using System.Collections.Generic;
using UnityEngine;

public static class RecentPlayHistoryStore
{
    private const string Category = "recent_play_history";
    private const string Key = "runs_v1";
    private const int MaxRecordCount = 100;
    private const string RecoverySlotKey = "recent_play_history_runs_v1";

    public static IReadOnlyList<RecentPlayRecord> GetRecords()
    {
        return LoadPayload().records;
    }

    public static void Push(RecentPlayRecord record)
    {
        if (record == null)
        {
            return;
        }

        var payload = LoadPayload();
        if (payload.records == null)
        {
            payload.records = new List<RecentPlayRecord>();
        }

        payload.records.Insert(0, record);
        if (payload.records.Count > MaxRecordCount)
        {
            payload.records.RemoveRange(MaxRecordCount, payload.records.Count - MaxRecordCount);
        }

        SecureSaveVault.SaveJson(Category, Key, payload);
        LocalRecoveryMirror.SaveJson(RecoverySlotKey, payload);
    }

    public static void Clear()
    {
        SecureSaveVault.Delete(Category, Key);
        LocalRecoveryMirror.DeleteSlot(RecoverySlotKey);
    }

    private static RecentPlayHistoryPayload LoadPayload()
    {
        RecentPlayHistoryPayload payload;
        if (!SecureSaveVault.TryLoadJson(Category, Key, out payload) || payload == null)
        {
            if (!LocalRecoveryMirror.TryLoadJson(RecoverySlotKey, out payload) || payload == null)
            {
                payload = new RecentPlayHistoryPayload();
            }
            else
            {
                SecureSaveVault.SaveJson(Category, Key, payload);
            }
        }

        if (payload.records == null)
        {
            payload.records = new List<RecentPlayRecord>();
        }

        return payload;
    }
}