diff --git a/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml b/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml
new file mode 100644
index 0000000..371a99c
--- /dev/null
+++ b/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelStore">
+    <e p="$USER_HOME$/.Rider2017.3/system/resharper-host/local/Transient/ReSharperHost/v11/SolutionCaches/_TelegramRemindMe.906015204.00" t="ExcludeRecursive" />
+    <e p="$PROJECT_DIR$" t="IncludeRecursive">
+      <e p="ChatEntry.cs" t="Include" />
+      <e p="ReminderBot.cs" t="Include" />
+      <e p="TelegramRemindMe.csproj" t="IncludeRecursive" />
+      <e p="TelegramRemindMe.sln" t="IncludeFlat" />
+      <e p="bin" t="ExcludeRecursive" />
+      <e p="obj" t="ExcludeRecursive">
+        <e p="Debug" t="Include">
+          <e p="netcoreapp2.0" t="Include">
+            <e p="TelegramRemindMe.AssemblyInfo.cs" t="Include" />
+          </e>
+        </e>
+      </e>
+      <e p="packages" t="ExcludeRecursive" />
+    </e>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml b/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml
new file mode 100644
index 0000000..f1feadf
--- /dev/null
+++ b/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelUserStore">
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/modules.xml b/.idea/.idea.TelegramRemindMe/.idea/modules.xml
new file mode 100644
index 0000000..2326cb0
--- /dev/null
+++ b/.idea/.idea.TelegramRemindMe/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/riderModule.iml" filepath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/riderModule.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/vcs.xml b/.idea/.idea.TelegramRemindMe/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/.idea.TelegramRemindMe/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/workspace.xml b/.idea/.idea.TelegramRemindMe/.idea/workspace.xml
new file mode 100644
index 0000000..bfd1d55
--- /dev/null
+++ b/.idea/.idea.TelegramRemindMe/.idea/workspace.xml
@@ -0,0 +1,398 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="e84d6f8d-d18c-4b5e-b283-5588f0c5d8fe" name="Default" comment="">
+      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml" />
+      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml" />
+      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/modules.xml" />
+      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/vcs.xml" />
+      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/riderModule.iml" />
+      <change beforePath="" afterPath="$PROJECT_DIR$/ChatEntry.cs" />
+      <change beforePath="$PROJECT_DIR$/Program.cs" afterPath="$PROJECT_DIR$/ReminderBot.cs" />
+      <change beforePath="$PROJECT_DIR$/TelegramRemindMe.csproj" afterPath="$PROJECT_DIR$/TelegramRemindMe.csproj" />
+    </list>
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="675">
+      <file leaf-file-name="ReminderBot.cs" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/ReminderBot.cs">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="306">
+              <caret line="193" column="13" lean-forward="true" selection-start-line="193" selection-start-column="13" selection-end-line="193" selection-end-column="13" />
+              <folding>
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+                <marker date="1518030794924" expanded="true" signature="9297:9509" ph="{...}" />
+                <marker date="1518030794924" expanded="true" signature="9626:9842" ph="{...}" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>received action</find>
+      <find>successfi</find>
+      <find>list task</find>
+      <find>reminders</find>
+      <find>delete</find>
+      <find>success</find>
+      <find>task added succ</find>
+      <find>Set a task as completed</find>
+      <find>foreach</find>
+      <find>isworkingm</find>
+      <find>complete</find>
+      <find>invalid inp</find>
+      <find>== 0</find>
+      <find>set a task</find>
+      <find>5000</find>
+      <find>doo</find>
+    </findStrings>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="HighlightingSettingsPerFile">
+    <setting file="file://$PROJECT_DIR$/ChatEntry.cs" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/ReminderBot.cs" root0="FORCE_HIGHLIGHTING" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/Program.cs" />
+        <option value="$PROJECT_DIR$/User.cs" />
+        <option value="$PROJECT_DIR$/Task.cs" />
+        <option value="$PROJECT_DIR$/TaskList.cs" />
+        <option value="$PROJECT_DIR$/Chat.cs" />
+        <option value="$PROJECT_DIR$/ChatItem.cs" />
+        <option value="$PROJECT_DIR$/Emoji.cs" />
+        <option value="$PROJECT_DIR$/ChatEntry.cs" />
+        <option value="$PROJECT_DIR$/ReminderBot.cs" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="1540" />
+    <option name="y" value="57" />
+    <option name="width" value="1400" />
+    <option name="height" value="1000" />
+  </component>
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
+  <component name="ProjectView">
+    <navigator currentView="SolutionExplorer" proportions="" version="1">
+      <flattenPackages />
+      <showMembers />
