From e09b6658b297c8f23379382ea9a6f3af2986dc2f Mon Sep 17 00:00:00 2001
From: Kirill <mymail@mail.com>
Date: Fri, 28 Nov 2025 12:30:34 +0300
Subject: [PATCH] Bad variant of navigation handler (not working)

---
 modules/bot/front/src/handlers.cpp | 99 +++++++++++++++++++++++++-----
 1 file changed, 85 insertions(+), 14 deletions(-)

diff --git a/modules/bot/front/src/handlers.cpp b/modules/bot/front/src/handlers.cpp
index 4ae1040..977751e 100644
--- a/modules/bot/front/src/handlers.cpp
+++ b/modules/bot/front/src/handlers.cpp
@@ -32,22 +32,41 @@ HandlerResult BotHandlers::returnMyTitles(int64_t userId) {
 }
 
 void BotHandlers::handleNavigation(TgBot::CallbackQuery::Ptr query) {
+    int64_t userId = query->from->id;
+    auto it = userContexts.find(userId);
+    if (it == userContexts.end()) {
+        botApi.sendMessage(query->message->chat->id, BotConstants::Text::SAD_ERROR);
+        return;
+    }
+
+    UserContext& ctx = it->second;
     const std::string& data = query->data;
-    if (data == BotConstants::Callback::MY_TITLES) {
-        auto [text, kb] = BotHandlers::returnMyTitles(321);
-        botApi.editMessageText(
-            text,
-            query->message->chat->id,
-            query->message->messageId,
-            "",
-            "",
-            nullptr,
-            kb
-        );
-    }
-    else {
-        botApi.sendMessage(query->message->chat->id, BotConstants::Text::SAD_ERROR, nullptr, nullptr);
+
+    //HandlerResult response;
+    //UserContext newCtx;
+
+    auto [response, newCtx] = newStateNavigation(query, ctx);
+    switch (ctx.state) {
+        case UserState::VIEWING_MY_TITLES:
+            response = BotHandlers::returnMyTitles(ctx.cursor);
+            break;
+        case UserState::VIEWING_REVIEW_LIST:
+            response = BotHandlers::returnReviewList(ctx.cursor);
+            break;
+        default:
+            botApi.sendMessage(query->message->chat->id, BotConstants::Text::SAD_ERROR);
+            return;
     }
+
+    botApi.editMessageText(
+        response.message,
+        query->message->chat->id,
+        query->message->messageId,
+        "",
+        "",
+        nullptr,
+        response.keyboard
+    );
 }
 
 void BotHandlers::handleMessage(TgBot::Message::Ptr message) {
@@ -65,3 +84,55 @@ void BotHandlers::processCallbackImpl(TgBot::CallbackQuery::Ptr query) {
         botApi.sendMessage(query->message->chat->id, BotConstants::Text::SAD_ERROR, nullptr, nullptr);
     }
 }
+
+std::pair<HandlerResult, UserContext> BotHandlers::newStateNavigation(const TgBot::CallbackQuery::Ptr& query, const UserContext& ctx) {
+    const std::string& data = query->data;
+    switch (ctx.state) {
+        case UserState::MAIN_MENU:
+            if(data == BotConstants::Callback::MY_TITLES) {
+                UserContext newCtx{.state = UserState::VIEWING_MY_TITLES, .cursor = BotConstants::CURSOR_NOT_INIT};
+                HandlerResult result = returnMyTitles(query->from->id);
+
+                return {result, newCtx};
+            }
+        case UserState::VIEWING_MY_TITLES:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+            else if (data == BotConstants::Callback::LIST_NEXT) {
+
+            }
+        case UserState::AWAITING_TITLE_NAME:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+        case UserState::VIEWING_TITLE_PAGE:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+        case UserState::AWAITING_REVIEW:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+        case UserState::VIEWING_REVIEW_LIST:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+            else if (data == BotConstants::Callback::LIST_NEXT) {
+
+            }
+        case UserState::VIEWING_REVIEW:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+        case UserState::VIEWING_DESCRIPTION:
+            if(data == BotConstants::Callback::LIST_PREV) {
+
+            }
+        default:
+            UserContext newCtx{.state = UserState::ERROR, .cursor = BotConstants::CURSOR_NOT_INIT};
+            HandlerResult result = {"", nullptr};
+
+            return {result, newCtx};
+    }
+}