// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;

namespace Microsoft.DotNet.Build.Manifest;

public abstract class ArtifactModel
{
    public abstract XElement ToXml();

    public IDictionary<string, string> Attributes { get; set; } = new Dictionary<string, string>();

    /// <summary>
    /// Original file path.
    /// </summary>
    public string OriginalFile { get; set; }

    public string Id
    {
        get { return Attributes.GetOrDefault(nameof(Id)); }
        set { Attributes[nameof(Id)] = value; }
    }

    public string RepoOrigin
    {
        get => Attributes.GetOrDefault(nameof(RepoOrigin));
        set => Attributes[nameof(RepoOrigin)] = value;
    }

    public bool NonShipping
    {
        get
        {
            string val = Attributes.GetOrDefault(nameof(NonShipping));
            if (!string.IsNullOrEmpty(val))
            {
                return bool.Parse(val);
            }
            return false;
        }
        set
        {
            Attributes[nameof(NonShipping)] = value.ToString();
        }
    }

    public ArtifactVisibility Visibility
    {
        get
        {
            string val = Attributes.GetOrDefault(nameof(Visibility));
            if (string.IsNullOrEmpty(val))
            {
                return ArtifactVisibility.External;
            }
            else if (Enum.TryParse(val, out ArtifactVisibility visibility))
            {
                return visibility;
            }
            else
            {
                throw new ArgumentException($"Invalid value for {nameof(Visibility)}: {val}");
            }
        }
        set
        {
            Attributes[nameof(Visibility)] = value.ToString();
        }
    }

    /// <summary>
    /// Path to the artifact in the pipeline artifact specified by PipelineArtifactName.
    /// </summary>
    public string PipelineArtifactPath
    {
        get => Attributes.GetOrDefault(nameof(PipelineArtifactPath));
        set => Attributes[nameof(PipelineArtifactPath)] = value;
    }

    /// <summary>
    /// Name of the pipeline artifact
    /// </summary>
    public string PipelineArtifactName
    {
        get => Attributes.GetOrDefault(nameof(PipelineArtifactName));
        set => Attributes[nameof(PipelineArtifactName)] = value;
    }

    public override bool Equals(object obj)
    {
        if (obj is ArtifactModel other)
        {
            if (ReferenceEquals(this, obj))
            {
                return true;
            }

            if (Attributes.Count() != other.Attributes.Count())
            {
                return false;
            }

            foreach (var localAttr in Attributes)
            {
                if (localAttr.Value == null)
                {
                    if (other.Attributes.GetOrDefault(localAttr.Key) != null)
                    {
                        return false;
                    }
                }
                else if (localAttr.Value.Equals(
                    other.Attributes.GetOrDefault(localAttr.Key),
                    StringComparison.OrdinalIgnoreCase) == false)
                {
                    return false;
                }
            }

            return true;
        }

        return false;
    }
    public override int GetHashCode()
    {
        int hash = 1;

        foreach (var item in Attributes)
        {
            hash *= (item.Key, item.Value).GetHashCode();
        }

        return hash;
    }
}