+      <showModules />
+      <showLibraryContents />
+      <hideEmptyPackages />
+      <abbreviatePackageNames />
+      <autoscrollToSource />
+      <autoscrollFromSource />
+      <sortByType />
+      <manualOrder />
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="Scratches" />
+      <pane id="SolutionExplorer">
+        <subPane>
+          <expand>
+            <path>
+              <item name="" type="13324e5d:SolutionExplorerViewPane$ProjectViewPaneTreeStructure$createRoot$1" />
+              <item name="TelegramRemindMe (1 project)" type="977d5f41:SolutionExplorerNodeRider" />
+            </path>
+            <path>
+              <item name="" type="13324e5d:SolutionExplorerViewPane$ProjectViewPaneTreeStructure$createRoot$1" />
+              <item name="TelegramRemindMe (1 project)" type="977d5f41:SolutionExplorerNodeRider" />
+              <item name="TelegramRemindMe" type="977d5f41:SolutionExplorerNodeRider" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+        <option name="show-file-system" value="false" />
+        <option name="show-all-items" value="false" />
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="settings.editor.selected.configurable" value="reference.settingsdialog.IDE.editor.colors.Color Scheme Font" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration name="Default" type="DotNetProject" factoryName=".NET Project">
+      <option name="EXE_PATH" value="$PROJECT_DIR$/bin/Debug/netcoreapp2.0/TelegramRemindMe.dll" />
+      <option name="PROGRAM_PARAMETERS" value="" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <option name="PASS_PARENT_ENVS" value="1" />
+      <envs>
+        <env name="ASPNETCORE_ENVIRONMENT" value="Development" />
+        <env name="ASPNETCORE_URLS" value="http://localhost:5000" />
+      </envs>
+      <option name="USE_MONO" value="0" />
+      <option name="USE_EXTERNAL_CONSOLE" value="0" />
+      <option name="PROJECT_PATH" value="$PROJECT_DIR$/TelegramRemindMe.csproj" />
+      <option name="PROJECT_EXE_PATH_TRACKING" value="1" />
+      <option name="PROJECT_ARGUMENTS_TRACKING" value="1" />
+      <option name="PROJECT_WORKING_DIRECTORY_TRACKING" value="1" />
+      <option name="PROJECT_KIND" value="DotNetCore" />
+      <option name="PROJECT_TFM" value=".NETCoreApp,Version=v2.0" />
+      <browser url="http://localhost:5000" />
+    </configuration>
+  </component>
+  <component name="ShelveChangesManager" show_recycled="false">
+    <option name="remove_strategy" value="false" />
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="e84d6f8d-d18c-4b5e-b283-5588f0c5d8fe" name="Default" comment="" />
+      <created>1518017570500</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1518017570500</updated>
+      <workItem from="1518017573234" duration="768000" />
+      <workItem from="1518018367402" duration="24000" />
+      <workItem from="1518018476844" duration="10188000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="10980000" />
+  </component>
+  <component name="TodoView">
+    <todo-panel id="selected-file">
+      <is-autoscroll-to-source value="true" />
+    </todo-panel>
+    <todo-panel id="all">
+      <are-packages-shown value="true" />
+      <is-autoscroll-to-source value="true" />
+    </todo-panel>
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="1280" y="34" width="1920" height="1046" extended-state="6" />
+    <layout>
+      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
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+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager />
+    <watches-manager />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/ReminderBot.cs">
+      <provider selected="true" editor-type-id="text-editor">
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+          <caret line="37" column="7" lean-forward="false" selection-start-line="37" selection-start-column="7" selection-end-line="37" selection-end-column="7" />
+          <folding>
+            <marker date="1518030794924" expanded="false" signature="6:257" ph="..." />
+            <marker date="1518030794924" expanded="true" signature="285:9850" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="323:9848" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="584:1223" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="778:901" ph="/* Bot.OnInlineQuery += BotOnInlineQueryReceived; ... */" />
+            <marker date="1518030794924" expanded="true" signature="1329:3920" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="1768:2958" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="2183:2675" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="2715:2846" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="3012:3910" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="4056:7262" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="4636:7252" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="5351:5459" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7350:9519" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7437:7855" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7477:7660" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7700:7841" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8262:8488" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8329:8474" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8505:8732" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8597:8718" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8854:9280" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="9297:9509" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="9626:9842" ph="{...}" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/Task.cs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="38">
