intonation), 0.0m, 2.0m, 0.01m)}
                };
                avator.VoiceEffects = new Dictionary<EnumVoiceEffect, EffectValueInfo>
                {
                    { EnumVoiceEffect.volume,     new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.volume), 0.0m, 2.0m, 0.01m)},
                    { EnumVoiceEffect.speed,      new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.speed), 0.5m, 4.0m, 0.01m)},
                    { EnumVoiceEffect.pitch,      new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.pitch), 0.5m, 2.0m, 0.01m)},
                    { EnumVoiceEffect.intonation, new EffectValueInfo(GetSliderValue(avator.AvatorIndex, EnumVoiceEffect.intonation), 0.0m, 2.0m, 0.01m)}
                };
                avator.VoiceEmotions_default = new Dictionary<string, EffectValueInfo>();
                avator.VoiceEmotions = new Dictionary<string, EffectValueInfo>();
            }

            IsAlive = AvatorParams.Count != 0;
        }

        private List<ScDriver.VoiceroidEx.AvatorParam> GetVoiceroidProcess()
        {
            Process[] ProcessList = Process.GetProcesses();
            List<VoiceroidEx.AvatorParam> VoiceroidProcesses = new List<VoiceroidEx.AvatorParam>();

            //for (int idx = 0; idx < VoiceroidExTitles.Length; idx++)
            //{
            //    string WinTitle1 = VoiceroidExTitles[idx];
            //    string WinTitle2 = WinTitle1 + "*";

            //    foreach (Process p in ProcessList)
            //    {
            //        if ((p.MainWindowHandle != IntPtr.Zero) &&
            //             ((p.MainWindowTitle.Equals(WinTitle1)) || (p.MainWindowTitle.Equals(WinTitle2))))
            //        {
            //            VoiceroidEx.AvatorParam avator = new VoiceroidEx.AvatorParam();
            //            avator.AvatorIndex = idx;
            //            avator.AvatorName = VoiceroidExTitles[idx];
            //            avator.AvatorProcess = p;

            //            VoiceroidProcesses.Add(avator);
            //            break;
            //        }
            //    }
            //}

            int idx = 0;
            foreach(string prodTitle in VoiceroidExTitles)
            {
                string WinTitle1 = prodTitle;
                string WinTitle2 = WinTitle1 + "*";

                foreach (Process p in ProcessList)
                {
                    if ((p.MainWindowHandle != IntPtr.Zero) &&
                         ((p.MainWindowTitle.Equals(WinTitle1)) || (p.MainWindowTitle.Equals(WinTitle2))))
                    {
                        VoiceroidEx.AvatorParam avator = new VoiceroidEx.AvatorParam();
                        avator.AvatorIndex = idx;
                        avator.AvatorName = prodTitle;
                        avator.AvatorProcess = p;

                        VoiceroidProcesses.Add(avator);
                        idx++;

                        break;
                    }
                }
            }

            return VoiceroidProcesses;
        }

        public void Dispose()
        {
            Dispose(true);
        }

        /// <summary>
        /// 指定話者で指定テキストで発声
        /// </summary>
        /// <param name="cid">話者CID</param>
        /// <param name="talkText">発声させるテキスト</param>
        /// <returns>発声にかかった時間（ミリ秒）</returns>
        public override double Play(int cid, string talkText)
        {
            Stopwatch stopWatch = new Stopwatch();
            int avatorIdx = ConvertAvatorIndex(cid);
            VoiceroidEx.AvatorParam avator = AvatorParams[avatorIdx] as VoiceroidEx.AvatorParam;
            avator.Semaphore.Wait();

            if (avator.AvatorUI.PlayButton == null) return 0.0;
            if (avator.AvatorUI.SaveButton == null) return 0.0;
            if (avator.AvatorUI.TalkTextBox == null) return 0.0;

            dynamic VoiceroidExUiTab = new FormsTabControl(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0));
            VoiceroidExUiTab.EmulateTabSelect(2);

            ApplyEffectParameters(avatorIdx);
            ApplyEmotionParameters(avatorIdx);

            // 再生中なので再生終了を待つ(音声保存ボタンがEnableになるのを待つ)
            if (!avator.AvatorUI.SaveButton.Enabled)
            {
                while (!avator.AvatorUI.SaveButton.Enabled)
                {
                    Thread.Sleep(10);
                }
            }

            avator.AvatorUI.TalkTextBox["Text"](talkText);
            Thread.Sleep(10);

            stopWatch.Start();

            avator.AvatorUI.PlayButton.EmulateClick();

