using System;
using static PKHeX.Core.Gem8Version;

namespace PKHeX.Core;

/// <summary>
/// Indicates various <see cref="SAV8BS"/> revision values which change on each major patch update, updating the structure of the stored player save data.
/// </summary>
public enum Gem8Version
{
    None = 0,

    /// <summary>
    /// Initial cartridge version shipped.
    /// </summary>
    /// <remarks><see cref="SaveUtil.SIZE_G8BDSP_0"/></remarks>
    V1_0 = 0x25, // 37

    /// <summary>
    /// November 2021 pre-release patch.
    /// </summary>
    /// <remarks><see cref="SaveUtil.SIZE_G8BDSP_1"/></remarks>
    V1_1 = 0x2C, // 44

    /// <summary>
    /// February 2022 patch.
    /// </summary>
    /// <remarks><see cref="SaveUtil.SIZE_G8BDSP_2"/></remarks>
    V1_2 = 0x32, // 50

    /// <summary>
    /// March 2022 patch.
    /// </summary>
    /// <remarks><see cref="SaveUtil.SIZE_G8BDSP_3"/></remarks>
    V1_3 = 0x34, // 52
}

public static class Gem8VersionExtensions
{
    /// <summary>
    /// Returns a string to append to the savedata type info, indicating the revision of the player save data.
    /// </summary>
    /// <param name="version">Stored version value in the save data.</param>
    public static string GetSuffixString(this Gem8Version version) => version switch
    {
        V1_0 => "-1.0.0", // Launch Revision
        V1_1 => "-1.1.0", // 1.1.0
        V1_2 => "-1.2.0", // 1.2.0
        V1_3 => "-1.3.0", // 1.3.0
        _ => throw new ArgumentOutOfRangeException(nameof(version)),
    };
}