using System;
using System.Collections.Generic;
using System.Diagnostics;

namespace Speech.tts {
    class VoiceRSS {
        public Process GenerateTTS(string path, string voiceName, string lang, string sentance) {
            Process p = new Process();

            string key = "1234567890";

            p.StartInfo.FileName = "java org.openhab.voice.voicerss.tool.CreateTTSCache --api-key "+key+" "+path+" "+lang+" \""+sentance+"\"";
            p.StartInfo.WorkingDirectory = Environment.CurrentDirectory;
            p.StartInfo.CreateNoWindow = true;

            return p;
        }

        public string GetName() {
            return "Voice RSS";
        }

        public string generateFileName() {
            Random rnd = new Random();
            return this.DateTimeToCrypt() + "_" + rnd.Next(0, 999999).ToString().PadLeft(6, '0') + ".tmp";
        }

        public string generateFileName(string file_extention) {
            string cr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
            Random rnd = new Random();
            return this.DateTimeToCrypt() + "_" + cr.Substring(rnd.Next(0, cr.Length - 1)) + cr.Substring(rnd.Next(0, cr.Length - 1)) + cr.Substring(rnd.Next(0, cr.Length - 1)) + cr.Substring(rnd.Next(0, cr.Length - 1)) + rnd.Next(0, 999999).ToString().PadLeft(6, '0') + "." + file_extention;
        }


        protected string DateTimeToCrypt() {
            return this.DateTimeToCrypt(DateTime.Now);
        }

        protected string DateTimeToCrypt(DateTime dt) {
            string cr = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
            int y = dt.Year;
            int M = dt.Month;
            int d = dt.Day;
            int h = dt.Hour;
            int i = dt.Minute;
            int s = dt.Second;
            int f = dt.Millisecond;
            int y1 = (int)Math.Floor((decimal)(y / cr.Length));
            int y2 = y - (y1 * cr.Length);
            int sum1 = (M * d) % (cr.Length - 1);
            int sum2 = (h * i * s) % (cr.Length - 1);
            return cr.Substring(y1, 1) + cr.Substring(y2, 1) +
                cr.Substring(M, 1) +
                cr.Substring(d, 1) +
                cr.Substring(h, 1) +
                cr.Substring(i, 1) +
                cr.Substring(s, 1) +
                cr.Substring(f % (cr.Length - 1), 1) +
                cr.Substring(sum1, 1) +
                cr.Substring(sum2, 1)
            ;
        }

    }
}