            // 再生開始を待つ(音声保存ボタンがDisableになるのを待つ)
            if (avator.AvatorUI.SaveButton.Enabled)
            {
                while (avator.AvatorUI.SaveButton.Enabled)
                {
                    Thread.Sleep(10);
                }
            }

            // 再生終了を待つ(音声保存ボタンがEnableになるのを待つ)
            if (!avator.AvatorUI.SaveButton.Enabled)
            {
                while (!avator.AvatorUI.SaveButton.Enabled)
                {
                    Thread.Sleep(10);
                }
            }

            stopWatch.Stop();
            avator.Semaphore.Release();

            return stopWatch.ElapsedMilliseconds;
        }

        /// <summary>
        /// 指定話者で指定テキストで発声
        /// </summary>
        /// <param name="cid">話者CID</param>
        /// <param name="talkText">発声させるテキスト</param>
        public override void PlayAsync(int cid, string talkText)
        {
            int avatorIdx = ConvertAvatorIndex(cid);
            VoiceroidEx.AvatorParam avator = AvatorParams[avatorIdx] as VoiceroidEx.AvatorParam;

            Task.Run(() =>
            {
                avator.Semaphore.Wait();

                if (avator.AvatorUI.PlayButton == null) return;
                if (avator.AvatorUI.SaveButton == null) return;
                if (avator.AvatorUI.TalkTextBox == null) return;

                dynamic VoiceroidExUiTab = new FormsTabControl(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0));
                VoiceroidExUiTab.EmulateTabSelect(2);

                ApplyEffectParameters(avatorIdx);
                ApplyEmotionParameters(avatorIdx);

                // 再生中なので再生終了を待つ(音声保存ボタンがEnableになるのを待つ)
                if (!avator.AvatorUI.SaveButton.Enabled)
                {
                    while (!avator.AvatorUI.SaveButton.Enabled)
                    {
                        Thread.Sleep(10);
                    }
                }

                avator.AvatorUI.TalkTextBox["Text"](talkText);
                Thread.Sleep(10);

                avator.AvatorUI.PlayButton.EmulateClick();

                // 再生開始を待つ(音声保存ボタンがDisableになるのを待つ)
                if (avator.AvatorUI.SaveButton.Enabled)
                {
                    while (avator.AvatorUI.SaveButton.Enabled)
                    {
                        Thread.Sleep(10);
                    }
                }

                // 再生終了を待つ(音声保存ボタンがEnableになるのを待つ)
                if (!avator.AvatorUI.SaveButton.Enabled)
                {
                    while (!avator.AvatorUI.SaveButton.Enabled)
                    {
                        Thread.Sleep(10);
                    }
                }

                avator.Semaphore.Release();
            });
        }

        /// <summary>
        /// 指定話者で指定テキストで発声した結果をファイルに保存
        /// </summary>
        /// <param name="cid">話者CID</param>
        /// <param name="talkText">発声させるテキスト</param>
        /// <param name="saveFilename">保存先ファイル名</param>
        /// <returns>0.0ミリ秒固定</returns>
        public override double Save(int cid, string talkText, string saveFilename)
        {
            int avatorIdx = ConvertAvatorIndex(cid);
            VoiceroidEx.AvatorParam avator = AvatorParams[avatorIdx] as VoiceroidEx.AvatorParam;

            if (avator.AvatorUI.PlayButton == null) return 0.0;
            if (avator.AvatorUI.SaveButton == null) return 0.0;
            if (avator.AvatorUI.TalkTextBox == null) return 0.0;

            dynamic VoiceroidExUiTab = new FormsTabControl(avator.AvatorUI.uiTreeTop.IdentifyFromZIndex(2, 0, 0, 0, 0));
            VoiceroidExUiTab.EmulateTabSelect(2);

            ApplyEffectParameters(avatorIdx);
            ApplyEmotionParameters(avatorIdx);

            if (!avator.AvatorUI.SaveButton.Enabled)
            {
                while (!avator.AvatorUI.SaveButton.Enabled)
                {
                    Thread.Sleep(10);
                }
            }

            avator.AvatorUI.TalkTextBox["Text"](talkText);
            Thread.Sleep(10);

            avator.AvatorUI.SaveButton.EmulateClick(new Async());

            bool finish_savefileSetup = false;
            while (finish_savefileSetup == false)
            {
                //名前を付けて保存 ダイアログで名前を設定
                var FileDlgs = WindowControl.GetFromWindowText(avator.AvatorUI._app, "音声ファイルの保存");
                try
                {
                    if ((FileDlgs.Length != 0) && (FileDlgs[0].WindowClassName == "#32770"))
                    {
                        // https://github.com/mikoto2000/TTSController UI特定の記述を参照
                        NativeButton OkButton = new NativeButton(FileDlgs[0].IdentifyFromDialogId(1));
                        NativeEdit SaveNameText = new NativeEdit(FileDlgs[0].IdentifyFromZIndex(11, 0, 4, 0, 0));

