using System.Collections.Generic;
using Newtonsoft.Json;

namespace Ubisoft.Hotel.Cache
{
    public static class Constants
    {
        internal const string MetadataFileExtension = ".cache";
        internal const string SystemMetadataFile = "system" + MetadataFileExtension;
        internal const string GlobalMetadataFile = "_" + MetadataFileExtension;      
    }

    public class CacheSettings
    {
        [JsonProperty("enabled")]
        public bool IsEnabled { get; set; }
        [JsonProperty("offline")]
        public bool IsOffline { get; set; }
        [JsonProperty("gameVersionSensitive")]
        public bool IsGameVersionSensitive { get; set; }
        [JsonProperty("invalidate")]
        public bool MustInvalidate { get; set; }

        public CacheSettings() { }

        public CacheSettings(bool isEnabled, bool isOffline, bool isGameVersionSensitive, bool mustInvalidate)
        {
            IsEnabled = isEnabled;
            IsOffline = isOffline;
            IsGameVersionSensitive = isGameVersionSensitive;
            MustInvalidate = mustInvalidate;
        }

        public override string ToString()
        {
            return $"Enabled: {IsEnabled} - Offline: {IsOffline} - GameVersionSensitive: {IsGameVersionSensitive} - MustInvalidate: {MustInvalidate}";
        }
    }

    // Stores the contents of SystemMetadataFile (global information handled by Cache Manager)
    public class CacheSystemMetadata
    {
        public ListOfString RootSubfolders { get; set; }
    }

    public class ListOfString : List<string> { }

    // Stores the contents of GlobalMetadataFile (information affecting a cache subsystem)
    public class CacheGlobalMetadata
    {
        public bool Invalidated { get; set; }       // When CacheSettings.MustInvalidate=true, this flag indicates whether the cache has already been invalidated
        public string GameVersion { get; set; }     // Game Version of the most recent file in a cache subsystem
    }

    // Stores the contents of <file_name>.cache (metadata linked to a specific cached file)
    public class CacheFileMetadata
    {
        public int NumSlots { get; set; }
        public int ActiveSlot { get; set; }
        public string Crc { get; set; }
        public bool IsEncrypted { get; set; }
        public bool IsCompressed { get; set; }
        public long Timestamp { get; set; }
    }
}