using Robust.Shared.GameStates;

using Content.Shared.Singularity.EntitySystems;
using Robust.Shared.Audio;
using Robust.Shared.Utility;

namespace Content.Shared.Singularity.Components;

/// <summary>
/// A component that makes the associated entity accumulate energy when an associated event horizon consumes things.
/// Energy management is server-side.
/// </summary>
[RegisterComponent, NetworkedComponent]
public sealed partial class SingularityComponent : Component
{
    /// <summary>
    /// The current level of the singularity.
    /// Used as a scaling factor for things like visual size, event horizon radius, gravity well radius, radiation output, etc.
    /// If you want to set this use <see cref="SharedSingularitySystem.SetLevel"/>().
    /// </summary>
    [Access(friends: typeof(SharedSingularitySystem), Other = AccessPermissions.Read, Self = AccessPermissions.Read)]
    [DataField("level")]
    public byte Level = 1;

    /// <summary>
    /// The amount of radiation this singularity emits per its level.
    /// Has to be on shared in case someone attaches a RadiationPulseComponent to the singularity.
    /// If you want to set this use <see cref="SharedSingularitySystem.SetRadsPerLevel"/>().
    /// </summary>
    [Access(friends: typeof(SharedSingularitySystem), Other = AccessPermissions.Read, Self = AccessPermissions.Read)]
    [DataField("radsPerLevel")]
    [ViewVariables(VVAccess.ReadWrite)]
    public float RadsPerLevel = 2f;

    /// <summary>
    /// The amount of energy this singularity contains.
    /// </summary>
    [DataField("energy")]
    public float Energy = 180f;

    /// <summary>
    /// The rate at which this singularity loses energy over time.
    /// </summary>
    [DataField("energyLoss")]
    [ViewVariables(VVAccess.ReadWrite)]
    public float EnergyDrain;

    #region Audio

    /// <summary>
    /// The sound that this singularity produces by existing.
    /// </summary>
    [DataField("ambientSound")]
    [ViewVariables(VVAccess.ReadOnly)]
    public SoundSpecifier? AmbientSound = new SoundPathSpecifier(
        "/Audio/Effects/singularity_form.ogg",
        AudioParams.Default.WithVolume(5).WithLoop(true).WithMaxDistance(20f)
    );

    /// <summary>
    /// The audio stream that plays the sound specified by <see cref="AmbientSound"/> on loop.
    /// </summary>
    [ViewVariables(VVAccess.ReadWrite)]
    public EntityUid? AmbientSoundStream = null;

    /// <summary>
    ///     The sound that the singularity produces when it forms.
    /// </summary>
    [DataField("formationSound")]
    [ViewVariables(VVAccess.ReadOnly)]
    public SoundSpecifier? FormationSound = null;

    /// <summary>
    ///     The sound that the singularity produces when it dissipates.
    /// </summary>
    [DataField("dissipationSound")]
    [ViewVariables(VVAccess.ReadWrite)]
    public SoundSpecifier? DissipationSound = new SoundPathSpecifier(
        "/Audio/Effects/singularity_collapse.ogg",
        AudioParams.Default
    );

    #endregion Audio

    #region Update Timing

    /// <summary>
    /// The amount of time that should elapse between automated updates to this singularity.
    /// </summary>
    [DataField("updatePeriod")]
    [ViewVariables(VVAccess.ReadWrite)]
    public TimeSpan TargetUpdatePeriod = TimeSpan.FromSeconds(1.0);

    /// <summary>
    /// </summary>
    [ViewVariables(VVAccess.ReadOnly)]
    public TimeSpan NextUpdateTime = default!;

    /// <summary>
    /// The last time this singularity was updated.
    /// </summary>
    [ViewVariables(VVAccess.ReadOnly)]
    public TimeSpan LastUpdateTime = default!;

    #endregion Update Timing
}