import React, { useState, useEffect, useCallback, useRef } from "react";
import { Link } from "react-router-dom";
import { useNavigate } from "react-router-dom";
import axios from "axios";
import Button from "@material-ui/core/Button";
import { isAutheticated } from "src/auth";
import swal from "sweetalert";
import debounce from "lodash.debounce";

const RetailDistributor = () => {
  const token = isAutheticated();
  const Navigate = useNavigate();
  const [loading, setLoading] = useState(false);
  const [allRetailDistributorsData, setAllRetailDistributorsData] = useState(
    []
  );
const nameRef = useRef();
const principalDistributorRef = useRef();
const [totalPages, setTotalPages] = useState(1);
  const [currentPage, setCurrentPage] = useState(1);
  const [itemPerPage, setItemPerPage] = useState(10);
  const [totalData, setTotalData] = useState(0);

  const getRetailDistributorsData = async () => {
    setLoading(true);
    try {
      const res = await axios.get(`/api/kyc/getAllapproved/`, {
        headers: {
          Authorization: `Bearer ${token}`,
        },
        params: {
          page: currentPage,
          show: itemPerPage,
          name: nameRef.current.value,
          principaldistributor: principalDistributorRef.current.value,
        },
      });
      setAllRetailDistributorsData(res.data?.kycs);
      setTotalData(res.data?.total_data);
      setTotalPages(res.data?.total_pages);
    } catch (err) {
      const msg = err?.response?.data?.message || "Something went wrong!";
      swal({
        title: "Error",
        text: msg,
        icon: "error",
        button: "Retry",
        dangerMode: true,
      });
    } finally {
      setLoading(false);
    }
  };

  useEffect(() => {
    getRetailDistributorsData();
  }, [ itemPerPage, currentPage]);

  const debouncedSearch = useCallback(debounce(() => {
    setCurrentPage(1);
    getRetailDistributorsData();
  }, 500), []);

  const handleSearchChange = () => {
    debouncedSearch();
  };

  return (
    <div className="main-content">
      <div className="page-content">
        <div className="container-fluid">
          <div className="row">
            <div className="col-12">
              <div className="page-title-box d-flex align-items-center justify-content-between">
                <div style={{ fontSize: "22px" }} className="fw-bold">
                  Retail Distributors
                </div>
                <div className="page-title-right">
                  <Button
                    variant="contained"
                    color="primary"
                    className="font-bold mb-2 capitalize mr-2"
                    onClick={() => {
                      Navigate("/retaildistributor/add");
                    }}
                  >
                    Add Retail Distributor
                  </Button>
                </div>
              </div>
            </div>
          </div>

          <div className="row">
            <div className="col-lg-12">
              <div className="card">
                <div className="card-body">
                  <div className="row ml-0 mr-0 mb-10">
                    <div className="col-lg-1">
                      <div className="dataTables_length">
                        <label className="w-100">
                          Show
                          <select
                            onChange={(e) => {
                              setItemPerPage(Number(e.target.value));
                              setCurrentPage(1); // Reset to first page when changing items per page
                            }}
                            className="form-control"
                            disabled={loading}
                          >
                            <option value="10">10</option>
                            <option value="25">25</option>
                            <option value="50">50</option>
                            <option value="100">100</option>
                          </select>
                          entries
                        </label>
                      </div>
                    </div>
                    <div className="col-lg-3">
                      <label>Trade Name:</label>
                      <input
                        type="text"
                        name="searchTerm"
                        placeholder="Trade name"
                        className="form-control"
                        ref={nameRef}
                        onChange={handleSearchChange}
                        disabled={loading}
                      />
                    </div>
                    <div className="col-lg-3">
                      <label>Principal Distributor Name:</label>
                      <input
                        type="text"
                        name="searchPrincipalDistributor"
                        placeholder="Principal Distributor name"
                        className="form-control"
                        onChange={handleSearchChange}
                        disabled={loading}
                        ref={principalDistributorRef}
                      />
                    </div>
                  </div>

