using UnityEngine;

namespace Ubisoft
{
    /// <summary>
    /// Base class for all HtPlayerPrefs implementations that need to persist data using UnityEngine.PlayerPrefs 
    /// </summary>
    public abstract class HtPlayerPrefs_Unity_Base : HtPlayerPrefs
    {
        private static bool s_needsToSave = false;

        internal HtPlayerPrefs_Unity_Base(string channel, HtLogger.Channel logger = null, bool isVerbose = false) : base(channel, logger, isVerbose) { }

        public override bool NeedsToSave
        {
            get { return base.NeedsToSave; }
            set
            {
                base.NeedsToSave = value;

                // ExtendedSave method in this class calls UnityEngine.PlayerPrefs.Save(), which stores all Unity PlayerPrefs regardless of which HtUnityPrefs instance needs to be saved.
                // We use a static property to make sure that PlayerPrefs.Save() will only get called once for all instances.
                if (value)
                {
                    s_needsToSave = true;
                }
            }
        }

        protected override void ExtendedSave()
        {
            if (s_needsToSave)
            {
                s_needsToSave = false;

                if (IsVerbose)
                {
                    Logger.LogTrace("UnityEngine.PlayerPrefs.Save()");
                }

                PlayerPrefs.Save();
            }
        }

        protected int BoolToInt(bool value)
        {
            return value ? 1 : 0;
        }

        protected bool IntToBool(int value)
        {
            return value == 1;
        }

        protected string LongToString(long value)
        {
            return value.ToString();
        }

        protected bool StringToLong(string key, string value, out long parsedValue)
        {
            if (!HtLong.TryParse(value, out parsedValue))
            {
                Logger.LogError($"Error parsing {Debug.FormatTextInUserContext(value)} for key {key}: Expected a long value.");
                return false;
            }

            return true;
        }
    }
}