namespace SpaceGame.Api.Factions.Runtime;

public sealed class FactionRuntime
{
  public required string Id { get; init; }
  public required string Label { get; init; }
  public required string Color { get; init; }
  public float Credits { get; set; }
  public float PopulationTotal { get; set; }
  public float OreMined { get; set; }
  public float GoodsProduced { get; set; }
  public int ShipsBuilt { get; set; }
  public int ShipsLost { get; set; }
  public HashSet<string> CommanderIds { get; } = new(StringComparer.Ordinal);
  public string? DefaultPolicySetId { get; set; }
  public string LastDeltaSignature { get; set; } = string.Empty;
}

public sealed class CommanderRuntime
{
  public required string Id { get; init; }
  public required string Kind { get; set; }
  public required string FactionId { get; init; }
  public string? ParentCommanderId { get; set; }
  public string? ControlledEntityId { get; set; }
  public string? PolicySetId { get; set; }
  public string? Doctrine { get; set; }
  public List<string> Goals { get; } = [];
  public string? ActiveGoalName { get; set; }
  public string? ActiveActionName { get; set; }
  public float ReplanTimer { get; set; }
  public bool NeedsReplan { get; set; } = true;
  public CommanderBehaviorRuntime? ActiveBehavior { get; set; }
  public CommanderOrderRuntime? ActiveOrder { get; set; }
  public CommanderTaskRuntime? ActiveTask { get; set; }
  public HashSet<string> SubordinateCommanderIds { get; } = new(StringComparer.Ordinal);
  public bool IsAlive { get; set; } = true;
  public FactionPlanningState? LastStrategicAssessment { get; set; }
  public IReadOnlyList<(string Name, float Priority)>? LastStrategicPriorities { get; set; }
  public FactionBlackboardRuntime? FactionBlackboard { get; set; }
  public List<FactionObjectiveRuntime> Objectives { get; } = [];
  public List<FactionIssuedTaskRuntime> IssuedTasks { get; } = [];
  public int PlanningCycle { get; set; }
}

public enum FactionObjectiveKind
{
  DestroyFaction,
  BootstrapWarIndustry,
  BuildShipyard,
  BuildAttackFleet,
  EnsureCommoditySupply,
  EnsureWaterSecurity,
  EnsureMiningCapacity,
  EnsureConstructionCapacity,
  EnsureTransportCapacity,
}

public enum FactionObjectiveState
{
  Planned,
  Active,
  Blocked,
  Complete,
  Failed,
  Cancelled,
}

public enum FactionPlanStepKind
{
  EnsureCommodityProduction,
  EnsureShipyardSite,
  ProduceFleet,
  AttackFactionAssets,
  EnsureWaterSupply,
  EnsureMiningCapacity,
  EnsureConstructionCapacity,
  EnsureTransportCapacity,
  MonitorExpansionProject,
}

public enum FactionPlanStepStatus
{
  Planned,
  Ready,
  Running,
  Blocked,
  Complete,
  Failed,
  Cancelled,
}

public enum FactionIssuedTaskKind
{
  ExpandIndustry,
  ProduceShips,
  AttackFactionAssets,
  SustainWarIndustry,
}

public enum FactionIssuedTaskState
{
  Planned,
  Active,
  Blocked,
  Complete,
  Cancelled,
}

public sealed class FactionObjectiveRuntime
{
  public required string Id { get; init; }
  public required string MergeKey { get; init; }
  public required FactionObjectiveKind Kind { get; init; }
  public FactionObjectiveState State { get; set; } = FactionObjectiveState.Planned;
  public float Priority { get; set; }
  public string? ParentObjectiveId { get; set; }
  public string? TargetFactionId { get; set; }
  public string? TargetSystemId { get; set; }
  public string? TargetSiteId { get; set; }
  public string? TargetRegionId { get; set; }
  public string? CommodityId { get; set; }
  public string? ModuleId { get; set; }
  public int BudgetWeight { get; set; }
  public int SlotCost { get; set; } = 1;
  public int CreatedAtCycle { get; init; }
  public int UpdatedAtCycle { get; set; }
  public string? InvalidationReason { get; set; }
  public string? BlockingReason { get; set; }
  public HashSet<string> PrerequisiteObjectiveIds { get; } = new(StringComparer.Ordinal);
  public HashSet<string> AssignedAssetIds { get; } = new(StringComparer.Ordinal);
  public List<FactionPlanStepRuntime> Steps { get; } = [];
}

