using System;
using System.Linq;

namespace EDPlayerJournal.BGS; 
public class CombatZone : Transaction {
    /// <summary>
    /// Type string for ground combat zone
    /// </summary>
    public static readonly string GroundCombatZone = "Ground";

    /// <summary>
    /// Type string for ship combat zones
    /// </summary>
    public static readonly string ShipCombatZone = "Ship";

    /// <summary>
    /// Difficulty low
    /// </summary>
    public static readonly string DifficultyLow = "Low";

    /// <summary>
    /// Difficulty medium
    /// </summary>
    public static readonly string DifficultyMedium = "Medium";

    /// <summary>
    /// Difficulty high
    /// </summary>
    public static readonly string DifficultyHigh = "High";

    /// <summary>
    /// Type, either on foot or ship
    /// </summary>
    public string Type { get; set; } = ShipCombatZone;

    /// <summary>
    /// Difficulty type, low, medium or high.
    /// </summary>
    public string Grade { get; set; } = DifficultyLow;

    /// <summary>
    /// Whether spec ops were won.
    /// </summary>
    public bool? SpecOps { get; set; }

    /// <summary>
    /// Whether captain was won
    /// </summary>
    public bool? Captain { get; set; }

    /// <summary>
    /// Whether correspondent objective was won
    /// </summary>
    public bool? Correspondent { get; set; }

    /// <summary>
    /// Whether cap ship objective was won
    /// </summary>
    public bool? CapitalShip { get; set; }

    /// <summary>
    /// How many optional objectives were completed?
    /// </summary>
    public int OptionalObjectivesCompleted {
        get {
            if (IsGround) {
                return 0;
            }
            return new List<bool?>() { SpecOps, Captain, Correspondent, CapitalShip }
                .Where(x => x != null && x == true)
                .Count()
                ;
        }
    }

    /// <summary>
    /// Returns true if it is an on foot/ground combat zone
    /// </summary>
    public bool IsGround {
        get { return string.Compare(Type, GroundCombatZone) == 0; }
    }

    /// <summary>
    /// Returns true if it is an on foot combat zone
    /// </summary>
    public bool IsShip {
        get { return string.Compare(Type, ShipCombatZone) == 0; }
    }

    public override int CompareTo(Transaction? obj) {
        if (obj == null || obj.GetType() != typeof(CombatZone)) {
            return -1;
        }

        CombatZone? b = obj as CombatZone;
        if (b == null) {
            return -1;
        }

        if (b.Faction != Faction || b.System != System) {
            return -1; // System and faction don't match
        }

        if (b.Type != b.Type || b.Grade != b.Grade) {
            return -1; // grade and type don't match
        }

        return 0;
    }

    public override string ToString() {
        return string.Format("Won {0} {1} Combat Zone", Grade, Type);
    }
}