"use client";

import { useState } from "react";
import { useQueryClient } from "@tanstack/react-query";
import { api } from "@/lib/api";
import type { ChannelImportData } from "@/app/(main)/dashboard/components/import-channel-dialog";

export function useImportChannel(token: string | null) {
  const queryClient = useQueryClient();
  const [isPending, setIsPending] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const handleImport = async (data: ChannelImportData) => {
    if (!token) return;
    setIsPending(true);
    setError(null);
    try {
      const created = await api.channels.create(
        {
          name: data.name,
          timezone: data.timezone,
          description: data.description,
        },
        token,
      );
      await api.channels.update(
        created.id,
        {
          schedule_config: { blocks: data.blocks },
          recycle_policy: data.recycle_policy,
        },
        token,
      );
      await queryClient.invalidateQueries({ queryKey: ["channels"] });
      return true; // success signal for closing dialog
    } catch (e) {
      setError(e instanceof Error ? e.message : "Import failed");
      return false;
    } finally {
      setIsPending(false);
    }
  };

  const clearError = () => setError(null);

  return { handleImport, isPending, error, clearError };
}