using System.Collections.Generic;

namespace Luneraria.Core
{
    public enum Phase { Planning, Combat, Over }

    /// <summary>One persistent troop of a player (committed roster or planning draft).</summary>
    public sealed class RosterEntry
    {
        /// <summary>"p{slot}-{seq}": unique per match; ownership is the slot in the uid.</summary>
        public string Uid = "";
        public int Seq;
        public string TypeId = "";
        /// <summary>top, mid, bot or grotto (one round).</summary>
        public string Lane = "";
        public int Invested;
        /// <summary>Bought in the current planning (full refund on sale).</summary>
        public bool Fresh;

        public RosterEntry Clone() { return (RosterEntry)MemberwiseClone(); }
    }

    /// <summary>The single hero of a player.</summary>
    public sealed class HeroState
    {
        public string Uid = "";
        public int Seq;
        public string HeroId = "";
        public string Lane = "";
        public int Xp;
        public List<string> Items = new List<string>();
        public List<string> Talents = new List<string>();
        public int Invested;
        public bool Fresh;
        /// <summary>Items bought in the current planning (full refund on sale).</summary>
        public List<string> FreshItems = new List<string>();
        /// <summary>Trigger rule of the ultimate (H1), "" = the hero's default rule.</summary>
        public string Ultimate = "";
        /// <summary>H1: cosmetic skin ("" = standard), chosen freely in planning, visible to everyone.</summary>
        public string Skin = "";
        /// <summary>S1 (extended rules): fell in the last combat; starts the next one weakened unless bought back.</summary>
        public bool Exhausted;

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

    /// <summary>An attack champion booking: bought in round n, fights once in round n + 1.</summary>
    public sealed class Booking
    {
        public string Uid = "";
        public int Seq;
        public string ChampionId = "";
        public string Lane = "";
        public int Cost;
        /// <summary>0 while uncommitted (draft); the round it fights in once committed.</summary>
        public int DeployRound;

        public Booking Clone() { return (Booking)MemberwiseClone(); }
    }

    /// <summary>Private planning of one player; validated and committed atomically at combat start.</summary>
    public sealed class Draft
    {
        public int Gold;
        public List<RosterEntry> Roster = new List<RosterEntry>();
        public int NextSeq;
        public HeroState Hero;
        public List<Booking> NewBookings = new List<Booking>();
        /// <summary>Lane chosen by the boss chooser in this planning, "" if unchanged.</summary>
        public string BossLane = "";

        public Draft Clone()
        {
            var copy = new Draft { Gold = Gold, NextSeq = NextSeq, BossLane = BossLane, Hero = Hero != null ? Hero.Clone() : null };
            foreach (RosterEntry entry in Roster)
                copy.Roster.Add(entry.Clone());
            foreach (Booking booking in NewBookings)
                copy.NewBookings.Add(booking.Clone());
            return copy;
        }
    }

    /// <summary>One of six seats. Team = slot / 3, lane = slot % 3 (top, mid, bot).</summary>
    public sealed class Player
    {
        public int Slot;
        public int Team;
        public string Lane = "";
        public bool IsHuman;
        public string Name = "";
        public string Bund = "";
        public int Gold;
        public List<RosterEntry> Roster = new List<RosterEntry>();
        public HeroState Hero;
        public List<Booking> Bookings = new List<Booking>();
        public bool Ready;
        public int Earned;
        public int Spent;
        public int NextSeq;
        public Draft Draft;
        public List<Draft> Undo = new List<Draft>();
        /// <summary>S1 (extended rules): permanent income from booked attack champions (Legion TD 2).</summary>
        public int IncomeBonus;
    }

    public sealed class BossClaim
    {
        public int Team;
        public int WonRound;
        public int DeployRound;
        public int ChooserSlot;
        public string Lane = "";

        public BossClaim Clone() { return (BossClaim)MemberwiseClone(); }
    }

    /// <summary>Public boss state: the grotto opens from NextAvailableRound; Claim is null or the conquest.</summary>
    public sealed class BossState
    {
        public int NextAvailableRound = 1;
        public BossClaim Claim;
        /// <summary>Round whose settlement was already applied (idempotence), 0 = none.</summary>
        public int SettledRound;
        /// <summary>S1 (extended rules): Mondsegen stacks per team from grotto victories (League of Legends dragon souls).</summary>
        public int[] Blessing = new int[2];
    }

    public sealed class BossLogEntry
    {
        public int Round;
        /// <summary>deployed, won or failed.</summary>
        public string Event = "";
        public int Team = -1;
        public string Lane = "";
        public int Chooser = -1;
    }