                  <div className="table-responsive table-shoot mt-3">
                    <table className="table table-centered table-nowrap">
                      <thead
                        className="thead-light"
                        style={{ background: "#ecdddd" }}
                      >
                        <tr>
                          <th>ID</th>
                          <th className="text-start">Trade Name</th>
                          <th className="text-start">Created On</th>
                          <th className="text-start">Principal Distributor</th>
                          <th className="text-start">Territory Manager</th>
                          <th className="text-start">Sales Coordinator</th>
                          <th className="text-start">Action</th>
                        </tr>
                      </thead>

                      <tbody>
                        {loading ? (
                          <tr>
                            <td className="text-center" colSpan="7">
                              Loading...
                            </td>
                          </tr>
                        ) : allRetailDistributorsData.length > 0 ? (
                          allRetailDistributorsData.map((retailDistributor) => (
                            <tr key={retailDistributor._id}>
                              <td className="text-start">
                                {retailDistributor._id}
                              </td>
                              <td className="text-start">
                                {retailDistributor.trade_name}
                              </td>
                              <td className="text-start">
                                {new Date(
                                  retailDistributor.updatedAt
                                ).toLocaleString("en-IN", {
                                  weekday: "short",
                                  month: "short",
                                  day: "numeric",
                                  year: "numeric",
                                  hour: "numeric",
                                  minute: "numeric",
                                  hour12: true,
                                })}
                              </td>
                              <td className="text-start">
                                {retailDistributor.principal_distributer
                                  ?.name || "N/A"}
                              </td>
                              <td className="text-start">
                                {retailDistributor.userType ===
                                "TerritoryManager"
                                  ? retailDistributor.addedBy?.name || "N/A"
                                  : "N/A"}
                              </td>
                              <td className="text-start">
                                {retailDistributor.userType ===
                                "SalesCoOrdinator"
                                  ? retailDistributor.addedBy?.name || "N/A"
                                  : "N/A"}
                              </td>
                              <td className="text-start">
                                <Link
                                  to={`/retaildistributor/view/${retailDistributor._id}`}
                                >
                                  <Button variant="contained" color="primary">
                                    View
                                  </Button>
                                </Link>
                              </td>
                            </tr>
                          ))
                        ) : (
                          <tr>
                            <td className="text-center" colSpan="7">
                              No Retail Distributor found!
                            </td>
                          </tr>
                        )}
                      </tbody>
                    </table>
                  </div>
                  <div className="row mt-20">
                    <div className="col-sm-12 col-md-6 mb-20">
                      <div
                        className="dataTables_info"
                        id="datatable_info"
                        role="status"
                        aria-live="polite"
                      >
                        Showing {allRetailDistributorsData?.length} of {totalData} entries
                      </div>
                    </div>

                    <div className="col-sm-12 col-md-6">
                      <div className="dataTables_paginate paging_simple_numbers">
                        <ul className="pagination">
                          <li
                            className={`paginate_button page-item previous ${
                              currentPage === 1 ? "disabled" : ""
                            }`}
                          >
                            <a
                              className="page-link"
                              onClick={() =>
                                setCurrentPage((prev) => Math.max(prev - 1, 1))
                              }
                              aria-controls="datatable"
                            >
                              Previous
                            </a>
                          </li>
                          {Array.from({ length: totalPages }, (_, index) => (
                            <li
                              key={index}
                              className={`paginate_button page-item ${
                                currentPage === index + 1 ? "active" : ""
                              }`}
                            >
                              <a
                                className="page-link"
                                onClick={() => setCurrentPage(index + 1)}
                                aria-controls="datatable"
                              >
                                {index + 1}
                              </a>
                            </li>
                          ))}
                          <li
                            className={`paginate_button page-item next ${
                              currentPage === totalPages ? "disabled" : ""
                            }`}
                          >
                            <a
                              className="page-link"
                              onClick={() =>
                                setCurrentPage((prev) =>
                                  Math.min(prev + 1, totalPages)
                                )
                              }
                              aria-controls="datatable"
                            >
                              Next
                            </a>
                          </li>
                        </ul>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  );
};

export default RetailDistributor;