diff --git a/package.json b/package.json
index d4105dd..32ac41f 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
         "moment": "^2.29.4",
         "pinia": "^2.0.29",
         "quasar": "^2.11.1",
+        "socket.io-client": "^4.7.4",
         "structure-chart": "^0.0.9",
         "vue": "^3.4.15",
         "vue-router": "^4.1.6",
diff --git a/src/modules/00_support/interface/index/Main.ts b/src/modules/00_support/interface/index/Main.ts
index 6fbe82e..fc25ca2 100644
--- a/src/modules/00_support/interface/index/Main.ts
+++ b/src/modules/00_support/interface/index/Main.ts
@@ -1,8 +1,63 @@
-interface DataOption {
+export interface Pagination<T> {
+  result: T;
+  page: number;
+  pageSize: number;
+  total: number;
+}
+export interface SupportIssueCategory {
   id: string;
   name: string;
 }
 
-export type {
-  DataOption,
+export interface SupportIssue {
+  id: string;
+  createdByUserId: string;
+  createdByUserName: string;
+  createdAt: string;
+  updatedAt: string;
+  title: string;
+  status: string;
+  unreadCount: number;
+  lastMessage?: string;
+  category: SupportIssueCategory;
+}
+
+export interface SupportIssueWithMessage
+  extends Omit<SupportIssue, "unreadCount" | "lastMessage"> {
+  message: SupportIssueMessage[];
+}
+
+export interface SupportIssueMessage {
+  id: string;
+  fromUserId: string;
+  fromUserName: string;
+  createdAt: string;
+  updatedAt: string;
+  content: string;
+  read: boolean;
+  issueId: string;
+}
+
+export interface SupportMessageStatus {
+  fromUserId: string;
+  fromUserName: string;
+  lastAccessDate: string;
+  issueId: string;
+}
+
+export interface SupportMessageStatusResponse {
+  result: SupportMessageStatus[];
+}
+
+export interface SupportUserStatus {
+  socketId: string;
+  userId: string;
+  name: string;
+  role: string[];
+}
+
+export type SupportIssueResponse = Pagination<SupportIssue[]>;
+export type SupportIssueCategoryResponse = {
+  result: SupportIssueCategory[];
 };
+export type SupportMessageResponse = Pagination<SupportIssueWithMessage>;
diff --git a/src/modules/00_support/store/Main.ts b/src/modules/00_support/store/Main.ts
index d01c300..e0aa050 100644
--- a/src/modules/00_support/store/Main.ts
+++ b/src/modules/00_support/store/Main.ts
@@ -1,10 +1,222 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
+import { io } from "socket.io-client";
+import { useQuasar } from "quasar";
+import http from "@/plugins/http";
+import config from "@/app.config";
+import type {
+  SupportMessageResponse,
+  SupportIssueResponse,
+  SupportIssueCategoryResponse,
+  SupportMessageStatusResponse,
+  SupportUserStatus,
+  SupportMessageStatus,
+} from "@/modules/00_support/interface/index/Main";
+import keycloak from "@/plugins/keycloak";
+import { useCounterMixin } from "@/stores/mixin";
 