    /// <summary>Public announcement of the current round: a champion or the deployed boss.</summary>
    public sealed class Announcement
    {
        /// <summary>champion or boss.</summary>
        public string Kind = "";
        public int Team;
        public int Slot;
        public string Lane = "";
        public string ChampionId = "";
        public int Bounty;
    }

    public sealed class Settlement
    {
        public int Round;
        public int[] Gains = new int[6];
        public int Income;
        public List<string> BuildingsLost = new List<string>();
        public string EndReason = "";
        public double CombatTime;
        public OrderedMap<string, int> LaneKills = new OrderedMap<string, int>();
        public OrderedMap<string, int> Xp = new OrderedMap<string, int>();
        /// <summary>none, won, failed, deployed or repeat.</summary>
        public string Boss = "none";
    }

    public sealed class HistoryEntry
    {
        public int Round;
        public string EndReason = "";
        public double CombatTime;
        public int[] Buildings = new int[2];
        public int[] Gold = new int[6];
        public List<string> Lost = new List<string>();
        public string Boss = "";
        public int[] HeroLevels = new int[6];
    }

    public sealed class MatchOptions
    {
        public int Seed = 1;
        /// <summary>-1 for six bots.</summary>
        public int HumanSlot = 1;
        /// <summary>Six Bünde; missing entries follow the seed.</summary>
        public List<string> Bunds = new List<string>();
        /// <summary>Optional fixed bot profile per slot (balance runs).</summary>
        public List<string> Profiles = new List<string>();
        /// <summary>
        /// S1: extended rules after Legion TD 2, Dota 2 and League of Legends (champion income,
        /// barracks, exhaustion and buyback, Mondsegen) and bots that may pick the heroes after
        /// the reference. False = the reference rules of the port (golden replays, fingerprints).
        /// </summary>
        public bool Extended;
    }

    /// <summary>Bot-private notes per slot, derived only from its own actions and public outcomes.</summary>
    public sealed class BotMemory
    {
        public bool HasChampionRound;
        public int ChampionRound;
        public bool HasBossFields;
        public double Bar;
        public int Sent;
    }

    public struct CommandResult
    {
        public bool Ok;
        public string Message;

        public CommandResult(bool ok, string message)
        {
            Ok = ok;
            Message = message;
        }
    }

    /// <summary>
    /// A player's intent during planning. Clients only ever send these; the authority applies
    /// them through LuneMatch.Submit. Null fields mean "not given" (e.g. buy without lane uses
    /// the player's own lane).
    /// </summary>
    public sealed class Command
    {
        public string Type = "";
        public string TypeId;
        public string Lane;
        public string Uid;
        public string HeroId;
        public string ItemId;
        public string ChampionId;
        public int? Tier;
        public int? Choice;

        public static Command Buy(string typeId, string lane = null) { return new Command { Type = "buy", TypeId = typeId, Lane = lane }; }
        public static Command Upgrade(string uid) { return new Command { Type = "upgrade", Uid = uid }; }
        public static Command Sell(string uid) { return new Command { Type = "sell", Uid = uid }; }
        public static Command Assign(string uid, string lane) { return new Command { Type = "assign", Uid = uid, Lane = lane }; }
        public static Command HeroBuy(string heroId) { return new Command { Type = "hero_buy", HeroId = heroId }; }
        public static Command HeroCancel() { return new Command { Type = "hero_cancel" }; }
        public static Command ItemBuy(string itemId, string uid = null) { return new Command { Type = "item_buy", ItemId = itemId, Uid = uid }; }
        public static Command ItemSell(string itemId) { return new Command { Type = "item_sell", ItemId = itemId }; }
        public static Command Talent(int tier, int choice) { return new Command { Type = "talent", Tier = tier, Choice = choice }; }
        public static Command ChampionBook(string championId, string lane = null) { return new Command { Type = "champion_book", ChampionId = championId, Lane = lane }; }
        public static Command ChampionCancel(string uid) { return new Command { Type = "champion_cancel", Uid = uid }; }
        public static Command BossLaneChoice(string lane) { return new Command { Type = "boss_lane", Lane = lane }; }
        /// <summary>H1: trigger rule of the hero's ultimate; the rule id travels in TypeId.</summary>
        public static Command UltimateRule(string rule) { return new Command { Type = "ultimate_rule", TypeId = rule }; }
        /// <summary>H1: cosmetic skin of the hero ("" = standard); the skin id travels in TypeId.</summary>
        public static Command HeroSkin(string skin) { return new Command { Type = "hero_skin", TypeId = skin }; }
        /// <summary>S1: buys an exhausted hero back to full strength for the next combat.</summary>
        public static Command Buyback() { return new Command { Type = "buyback" }; }
    }
}