feat: add header channel selector & adding channel modal menu

components/providers/target-channel-provider.tsx

@@ -0,0 +1,101 @@
+"use client";
+
+// ============================================================================
+// Target Channel Provider
+// ============================================================================
+
+import React, { createContext, useContext, useState, useEffect } from "react";
+import { channelsApi } from "@/lib/api";
+import type { TargetChannel } from "@/lib/types/api";
+
+interface TargetChannelContextType {
+  channels: TargetChannel[];
+  selectedChannel: TargetChannel | null;
+  setSelectedChannel: (channel: TargetChannel | null) => void;
+  isLoading: boolean;
+  error: string | null;
+  refreshChannels: () => Promise<void>;
+}
+
+const TargetChannelContext = createContext<TargetChannelContextType | undefined>(
+  undefined
+);
+
+export const useTargetChannel = () => {
+  const context = useContext(TargetChannelContext);
+  if (!context) {
+    throw new Error(
+      "useTargetChannel must be used within TargetChannelProvider"
+    );
+  }
+  return context;
+};
+
+export const TargetChannelProvider: React.FC<{ children: React.ReactNode }> = ({
+  children,
+}) => {
+  const [channels, setChannels] = useState<TargetChannel[]>([]);
+  const [selectedChannel, setSelectedChannelState] = useState<TargetChannel | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadChannels = async () => {
+    try {
+      setIsLoading(true);
+      setError(null);
+      const response = await channelsApi.list();
+      const activeChannels = response.target_channels.filter((c) => c.is_active);
+      setChannels(activeChannels);
+
+      // Загружаем сохраненный канал из localStorage
+      const savedChannelId = localStorage.getItem("selected_channel_id");
+      if (savedChannelId && activeChannels.length > 0) {
+        const savedChannel = activeChannels.find((c) => c.id === savedChannelId);
+        if (savedChannel) {
+          setSelectedChannelState(savedChannel);
+        } else {
+          // Если сохраненный канал не найден, выбираем первый
+          setSelectedChannelState(activeChannels[0]);
+          localStorage.setItem("selected_channel_id", activeChannels[0].id);
+        }
+      } else if (activeChannels.length > 0) {
+        // Если нет сохраненного канала, выбираем первый
+        setSelectedChannelState(activeChannels[0]);
+        localStorage.setItem("selected_channel_id", activeChannels[0].id);
+      }
+    } catch (err: any) {
+      setError(err?.error?.message || "Ошибка загрузки каналов");
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const setSelectedChannel = (channel: TargetChannel | null) => {
+    setSelectedChannelState(channel);
+    if (channel) {
+      localStorage.setItem("selected_channel_id", channel.id);
+    } else {
+      localStorage.removeItem("selected_channel_id");
+    }
+  };
+
+  useEffect(() => {
+    loadChannels();
+  }, []);
+
+  return (
+    <TargetChannelContext.Provider
+      value={{
+        channels,
+        selectedChannel,
+        setSelectedChannel,
+        isLoading,
+        error,
+        refreshChannels: loadChannels,
+      }}
+    >
+      {children}
+    </TargetChannelContext.Provider>
+  );
+};
+