using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using CsvHelper;

namespace UPWG.Core
{
    public class InvalidMoveException : Exception
    {
        public InvalidMoveException()
        {
        }

        public InvalidMoveException(string message) : base(message)
        {
        }
    }

    public enum MoveType
    {
        Strike,
        Aerial,
        Hold,
        Throw,
        Pin,
    }

    [Flags]
    public enum BodyParts
    {
        Arms = 1,
        Legs = 2,
        Head = 4,
        Body = 8,
        All = Arms | Legs | Head | Body,
    }

    public class Move
    {
        public string Name { get; set; }
        public MoveType Type { get; set; }

        public uint Rank { get; set; }

        // can it be done?
        public double BaseChance { get; set; }

        //public MomentumLevel RequiredMomentum { get; set; }
        public BodyParts PartsRestrained { get; set; }
        public BodyParts PartsUtilized { get; set; }

        // what does it do?
        public int BasePopularity { get; set; }
        public int BaseOffense { get; set; }
    }

    public static class MoveDatabase
    {
        public static readonly Dictionary<string, Move> Moves = new();

        public static void Initialize()
        {
            using var reader = new StreamReader("Data/moves.csv");
            using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);
            var records = csv.GetRecords<Move>();
            foreach (var record in records)
            {
                Moves[record.Name] = record;
            }
        }

        public static Move Lookup(string name)
        {
            return Moves[name];
        }
    }
}