+          <caret line="2" column="29" lean-forward="false" selection-start-line="2" selection-start-column="29" selection-end-line="2" selection-end-column="29" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/TaskList.cs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="76">
+          <caret line="4" column="4" lean-forward="false" selection-start-line="4" selection-start-column="4" selection-end-line="4" selection-end-column="4" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/Emoji.cs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="34">
+          <caret line="2" column="29" lean-forward="false" selection-start-line="2" selection-start-column="29" selection-end-line="2" selection-end-column="29" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/ChatEntry.cs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="170">
+          <caret line="11" column="56" lean-forward="false" selection-start-line="11" selection-start-column="56" selection-end-line="11" selection-end-column="56" />
+          <folding>
+            <marker date="1518029985375" expanded="true" signature="61:893" ph="{...}" />
+            <marker date="1518029985375" expanded="true" signature="90:554" ph="{...}" />
+            <marker date="1518029985375" expanded="true" signature="499:548" ph="{...}" />
+            <marker date="1518029985375" expanded="true" signature="586:666" ph="{...}" />
+            <marker date="1518029985375" expanded="true" signature="694:891" ph="{...}" />
+            <marker date="1518029985375" expanded="true" signature="838:885" ph="{...}" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/ReminderBot.cs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="306">
+          <caret line="193" column="13" lean-forward="true" selection-start-line="193" selection-start-column="13" selection-end-line="193" selection-end-column="13" />
+          <folding>
+            <marker date="1518030794924" expanded="false" signature="6:257" ph="..." />
+            <marker date="1518030794924" expanded="true" signature="285:9850" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="323:9848" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="584:1223" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="778:901" ph="/* Bot.OnInlineQuery += BotOnInlineQueryReceived; ... */" />
+            <marker date="1518030794924" expanded="true" signature="1329:3920" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="1768:2958" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="2183:2675" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="2715:2846" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="3012:3910" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="4056:7262" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="4636:7252" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="5351:5459" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7350:9519" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7437:7855" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7477:7660" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="7700:7841" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8262:8488" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8329:8474" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8505:8732" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8597:8718" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="8854:9280" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="9297:9509" ph="{...}" />
+            <marker date="1518030794924" expanded="true" signature="9626:9842" ph="{...}" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/riderModule.iml b/.idea/.idea.TelegramRemindMe/riderModule.iml
new file mode 100644
index 0000000..1a4e0d9
--- /dev/null
+++ b/.idea/.idea.TelegramRemindMe/riderModule.iml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="RIDER_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$/../.." />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/ChatEntry.cs b/ChatEntry.cs
new file mode 100644
index 0000000..49648b8
--- /dev/null
+++ b/ChatEntry.cs
@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+
+namespace TelegramRemindMe
+{
+    public class ChatEntry
+    {
+        public long ChatId { get; }
+        public List<TaskEntry> _tasklist { get; set; } = new List<TaskEntry>();
+        public ChatStatusEnum status { get; set; } = ChatStatusEnum.Idle;
+        public bool IsWorkingMessage { get; set; } = false;
+        public int WorkingMsg { get; set; } = 0;
+        public bool AllTasksShown { get; set; } = false;