public sealed class FactionPlanStepRuntime
{
  public required string Id { get; init; }
  public required string ObjectiveId { get; init; }
  public required FactionPlanStepKind Kind { get; init; }
  public FactionPlanStepStatus Status { get; set; } = FactionPlanStepStatus.Planned;
  public float Priority { get; set; }
  public string? CommodityId { get; set; }
  public string? ModuleId { get; set; }
  public string? TargetFactionId { get; set; }
  public string? TargetSiteId { get; set; }
  public string? StatusReason { get; set; }
  public string? ExecutionBindingKind { get; set; }
  public string? ExecutionBindingTargetId { get; set; }
  public string? ExecutionBindingSummary { get; set; }
  public string? BlockingReason { get; set; }
  public string? Notes { get; set; }
  public int LastEvaluatedCycle { get; set; }
  public HashSet<string> DependencyStepIds { get; } = new(StringComparer.Ordinal);
  public HashSet<string> RequiredFacts { get; } = new(StringComparer.Ordinal);
  public HashSet<string> ProducedFacts { get; } = new(StringComparer.Ordinal);
  public HashSet<string> AssignedAssetIds { get; } = new(StringComparer.Ordinal);
  public HashSet<string> IssuedTaskIds { get; } = new(StringComparer.Ordinal);
}

public sealed class FactionIssuedTaskRuntime
{
  public required string Id { get; init; }
  public required string MergeKey { get; init; }
  public required FactionIssuedTaskKind Kind { get; init; }
  public required string ObjectiveId { get; init; }
  public required string StepId { get; init; }
  public FactionIssuedTaskState State { get; set; } = FactionIssuedTaskState.Planned;
  public float Priority { get; set; }
  public string? ShipRole { get; set; }
  public string? CommodityId { get; set; }
  public string? ModuleId { get; set; }
  public string? TargetFactionId { get; set; }
  public string? TargetSystemId { get; set; }
  public string? TargetSiteId { get; set; }
  public int CreatedAtCycle { get; init; }
  public int UpdatedAtCycle { get; set; }
  public string? BlockingReason { get; set; }
  public string? Notes { get; set; }
  public HashSet<string> AssignedAssetIds { get; } = new(StringComparer.Ordinal);
}

public sealed class FactionBlackboardRuntime
{
  public int PlanCycle { get; set; }
  public DateTimeOffset UpdatedAtUtc { get; set; }
  public int TargetWarshipCount { get; set; }
  public bool HasWarIndustrySupplyChain { get; set; }
  public bool HasShipyard { get; set; }
  public bool HasActiveExpansionProject { get; set; }
  public string? ActiveExpansionCommodityId { get; set; }
  public string? ActiveExpansionModuleId { get; set; }
  public string? ActiveExpansionSiteId { get; set; }
  public string? ActiveExpansionSystemId { get; set; }
  public int EnemyFactionCount { get; set; }
  public int EnemyShipCount { get; set; }
  public int EnemyStationCount { get; set; }
  public int MilitaryShipCount { get; set; }
  public int MinerShipCount { get; set; }
  public int TransportShipCount { get; set; }
  public int ConstructorShipCount { get; set; }
  public int ControlledSystemCount { get; set; }
  public List<FactionCommoditySignalRuntime> CommoditySignals { get; } = [];
  public List<FactionThreatSignalRuntime> ThreatSignals { get; } = [];
  public HashSet<string> AvailableShipIds { get; } = new(StringComparer.Ordinal);
}

public sealed class FactionCommoditySignalRuntime
{
  public required string ItemId { get; init; }
  public float AvailableStock { get; set; }
  public float OnHand { get; set; }
  public float ProductionRatePerSecond { get; set; }
  public float CommittedProductionRatePerSecond { get; set; }
  public float UsageRatePerSecond { get; set; }
  public float NetRatePerSecond { get; set; }
  public float ProjectedNetRatePerSecond { get; set; }
  public float LevelSeconds { get; set; }
  public string Level { get; set; } = "unknown";
  public float ProjectedProductionRatePerSecond { get; set; }
  public float BuyBacklog { get; set; }
  public float ReservedForConstruction { get; set; }
}

public sealed class FactionThreatSignalRuntime
{
  public required string ScopeId { get; init; }
  public required string ScopeKind { get; init; }
  public int EnemyShipCount { get; set; }
  public int EnemyStationCount { get; set; }
}

public sealed class CommanderBehaviorRuntime
{
  public required string Kind { get; set; }
  public string? Phase { get; set; }
  public string? TargetEntityId { get; set; }
  public string? ItemId { get; set; }
  public string? NodeId { get; set; }
  public string? StationId { get; set; }
  public string? ModuleId { get; set; }
  public string? AreaSystemId { get; set; }
  public int PatrolIndex { get; set; }
}

public sealed class CommanderOrderRuntime
{
  public required string Kind { get; init; }
  public OrderStatus Status { get; set; } = OrderStatus.Accepted;
  public string? TargetEntityId { get; set; }
  public string? DestinationNodeId { get; set; }
  public required string DestinationSystemId { get; init; }
  public required Vector3 DestinationPosition { get; init; }
}

public sealed class CommanderTaskRuntime
{
  public required string Kind { get; set; }
  public WorkStatus Status { get; set; } = WorkStatus.Pending;
  public string? TargetEntityId { get; set; }
  public string? TargetSystemId { get; set; }
  public string? TargetNodeId { get; set; }
  public Vector3? TargetPosition { get; set; }
  public float Threshold { get; set; }
}