更新

Cardiopulmonarybypasssystems/Services/PasswordAccessService.cs

@@ -9,10 +9,10 @@ public sealed class PasswordAccessService : IPasswordAccessService
     private const int ExpirationReminderDays = 3;
     private const string SettingsDirectoryName = "Cardiopulmonarybypasssystems";
     private const string StatusFileName = "password-access.json";
-    public const string FirstStagePassword = "152026";
-    public const string SecondStagePassword = "302026";
-    private const int FirstStageDays = 15;
-    private const int SecondStageDays = 30;
+    public const string FirstStagePassword = "152026001";
+    public const string SecondStagePassword = "302026002";
+    private const int InitialAccessDays = 20;
+    private const int ExtendedAccessDays = 30;
 
     private static readonly string StatusFilePath = Path.Combine(
         Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
@@ -21,14 +21,14 @@ public sealed class PasswordAccessService : IPasswordAccessService
 
     public PasswordAccessStatus GetStatus()
     {
-        var state = LoadState();
+        var state = LoadOrCreateState();
         return BuildStatus(state, persistState: true);
     }
 
     public bool TryUnlock(string password, out PasswordAccessStatus status, out string message)
     {
         var normalizedPassword = password?.Trim() ?? string.Empty;
-        var state = LoadState();
+        var state = LoadOrCreateState();
         var currentStatus = BuildStatus(state, persistState: true);
 
         if (currentStatus.IsPermanent)
@@ -38,82 +38,81 @@ public sealed class PasswordAccessService : IPasswordAccessService
             return true;
         }
 
-        if (currentStatus.Stage == 1 && currentStatus.CanLaunch)
+        if (currentStatus.CanLaunch)
         {
             status = currentStatus;
-            message = "第 1 阶段仍在有效期内，无需再次输入密码。";
-            return true;
+            message = currentStatus.ShouldPromptAtStartup
+                ? $"当前仍在有效期内，可直接进入系统；满 {GetStageDays(currentStatus.Stage)} 天后再输入密码。"
+                : $"{GetStageName(currentStatus.Stage)}仍在有效期内，无需再次输入密码。";
+            return false;
         }
 
-        if (currentStatus.Stage == 2 && currentStatus.CanLaunch)
+        var expectedPassword = currentStatus.Stage switch
         {
-            status = currentStatus;
-            message = "第 2 阶段仍在有效期内，无需再次输入密码。";
-            return true;
-        }
-
-        var nextStage = currentStatus.Stage switch
-        {
-            <= 0 => 1,
-            1 => 2,
-            _ => 0
+            0 => FirstStagePassword,
+            1 => SecondStagePassword,
+            _ => string.Empty
         };
 
-        if (nextStage == 0)
-        {
-            status = BuildStatus(state, persistState: true);
-            message = "当前版本已转为永久有效，不再需要密码。";
-            return true;
-        }
-
-        var expectedPassword = nextStage == 1 ? FirstStagePassword : SecondStagePassword;
         if (!string.Equals(normalizedPassword, expectedPassword, StringComparison.Ordinal))
         {
             status = currentStatus;
-            message = $"密码错误，请输入第 {nextStage} 次时效密码。";
+            message = currentStatus.Stage switch
+            {
+                0 => "密码错误，请输入第 1 次时效密码。",
+                1 => "密码错误，请输入第 2 次时效密码。",
+                _ => "密码错误。"
+            };
             return false;
         }
 
         var now = DateTime.Now;
-        var expiresAt = now.AddDays(nextStage == 1 ? FirstStageDays : SecondStageDays);
+
+        if (currentStatus.Stage == 1)
+        {
+            var permanentState = new PasswordAccessState
+            {
+                Stage = 2,
+                ActivatedAt = state?.ActivatedAt ?? now,
+                ExpiresAt = null
+            };
+
+            SaveState(permanentState);
+            status = BuildStatus(permanentState, persistState: false);
+            message = "第 2 次密码验证通过，系统已永久有效。";
+            return true;
+        }
+
+        var expiresAt = now.AddDays(ExtendedAccessDays);
         var nextState = new PasswordAccessState
         {
-            Stage = nextStage,
+            Stage = 1,
             ActivatedAt = now,
             ExpiresAt = expiresAt
         };
 
         SaveState(nextState);
         status = BuildStatus(nextState, persistState: false);
-        message = nextStage == 1
-            ? $"第 1 次时效已生效，有效期至 {expiresAt:yyyy-MM-dd HH:mm}。"
-            : $"第 2 次时效已生效，有效期至 {expiresAt:yyyy-MM-dd HH:mm}；到期后自动转为永久有效。";
+        message = $"第 1 次密码验证通过，已继续开放 {ExtendedAccessDays} 天，有效期至 {expiresAt:yyyy-MM-dd HH:mm}。";
         return true;
     }
 
     private static PasswordAccessStatus BuildStatus(PasswordAccessState? state, bool persistState)
     {
-        if (state is null || state.Stage <= 0)
+        if (state is null)
         {
-            return new PasswordAccessStatus
+            state = CreateInitialState();
+            if (persistState)
             {
-                Stage = 0,
-                CanLaunch = false,
-                IsPermanent = false,
-                ShouldPromptAtStartup = true,
-                CanSubmitPassword = true,
-                StageText = "当前阶段：未开始",
-                StatusTitle = "需要输入第 1 次时效密码",
-                StatusDetail = $"输入 15 天密码后进入系统。",
-                RemainingDays = 0
-            };
+                SaveState(state);
+            }
         }
 
