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

const principalDistributor = () => {
  const token = isAutheticated();
  const navigate = useNavigate();
  const [loading, setLoading] = useState(true);
  const [loading1, setLoading1] = useState(true);
  const [success, setSuccess] = useState(true);
  const [users, setUsers] = useState([]);
  const [totalPages, setTotalPages] = useState(1);
  const [currentPage, setCurrentPage] = useState(1);
  const [itemPerPage, setItemPerPage] = useState(10);
  const [totalData, setTotalData] = useState(0);
  const nameRef = useRef();
  const SBURef = useRef();
  const getUsers = async () => {
    setLoading(true);
    try {
      const res = await axios.get(`/api/v1/admin/pd`, {
        headers: {
          Authorization: `Bearer ${token}`,
        },
        params: {
          page: currentPage,
          show: itemPerPage,
          name: nameRef.current.value,
          SBU: SBURef.current.value,
        },
      });
      // console.log(res.data);
      setUsers(res.data.users);
      setTotalData(res.data?.total_data);
      setTotalPages(res.data?.total_pages);
    } catch (error) {
      swal({
        title: error,
        text: "please login to access the resource or refresh the page  ",
        icon: "error",
        button: "Retry",
        dangerMode: true,
      });
    } finally {
      setLoading(false);
    }
  };

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

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

  const handleSearchChange = () => {
    debouncedSearch();
  };
  // console.log(users);

  // const handleDelete = (id) => {
  //   swal({
  //     title: "Are you sure?",
  //     icon: "error",
  //     buttons: {
  //       Yes: { text: "Yes", value: true },
  //       Cancel: { text: "Cancel", value: "cancel" },
  //     },
  //   }).then((value) => {
  //     if (value === true) {
  //       axios
  //         .delete(`/api/user-address/deleteAddress/${id}`, {
  //           headers: {
  //             "Access-Control-Allow-Origin": "*",
  //             Authorization: `Bearer ${token}`,
  //           },
  //         })
  //         .then((res) => {
  //           swal({
  //             title: "Deleted",
  //             text: "Address Deleted successfully!",
  //             icon: "success",
  //             button: "ok",
  //           });
  //           setSuccess((prev) => !prev);
  //         })
  //         .catch((err) => {
  //           swal({
  //             title: "Warning",
  //             text: "Something went wrong!",
  //             icon: "error",
  //             button: "Retry",
  //             dangerMode: true,
  //           });
  //         });
  //     }
  //   });
  // };
  const handleDownloadReport = async () => {
    try {
      const response = await axios.get(
        `/api/v1/principaldistributor/download-report`,
        {
          headers: {
            Authorization: `Bearer ${token}`,
          },
          responseType: "arraybuffer",
        }
      );

      // Check if the request was successful
      if (response.status === 200) {
        // Convert response data into a Blob for download
        const url = window.URL.createObjectURL(
          new Blob([response.data], {
            type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
          })
        );

        // Create a temporary download link and trigger the download
        const link = document.createElement("a");
        link.href = url;
        link.download = "Principal_Distributor_Report.xlsx";
        document.body.appendChild(link);
        link.click();

        // Cleanup
        document.body.removeChild(link);
        window.URL.revokeObjectURL(url); // Release Blob URL memory

        // Show success message
        toast.success("Report downloaded successfully!");
      } else {
        // If the response status is not 200, display an error message
        throw new Error("Failed to download report");
      }
    } catch (err) {
      // Display a user-friendly error message
      const msg = err?.response?.data?.message || "Something went wrong!";
      swal({
        title: "Error",
        text: msg,
        icon: "error",
        button: "Retry",
        dangerMode: true,
      });
    }
  };
  const handleReset = async (id) => {
    try {
      const response = await axios.put(
        `https://cheminova-api1.onrender.com/api/v1/user/reset-password/${id}`,
        {}, // No body content required for this request
        {
          headers: {
            Authorization: `Bearer ${token}`,
          },
        }
      );

      if (response.data.success) {
        toast.success(
          "Password reset successfully! Email sent to Principal Distributor."
        );
      }
    } catch (error) {
      toast.error(
        error.response?.data?.message ||
        "Failed to reset the password. Please try again."
      );
    }
  };
  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">
                  All Principal Distributor
                </div>