+        
+        public ChatEntry(long chatId)
+        {
+            ChatId = chatId;
+        }
+    }
+
+    public enum ChatStatusEnum
+    {
+        Idle,
+        WaitingTaskTitle,
+        WaitingTaskComplete
+    }
+
+    public class TaskEntry
+    {
+        public bool Completed { get; set; } = false;
+        public string Title { get; }
+        
+        public TaskEntry(string title)
+        {
+            Title = title;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
deleted file mode 100644
index 428b829..0000000
--- a/Program.cs
+++ /dev/null
@@ -1,200 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Telegram.Bot;
-using Telegram.Bot.Args;
-using Telegram.Bot.Types;
-using Telegram.Bot.Types.Enums;
-using Telegram.Bot.Types.InlineQueryResults;
-using Telegram.Bot.Types.ReplyMarkups;
-
-namespace TelegramRemindMe
-{
-    public static class Program
-    {
-        //TODO: multiuser uwu
-        private static bool isAddingTask = false;
-        private static List<string> tasks = new List<string>();
-        private static readonly TelegramBotClient Bot = new TelegramBotClient("511835815:AAHewCgiXep58wF6tDWIW133LhfqjCbb8c4");
-
-        public static void Main(string[] args)
-        {
-            Bot.OnMessage += BotOnMessageReceived;
-            Bot.OnMessageEdited += BotOnMessageReceived;
-            Bot.OnCallbackQuery += BotOnCallbackQueryReceived;
-            Bot.OnInlineQuery += BotOnInlineQueryReceived;
-            Bot.OnInlineResultChosen += BotOnChosenInlineResultReceived;
-            Bot.OnReceiveError += BotOnReceiveError;
-
-            var me = Bot.GetMeAsync().Result;
-
-            Console.Title = me.Username;
-
-            Bot.StartReceiving();
-            Console.WriteLine($"Start listening for @{me.Username}");
-            Console.ReadLine();
-            Bot.StopReceiving();
-        }
-
-        private static async void BotOnMessageReceived(object sender, MessageEventArgs messageEventArgs)
-        {
-            var message = messageEventArgs.Message;
-
-            if (message == null || message.Type != MessageType.Text) return;
-
-            //IReplyMarkup keyboard = new ReplyKeyboardRemove();
-
-            var actionKeyboard = new InlineKeyboardMarkup(new[]
-            {
-                new []
-                {
-                    InlineKeyboardButton.WithCallbackData("Add a new task"),
-                    InlineKeyboardButton.WithCallbackData("List tasks"),
-                },
-                new []
-                {
-                    InlineKeyboardButton.WithCallbackData("Add a new reminder"),
-                    InlineKeyboardButton.WithCallbackData("List reminders"),
-                }
-            });
-            
-            switch (message.Text.Split(' ').First())
-            {
-                case "/start":
-                case "/do":
-                case "/actions":
-                case "/help":
-                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.Typing);
-                    //await Task.Delay(500);
-                    await Bot.SendTextMessageAsync(
-                        message.Chat.Id,
-                        "What do you want me to do?",
-                        replyMarkup: actionKeyboard);
-                    break;
-                
-                case "/echo":
-                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.RecordVideoNote);
-                    await Task.Delay(500);
-                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.UploadDocument);
-                    await Task.Delay(500);
-                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.RecordAudio);
-                    await Task.Delay(500);
-                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.Typing);
-                    await Task.Delay(500);
-                    await Bot.SendTextMessageAsync(
-                        message.Chat.Id,
-                        "MEOW" + message.Text.Substring(5));
-                    break;
-                default:
-                    if (isAddingTask)
-                    {
-                        tasks.Add(message.Text);
-                        await Bot.SendTextMessageAsync(
-                            message.Chat.Id,
-                            "Added. Anything else?",
-                            replyMarkup: actionKeyboard);
-                    }
-
-                    break;
-            }
-        }
-
-        private static async void BotOnCallbackQueryReceived(object sender, CallbackQueryEventArgs callbackQueryEventArgs)
-        {
-            Console.WriteLine($"Received action request: {callbackQueryEventArgs.CallbackQuery.Data}");
-            
-            switch (callbackQueryEventArgs.CallbackQuery.Data)
-            {
-                case "Add a new task":
-                    await Bot.EditMessageTextAsync(
-                        new  ChatId(callbackQueryEventArgs.CallbackQuery.Message.Chat.Id),
-                        callbackQueryEventArgs.CallbackQuery.Message.MessageId,
-                        "Which task should I add?"
