using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.ConsoleApp;
using System.ConsoleApp.Commands;

namespace Speech.Commands {

    [ConsoleCommand("cache")]
    public class cache_command : BaseCommand {


        public static bool execute(string line, string command, NameValueCollection arg) {
            switch(arg["general"].ToLower()) {
                case "count":
                    count(line, arg);
                    break;
                case "clear":
                    clear(line, arg);
                    break;
                case "list":
                    list(line, arg);
                    break;
                default:
                    return true;
            }
            return false;
        }

        public static string LineStartText() {
            return "Cache";
        }

        [ConsoleCommand("qqq")]
        [ConsoleCommand("exit")]
        [ConsoleCommand("quit")]
        public static bool exit() {
            return false;
        }


        [ConsoleCommand("count")]
        public static bool count(string line, NameValueCollection arg) {
            WriteLine("Items in cache: " + SpeechExecute.Cache.Count);
            return true;
        }


        [ConsoleCommand("clear")]
        public static bool clear(string line, NameValueCollection arg) {
            bool bRes = false;
            Input("Do you realy want to clear all cached items?", ref bRes);
            if (bRes) {
                SpeechExecute.Cache.Clear();
            }
            return true;
        }

        [ConsoleCommand("list")]
        public static bool list(string line, NameValueCollection arg) {
            BeginWrite();
            ConsoleColor cc = Console.ForegroundColor;
            int i = 0;
            Console.WriteLine("ID".PadRight(7) + "   " + "Text".PadRight(60) + "   " + "File".PadRight(40));
            Console.WriteLine(new string('=',113));
            foreach(SpeechCacheEntry e in SpeechExecute.Cache.Entry) {
                Console.ForegroundColor = ConsoleColor.Blue;
                Console.Write(i.ToString().PadLeft(7));
                Console.ForegroundColor = cc;
                if(e.Text.Length>60)
                    Console.Write(" | " + e.Text.Substring(0, 57) + "...");
                else
                    Console.Write(" | " + e.Text.PadRight(60));
                if (e.File.Length > 30)
                    Console.Write(" | " + e.File.Substring(0, 40));
                else
                    Console.Write(" | " + e.File.PadRight(40));
                Console.Write("\n");
                i++;
            }
            Console.ForegroundColor = cc;
            EndWrite();
            return true;
        }

        [ConsoleCommand("find")]
        public static bool find(string line, NameValueCollection arg) {
            BeginWrite();
            ConsoleColor cc = Console.ForegroundColor;
            int i = 0;
            Console.WriteLine("ID".PadRight(7) + "   " + "Text".PadRight(60) + "   " + "File".PadRight(40));
            Console.WriteLine(new string('=', 113));
            System.Text.RegularExpressions.Regex r;
            if(!String.IsNullOrEmpty(arg["regex"])) {
                r = new System.Text.RegularExpressions.Regex(arg["regex"]);
            } else if (!String.IsNullOrEmpty(arg["r"])) {
                r = new System.Text.RegularExpressions.Regex(arg["r"]);
            }
            foreach (SpeechCacheEntry e in SpeechExecute.Cache.Entry) {
                Console.ForegroundColor = ConsoleColor.Blue;
                Console.Write(i.ToString().PadLeft(7));
                Console.ForegroundColor = cc;
                if (e.Text.Length > 60)
                    Console.Write(" | " + e.Text.Substring(0, 57) + "...");
                else
                    Console.Write(" | " + e.Text.PadRight(60));
                if (e.File.Length > 30)
                    Console.Write(" | " + e.File.Substring(0, 40));
                else
                    Console.Write(" | " + e.File.PadRight(40));
                Console.Write("\n");
                i++;
            }
            Console.ForegroundColor = cc;
            EndWrite();
            return true;
        }
    }
}