-export const useEvalutuonStore = defineStore("supportServiceStore", () => {
-  const index = ref<number>(0);
+export const useSupportStore = defineStore("supportServiceStore", () => {
+  const { showLoader, hideLoader, messageError } = useCounterMixin();
+  const $q = useQuasar();
+  const userId = ref<string | undefined>(keycloak.subject);
+  const userStatus = ref<SupportUserStatus[]>([]);
+  const issue = ref<SupportIssueResponse>();
+  const issueCategory = ref<SupportIssueCategoryResponse>();
+  const messageStatus = ref<SupportMessageStatusResponse>();
+  const message = ref<SupportMessageResponse>();
+  const currentIssue = ref<string>("");
+  const currentTitle = ref<string>("");
+  const items = ref<any>([{}, {}, {}, {}, {}, {}, {}]);
+  const scrollTargetRef = ref();
+
+  const socket = io("http://192.168.1.10:3000/", {
+    auth: { token: keycloak.token },
+    autoConnect: false,
+  });
+
+  socket.on("users", (data: SupportUserStatus[]) => {
+    userStatus.value = data;
+  });
+
+  socket.on("online", (r) => {
+    userStatus.value.push({
+      socketId: r.socketId,
+      userId: r.userId,
+      name: r.name,
+      role: r.role,
+    });
+    // console.log("online: ", userStatus.value);
+  });
+
+  socket.on("offline", (socketId: string) => {
+    if (socketId === socket.id) return;
+    userStatus.value = userStatus.value.filter((v) => v.socketId !== socketId);
+    // console.log("offline: ", userStatus.value);
+  });
+
+  socket.on("notify-message", (r) => {
+    if (issue.value) {
+      issue.value.result = issue.value.result.map((v) => {
+        if (v.id === r.issueId) {
+          v.unreadCount++;
+          v.lastMessage = r.content;
+        }
+        return v;
+      });
+    }
+  });
+
+  socket.on("message", (r) => {
+    message.value?.result.message.push({
+      id: r.id,
+      fromUserId: r.fromUserId,
+      fromUserName: r.fromUserName,
+      createdAt: r.createdAt,
+      updatedAt: r.updatedAt,
+      content: r.content,
+      read: r.read,
+      issueId: r.issueId,
+    });
+    socket.emit("mark-read", { issueId: currentIssue.value });
+    if (issue.value) {
+      issue.value.result = issue.value.result.map((v) => {
+        if (v.id === r.issueId) {
+          v.lastMessage = r.content;
+        }
+        return v;
+      });
+    }
+
+    // console.log(r.id);
+    // console.log(message.value?.result.message);
+  });
+
+  socket.on("read", (r: SupportMessageStatus) => {
+    if (messageStatus.value) {
+      messageStatus.value.result = messageStatus.value.result.map((v) => {
+        if (v.fromUserId !== r.fromUserId) return r;
+        return v;
+      });
+    }
+    // console.log("event(read):", messageStatus.value);
+  });
+
+  function sendMessage(content: string, to: string) {
+    // console.log(content);
+    // console.log(to);
+    socket.emit("message", { to, content });
+  }
+
+  async function fetchMessageStatus(issueId: string) {
+    showLoader();
+    const res = await http
+      .get(config.API.supportMessageStatus(issueId))
+      .catch((err) => {
+        messageError($q, err);
+      })
+      .finally(() => {
+        hideLoader();
+      });
+    if (res && res.data) {
+      messageStatus.value = res.data;
+      // console.log(messageStatus.value);
+    }
+  }
+
+  async function fetchMessage(issueId: string) {
+    showLoader();
+    const res = await http
+      .get(config.API.supportMessage(issueId))
+      .catch((err) => {
+        messageError($q, err);
+      })
+      .finally(() => {
+        hideLoader();
+      });
+    if (res && res.data) {
+      message.value = await res.data;
+      message.value?.result.message.reverse();
+      socket.emit("join-issue", { issueId });
+      socket.emit("mark-read", { issueId });
+    }
+  }
+
+  async function fetchIssue() {
+    if (!userId.value) return;
+    showLoader();
+    const res = await http
+      .get(config.API.supportIssueUserId(userId.value))
+      .catch((err) => {
+        messageError($q, err);
+      })
+      .finally(() => {
+        hideLoader();
+      });
+
+    if (res && res.data) {
+      issue.value = res.data;
+      // console.log(JSON.stringify(res.data, null, 2));
+    }
+  }
+
+  async function fetchIssueCategory() {
+    showLoader();
+
+    const res = await http
+      .get(config.API.supportIssueCategory)
+      .catch((err) => {
+        messageError($q, err);
+      })
+      .finally(() => {
+        hideLoader();
+      });
+
+    if (res && res.data) {
+      issueCategory.value = res.data;
+      // console.log(JSON.stringify(res.data, null, 2));
+    }
+  }
+
+  async function newIssue(title: string, categoryId: string) {
+    showLoader();
+
+    const requestBody = {
+      title: title,
+      categoryId: categoryId,
+    };
+
+    const res = await http
+      .post(config.API.supportIssue, requestBody)
+      .catch((err) => {
+        messageError($q, err);
+      })
+      .finally(() => {
+        hideLoader();
+      });
+
+    if (res) {
+      fetchIssue();
+      // console.log(JSON.stringify(res.data, null, 2));
+    }
+  }
 
   return {
-    index,
+    userId,
+    issue,
+    issueCategory,
+    message,
+    messageStatus,
+    userStatus,
+    currentIssue,
+    currentTitle,
+    fetchIssue,
+    fetchIssueCategory,
+    fetchMessageStatus,
+    fetchMessage,
+    sendMessage,
+    newIssue,
+    scrollTargetRef,
+    items,
+    socket,
   };
 });