-                    );
-                    isAddingTask = true;
-                    break;
-                case "List tasks":
-                    var sb = new StringBuilder();
-                    sb.AppendLine("Your tasks:");
-                    foreach (var task in tasks)
-                    {
-                        sb.Append("[ ] ");
-                        sb.AppendLine(task);
-                    }
-
-                    await Bot.EditMessageTextAsync(
-                        new ChatId(callbackQueryEventArgs.CallbackQuery.Message.Chat.Id),
-                        callbackQueryEventArgs.CallbackQuery.Message.MessageId,
-                        sb.ToString()
-                    );
-                    break;
-                default:
-                    Console.WriteLine("Wat (Unknown callback action)");
-                    await Bot.AnswerCallbackQueryAsync(
-                        callbackQueryEventArgs.CallbackQuery.Id,
-                        "Wat");
-                    break;
-            }
-            
-            
-            
-            //await Bot.AnswerCallbackQueryAsync(
-            //    callbackQueryEventArgs.CallbackQuery.Id,
-            //    $"Received {callbackQueryEventArgs.CallbackQuery.Data}");
-        }
-
-        private static async void BotOnInlineQueryReceived(object sender, InlineQueryEventArgs inlineQueryEventArgs)
-        {
-            Console.WriteLine($"Received inline query from: {inlineQueryEventArgs.InlineQuery.From.Id}");
-
-            InlineQueryResultBase[] results = {
-                new InlineQueryResultLocation
-                {
-                    Id = "1",
-                    Latitude = 40.7058316f, // displayed result
-                    Longitude = -74.2581888f,
-                    Title = "New York",
-                    InputMessageContent = new InputLocationMessageContent // message if result is selected
-                    {
-                        Latitude = 40.7058316f,
-                        Longitude = -74.2581888f,
-                    }
-                },
-
-                new InlineQueryResultLocation
-                {
-                    Id = "2",
-                    Longitude = 52.507629f, // displayed result
-                    Latitude = 13.1449577f,
-                    Title = "Berlin",
-                    InputMessageContent = new InputLocationMessageContent // message if result is selected
-                    {
-                        Longitude = 52.507629f,
-                        Latitude = 13.1449577f
-                    }
-                }
-            };
-
-            await Bot.AnswerInlineQueryAsync(
-                inlineQueryEventArgs.InlineQuery.Id,
-                results,
-                isPersonal: true,
-                cacheTime: 0);
-        }
-
-        private static void BotOnChosenInlineResultReceived(object sender, ChosenInlineResultEventArgs chosenInlineResultEventArgs)
-        {
-            Console.WriteLine($"Received inline result: {chosenInlineResultEventArgs.ChosenInlineResult.ResultId}");
-        }
-
-        private static void BotOnReceiveError(object sender, ReceiveErrorEventArgs receiveErrorEventArgs)
-        {
-            Console.WriteLine("Received error: {0} — {1}",
-                receiveErrorEventArgs.ApiRequestException.ErrorCode,
-                receiveErrorEventArgs.ApiRequestException.Message);
-        }
-    }
-}
diff --git a/ReminderBot.cs b/ReminderBot.cs
new file mode 100644
index 0000000..6fd672e
--- /dev/null
+++ b/ReminderBot.cs
@@ -0,0 +1,232 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Telegram.Bot;
+using Telegram.Bot.Args;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+using Telegram.Bot.Types.ReplyMarkups;
+
+namespace TelegramRemindMe
+{
+    public static class ReminderBot
+    {
+        private static readonly List<ChatEntry> Chats = new List<ChatEntry>();
+
+        private static readonly TelegramBotClient Bot =
+            new TelegramBotClient("511835815:AAHewCgiXep58wF6tDWIW133LhfqjCbb8c4");
+
+        public static void Main()
+        {
+            Bot.OnMessage += BotOnMessageReceived;
+            Bot.OnMessageEdited += BotOnMessageReceived;
+            Bot.OnCallbackQuery += BotOnCallbackQueryReceived;