                        //ファイル名を設定
                        SaveNameText.EmulateChangeText(saveFilename);
                        Thread.Sleep(100);

                        //OKボタンを押す
                        OkButton.EmulateClick(new Async());
                        finish_savefileSetup = true;
                    }
                }
                catch (Exception)
                {
                    //
                }

                Thread.Sleep(10);
            }

            return 0.0;
        }

        /// <summary>
        /// 感情パラメタをデフォルト値に戻す
        /// </summary>
        /// <param name="cid">話者CID</param>
        public override void ResetVoiceEmotion(int cid)
        {
            int avatorIdx = ConvertAvatorIndex(cid);
            AvatorParam avator = AvatorParams[avatorIdx] as AvatorParam;

            foreach (var emotion in avator.VoiceEmotions_default)
            {
                avator.VoiceEmotions[emotion.Key].value = emotion.Value.value;
            }

            ApplyEmotionParameters(avatorIdx);
        }

        /// <summary>
        /// 音声効果をデフォルト値に戻す
        /// </summary>
        /// <param name="cid">話者CID</param>
        public override void ResetVoiceEffect(int cid)
        {
            int avatorIdx = ConvertAvatorIndex(cid);
            AvatorParam avator = AvatorParams[avatorIdx] as AvatorParam;

            foreach (var effect in avator.VoiceEffects_default)
            {
                avator.VoiceEffects[effect.Key].value = effect.Value.value;
            }

            ApplyEffectParameters(avatorIdx);
        }

        public override void Dispose(bool disposing)
        {
            if (Disposed) return;

            if (disposing)
            {
                foreach(var item in AvatorParams)
                {
                    ResetVoiceEffect(item.Key + CidBase);
                    ResetVoiceEmotion(item.Key + CidBase);
                    (item.Value as VoiceroidEx.AvatorParam).AvatorUI._app.Dispose();
                }

                AvatorParams.Clear();

                //throw new NotImplementedException();
            }

            Disposed = true;
        }

        private void ApplyEmotionParameters(int avatorIndex)
        {
            //
        }

        private void ApplyEffectParameters(int avatorIdx)
        {
            FormsTextBox TargetTextBox = null;
            double value = 0.00;
            VoiceroidEx.AvatorParam avator = AvatorParams[avatorIdx] as VoiceroidEx.AvatorParam;

            foreach (var effect in avator.VoiceEffects)
            {
                switch (effect.Key)
                {
                    case EnumVoiceEffect.volume:
                        TargetTextBox = avator.AvatorUI.VolumeText;
                        break;

                    case EnumVoiceEffect.speed:
                        TargetTextBox = avator.AvatorUI.SpeedText;
                        break;

                    case EnumVoiceEffect.pitch:
                        TargetTextBox = avator.AvatorUI.PitchText;
                        break;

                    case EnumVoiceEffect.intonation:
                        TargetTextBox = avator.AvatorUI.IntonationText;
                        break;
                }

                value = Convert.ToDouble(avator.VoiceEffects[effect.Key].value);

                if (TargetTextBox != null)
                {
                    TargetTextBox.EmulateChangeText(string.Format("{0:0.00}", value));
                }
            }
        }

        private decimal GetSliderValue(int avatorIdx, EnumVoiceEffect effect)
        {
            decimal value = 0.00m;
            FormsTextBox TargetTextBox = null;
            VoiceroidEx.AvatorParam avator = AvatorParams[avatorIdx] as VoiceroidEx.AvatorParam;

            switch (effect)
            {
                case EnumVoiceEffect.volume:
                    TargetTextBox = avator.AvatorUI.VolumeText;
                    break;

                case EnumVoiceEffect.speed:
                    TargetTextBox = avator.AvatorUI.SpeedText;
                    break;

                case EnumVoiceEffect.pitch:
                    TargetTextBox = avator.AvatorUI.PitchText;
                    break;

                case EnumVoiceEffect.intonation:
                    TargetTextBox = avator.AvatorUI.IntonationText;
                    break;
            }

            if (TargetTextBox != null)
            {
                value = Convert.ToDecimal(TargetTextBox.Text);
            }

            return value;
        }

    }

}