using System.Collections.Generic;

public partial class Structure : GameObject
{
    public Order CurrentOrder { get; protected set; }

    public bool IsPlayer { get; private set; }
    public bool IsMobile { get; protected set; }
    public bool IsLanded { get; protected set; }
    public bool IsOrbiting { get; protected set; }
    public long Diameter { get; protected set; }

    public AI AI { get; protected set; }

    public List<Component> Components { get; protected set; }
    public List<GameObject> Cargo { get; protected set; }
    public List<Life> Crew { get; protected set; }

    public Structure(string name, CoordinateVector position, GameObject parent, long diameter, bool isPlayer)
        : base(name, position, new CoordinateVector(0, 0), parent)
    {
        this.IsPlayer = isPlayer;
        this.IsMobile = false;
        this.IsLanded = false;
        this.IsOrbiting = false;
        this.Diameter = diameter;

        this.AI = isPlayer ? null : new AI(this);

        this.Components = new List<Component>();
        this.Cargo = new List<GameObject>();
        this.Crew = new List<Life>();
    }

    public override void Simulate()
    {
        base.Simulate();

        foreach (GameObject component in this.Components)
        {
            component.Simulate();
        }

        foreach (GameObject cargoItem in this.Cargo)
        {
            cargoItem.Simulate();
        }

        foreach (GameObject crewMember in this.Crew)
        {
            crewMember.Simulate();
        }

        ExecuteOrder();
    }

    public bool SetNewPlayerOrder(Order newOrder)
    {
        if (!this.IsPlayer)
        {
            return false;
        }

        this.CurrentOrder = newOrder;

        return true;
    }

    protected bool ExecuteOrder()
    {
        bool finished = false;

        if (this.CurrentOrder == null)
        {
            if (!this.IsPlayer && this.AI != null)
            {
                this.CurrentOrder = this.AI.Think();
            }
            return false;
        }

        if (this.CurrentOrder.Category == Order.OrderCategory.TICK)
        {
            finished = ExecuteTickOrder(this.CurrentOrder as TickOrder);
        }

        if (this.CurrentOrder.Category == Order.OrderCategory.DESTINATION)
        {
            finished = ExecuteDestinationOrder(this.CurrentOrder as DestinationOrder);
        }

        if (finished)
        {
            this.CurrentOrder = null;
        }

        return finished;
    }

    protected bool ExecuteTickOrder(TickOrder tickOrder)
    {
        bool finished = false;

        switch (tickOrder.Type)
        {
            case Order.OrderType.IDLE:

                break;
            case Order.OrderType.ORBIT:

                break;
            case Order.OrderType.LAND:

                break;
        }

        return finished;
    }

    protected bool ExecuteDestinationOrder(DestinationOrder destinationOrder)
    {
        bool finished = false;

        switch (destinationOrder.Type)
        {
            case Order.OrderType.MOVE_THRUSTERS:
                finished = this.TravelTo(destinationOrder.Destination, false);
                break;
            case Order.OrderType.MOVE_WARP:
                finished = this.TravelTo(destinationOrder.Destination, true);
                break;
        }

        return finished;
    }
}