// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Text.Json.Serialization;
using k8s.Models;
 
namespace Aspire.Hosting.Dcp.Model;
 
internal sealed class ContainerVolumeSpec
{
    /// <summary>
    /// Name of the container volume.
    /// </summary>
    [JsonPropertyName("name")]
    public string? Name { get; set; }
 
    /// <summary>
    /// True if the volume needs to be preserved between application runs.
    /// </summary>
    [JsonPropertyName("persistent")]
    public bool? Persistent { get; set; } = true;
}
 
internal static class ContainerVolumeState
{
    /// <summary>
    /// The volume has not been checked for existence, or has not been created yet.
    /// </summary>
    public const string Pending = "Pending";
 
    /// <summary>
    /// Indicates that volume creation is blocked because the container runtime isn't healthy.
    /// Volume will be created once the runtime has recovered.
    /// </summary>
    public const string RuntimeUnhealthy = "RuntimeUnhealthy";
 
    /// <summary>
    /// Indicates that the underlying Docker/Podman volume has been created and is ready for use.
    /// </summary>
    public const string Ready = "Ready";
}
 
internal sealed record ContainerVolumeStatus : V1Status
{
    /// <summary>
    /// The current state of the container volume. See <see cref="ContainerVolumeState"/> for possible values.
    /// </summary>
    [JsonPropertyName("state")]
    public string? State { get; set; }
}
 
/// <summary>
/// Represents a Docker/Podman volume that will be referenced by application Container(s).
/// </summary>
internal sealed class ContainerVolume : CustomResource<ContainerVolumeSpec, ContainerVolumeStatus>, IKubernetesStaticMetadata
{
    /// <summary>
    /// Create a new <see cref="ContainerVolume"/> resource.
    /// </summary>
    /// <param name="spec">The <see cref="ContainerVolumeSpec"/> describing the new resource</param>
    [JsonConstructor]
    public ContainerVolume(ContainerVolumeSpec spec) : base(spec) { }
 
    /// <summary>
    /// Create a new <see cref="ContainerVolume"/> resource.
    /// </summary>
    public static ContainerVolume Create(string name, string volumeName, bool persistent = true)
    {
        var containerVolume = new ContainerVolume(new ContainerVolumeSpec
        {
            Name = volumeName,
            Persistent = persistent,
        })
        {
            Kind = Dcp.ContainerVolumeKind,
            ApiVersion = Dcp.GroupVersion.ToString()
        };
        containerVolume.Metadata.Name = name;
        containerVolume.Metadata.NamespaceProperty = string.Empty;
 
        return containerVolume;
    }
 
    public static string ObjectKind => Dcp.ContainerVolumeKind;
}