+            //Bot.OnInlineQuery += BotOnInlineQueryReceived;
+            //Bot.OnInlineResultChosen += BotOnChosenInlineResultReceived;
+            Bot.OnReceiveError += BotOnReceiveError;
+
+            var me = Bot.GetMeAsync().Result;
+
+            Console.Title = me.Username;
+
+            Bot.StartReceiving();
+            Console.WriteLine($"Start listening for @{me.Username}");
+            Console.ReadLine();
+            Bot.StopReceiving();
+        }
+
+        private static async void BotOnMessageReceived(object sender, MessageEventArgs messageEventArgs)
+        {
+            var message = messageEventArgs.Message;
+
+            if (message == null || message.Type != MessageType.Text) return;
+
+            if (Chats.Find(e => e.ChatId == messageEventArgs.Message.Chat.Id) == null)
+                Chats.Add(new ChatEntry(messageEventArgs.Message.Chat.Id));
+
+            var currentChat = Chats.Find(e => e.ChatId == messageEventArgs.Message.Chat.Id);
+
+            switch (currentChat.status)
+            {
+                case ChatStatusEnum.WaitingTaskTitle:
+                    currentChat._tasklist.Add(new TaskEntry(message.Text));
+                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.Typing);
+                    SendOverview(currentChat, "Task added successfully!");
+                    return;
+                case ChatStatusEnum.WaitingTaskComplete:
+                    try
+                    {
+                        var completedItem = int.Parse(message.Text);
+                        if (completedItem < 1 || completedItem > currentChat._tasklist.Count(p => !p.Completed))
+                            throw new ArgumentOutOfRangeException();
+
+                        currentChat._tasklist.FindAll(p => !p.Completed)[completedItem - 1].Completed = true;
+                        SendOverview(currentChat, "Task has been set as completed.");
+                    }
+                    catch (Exception e)
+                    {
+                        SendOverview(currentChat, $"🛑 Invalid input! [{e.Message}]");
+                    }
+
+                    return;
+                case ChatStatusEnum.Idle:
+                    break;
+            }
+
+            switch (message.Text.Split(' ').First())
+            {
+                default:
+                    SendOverview(currentChat);
+                    break;
+
+                case "/echo":
+                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.RecordVideoNote);
+                    await Task.Delay(500);
+                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.UploadDocument);
+                    await Task.Delay(500);
+                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.RecordAudio);
+                    await Task.Delay(500);
+                    await Bot.SendChatActionAsync(message.Chat.Id, ChatAction.Typing);
+                    await Task.Delay(500);
+                    await Bot.SendTextMessageAsync(
+                        message.Chat.Id,
+                        "MEOW, you woke me up!" + message.Text.Substring(5));
+                    break;
+            }
+        }
+
+        private static async void BotOnCallbackQueryReceived(object sender,
+            CallbackQueryEventArgs callbackQueryEventArgs)
+        {
+            Console.WriteLine(
+                $"Received action request from @{callbackQueryEventArgs.CallbackQuery.Message.Chat.Username}: {callbackQueryEventArgs.CallbackQuery.Data}");
+
+            if (Chats.Find(e => e.ChatId == callbackQueryEventArgs.CallbackQuery.Message.Chat.Id) == null)
+                Chats.Add(new ChatEntry(callbackQueryEventArgs.CallbackQuery.Message.Chat.Id));
+
+            var currentChat = Chats.Find(e => e.ChatId == callbackQueryEventArgs.CallbackQuery.Message.Chat.Id);
+
+            switch (callbackQueryEventArgs.CallbackQuery.Data)
+            {
+                case "Add a new task":
+                    currentChat.IsWorkingMessage = true;
+                    currentChat.WorkingMsg = Bot.EditMessageTextAsync(
+                        new ChatId(currentChat.ChatId), callbackQueryEventArgs.CallbackQuery.Message.MessageId,
+                        "How should your new task be called?"
