using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace TournamentOrganizer.Models;

public enum RuleSet
{
    DoubleElimination,
    SingleElimination,
    RoundRobin,
    Swiss
}

public static class RuleSetExtensions
{
    public static string ToDisplayName(this RuleSet ruleSet) => ruleSet switch
    {
        RuleSet.DoubleElimination => "Double Elimination",
        RuleSet.SingleElimination => "Single Elimination",
        RuleSet.RoundRobin => "Round Robin",
        RuleSet.Swiss => "Swiss",
        _ => ruleSet.ToString()
    };

    public static RuleSet? FromDisplayName(string? displayName) => displayName switch
    {
        "Double Elimination" => RuleSet.DoubleElimination,
        "Single Elimination" => RuleSet.SingleElimination,
        "Round Robin" => RuleSet.RoundRobin,
        "Swiss" => RuleSet.Swiss,
        _ => null
    };
}

public class Game
{
    [Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public int Id { get; set; }
    public string Name { get; set; } = "Example Game";
    public string Description { get; set; } = "Example Game Description";

    public RuleSet S1RuleSet { get; set; }
    public int? S1Groups { get; set; }
    public int? S1GroupAdvances { get; set; }

    public RuleSet? S2RuleSet { get; set; }

    public List<Tournament> Tournaments { get; set; } = [];

}