using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;

namespace Programmation_objet_TLESIO21.projet {
    public class GameManager {

        private string Path;
        private List<Pokemon> pkm = new List<Pokemon>();
        private List<Player> players = new List<Player>();

        public GameManager() {
            this.Path = "../../../csv/";
        }

        private static int getRandom(int max) {
            Random r = new Random();
            return r.Next(max);
        }

        private Nature GenerateNature() {
            switch (getRandom(25)) {
                case 0:
                    return Nature.BOLD;
                case 1:
                    return Nature.QUIRKY;
                case 2:
                    return Nature.BRAVE;
                case 3:
                    return Nature.CALM;
                case 4:
                    return Nature.QUIET;
                case 5:
                    return Nature.DOCILE;
                case 6:
                    return Nature.MILD;
                case 7:
                    return Nature.RASH;
                case 8:
                    return Nature.GENTLE;
                case 9:
                    return Nature.HARDY;
                case 10:
                    return Nature.JOLLY;
                case 11:
                    return Nature.LAX;
                case 12:
                    return Nature.IMPISH;
                case 13:
                    return Nature.SASSY;
                case 14:
                    return Nature.NAUGHTY;
                case 15:
                    return Nature.MODEST;
                case 16:
                    return Nature.NAIVE;
                case 17:
                    return Nature.HASTY;
                case 18:
                    return Nature.CAREFUL;
                case 19:
                    return Nature.BASHFUL;
                case 20:
                    return Nature.RELAXED;
                case 21:
                    return Nature.ADAMANT;
                case 22:
                    return Nature.SERIOUS;
                case 23:
                    return Nature.LONELY;
                case 24:
                    return Nature.TIMID;
                default:
                    return Nature.NULL;
            }
        }

        private Pokemon? CreatePokemon(String s) {
            String[] tab = s.Split(";");
            switch (tab[1]) {
                case "Normal":
                    return new PokemonNormal(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Grass":
                    return new PokemonGrass(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Fire":
                    return new PokemonFire(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Water":
                    return new PokemonWater(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Electric":
                    return new PokemonElectric(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Flying":
                    return new PokemonFlying(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Bug":
                    return new PokemonBug(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Rock":
                    return new PokemonRock(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Ground":
                    return new PokemonGround(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Psychic":
                    return new PokemonPsychic(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Poison":
                    return new PokemonPoison(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Ghost":
                    return new PokemonGhost(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Dark":
                    return new PokemonDark(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Steel":
                    return new PokemonSteel(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Fighting":
                    return new PokemonFighting(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Ice":
                    return new PokemonIce(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Dragon":
                    return new PokemonDragon(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                case "Fairy":
                    return new PokemonFairy(tab[0], int.Parse(tab[2]), int.Parse(tab[3]), int.Parse(tab[5]), int.Parse(tab[4]), int.Parse(tab[6]), int.Parse(tab[7]));
                default:
                    return null;
            }
        }

        private Player createPlayer(String s) {
            String[] tab = s.Split(";");
            List<Pokemon> pokemons = new List<Pokemon>();
            for(int i = 0; i < getRandom(30)+7; ++i) {
                pokemons.Add(pkm.ElementAt(getRandom(1072)));
            }

            foreach (Pokemon pkm in pokemons) {
                Nature n = GenerateNature();
                pkm.SetNature(n);
                this.ApplyNatureEffect(n, pkm);
                this.ApplyPlayerEffect(tab[0], pkm);
            }

            return new Player(tab[0], tab[1], pokemons);
        }

        public void initializeGame() {
            String line;
            try {
                //Pass the file path and file name to the StreamReader constructor
                StreamReader srPkm = new StreamReader(this.Path + "Pokemon.csv");
                StreamReader srPerso = new StreamReader(this.Path + "Characters.csv");

                //Read the first line of text
                line = srPkm.ReadLine();
                //Continue to read until you reach end of file
                while (line != null) {
                    if (line[0] == '/') {
                        line = srPkm.ReadLine();
                    }
                    //write the line to console window
                    pkm.Add(CreatePokemon(line));
                    //Read the next line
                    line = srPkm.ReadLine();
                }
                //close the file
                srPkm.Close();

                //Read the first line of text
                line = srPerso.ReadLine();
                //Continue to read until you reach end of file
                while (line != null) {
                    if (line[0] == '/') {
                        line = srPerso.ReadLine();
                    }
                    //write the line to console window
                    players.Add(createPlayer(line));
                    //Read the next line
                    line = srPerso.ReadLine();
                }
                //close the file
                srPkm.Close();


