XFEEDToolBox

using System.Collections.Frozen;
using XFEEDToolBox.Core.Models;

namespace XFEEDToolBox.Core.Galaxy;

/// <summary>An actual published D50 object. MinimumExtra floors style offset1C, never its independent main size at offset0.</summary>
public sealed record GalaxyOriginalPointOverride(long SystemAddress,float MinimumExtra,bool FarFade,bool Pending,
    Coordinates Position,string? Name,string StarClass,GalaxyOriginalStellarAppearance? OriginalAppearance)
{
    /// <summary>No generated name or invented catalogue row is supplied for an unnamed loaded compact.</summary>
    public GalacticSystem? System=>Name is{Length:>0}?new(Name,Position,SystemAddress,StarClass,"游戏银河目录"){OriginalAppearance=OriginalAppearance}:null;
}

/// <summary>One profile request's fresh owner-thread copy. Completeness refers to the currently published tables only.</summary>
public sealed class GalaxyOriginalPointOverrides
{
    public int ProcessId {get;}
    public long SourceGeneration {get;}
    /// <summary>Capture time in the native process monotonic tick domain; never a route revision or a wall-clock time.</summary>
    public ulong CapturedAtTick {get;}
    public int? NavRouteViewMode {get;}
    public int? NavRouteMembershipMode=>NavRouteViewMode is{} view?view==1?1:0:null;
    public bool D50Complete {get;}
    public bool NavRouteComplete {get;}
    public IReadOnlyDictionary<long,GalaxyOriginalPointOverride> Overrides {get;}
    public IReadOnlySet<long> NavRouteMembers {get;}

    public GalaxyOriginalPointOverrides(int processId,long sourceGeneration,ulong capturedAtTick,int? navRouteViewMode,
        bool d50Complete,bool navRouteComplete,IEnumerable<GalaxyOriginalPointOverride> overrides,IEnumerable<long> navRouteMembers)
    {
        if(processId<=0||sourceGeneration<=0)throw new ArgumentOutOfRangeException(nameof(sourceGeneration));
        var rows=overrides.ToArray();var members=navRouteMembers.ToArray();
        static bool Address(long id)=>id>0&&id<1L<<55;
        if(rows.Any(r=>!Address(r.SystemAddress)||!float.IsFinite(r.MinimumExtra)||r.MinimumExtra<0||!r.Position.IsValid||r.Name is{Length:>159})||
           rows.Select(r=>r.SystemAddress).Distinct().Count()!=rows.Length||members.Any(id=>!Address(id))||members.Distinct().Count()!=members.Length||
           navRouteComplete&&navRouteViewMode is null)throw new ArgumentException("原星点覆写上下文无效。");
        ProcessId=processId;SourceGeneration=sourceGeneration;CapturedAtTick=capturedAtTick;NavRouteViewMode=navRouteViewMode;
        D50Complete=d50Complete;NavRouteComplete=navRouteComplete;
        Overrides=rows.ToFrozenDictionary(r=>r.SystemAddress);NavRouteMembers=members.ToFrozenSet();
    }
    public bool? Membership(long address)=>address<=0||address>=1L<<55?null:NavRouteMembers.Contains(address)?true:NavRouteComplete?false:null;
    public bool? OverridePresence(long address)=>address<=0||address>=1L<<55?null:Overrides.ContainsKey(address)?true:D50Complete?false:null;
    public bool TryGetOverride(long address,out GalaxyOriginalPointOverride? value)=>Overrides.TryGetValue(address,out value);
}