Implement database system for application settings with auto-save and theme synchronization

KAST.Core/Services/ThemeService.cs

@@ -0,0 +1,64 @@
+using KAST.Data.Models;
+
+namespace KAST.Core.Services
+{
+    public class ThemeService
+    {
+        private readonly ConfigService _configService;
+        private bool _isDarkMode = false;
+
+        public event Action<bool>? OnThemeChanged;
+
+        public ThemeService(ConfigService configService)
+        {
+            _configService = configService;
+        }
+
+        public bool IsDarkMode => _isDarkMode;
+
+        public async Task InitializeAsync()
+        {
+            var config = await _configService.GetConfigAsync();
+            await UpdateThemeFromSettings(config.ThemeMode);
+        }
+
+        public async Task SetThemeModeAsync(string themeMode)
+        {
+            var config = await _configService.GetConfigAsync();
+            config.ThemeMode = themeMode;
+            await _configService.UpdateConfigAsync(config);
+            await UpdateThemeFromSettings(themeMode);
+        }
+
+        public async Task ToggleDarkModeAsync()
+        {
+            var newMode = _isDarkMode ? "light" : "dark";
+            await SetThemeModeAsync(newMode);
+        }
+
+        private async Task UpdateThemeFromSettings(string? themeMode)
+        {
+            bool newDarkMode = themeMode switch
+            {
+                "dark" => true,
+                "light" => false,
+                "auto" => await GetSystemPreferenceAsync(),
+                _ => false
+            };
+
+            if (_isDarkMode != newDarkMode)
+            {
+                _isDarkMode = newDarkMode;
+                OnThemeChanged?.Invoke(_isDarkMode);
+            }
+        }
+
+        private async Task<bool> GetSystemPreferenceAsync()
+        {
+            // For now, default to light mode for "auto"
+            // In a real implementation, this could detect system preference
+            await Task.CompletedTask;
+            return false;
+        }
+    }
+}

KAST.Data/Migrations/20250926081639_EnhanceSettingsModel.cs

@@ -0,0 +1,236 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace KAST.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class EnhanceSettingsModel : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ModProfiles");
+
+            migrationBuilder.DropTable(
+                name: "ProfileHistories");
+
+            migrationBuilder.DropTable(
+                name: "Mods");
+
+            migrationBuilder.DropTable(
+                name: "Profiles");
+
+            migrationBuilder.DropColumn(
+                name: "CreatedAt",
+                table: "Servers");
+
+            migrationBuilder.DropColumn(
+                name: "LastUpdated",
+                table: "Servers");
+
+            migrationBuilder.DropColumn(
+                name: "Version",
+                table: "Servers");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "CheckForUpdates",
+                table: "Settings",
+                type: "INTEGER",
+                nullable: true);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "DebugLogging",
+                table: "Settings",
+                type: "INTEGER",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Language",
+                table: "Settings",
+                type: "TEXT",
+                maxLength: 10,
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "ThemeMode",
+                table: "Settings",
+                type: "TEXT",
+                maxLength: 10,
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "CheckForUpdates",
+                table: "Settings");
+
+            migrationBuilder.DropColumn(
+                name: "DebugLogging",
+                table: "Settings");
+
+            migrationBuilder.DropColumn(
+                name: "Language",
+                table: "Settings");
+
+            migrationBuilder.DropColumn(
+                name: "ThemeMode",
+                table: "Settings");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "CreatedAt",
+                table: "Servers",
+                type: "TEXT",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "LastUpdated",
+                table: "Servers",
+                type: "TEXT",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.AddColumn<string>(
+                name: "Version",
+                table: "Servers",
+                type: "TEXT",
+                nullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "Mods",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
+                    Author = table.Column<string>(type: "TEXT", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    IsEnabled = table.Column<bool>(type: "INTEGER", nullable: false),
+                    IsLocal = table.Column<bool>(type: "INTEGER", nullable: false),
+                    LastUpdated = table.Column<DateTime>(type: "TEXT", nullable: true),
+                    Name = table.Column<string>(type: "TEXT", nullable: false),
+                    Path = table.Column<string>(type: "TEXT", nullable: false),
+                    SizeBytes = table.Column<long>(type: "INTEGER", nullable: false),
+                    SteamId = table.Column<string>(type: "TEXT", nullable: true),
+                    Version = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Mods", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Profiles",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ServerId = table.Column<Guid>(type: "TEXT", nullable: true),
+                    CommandLineArgs = table.Column<string>(type: "TEXT", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    Description = table.Column<string>(type: "TEXT", nullable: true),
+                    IsActive = table.Column<bool>(type: "INTEGER", nullable: false),
+                    LastModified = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    Name = table.Column<string>(type: "TEXT", maxLength: 255, nullable: false),
+                    PerformanceConfig = table.Column<string>(type: "TEXT", nullable: true),
+                    ServerConfig = table.Column<string>(type: "TEXT", nullable: true),
+                    ServerProfile = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Profiles", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Profiles_Servers_ServerId",
+                        column: x => x.ServerId,
+                        principalTable: "Servers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.SetNull);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ModProfiles",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ModId = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ProfileId = table.Column<Guid>(type: "TEXT", nullable: false),
+                    AddedAt = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    IsEnabled = table.Column<bool>(type: "INTEGER", nullable: false),
+                    Order = table.Column<int>(type: "INTEGER", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ModProfiles", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ModProfiles_Mods_ModId",
+                        column: x => x.ModId,
+                        principalTable: "Mods",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ModProfiles_Profiles_ProfileId",
+                        column: x => x.ProfileId,
+                        principalTable: "Profiles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProfileHistories",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ProfileId = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ChangeDescription = table.Column<string>(type: "TEXT", nullable: true),
+                    ChangedBy = table.Column<string>(type: "TEXT", nullable: true),
+                    CommandLineArgsSnapshot = table.Column<string>(type: "TEXT", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    ModsSnapshot = table.Column<string>(type: "TEXT", nullable: true),
+                    PerformanceConfigSnapshot = table.Column<string>(type: "TEXT", nullable: true),
+                    ServerConfigSnapshot = table.Column<string>(type: "TEXT", nullable: true),
+                    ServerProfileSnapshot = table.Column<string>(type: "TEXT", nullable: true),
+                    Version = table.Column<int>(type: "INTEGER", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProfileHistories", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProfileHistories_Profiles_ProfileId",
+                        column: x => x.ProfileId,
+                        principalTable: "Profiles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ModProfiles_ModId_ProfileId",
+                table: "ModProfiles",
+                columns: new[] { "ModId", "ProfileId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ModProfiles_ProfileId",
+                table: "ModProfiles",
+                column: "ProfileId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Mods_SteamId",
+                table: "Mods",
+                column: "SteamId",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProfileHistories_ProfileId_Version",
+                table: "ProfileHistories",
+                columns: new[] { "ProfileId", "Version" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Profiles_ServerId",
+                table: "Profiles",
+                column: "ServerId");
+        }
+    }
+}