            } catch (Exception e) {
                Console.WriteLine("Exception: " + e.Message);
            }
        }

        public void AlterPokemonStat(String stat, double value, Pokemon p) {
            switch(stat) {
                case "PV":
                    p.setPV((int)Math.Floor(p.getPV() * value));
                    break;
                case "ATKPhys":
                    p.setATKPhys(((int)Math.Floor(p.getATKPhys() * value)));
                    break;
                case "ATKSpe":
                    p.setATKSpe(((int)Math.Floor(p.getATKSpe() * value)));
                    break;
                case "DEFPhys":
                    p.setDefPhys(((int)Math.Floor(p.getDEFPhys() * value)));
                    break;
                case "DEFSpe":
                    p.setDefSpe(((int)Math.Floor(p.getDEFSpe() * value)));
                    break;
                case "Speed":
                    p.setSpeed(((int)Math.Floor(p.getSpeed() * value)));
                    break;
                default:
                    break;

            }
        }

        public void ApplyNatureEffect(Enum nature, Pokemon p) {
            switch(nature) { //malus
                case Nature.BOLD:
                case Nature.CALM:
                case Nature.MODEST:
                case Nature.TIMID:
                    AlterPokemonStat("ATKPhys", 0.9, p);
                    break;
                case Nature.MILD:
                case Nature.GENTLE:
                case Nature.HASTY:
                case Nature.LONELY:
                    AlterPokemonStat("DEFPhys", 0.9, p);
                    break;
                case Nature.JOLLY:
                case Nature.IMPISH:
                case Nature.CAREFUL:
                case Nature.ADAMANT:
                    AlterPokemonStat("ATKSpe", 0.9, p);
                    break;
                case Nature.RASH:
                case Nature.LAX:
                case Nature.NAUGHTY:
                case Nature.NAIVE:
                    AlterPokemonStat("DEFSpe", 0.9, p);
                    break;
                case Nature.BRAVE:
                case Nature.QUIET:
                case Nature.SASSY:
                case Nature.RELAXED:
                    AlterPokemonStat("Speed", 0.9, p);
                    break;
                default:
                    break;
            }

            switch(nature) { //bonus
                case Nature.BRAVE:
                case Nature.NAUGHTY:
                case Nature.ADAMANT:
                case Nature.LONELY:
                    AlterPokemonStat("ATKPhys", 1.1, p);
                    break;
                case Nature.BOLD:
                case Nature.LAX:
                case Nature.IMPISH:
                case Nature.RELAXED:
                    AlterPokemonStat("DEFPhys", 1.1, p);
                    break;
                case Nature.QUIET:
                case Nature.MILD:
                case Nature.RASH:
                case Nature.MODEST:
                    AlterPokemonStat("ATKSpe", 1.1, p);
                    break;
                case Nature.CALM:
                case Nature.GENTLE:
                case Nature.SASSY:
                case Nature.CAREFUL:
                    AlterPokemonStat("DEFSpe", 1.1, p);
                    break;
                case Nature.JOLLY:
                case Nature.NAIVE:
                case Nature.HASTY:
                case Nature.TIMID:
                    AlterPokemonStat("Speed", 1.1, p);
                    break;
                default:
                    break;
            }
        }

        public void ApplyPlayerEffect(String playerName, Pokemon p) {
            switch(playerName) {
                case "Applejack":
                    AlterPokemonStat("PV", 1.05, p);
                    break;
                case "Rainbow Dash":
                    AlterPokemonStat("ATKPhys", 1.03, p);
                    break;
                case "Twilight Sparkle":
                    AlterPokemonStat("Speed", 1.07, p);
                    break;
                case "Pinkie Pie":
                    AlterPokemonStat("DEFPhys", 1.04, p);
                    break;
                case "Fluttershy":
                    AlterPokemonStat("DEFPhys", 0.96, p);
                    break;
                case "Izzy Moonbow":
                    AlterPokemonStat("PV", 1.05, p);
                    AlterPokemonStat("Speed", 0.95, p);
                    break;
                case "Zipp Storm":
                    AlterPokemonStat("PV", 0.95, p);
                    AlterPokemonStat("Speed", 1.05, p);
                    break;
                case "Sunny Starscout":
                    AlterPokemonStat("ATKSpe", 1.03, p);
                    break;
                case "Derpy Hooves":
                    AlterPokemonStat("PV", 0.95, p);
                    break;
                default:
                    break;
            }
        }

        public List<Pokemon> GetPokemons() {
            return this.pkm;
        }

        public List<Player> GetPlayers() {
            return this.players;
        }
    }
}