using System;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using StardewModdingAPI.Toolkit.Utilities;

namespace StardewModdingAPI.Toolkit.Framework.Clients.WebApi
{
    /// <summary>Specifies mods whose update-check info to fetch.</summary>
    public class ModSearchModel
    {
        /*********
        ** Accessors
        *********/
        /// <summary>The mods for which to find data.</summary>
        public ModSearchEntryModel[] Mods { get; set; }

        /// <summary>Whether to include extended metadata for each mod.</summary>
        public bool IncludeExtendedMetadata { get; set; }

        /// <summary>The SMAPI version installed by the player. This is used for version mapping in some cases.</summary>
        public ISemanticVersion ApiVersion { get; set; }

        /// <summary>The Stardew Valley version installed by the player.</summary>
        public ISemanticVersion GameVersion { get; set; }

        /// <summary>The OS on which the player plays.</summary>
        public Platform Platform { get; set; }


        /*********
        ** Public methods
        *********/
        /// <summary>Construct an empty instance.</summary>
        [Obsolete("This constructor only exists to support ASP.NET model binding, and shouldn't be used directly.")]
        [SuppressMessage("ReSharper", "UnusedMember.Global", Justification = "Used by ASP.NET model binding.")]
        public ModSearchModel()
        {
            // ASP.NET Web API needs a public empty constructor for top-level request models, and
            // it'll fail if the other constructor is marked with [JsonConstructor]. Apparently
            // it's fine with non-empty constructors in nested models like ModSearchEntryModel.
            this.Mods = Array.Empty<ModSearchEntryModel>();
            this.ApiVersion = null!;
            this.GameVersion = null!;
        }

        /// <summary>Construct an instance.</summary>
        /// <param name="mods">The mods to search.</param>
        /// <param name="apiVersion">The SMAPI version installed by the player. If this is null, the API won't provide a recommended update.</param>
        /// <param name="gameVersion">The Stardew Valley version installed by the player.</param>
        /// <param name="platform">The OS on which the player plays.</param>
        /// <param name="includeExtendedMetadata">Whether to include extended metadata for each mod.</param>
        public ModSearchModel(ModSearchEntryModel[] mods, ISemanticVersion apiVersion, ISemanticVersion gameVersion, Platform platform, bool includeExtendedMetadata)
        {
            this.Mods = mods.ToArray();
            this.ApiVersion = apiVersion;
            this.GameVersion = gameVersion;
            this.Platform = platform;
            this.IncludeExtendedMetadata = includeExtendedMetadata;
        }
    }
}