-        if (state.Stage >= 3)
+        if (state.Stage >= 2)
         {
             return new PasswordAccessStatus
             {
-                Stage = 3,
+                Stage = 2,
                 CanLaunch = true,
                 IsPermanent = true,
                 ShouldPromptAtStartup = false,
@@ -129,63 +128,96 @@ public sealed class PasswordAccessService : IPasswordAccessService
         if (state.ExpiresAt > now)
         {
             var remainingDays = Math.Max(1, (int)Math.Ceiling((state.ExpiresAt.Value - now).TotalDays));
+            var isReminderWindow = remainingDays <= ExpirationReminderDays;
+            var isInitialStage = state.Stage == 0;
             return new PasswordAccessStatus
             {
                 Stage = state.Stage,
                 CanLaunch = true,
                 IsPermanent = false,
-                ShouldPromptAtStartup = state.Stage == 1 && remainingDays <= ExpirationReminderDays,
-                CanSubmitPassword = state.Stage == 1 && remainingDays <= ExpirationReminderDays,
-                StageText = state.Stage == 1 ? "当前阶段：第 1 次时效（15 天）" : "当前阶段：第 2 次时效（30 天）",
-                StatusTitle = state.Stage == 1 && remainingDays <= ExpirationReminderDays ? "第 1 次时效即将到期" : "时效有效",
-                StatusDetail = state.Stage == 1 && remainingDays <= ExpirationReminderDays
-                    ? $"剩余 {remainingDays} 天，可提前输入 30 天密码。"
+                ShouldPromptAtStartup = isReminderWindow,
+                CanSubmitPassword = false,
+                StageText = isInitialStage ? $"当前阶段：首次使用（{InitialAccessDays} 天）" : $"当前阶段：第 1 次续期（{ExtendedAccessDays} 天）",
+                StatusTitle = isReminderWindow
+                    ? isInitialStage ? "首次使用即将到期" : "第 1 次续期即将到期"
+                    : "时效有效",
+                StatusDetail = isReminderWindow
+                    ? isInitialStage
+                        ? $"剩余 {remainingDays} 天，到期后需输入第 1 次时效密码。"
+                        : $"剩余 {remainingDays} 天，到期后需输入第 2 次时效密码。"
                     : $"当前可直接进入系统。",
                 RemainingDays = remainingDays,
                 ExpiresAt = state.ExpiresAt
             };
         }
 
-        if (state.Stage == 1)
+        if (state.Stage == 0)
         {
             return new PasswordAccessStatus
             {
-                Stage = 1,
+                Stage = 0,
                 CanLaunch = false,
                 IsPermanent = false,
                 ShouldPromptAtStartup = true,
                 CanSubmitPassword = true,
-                StageText = "当前阶段：第 1 次时效已到期",
-                StatusTitle = "需要输入第 2 次时效密码",
-                StatusDetail = $"输入 30 天密码后继续使用。",
+                StageText = "当前阶段：首次使用已到期",
+                StatusTitle = "需要输入第 1 次时效密码",
+                StatusDetail = $"输入密码后继续使用 {ExtendedAccessDays} 天。",
                 RemainingDays = 0,
                 ExpiresAt = state.ExpiresAt
             };
         }
 
-        var permanentState = new PasswordAccessState
-        {
-            Stage = 3,
-            ActivatedAt = state.ActivatedAt,
-            ExpiresAt = null
-        };
-
-        if (persistState)
-        {
-            SaveState(permanentState);
-        }
-
         return new PasswordAccessStatus
         {
-            Stage = 3,
-            CanLaunch = true,
-            IsPermanent = true,
-            ShouldPromptAtStartup = false,
-            CanSubmitPassword = false,
-            StageText = "当前阶段：永久有效",
-            StatusTitle = "系统已永久有效",
-            StatusDetail = "当前可直接进入系统。",
-            RemainingDays = int.MaxValue
+            Stage = 1,
+            CanLaunch = false,
+            IsPermanent = false,
+            ShouldPromptAtStartup = true,
+            CanSubmitPassword = true,
+            StageText = "当前阶段：第 1 次续期已到期",
+            StatusTitle = "需要输入第 2 次时效密码",
+            StatusDetail = "输入密码后系统转为永久有效。",
+            RemainingDays = 0,
+            ExpiresAt = state.ExpiresAt
+        };
+    }
+
+    private static int GetStageDays(int stage) => stage switch
+    {
+        0 => InitialAccessDays,
+        1 => ExtendedAccessDays,
+        _ => 0
+    };
+
+    private static string GetStageName(int stage) => stage switch
+    {
+        0 => "首次使用阶段",
+        1 => "第 1 次续期阶段",
+        _ => "当前阶段"
+    };
+
+    private static PasswordAccessState LoadOrCreateState()
+    {
+        var state = LoadState();
+        if (state is not null)
+        {
+            return state;
+        }
+
+        var initialState = CreateInitialState();
+        SaveState(initialState);
+        return initialState;
+    }
+
+    private static PasswordAccessState CreateInitialState()
+    {
+        var now = DateTime.Now;
+        return new PasswordAccessState
+        {
+            Stage = 0,
+            ActivatedAt = now,
+            ExpiresAt = now.AddDays(InitialAccessDays)
         };
     }