using System.Collections.Generic;
using System.Linq;

namespace Luneraria.Core.Tests
{
    /// <summary>
    /// S4: what guests see of the extended rules. Over the in-process loopback a guest receives
    /// the running glyph of each team (extra values after the building HP of a frame) and the
    /// stun flag of every unit, and its fog sources match the host's (LuneFog.Vision).
    /// </summary>
    public sealed class S4NetSuite : CheckSuite
    {
        public override string Name { get { return "s4"; } }

        protected override void RunChecks()
        {
            var hub = new LuneLoopback();
            LuneSession host = hub.Attach(1, new LuneSession());
            var options = new MatchOptions { Seed = 42, HumanSlot = 0, Extended = true,
                Bunds = new List<string> { "glutpakt", "wurzelbund", "glutpakt", "wurzelbund", "glutpakt", "wurzelbund" } };
            Check(host.HostNetwork(options, "Host"), "host starts");
            LuneSession guest = hub.Attach(10, new LuneSession());
            guest.JoinNetwork("Gast");
            guest.OnClientConnected();
            Check(guest.MatchState != null && guest.MatchState.Extended, "the guest's match has the extended rules");
            host.PlanBotSeats();
            host.Submit(Command.Buy("g01"));
            host.ReadyUp();
            guest.Submit(Command.Buy(guest.MatchState.BaseIds(guest.MatchState.Players[guest.LocalSlot].Bund)[0]));
            guest.ReadyUp();
            for (int i = 0; i < 20 && host.MatchState.Phase != Phase.Combat; i++)
                host.HostTick(LuneNet.FrameInterval);
            Check(host.MatchState.Phase == Phase.Combat && guest.MatchState.Phase == Phase.Combat, "both sides are in combat");
            LuneCombat combat = host.MatchState.Combat;
            for (int i = 0; i < 10; i++)
                host.MatchState.StepCombat();
            combat.GlyphLane[0] = "mid";
            combat.GlyphUntil[0] = combat.Elapsed + 3.0;
            LuneUnit target = combat.Units.First(u => u.IsMobile() && u.Team == 1 && u.Alive);
            target.ApplyEffect("valkyrie_stun", "stun", 1.0, 2.0);
            host.HostTick(LuneNet.FrameInterval);
            LuneCombat mirror = guest.MatchState.Combat;
            Check(mirror.GlyphLane[0] == "mid" && mirror.GlyphLane[1] == "", "the guest knows Blau's glyph on mid");
            LuneUnit tower;
            Check(mirror.Buildings.TryGetValue("blau_mid_outer", out tower) && mirror.Glyphed(tower), "the guest sees the mid tower glyphed");
            LuneUnit copy = mirror.Units.FirstOrDefault(u => u.Id == target.Id);
            Check(copy != null && copy.ShowsStun(), "the guest sees the stun");
            Check(mirror.Units.Where(u => u.Id != target.Id && u.IsMobile()).All(u => !u.ShowsStun()), "nobody else looks stunned");
            int team = 0;
            int hostSources = LuneFog.Vision(host.MatchState, combat, team).Count;
            int guestSources = LuneFog.Vision(guest.MatchState, mirror, team).Count;
            Check(hostSources == guestSources && hostSources > 0, "fog sources agree on host and guest (" + hostSources + "/" + guestSources + ")");
        }
    }
}