                <div className="page-title-right">
                  <Button
                    variant="contained"
                    // color="primary"
                    sx={{
                      backgroundColor: "white",
                      color: "black",
                      "&:hover": {
                        backgroundColor: "#0B0689",
                        color: "white",
                      },
                    }}
                    style={{ marginRight: "0.5rem", fontWeight: "bold", textTransform: "capitalize", marginBottom: "0.5rem" }}
                    onClick={() => {
                      navigate("/add-principal-distributor");
                    }}
                  >
                    Add Principal Distributor
                  </Button>
                  <Button
                    variant="contained"
                    // color="primary"
                    style={{ fontWeight: "bold", textTransform: "capitalize", marginBottom: "0.5rem" }}
                    sx={{
                      backgroundColor: "white",
                      color: "black",
                      "&:hover": {
                        backgroundColor: "#0B0689",
                        color: "white",
                      },
                    }}
                    onClick={() =>
                      navigate("/add-principal-distributor/multiple", {
                        replace: true,
                      })
                    }
                  >
                    Upload Spreadsheet
                  </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-2 col-md-2">
                      <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 col-md-4">
                      <label>Name:</label>
                      <input
                        type="text"
                        name="searchTerm"
                        placeholder="Name"
                        className="form-control"
                        ref={nameRef}
                        onChange={handleSearchChange}
                        disabled={loading}
                      />
                    </div>
                    <div className="col-lg-3 col-md-3">
                      <label>SBU:</label>
                      <input
                        type="text"
                        name="searchTerm"
                        placeholder="SBU"
                        className="form-control"
                        ref={SBURef}
                        onChange={handleSearchChange}
                        disabled={loading}
                      />
                    </div>
                    <div className="col-lg-3 col-md-3 d-flex justify-content-start mt-lg-0 mb-lg-0 mt-1 mb-1 align-items-center">
                      <Button
                        variant="contained"
                        color="primary"
                        size="small"
                        onClick={handleDownloadReport}
                        disabled={loading}
                      >
                        Download Report
                      </Button>
                    </div>
                  </div>

                  <div
                    className="table-responsive table-shoot"
                    style={{ overflowX: "auto" }}
                  >
                    <table
                      className="table table-centered table-nowrap"
                      style={{
                        border: "1px solid",
                        tableLayout: "fixed", // Keeps columns fixed width
                        width: "100%", // Ensures table takes full width
                        minWidth: "1000px", // Prevents the table from shrinking too much
                      }}
                    >
                      <thead
                        className="thead-info"
                        style={{ background: "rgb(140, 213, 213)" }}
                      >
                        <tr>
                          <th style={{ width: "10%" }}>Unique Id</th>
                          <th style={{ width: "8%" }}>SBU</th>
                          <th style={{ width: "15%" }}>Name</th>
                          <th style={{ width: "13%" }}>Email</th>
                          <th style={{ width: "12%" }}>Date Registered</th>
                          <th style={{ width: "12%" }}>Last Purchase</th>
                          <th style={{ width: "7%" }}>Orders</th>
                          <th style={{ width: "8%" }}>Mapping</th>
                          <th className="text-center" style={{ width: "15%" }}>
                            Action
                          </th>
                        </tr>
                      </thead>
                      <tbody>
                        {loading ? (
                          <tr className="text-center">
                            <td colSpan="9">
                              <h5>Loading....</h5>
                            </td>
                          </tr>
                        ) : users.length > 0 ? (
                          users.map((user, i) => (
                            <tr key={i}>
                              <td>{user.uniqueId}</td>
                              <td>{user.SBU ? user.SBU : "N/A"}</td>
                              <td className="text-start">{user.name}</td>
                              <td className="text-start">{user.email}</td>
                              <td className="text-center">
                                {new Date(user.createdAt).toLocaleString(
                                  "en-IN",
                                  {
                                    // weekday: "short",
                                    month: "short",
                                    day: "numeric",
                                    year: "numeric",
                                    // hour: "numeric",
                                    // minute: "numeric",
                                    // hour12: true,
                                  }
                                )}
                              </td>
                              <td className="text-start">
                                {user.lastOrderDate
                                  ? new Date(user.lastOrderDate).toLocaleString(
                                    "en-IN",
                                    {
                                      month: "short",
                                      day: "numeric",
                                      year: "numeric",
                                    }
                                  )
                                  : "No purchase"}
                              </td>
                              <td className="text-start">
                                <Link
                                  to={`/principaldistributor/orders/${user?._id}`}
                                >
                                  <button
                                    style={{
                                      color: "black",
                                      width: "50px",
                                      textAlign: "center",
                                    }}
                                    type="button"
                                    className="btn btn-warning btn-sm waves-effect waves-light btn-table"
                                  >
                                    {user.totalOrders}
                                  </button>
                                </Link>
                              </td>
                              {/* {loading1 && (
                                <>
                                  <td className="text-start">loading...</td>
                                  <td className="text-start">loading...</td>
                                </>
                              )}

