From 33a4847a9cc580f84d4d5f9aefd1955015efbcc9 Mon Sep 17 00:00:00 2001
From: watano1168 <watano1168@gmail.com>
Date: Mon, 15 Jan 2024 01:17:42 +0900
Subject: [PATCH] =?UTF-8?q?Gacha:=2010=E9=80=A3=E3=82=AC=E3=83=81=E3=83=A3?=
 =?UTF-8?q?=E6=A9=9F=E8=83=BD=E3=81=AE=E5=AE=9F=E8=A3=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Common/MasterManager.cs         |  7 +++++++
 Common/RandomUtility.cs         |  5 +++++
 Events/GachaCommandPresenter.cs | 30 ++++++++++++++++++++++++++++++
 Events/RareReplyPresenter.cs    |  2 +-
 Triggers/DiscordTrigger.cs      |  7 +++++++
 5 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 Events/GachaCommandPresenter.cs

diff --git a/Common/MasterManager.cs b/Common/MasterManager.cs
index 88e2efe..ef8e629 100644
--- a/Common/MasterManager.cs
+++ b/Common/MasterManager.cs
@@ -43,4 +43,11 @@ public static class MasterManager
     };
 
     public static TimeSpan SilentTimeSpan => TimeSpan.FromMinutes(5);
+
+    public static IReadOnlyList<string> GachaTriggerMessages => new List<string>
+    {
+        "10連",
+        "ガチャ",
+        "おみくじ",
+    };
 }
\ No newline at end of file
diff --git a/Common/RandomUtility.cs b/Common/RandomUtility.cs
index 60264d3..1cd8f0d 100644
--- a/Common/RandomUtility.cs
+++ b/Common/RandomUtility.cs
@@ -13,4 +13,9 @@ public static float GetRandomFloat(float min, float max)
     {
         return (float)(min + (max - min) * Random.NextDouble());
     }
+
+    public static bool IsHit(float probability)
+    {
+        return GetRandomFloat(1f) <= probability;
+    }
 }
\ No newline at end of file
diff --git a/Events/GachaCommandPresenter.cs b/Events/GachaCommandPresenter.cs
new file mode 100644
index 0000000..5a46600
--- /dev/null
+++ b/Events/GachaCommandPresenter.cs
@@ -0,0 +1,30 @@
+using System.Text;
+using Approvers.King.Common;
+using Discord;
+
+namespace Approvers.King.Events;
+
+public class GachaCommandPresenter : DiscordMessagePresenterBase
+{
+    private const int PickCount = 10;
+
+    protected override async Task MainAsync()
+    {
+        var results = Enumerable.Range(0, PickCount).Select(_ => Pick());
+
+        var builder = new StringBuilder();
+        builder.AppendLine($"↓↓↓ いっそう{PickCount}連おみくじ ↓↓↓");
+        foreach (var result in results)
+        {
+            builder.AppendLine(result != null ? Discord.Format.Bold($"・{result}") : Discord.Format.Code("x"));
+        }
+
+        await Message.ReplyAsync(builder.ToString());
+    }
+
+    private static string? Pick()
+    {
+        if (RandomUtility.IsHit(MasterManager.ReplyRate) == false) return null;
+        return MessageUtility.PickRandomMessage();
+    }
+}
\ No newline at end of file
diff --git a/Events/RareReplyPresenter.cs b/Events/RareReplyPresenter.cs
index 8713cfd..32e86ed 100644
--- a/Events/RareReplyPresenter.cs
+++ b/Events/RareReplyPresenter.cs
@@ -8,7 +8,7 @@ public class RareReplyPresenter : DiscordMessagePresenterBase
     protected override async Task MainAsync()
     {
         if (SilentManager.IsSilent(Message.Author.Id) ||
-            RandomUtility.GetRandomFloat(1f) > MasterManager.ReplyRate) return;
+            RandomUtility.IsHit(MasterManager.ReplyRate) == false) return;
 
         await Task.Delay(TimeSpan.FromSeconds(RandomUtility.GetRandomFloat(MasterManager.ReplyMaxDelay)));
         using (Message.Channel.EnterTypingState())
diff --git a/Triggers/DiscordTrigger.cs b/Triggers/DiscordTrigger.cs
index 157821f..e641020 100644
--- a/Triggers/DiscordTrigger.cs
+++ b/Triggers/DiscordTrigger.cs
@@ -25,6 +25,13 @@ private static async Task OnMessageReceived(SocketMessage message)
                 return;
             }
 
+            if (MasterManager.GachaTriggerMessages.Any(userMessage.Content.Contains))
+            {
+                // 10連ガチャ
+                await DiscordManager.ExecuteAsync<GachaCommandPresenter>(userMessage);
+                return;
+            }
+
             // 返信
             await DiscordManager.ExecuteAsync<InteractReplyPresenter>(userMessage);
             return;