import { useEffect, useRef, useState } from "react";
import { FaPlus } from "react-icons/fa";
import { addRecipient, Recipient, recipientType } from "../../../store/slices/selectedRecipientsSlice";
import { useDispatch } from "react-redux";
import { AppDispatch } from "../../../store/store";
import api from "../../../config/api";
import ContactModal from "./ContactModal";
import useDebouncedEffect from "../../../utlity/useDebounce";

interface ContactType {
  id: string;
  email: string;
  firstName: string;
  lastName: string;
}

export interface ContactTypeObj {
  type: string;
  contacts: ContactType[];
}

const RecipientAddCard = () => {

  const [contactData, setContactData] = useState<ContactTypeObj>({ type: "", contacts: [] });
  const [openContactModal, setOpenContactModal] = useState(false);

  const dispatch = useDispatch<AppDispatch>();
  const formRef = useRef<HTMLFormElement | null>(null);

  const [recipient, setRecipients] = useState<Recipient>({ firstName: "", lastName: "", email: "", hostName: "", hostEmail: "", type: recipientType.SIGNER });

  const handleRecipientAdd = (e: React.FormEvent<HTMLFormElement>) => {
    e.preventDefault();

    if (recipient.lastName === "" || recipient.email === "" || !recipient.type) return;

    // Validate Email Format
    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    if (!emailRegex.test(recipient.email)) {
      console.log("Invalid email format");
      return;
    }
    // Validation Ends

    dispatch(addRecipient(recipient));
    setRecipients({ firstName: "", lastName: "", email: "", hostName: "", hostEmail: "", type: recipientType.SIGNER });
    formRef.current?.reset();
  }

  // useEffect(() => {
    // if (!recipient.firstName.length) return;

    // const handler = setTimeout(() => {
    //   api.get(`/api/contact?firstName=${recipient.firstName}`)
    //     .then(res => {
    //       setContactData({ type: "firstName", contacts: res.data.content });
    //     })
    //     .catch(err => console.log(err));
    // }, 500); // wait 500ms after the last change

    // return () => {
    //   clearTimeout(handler); // cancel previous timeout if effect runs again
    // };

  // }, [recipient.firstName]);

  // useDebouncedEffect(() => {
  //   if (!recipient.firstName.length) return;
  //   api.get(`/api/contact?firstName=${recipient.firstName}`)
  //   .then(res => {
  //     setContactData({ type: "firstName", contacts: res.data.content });
  //   })
  //   .catch(err => console.log(err));
  // }, [recipient.firstName], 500);

  // useDebouncedEffect(() => {
  //   if (!recipient.lastName.length) return
  //   api.get(`/api/contact?lastName=${recipient.lastName}`)
  //     .then(res => {
  //       setContactData({ type: "lastName", contacts: res.data.content });
  //     })
  //     .catch(err => console.log(err))
  // }, [recipient.lastName], 500);
  
  // useDebouncedEffect(() => {
  //   if (!recipient.email.length) return
  //   api.get(`/api/contact?email=${recipient.email}`)
  //     .then(res => {
  //       setContactData({ type: "email", contacts: res.data.content });
  //     })
  //     .catch(err => console.log(err))
  // }, [recipient.email], 500);

  const handleContactModalBlur = () => {
    setTimeout(() => {
      setOpenContactModal(false)
    }, 350)
  }

  return (
    <form
  ref={formRef}
  onSubmit={handleRecipientAdd}
  className="w-full bg-white border border-gray-200 rounded-lg shadow-md px-6 py-6 space-y-5 relative"
>
  {/* Name Inputs */}
  <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
    <input
      // required
      type="text"
      onFocus={() => setOpenContactModal(true)}
      onBlur={handleContactModalBlur}
      value={recipient.firstName}
      placeholder="First Name"
      className="w-full px-4 py-2 border border-gray-300 rounded-md text-sm focus:outline-none focus:ring-2 focus:ring-[var(--primary)] transition"
      onChange={(e) => setRecipients({ ...recipient, firstName: e.target.value })}
    />
    <input
      required
      type="text"
      onFocus={() => setOpenContactModal(true)}
      onBlur={handleContactModalBlur}
      value={recipient.lastName}
      placeholder="Last Name"
      className="w-full px-4 py-2 border border-gray-300 rounded-md text-sm focus:outline-none focus:ring-2 focus:ring-[var(--primary)] transition"
      onChange={(e) => setRecipients({ ...recipient, lastName: e.target.value })}
    />
  </div>
  
  {recipient.type === recipientType.INPERSONSIGNER && <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
    <input
      required
      type="text"
      onFocus={() => setOpenContactModal(true)}
      onBlur={handleContactModalBlur}
      value={recipient.hostName}
      placeholder="Host Name"
      className="w-full px-4 py-2 border border-gray-300 rounded-md text-sm focus:outline-none focus:ring-2 focus:ring-[var(--primary)] transition"
      onChange={(e) => setRecipients({ ...recipient, hostName: e.target.value })}
    />
    <input
    required
    type="email"
    onFocus={() => setOpenContactModal(true)}
    onBlur={handleContactModalBlur}
    value={recipient.hostEmail}
    placeholder="Host Email"
    className="w-full px-4 py-2 border border-gray-300 rounded-md text-sm focus:outline-none focus:ring-2 focus:ring-[var(--primary)] transition"
    onChange={(e) => setRecipients({ ...recipient, hostEmail: e.target.value })}
  />
  </div>}

  {/* Email Input */}
  <input
    required
    type="email"
    onFocus={() => setOpenContactModal(true)}
    onBlur={handleContactModalBlur}
    value={recipient.email}
    placeholder="Recipient Email"
    className="w-full px-4 py-2 border border-gray-300 rounded-md text-sm focus:outline-none focus:ring-2 focus:ring-[var(--primary)] transition"
    onChange={(e) => setRecipients({ ...recipient, email: e.target.value })}
  />

  {/* Contact Modal */}
  {contactData.contacts.length > 0 && openContactModal && (
    <div className="absolute z-50 mt-1 w-full max-w-2xl bg-white shadow-lg rounded-md p-3 border border-gray-100">
      <ContactModal
        contactData={contactData}
        inpFirstName={recipient.firstName}
        inpLastName={recipient.lastName}
        inpEmail={recipient.email}
        openContactModal={openContactModal}
        setRecipients={setRecipients}
        setOpenContactModal={setOpenContactModal}
      />
    </div>
  )}

  {/* Signing options + Add button in one line */}
  <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
    <div className="flex flex-wrap gap-6">
      {[
        { label: "Signer", value: recipientType.SIGNER },
        { label: "In Person Signer", value: recipientType.INPERSONSIGNER },
        { label: "CC", value: recipientType.CC },
      ].map((option) => (
        <label key={option.value} className="flex items-center gap-2 text-gray-700 text-sm cursor-pointer">
          <input
            type="radio"
            name="recipient-type"
            value={option.value}
            defaultChecked={option.value === recipientType.SIGNER}
            onClick={(e) => setRecipients({ ...recipient, type: e.target.value })}
            className="accent-[var(--primary)] cursor-pointer"
          />
          {option.label}
        </label>
      ))}
    </div>

    <button
      type="submit"
      className="inline-flex items-center gap-2 bg-[var(--primary)] hover:bg-[var(--primaryLight2)] text-white text-sm font-semibold px-5 py-2 rounded-md transition"
    >
      <FaPlus size={14} /> Add Recipient
    </button>
  </div>
</form>

  );
};

export default RecipientAddCard;