using System.Collections.Generic;

namespace Luneraria.Core
{
    /// <summary>
    /// Combat definition of a unit type: troop, monster, send, hero, champion, boss or building.
    /// One type for all, as in the reference, where definitions were dictionaries; the defaults
    /// are the fallbacks the rules used for missing keys (e.g. SiegeFactor 1, HpFactor 1).
    /// </summary>
    public sealed class UnitDef
    {
        public string Id = "";
        public string DisplayName = "";
        public int Cost;
        public string UpgradeId = "";
        public double MaxHp = 1.0;
        public double Damage;
        /// <summary>0 Klinge, 1 Durchschlag, 2 Impuls.</summary>
        public int AttackType;
        /// <summary>0 Leicht, 1 Schwer, 2 Ätherisch.</summary>
        public int ArmorType;
        public double AttackRange = 1.0;
        public double Speed = 2.0;
        public string Ability = "";
        public int LeakValue;
        public int Bounty;
        public string AbilityDescription = "";
        public bool IsBoss;
        public int IncomeGain;
        // Set by the match for army units and heroes.
        public string Role = "";
        public string HeroId = "";
        public int Level = 1;
        public double ViewScale = 1.0;
        public double Regen;
        public double ItemSplash;
        public List<string> Talents = new List<string>();
        public double DamageBonus;
        public double ReductionBonus;
        public double AttackSpeedBonus;
        // Attack champions.
        public string ChampionId = "";
        public string Priority = "";
        public double SiegeFactor = 1.0;
        // Monsters: wave strength factor (heals of e06 scale with it).
        public double HpFactor = 1.0;
        // Buildings: outer, inner, base or core.
        public string Tier = "";

        public UnitDef Clone()
        {
            var copy = (UnitDef)MemberwiseClone();
            copy.Talents = new List<string>(Talents);
            return copy;
        }
    }

    public sealed class HeroSpec
    {
        public string Id = "";
        public string Name = "";
        public string Title = "";
        public string Model = "";
        public int Cost;
        public string RoleText = "";
        public bool Provisional;
        public string Summary = "";
        /// <summary>Level-1 values without items and talents.</summary>
        public UnitDef Base = new UnitDef();
    }

    public sealed class TalentOption
    {
        public readonly string Id;
        public readonly string Name;
        public readonly string Text;

        public TalentOption(string id, string name, string text)
        {
            Id = id;
            Name = name;
            Text = text;
        }
    }

    public sealed class ItemSpec
    {
        public string Id = "";
        public string Name = "";
        public int Cost;
        public string Text = "";
        public double HpFlat;
        public double Damage;
        public double Reduction;
        public double AttackSpeed;
        public double Regen;
        public double Splash;
        public int MinLevel = 1;
    }

    public sealed class ChampionSpec
    {
        public string Id = "";
        public string Name = "";
        public string RoleText = "";
        public string Model = "";
        public int Cost;
        /// <summary>Send type whose base values the champion scales (s02, s03, s04).</summary>
        public string Base = "";
        public string Text = "";
        public string Priority = "";
        public double SiegeFactor = 1.0;
        public double ViewScale = 1.0;
    }

    public sealed class BotProfile
    {
        public string Name = "";
        public double Front;
        public double Melee;
        public double Ranged;
        public double Splash;
        public double Support;
        public int UpgradeFrom;
        public double SupportLane;
        public string Hero = "";
        public int HeroRound;
        public string[] Items = new string[0];
        public int[] TalentChoices = new int[0];
        public string Champion = "";
        /// <summary>Boss hunters only; 0 = never goes to the grotto.</summary>
        public int BossFrom;
        public int BossTroops;

        public bool HuntsBoss { get { return BossFrom > 0; } }

        public double Share(string role)
        {
            switch (role)
            {
                case "front": return Front;
                case "melee": return Melee;
                case "ranged": return Ranged;
                case "splash": return Splash;
                default: return Support;
            }
        }
    }

    public static partial class ContentData
    {
        static OrderedMap<string, UnitDef> Map(params UnitDef[] entries)
        {
            var map = new OrderedMap<string, UnitDef>();
            foreach (UnitDef entry in entries)
                map[entry.Id] = entry;
            return map;
        }

        static OrderedMap<string, HeroSpec> Ordered(params HeroSpec[] entries)
        {
            var map = new OrderedMap<string, HeroSpec>();
            foreach (HeroSpec entry in entries)
                map[entry.Id] = entry;
            return map;
        }

        static OrderedMap<string, ItemSpec> Ordered(params ItemSpec[] entries)
        {
            var map = new OrderedMap<string, ItemSpec>();
            foreach (ItemSpec entry in entries)
                map[entry.Id] = entry;
            return map;
        }

        static OrderedMap<string, ChampionSpec> Ordered(params ChampionSpec[] entries)
        {
            var map = new OrderedMap<string, ChampionSpec>();
            foreach (ChampionSpec entry in entries)
                map[entry.Id] = entry;
            return map;
        }

        static OrderedMap<string, BotProfile> Ordered(params BotProfile[] entries)
        {
            var map = new OrderedMap<string, BotProfile>();
            foreach (BotProfile entry in entries)
                map[entry.Name] = entry;
            return map;
        }

        static OrderedMap<string, string> Pairs(params string[] keysAndValues)
        {
            var map = new OrderedMap<string, string>();
            for (int i = 0; i + 1 < keysAndValues.Length; i += 2)
                map[keysAndValues[i]] = keysAndValues[i + 1];
            return map;
        }
    }
}