From 923c17f1ae36ab7ed4666230282b303d70734f2e Mon Sep 17 00:00:00 2001
From: Sorab <sohorhab.azizdel@outlook.com>
Date: Fri, 3 Feb 2023 15:49:29 +1100
Subject: Add Game Icon for Discord RPC Connected to Yuzu Compatibility Page

---
 src/yuzu/CMakeLists.txt   |  2 +-
 src/yuzu/discord_impl.cpp | 67 ++++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 61 insertions(+), 8 deletions(-)

diff --git a/src/yuzu/CMakeLists.txt b/src/yuzu/CMakeLists.txt
index dfc675cc8..06d982d9b 100644
--- a/src/yuzu/CMakeLists.txt
+++ b/src/yuzu/CMakeLists.txt
@@ -353,7 +353,7 @@ if (USE_DISCORD_PRESENCE)
         discord_impl.cpp
         discord_impl.h
     )
-    target_link_libraries(yuzu PRIVATE DiscordRPC::discord-rpc)
+    target_link_libraries(yuzu PRIVATE DiscordRPC::discord-rpc httplib::httplib)
     target_compile_definitions(yuzu PRIVATE -DUSE_DISCORD_PRESENCE)
 endif()
 
diff --git a/src/yuzu/discord_impl.cpp b/src/yuzu/discord_impl.cpp
index c351e9b83..de0c307d4 100644
--- a/src/yuzu/discord_impl.cpp
+++ b/src/yuzu/discord_impl.cpp
@@ -4,7 +4,10 @@
 #include <chrono>
 #include <string>
 #include <discord_rpc.h>
+#include <fmt/format.h>
+#include <httplib.h>
 #include "common/common_types.h"
+#include "common/string_util.h"
 #include "core/core.h"
 #include "core/loader/loader.h"
 #include "yuzu/discord_impl.h"
@@ -14,7 +17,6 @@ namespace DiscordRPC {
 
 DiscordImpl::DiscordImpl(Core::System& system_) : system{system_} {
     DiscordEventHandlers handlers{};
-
     // The number is the client ID for yuzu, it's used for images and the
     // application name
     Discord_Initialize("712465656758665259", &handlers, 1, nullptr);
@@ -29,23 +31,74 @@ void DiscordImpl::Pause() {
     Discord_ClearPresence();
 }
 
+static std::string GetGameString(const std::string& title) {
+    // Convert to lowercase
+    std::string icon_name = Common::ToLower(title);
+
+    // Replace spaces with dashes
+    std::replace(icon_name.begin(), icon_name.end(), ' ', '-');
+
+    // Remove non-alphanumeric characters but keep dashes
+    std::erase_if(icon_name, [](char c) { return !std::isalnum(c) && c != '-'; });
+
+    // Remove dashes from the start and end of the string
+    icon_name.erase(icon_name.begin(), std::find_if(icon_name.begin(), icon_name.end(),
+                                                    [](int ch) { return ch != '-'; }));
+    icon_name.erase(
+        std::find_if(icon_name.rbegin(), icon_name.rend(), [](int ch) { return ch != '-'; }).base(),
+        icon_name.end());
+
+    // Remove double dashes
+    icon_name.erase(std::unique(icon_name.begin(), icon_name.end(),
+                                [](char a, char b) { return a == '-' && b == '-'; }),
+                    icon_name.end());
+
+    return icon_name;
+}
+
 void DiscordImpl::Update() {
     s64 start_time = std::chrono::duration_cast<std::chrono::seconds>(
                          std::chrono::system_clock::now().time_since_epoch())
                          .count();
+    const std::string default_text = "yuzu is an emulator for the Nintendo Switch";
+    const std::string default_image = "yuzu_logo";
+    std::string game_cover_url = "https://yuzu-emu.org";
     std::string title;
-    if (system.IsPoweredOn()) {
-        system.GetAppLoader().ReadTitle(title);
-    }
+
     DiscordRichPresence presence{};
-    presence.largeImageKey = "yuzu_logo";
-    presence.largeImageText = "yuzu is an emulator for the Nintendo Switch";
+
     if (system.IsPoweredOn()) {
+        system.GetAppLoader().ReadTitle(title);
+
+        // Used to format Icon URL for yuzu website game compatibility page
+        std::string icon_name = GetGameString(title);
+
+        // New Check for game cover
+        httplib::Client cli(game_cover_url);
+
+        if (auto res = cli.Head(fmt::format("/images/game/boxart/{}.png", icon_name).c_str())) {
+            if (res->status == 200) {
+                game_cover_url += fmt::format("/images/game/boxart/{}.png", icon_name);
+            } else {
+                game_cover_url = "yuzu_logo";
+            }
+        } else {
+            game_cover_url = "yuzu_logo";
+        }
+
+        presence.largeImageKey = game_cover_url.c_str();
+        presence.largeImageText = title.c_str();
+
+        presence.smallImageKey = default_image.c_str();
+        presence.smallImageText = default_text.c_str();
         presence.state = title.c_str();
         presence.details = "Currently in game";
     } else {
-        presence.details = "Not in game";
+        presence.largeImageKey = default_image.c_str();
+        presence.largeImageText = default_text.c_str();
+        presence.details = "Currently not in game";
     }
+
     presence.startTimestamp = start_time;
     Discord_UpdatePresence(&presence);
 }
-- 
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