import React, { useRef, useEffect, useState } from "react";
import styles from "./Transactions.module.css";
import { useParams } from "react-router-dom";
import { ColorRing } from "react-loader-spinner";
import {
  getTransaction,
  confirmTransaction,
  declineTransaction,
} from "../helpers/transactionHelpers";
import { getTables } from "../helpers/tableHelper";
import TableCanvas from "../components/TableCanvas";
import { useSearchParams } from "react-router-dom";

export default function Transactions({ propsShopId, sendParam, deviceType }) {
  const { shopId, tableId } = useParams();
  if (sendParam) sendParam({ shopId, tableId });

  const [tables, setTables] = useState([]);
  const [selectedTable, setSelectedTable] = useState(null);
  const [isPaymentLoading, setIsPaymentLoading] = useState(false);
  const [searchParams] = useSearchParams();
  const [transaction, setTransaction] = useState(null);
  const noteRef = useRef(null);

  useEffect(() => {
    const transactionId = searchParams.get("transactionId") || "";

    const fetchData = async () => {
      try {
        const fetchedTransaction = await getTransaction(transactionId);
        setTransaction(fetchedTransaction);
        console.log(transaction);
      } catch (error) {
        console.error("Error fetching transaction:", error);
      }
    };
    fetchData();
  }, [searchParams]);

  useEffect(() => {
    const fetchData = async () => {
      try {
        const fetchedTables = await getTables(shopId || propsShopId);
        setTables(fetchedTables);
      } catch (error) {
        console.error("Error fetching tables:", error);
      }
    };

    fetchData();
  }, [shopId || propsShopId]);

  const calculateTotalPrice = (detailedTransactions) => {
    return detailedTransactions.reduce((total, dt) => {
      return total + dt.qty * dt.Item.price;
    }, 0);
  };

  const handleConfirm = async (transactionId) => {
    if (isPaymentLoading) return;
    setIsPaymentLoading(true);
    try {
      const c = await confirmTransaction(transactionId);
      if (c) {
        setTransaction({ ...transaction, confirmed: c.confirmed });
      }
    } catch (error) {
      console.error("Error processing payment:", error);
    } finally {
      setIsPaymentLoading(false);
    }
  };

  const handleDecline = async (transactionId) => {
    if (isPaymentLoading) return;
    setIsPaymentLoading(true);
    try {
      const c = await declineTransaction(transactionId);
      // if (c) {
      //   // Update the confirmed status locally
      //   setTransactions((prevTransactions) =>
      //     prevTransactions.map((transaction) =>
      //       transaction.transactionId === transactionId
      //         ? { ...transaction, confirmed: -1 } // Set to confirmed
      //         : transaction
      //     )
      //   );
      // }
    } catch (error) {
      console.error("Error processing payment:", error);
    } finally {
      setIsPaymentLoading(false);
    }
  };

  const autoResizeTextArea = (textarea) => {
    if (textarea) {
      textarea.style.height = "auto"; // Reset height
      textarea.style.height = `${textarea.scrollHeight}px`; // Set new height
    }
  };

  useEffect(() => {
    if (noteRef.current) {
      autoResizeTextArea(noteRef.current);
    }
  }, [transaction?.notes]);

  return (
    <div className={styles.Transactions}>
      <div style={{ marginTop: "30px" }}></div>
      <h2 className={styles["Transactions-title"]}>Transactions</h2>
      {/* <TableCanvas tables={tables} selectedTable={selectedTable} /> */}
      <div className={styles.TransactionListContainer}>
        {transaction && (
          <div
            key={transaction.transactionId}
            className={styles.RoundedRectangle}
            onClick={() =>
              setSelectedTable(transaction.Table || { tableId: 0 })
            }
          >
            <div className={styles.RibbonBanner}></div>
            <h2 className={styles["Transactions-detail"]}>
              Transaction ID: {transaction.transactionId}
            </h2>
            <h2 className={styles["Transactions-detail"]}>
              Payment Type: {transaction.payment_type}
            </h2>
            <ul>
              {transaction.DetailedTransactions.map((detail) => (
                <li key={detail.detailedTransactionId}>
                  <span>{detail.Item.name}</span> - {detail.qty} x Rp{" "}
                  {detail.Item.price}
                </li>
              ))}
            </ul>
            <h2 className={styles["Transactions-detail"]}>
              {transaction.serving_type === "pickup"
                ? "Self pickup"
                : `Serve to ${
                    transaction.Table ? transaction.Table.tableNo : "N/A"
                  }`}
            </h2>
            {transaction.notes != "" && (
              <>
                <div className={styles.NoteContainer}>
                  <span>Note :</span>
                  <span></span>
                </div>

                <div className={styles.NoteContainer}>
                  <textarea
                    className={styles.NoteInput}
                    value={transaction.notes}
                    ref={noteRef}
                    disabled
                  />
                </div>
              </>
            )}
            <div className={styles.TotalContainer}>
              <span>Total:</span>
              <span>
                Rp {calculateTotalPrice(transaction.DetailedTransactions)}
              </span>
            </div>
            <div className={styles.TotalContainer}>
              <button
                className={styles.PayButton}
                onClick={() => handleConfirm(transaction.transactionId)}
                disabled={isPaymentLoading} // Disable button if confirmed (1) or declined (-1) or loading
              >
                {isPaymentLoading ? (
                  <ColorRing height="50" width="50" color="white" />
                ) : transaction.confirmed === 1 ? (
                  "Confirm has paid" // Display "Confirm has paid" if the transaction is confirmed (1)
                ) : transaction.confirmed === -1 ? (
                  "Declined" // Display "Declined" if the transaction is declined (-1)
                ) : transaction.confirmed === -2 ? (
                  "Canceled" // Display "Declined" if the transaction is declined (-1)
                ) : transaction.confirmed === 2 ? (
                  "Confirm item has ready" // Display "Item ready" if the transaction is ready (2)
                ) : transaction.confirmed === 3 ? (
                  "Transaction success" // Display "Item ready" if the transaction is ready (2)
                ) : (
                  "Confirm availability" // Display "Confirm availability" if the transaction is not confirmed (0)
                )}
              </button>
            </div>
            {transaction.confirmed < 2 && (
              <h5
                className={styles.DeclineButton}
                onClick={() => handleDecline(transaction.transactionId)}
              >
                decline
              </h5>
            )}
          </div>
        )}
      </div>
    </div>
  );
}