+                    ).Result.MessageId;
+                    currentChat.status = ChatStatusEnum.WaitingTaskTitle;
+                    break;
+                case "Set a task as completed":
+                    var sb = new StringBuilder();
+                    var i = 0;
+                    foreach (var entry in currentChat._tasklist.Where(p => !p.Completed))
+                    {
+                        sb.AppendLine($"{++i}) {entry.Title}");
+                    }
+
+                    sb.AppendLine();
+                    sb.AppendLine("Send me the number of the task you want to complete.");
+
+                    currentChat.IsWorkingMessage = true;
+                    currentChat.WorkingMsg =
+                        Bot.EditMessageTextAsync(currentChat.ChatId,
+                            callbackQueryEventArgs.CallbackQuery.Message.MessageId, sb.ToString()).Result.MessageId;
+                    currentChat.status = ChatStatusEnum.WaitingTaskComplete;
+                    break;
+                case "Show all tasks":
+                    currentChat.AllTasksShown = true;
+                    currentChat.IsWorkingMessage = true;
+                    currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;
+                    SendOverview(currentChat);
+                    currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;Bot.AnswerCallbackQueryAsync(callbackQueryEventArgs.CallbackQuery.Id, "Showing all tasks");
+                    break;
+                case "Hide completed tasks":
+                    currentChat.AllTasksShown = false;
+                    currentChat.IsWorkingMessage = true;
+                    currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;
+                    SendOverview(currentChat);
+                    await Bot.AnswerCallbackQueryAsync(callbackQueryEventArgs.CallbackQuery.Id, "Showing only uncompleted tasks");
+                    break;
+                default:
+                    Console.WriteLine("Wat (Unknown callback action)");
+                    await Bot.AnswerCallbackQueryAsync(
+                        callbackQueryEventArgs.CallbackQuery.Id,
+                        "Wat");
+                    break;
+            }
+        }
+
+        private static async void SendOverview(ChatEntry chat, string prefixLine = "")
+        {
+            var actionKeyboard = new InlineKeyboardMarkup(new[]
+            {
+                new[]
+                {
+                    InlineKeyboardButton.WithCallbackData("Add a new task"),
+                    InlineKeyboardButton.WithCallbackData("Set a task as completed"), 
+                },
+                new[]
+                {
+                    InlineKeyboardButton.WithCallbackData(chat.AllTasksShown ? "Hide completed tasks" : "Show all tasks")
+                }
+            });
+
+            await Bot.SendChatActionAsync(chat.ChatId, ChatAction.Typing);
+
+            if (chat.IsWorkingMessage)
+                await Bot.DeleteMessageAsync(chat.ChatId, chat.WorkingMsg);
+
+            chat.IsWorkingMessage = false;
+            chat.status = ChatStatusEnum.Idle;
+
+            var sb = new StringBuilder();
+            sb.AppendLine("Your tasks:");
+
+            if (chat.AllTasksShown)
+            {
+                foreach (var task in chat._tasklist)
+                {
+                    sb.Append(task.Completed ? "✅ " : "🔶 ");
+                    sb.AppendLine(task.Title);
+                }
+            }
+            else
+            {
+                foreach (var task in chat._tasklist.Where(p => !p.Completed))
+                {
+                    sb.Append("🔶 ");
+                    sb.AppendLine(task.Title);
+                }
+            }
+
+            sb.AppendLine();
+            sb.AppendLine("What do you want me to do?");
+
+            if (prefixLine != "")
+            {
+                var msgid = Bot.SendTextMessageAsync(
+                        chat.ChatId,
+                        prefixLine)
+                    .Result.MessageId;
+
+                await Bot.SendChatActionAsync(chat.ChatId, ChatAction.Typing);
+                await Task.Delay(1500);
+                await Bot.EditMessageTextAsync(chat.ChatId, msgid, sb.ToString(), replyMarkup: actionKeyboard);
+            }
+            else
+            {
+                await Bot.SendChatActionAsync(chat.ChatId, ChatAction.Typing);
+                await Bot.SendTextMessageAsync(chat.ChatId, sb.ToString(), replyMarkup: actionKeyboard);
+            }
+        }
+
+        private static void BotOnReceiveError(object sender, ReceiveErrorEventArgs receiveErrorEventArgs)
+        {
+            Console.WriteLine("Received error: {0} — {1}",
+                receiveErrorEventArgs.ApiRequestException.ErrorCode,
+                receiveErrorEventArgs.ApiRequestException.Message);
+        }
+    }
+}
\ No newline at end of file
diff --git a/TelegramRemindMe.csproj b/TelegramRemindMe.csproj
index 3a4a181..8e2a464 100644
--- a/TelegramRemindMe.csproj
+++ b/TelegramRemindMe.csproj
@@ -4,6 +4,7 @@
     <TargetFramework>netcoreapp2.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
     <PackageReference Include="Telegram.Bot" Version="14.0.0-rc-367" />
   </ItemGroup>
 </Project>
\ No newline at end of file