path: root/src/SMAPI.Installer/InteractiveInstaller.cs

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using Microsoft.Win32;
using StardewModdingApi.Installer.Enums;
using StardewModdingAPI.Installer.Framework;
using StardewModdingAPI.Internal;
using StardewModdingAPI.Internal.ConsoleWriting;
using StardewModdingAPI.Toolkit;
using StardewModdingAPI.Toolkit.Framework.ModScanning;
using StardewModdingAPI.Toolkit.Utilities;
#if !SMAPI_FOR_WINDOWS
using System.Diagnostics;
#endif

namespace StardewModdingApi.Installer
{
    /// <summary>Interactively performs the install and uninstall logic.</summary>
    internal class InteractiveInstaller
    {
        /*********
        ** Fields
        *********/
        /// <summary>The absolute path to the directory containing the files to copy into the game folder.</summary>
        private readonly string BundlePath;

        /// <summary>The <see cref="Environment.OSVersion"/> value that represents Windows 7.</summary>
        private readonly Version Windows7Version = new Version(6, 1);

        /// <summary>The mod IDs which the installer should allow as bundled mods.</summary>
        private readonly string[] BundledModIDs = new[]
        {
            "SMAPI.SaveBackup",
            "SMAPI.ConsoleCommands"
        };

        /// <summary>The default file paths where Stardew Valley can be installed.</summary>
        /// <param name="platform">The target platform.</param>
        /// <remarks>Derived from the crossplatform mod config: https://github.com/Pathoschild/Stardew.ModBuildConfig. </remarks>
        private IEnumerable<string> GetDefaultInstallPaths(Platform platform)
        {
            switch (platform)
            {
                case Platform.Linux:
                case Platform.Mac:
                    {
                        string home = Environment.GetEnvironmentVariable("HOME");

                        // Linux
                        yield return $"{home}/GOG Games/Stardew Valley/game";
                        yield return Directory.Exists($"{home}/.steam/steam/steamapps/common/Stardew Valley")
                            ? $"{home}/.steam/steam/steamapps/common/Stardew Valley"
                            : $"{home}/.local/share/Steam/steamapps/common/Stardew Valley";

                        // Mac
                        yield return "/Applications/Stardew Valley.app/Contents/MacOS";
                        yield return $"{home}/Library/Application Support/Steam/steamapps/common/Stardew Valley/Contents/MacOS";
                    }
                    break;

                case Platform.Windows:
                    {
                        // Windows
                        foreach (string programFiles in new[] { @"C:\Program Files", @"C:\Program Files (x86)" })
                        {
                            yield return $@"{programFiles}\GalaxyClient\Games\Stardew Valley";
                            yield return $@"{programFiles}\GOG Galaxy\Games\Stardew Valley";
                            yield return $@"{programFiles}\Steam\steamapps\common\Stardew Valley";
                        }

                        // Windows registry
                        IDictionary<string, string> registryKeys = new Dictionary<string, string>
                        {
                            [@"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Steam App 413150"] = "InstallLocation", // Steam
                            [@"SOFTWARE\WOW6432Node\GOG.com\Games\1453375253"] = "PATH", // GOG on 64-bit Windows
                        };
                        foreach (var pair in registryKeys)
                        {
                            string path = this.GetLocalMachineRegistryValue(pair.Key, pair.Value);
                            if (!string.IsNullOrWhiteSpace(path))
                                yield return path;
                        }

                        // via Steam library path
                        string steampath = this.GetCurrentUserRegistryValue(@"Software\Valve\Steam", "SteamPath");
                        if (steampath != null)
                            yield return Path.Combine(steampath.Replace('/', '\\'), @"steamapps\common\Stardew Valley");
                    }
                    break;

                default:
                    throw new InvalidOperationException($"Unknown platform '{platform}'.");
            }
        }

        /// <summary>Get the absolute file or folder paths to remove when uninstalling SMAPI.</summary>
        /// <param name="installDir">The folder for Stardew Valley and SMAPI.</param>
        /// <param name="modsDir">The folder for SMAPI mods.</param>
        private IEnumerable<string> GetUninstallPaths(DirectoryInfo installDir, DirectoryInfo modsDir)
        {
            string GetInstallPath(string path) => Path.Combine(installDir.FullName, path);

            // current files
            yield return GetInstallPath("libgdiplus.dylib");           // Linux/Mac only
            yield return GetInstallPath("StardewModdingAPI");          // Linux/Mac only
            yield return GetInstallPath("StardewModdingAPI.exe");
            yield return GetInstallPath("StardewModdingAPI.exe.config");
            yield return GetInstallPath("StardewModdingAPI.exe.mdb");  // Linux/Mac only
            yield return GetInstallPath("StardewModdingAPI.pdb");      // Windows only
            yield return GetInstallPath("StardewModdingAPI.xml");
            yield return GetInstallPath("smapi-internal");

            // obsolete
            yield return GetInstallPath(Path.Combine("Mods", ".cache"));     // 1.3-1.4
            yield return GetInstallPath(Path.Combine("Mods", "TrainerMod")); // *–2.0 (renamed to ConsoleCommands)
            yield return GetInstallPath("Mono.Cecil.Rocks.dll");             // 1.3–1.8
            yield return GetInstallPath("StardewModdingAPI-settings.json");  // 1.0-1.4
            yield return GetInstallPath("StardewModdingAPI.AssemblyRewriters.dll"); // 1.3-2.5.5
            yield return GetInstallPath("0Harmony.dll");                    // moved in 2.8
            yield return GetInstallPath("0Harmony.pdb");                    // moved in 2.8
            yield return GetInstallPath("Mono.Cecil.dll");                  // moved in 2.8