                              <OrderDetails
                                _id={user?._id}
                                setLoading1={setLoading1}
                              /> */}
                              <td className="text-center">
                                <Link
                                  to={`/view/mappedretaildistributor/${user?._id}`}
                                >
                                  <button
                                    style={{
                                      color: "white",
                                      marginRight: "1rem",
                                    }}
                                    type="button"
                                    className="btn btn-primary btn-sm  waves-effect waves-light btn-table ml-2"
                                  >
                                    Retailer
                                  </button>
                                </Link>
                              </td>
                              {/* <td className="text-end"> */}
                              {/* <Link
                                    to={`/users-address/view/${userAddress._id}`}
                                  >
                                    <button
                                      style={{
                                        color: "white",
                                        marginRight: "1rem",
                                      }}
                                      type="button"
                                      className="
                                      btn btn-primary btn-sm
                                    waves-effect waves-light
                                    btn-table
                                    mx-1
                                    mt-1
                                  "
                                    >
                                      View
                                    </button>
                                  </Link>
                                  <Link
                                    to={`/users-address/edit/${userAddress._id}`}
                                  >
                                    <button
                                      style={{
                                        color: "white",
                                        marginRight: "1rem",
                                      }}
                                      type="button"
                                      className="
                                      btn btn-info btn-sm
                                    waves-effect waves-light
                                    btn-table
                                    mt-1
                                    mx-1
                                  "
                                    >
                                      Edit
                                    </button>
                                  </Link>
                                  <Link
                                    to={"#"}
                                    style={{
                                      marginRight: "1rem",
                                    }}
                                  >
                                    <button
                                      style={{ color: "white" }}
                                      type="button"
                                      className="
                                    btn btn-danger btn-sm
                                    waves-effect waves-light
                                    btn-table
                                    mt-1
                                    mx-1
                                    
                                  "
                                      onClick={() => {
                                        handleDelete(userAddress._id);
                                      }}
                                    >
                                      Delete
                                    </button>
                                  </Link> */}
                              <td className="text-start">
                                <div className="d-flex flex-column flex-md-row">
                                  {/* View Button */}
                                  <Link
                                    to={`/principal-distributor/${user?._id}`}
                                  >
                                    <button
                                      type="button"
                                      className="btn btn-info btn-sm waves-effect waves-light btn-table mb-1 mb-md-0"
                                    >
                                      View
                                    </button>
                                  </Link>

                                  {/* Stock Button */}
                                  <Link
                                    to={`/principaldistributor/stocks/${user?._id}`}
                                  >
                                    <button
                                      style={{ color: "white" }}
                                      type="button"
                                      className="btn btn-info btn-sm waves-effect waves-light btn-table ml-0 ml-md-1 mb-1 mb-md-0 mt-md-0"
                                    >
                                      Stock
                                    </button>
                                  </Link>

                                  {/* OI Button */}
                                  <Link
                                    to={`/principaldistributor/opening-inventory/${user?._id}`}
                                  >
                                    <button
                                      type="button"
                                      className="btn btn-info btn-sm waves-effect waves-light btn-table ml-0 ml-md-1 mb-1 mb-md-0 mt-md-0"
                                    >
                                      OI
                                    </button>
                                  </Link>
                                </div>
                                <div className="d-flex flex-column flex-md-row">
                                  <Link
                                    to={`/principaldistributor/Liqudation/${user?._id}`}
                                  >
                                    <button
                                      type="button"
                                      className="btn btn-info btn-sm  waves-effect waves-light btn-table mt-1 mr-1"
                                    >
                                      Liqudation
                                    </button>
                                  </Link>
                                  <Link>
                                    <button
                                      type="button"
                                      className="btn btn-info btn-sm  waves-effect waves-light btn-table mt-1"
                                      onClick={() => handleReset(user._id)}
                                    >
                                      Reset
                                    </button>
                                  </Link>
                                </div>
                                <Link
                                  to={`/update-principal-distributor/${user?._id}`}
                                >
                                  <button
                                    type="button"
                                    className="btn btn-info btn-sm  waves-effect waves-light btn-table mt-1 mr-1"
                                  >
                                    Edit
                                  </button>
                                </Link>
                              </td>
                            </tr>
                          ))
                        ) : (
                          <tr>
                            <td colSpan="9" className="text-center">
                              <h5>No Principal Distributor found!</h5>
                            </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 {users?.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 principalDistributor;