using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Speech.Synthesis;

namespace WinTTS {
    class Program {
        static void Main(string[] args) {
            Dictionary<string, string> arguments = new Dictionary<string, string>();
            arguments.Add("general", "");
            foreach (string arg in args) {
                if (arg.StartsWith("-") || arg.StartsWith("/")) {
                    string key = arg.Substring(1);
                    if(key.StartsWith("-"))
                        key = key.Substring(1);
                    if (key.Contains('=')) {
                        string[] s = key.Split('=');
                        arguments.Add(s[0], s[1]);
                    } else {
                        arguments.Add(key, "");
                    }
                } else {
                    arguments["general"] += arg;
                }
            }
            SpeechSynthesizer speech = new SpeechSynthesizer();
            speech.SpeakCompleted += Speech_SpeakCompleted;

            string savePath = "";
            string lang = "";
            bool bUseSsml = false;
            string age = "";
            string gender = "";
            if (arguments.ContainsKey("voice"))
                speech.SelectVoice(arguments["voice"]);
            if (arguments.ContainsKey("v"))
                speech.SelectVoice(arguments["v"]);
            
            if (arguments.ContainsKey("path"))
                savePath = arguments["path"];
            if (arguments.ContainsKey("p"))
                savePath = arguments["p"];

            if (arguments.ContainsKey("lang"))
                lang = arguments["lang"]; 
            if (arguments.ContainsKey("l"))
                lang = arguments["l"];

            if(arguments.ContainsKey("age"))
                age = arguments["age"];
            if (arguments.ContainsKey("a"))
                age = arguments["a"];

            if (arguments.ContainsKey("g")) {
                if (arguments["g"].ToLower() == "f")
                    gender = "female";
                else if (arguments["g"].ToLower() == "m")
                    gender = "male";
            }



            bUseSsml = arguments.ContainsKey("ssml") || arguments.ContainsKey("s");
            string text = arguments["general"];

            if (bUseSsml) {
                if(gender.Length>0 || age.Length>0) {
                    text = "<voice" + (age.Length > 0 ? " age=\"" + age + "\"":"") + (gender.Length > 0 ? " gender=\"" + gender + "\"":"") + "><p>" + text + "</p></voice>";
                }
                if(text.IndexOf("<speak")==-1) {
                    text = "<speak xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" version=\"1.0\" xml:lang=\"de-DE\">" + text + "</speak>";
                }
                if(!text.StartsWith("<?xml")) {
                    text = "<?xml version=\"1.0\"?>" + text;
                }
                text = text.Replace("<speak>", "<speak xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" version=\"1.0\" xml:lang=\"de-DE\">");
            } else {
                text = System.Text.RegularExpressions.Regex.Replace(text, "<.+?>", "");
            }

            System.Diagnostics.Debug.WriteLine(text);

            if (savePath != "")
                //speech.SetOutputToWaveFile(savePath, new System.Speech.AudioFormat.SpeechAudioFormatInfo(300, System.Speech.AudioFormat.AudioBitsPerSample.Sixteen, System.Speech.AudioFormat.AudioChannel.Mono));
                speech.SetOutputToWaveFile(savePath);

            if (bUseSsml) {
                speech.SpeakSsml(text);
            } else {
                speech.Speak(text);
            }
        }

        //  <?xml version="1.0"?>
        //  <speak xmlns="http://www.w3.org/2001/10/synthesis" xmlns:dc="http://purl.org/dc/elements/1.1/" version="1.0" xml:lang="de-DE">
        //    <voice age="15">
        //      Hallo, Welt! Das ist ein Debug Text.
        //    </voice>
        //  </speak>


        private static void Speech_SpeakCompleted(object sender, SpeakCompletedEventArgs e) {
            Environment.Exit(1);
        }
    }
}