import React, { useEffect, useState } from "react";
import axios from "axios";
import { useNavigate } from "react-router-dom";
import TechInformation from "./TechInformation";

const RequestForm = ({ techInformation, attachDesign, glContext, sceneContext, cameraContext }) => {
  const navigate = useNavigate();

  const [formData, setFormData] = useState({
    aanhef: "Dhr",
    voornaam: "",
    tussenvoegsel: "",
    achternaam: "",
    straatnaam: "",
    huisnummer: "",
    postcode: "",
    woonplaats: "",
    land: "Nederland",
    emailadres: "",
    telefoonnummer: "",
    comment: "",
    file: null,
  });

  useEffect(() => {
    setFormData({...formData, file: attachDesign});
  }, [attachDesign])

  const [isSubmitting, setIsSubmitting] = useState(false);
  const [isClearSubmitting, setIsClearSubmitting] = useState(false);
  const [formErrors, setFormErrors] = useState({});

  const handleChange = (e) => {
    const { name, value, files } = e.target;
    if (name === "file") {
      setFormData({
        ...formData,
        [name]: files[0],
      });
    } else {
      setFormData({
        ...formData,
        [name]: value,
      });
    }
  };

  const validate = () => {
    const errors = {};
    Object.keys(formData).forEach((key) => {
      if (["comment", "tussenvoegsel", "file"].includes(key)) return;
      if (!formData[key]) {
        errors[key] = "Dit veld is verplicht";
      }
    });
    return errors;
  };

  const dataURLToBlob = (dataURL) => {
    const byteString = atob(dataURL.split(',')[1]);
    const mimeString = dataURL.split(',')[0].split(':')[1].split(';')[0];
    const arrayBuffer = new ArrayBuffer(byteString.length);
    const uint8Array = new Uint8Array(arrayBuffer);

    for (let i = 0; i < byteString.length; i++) {
      uint8Array[i] = byteString.charCodeAt(i);
    }

    return new Blob([arrayBuffer], { type: mimeString });
  };

  const handleSubmit = async (isReset = false) => {
    const errors = validate();
    if (Object.keys(errors).length === 0) {
      setIsSubmitting(true);
      setIsClearSubmitting(isReset);
      try {
        glContext.render(sceneContext, cameraContext);
        const image = glContext.domElement.toDataURL('image/png');
        const imageBlob = dataURLToBlob(image);

        const formDataToSubmit = new FormData();
        Object.keys(formData).forEach((key) => {
          formDataToSubmit.append(key, formData[key]);
        });

        formDataToSubmit.append('constructImage', imageBlob, 'constructImage.png');

        formDataToSubmit.append(
          "techInformation",
          JSON.stringify(techInformation)
        );

        formDataToSubmit.append(
          "platform", "clooz"
        );

        const response = await axios.post(
          "https://api-lumbronch.agreatidea.studio/api/request-a-quote",
          formDataToSubmit,
          {
            headers: {
              "Content-Type": "multipart/form-data",
            },
          }
        );

        navigate("/request-confirmation");

        if (isReset) {
          setFormData({
            aanhef: "Dhr",
            voornaam: "",
            tussenvoegsel: "",
            achternaam: "",
            straatnaam: "",
            huisnummer: "",
            postcode: "",
            woonplaats: "",
            land: "Nederland",
            emailadres: "",
            telefoonnummer: "",
            comment: "",
            file: null,
          });
        }
        // Handle successful form submission
      } catch (error) {
        console.error(error);
        // Handle error in form submission
      } finally {
        setIsSubmitting(false);
      }
    } else {
      setFormErrors(errors);
    }
  };

  const formStyle = {
    maxWidth: "400px",
    margin: "0 auto",
    backgroundColor: "#2D3748",
    padding: "20px",
    borderRadius: "8px",
  };

  const inputStyle = {
    width: "100%",
    padding: "10px",
    marginBottom: "10px",
    borderRadius: "4px",
    backgroundColor: "#fff",
    color: "#333",
    border: "none",
    boxSizing: "border-box",
  };

  const fileInputStyle = {
    display: "none",
  };

  const labelStyle = {
    color: "#fff",
    fontSize: "14px",
    fontWeight: "bold",
    display: "block",
  };

  const errorStyle = {
    color: "red",
    fontSize: "12px",
    margin: 0,
  };

  const buttonStyle = {
    backgroundColor: "#48BB78",
    color: "#FFF",
    fontSize: "16px",
    padding: "10px 20px",
    borderRadius: "100px",
    border: "none",
    cursor: "pointer",
  };

  const linkButtonStyle = {
    fontSize: "14px",
    color: "#FFF",
    cursor: "pointer",
    display: "block",
  };

  const fileUploadLabelStyle = {
    display: "flex",
    alignItems: "center",
    gap: "10px",
    cursor: "pointer",
    backgroundColor: "#48BB78",
    padding: "8px 15px",
    borderRadius: "50px",
    color: "#FFF",
    fontSize: "14px",
    textAlign: "center",
  };

  return (
    <form onSubmit={handleSubmit}>
      <TechInformation techInformation={techInformation} />
      <div style={formStyle}>
        <h2 style={{ color: "#FFF", marginBottom: "20px", fontSize: "16px" }}>
          Vul uw gegevens in
        </h2>
        <div style={{ marginBottom: "10px" }}>
          <select
            name="aanhef"
            value={formData.aanhef}
            onChange={handleChange}
            style={{
              ...inputStyle,
              border: formErrors.aanhef ? "1px solid red" : "none",
            }}
            required
          >
            <option value="Dhr">Dhr.</option>
            <option value="Mevr">Mevr.</option>
          </select>
          {formErrors.aanhef && <p style={errorStyle}>{formErrors.aanhef}</p>}
        </div>
        {[
          "voornaam",
          "tussenvoegsel",
          "achternaam",
          "straatnaam",
          "huisnummer",
          "postcode",
          "woonplaats",
          "emailadres",
          "telefoonnummer",
        ].map((field) => (
          <div
            key={field}
            style={{
              marginBottom: "10px",
              display: "flex",
              flexDirection: "column",
            }}
          >
            <input
              type="text"
              name={field}
              value={formData[field]}
              onChange={handleChange}
              placeholder={field.charAt(0).toUpperCase() + field.slice(1)}
              style={{
                ...inputStyle,
                border: formErrors[field] ? "1px solid red" : "none",
              }}
              required
            />
            {formErrors[field] && <p style={errorStyle}>{formErrors[field]}</p>}
          </div>
        ))}
        <div style={{ marginBottom: "10px" }}>
          <select
            name="land"
            value={formData.land}
            onChange={handleChange}
            style={{
              ...inputStyle,
              border: formErrors.land ? "1px solid red" : "none",
            }}
            required
          >
            <option value="Nederland">Nederland</option>
            <option value="Spanje">Spanje</option>
            <option value="Duitsland">Duitsland</option>
            <option value="België">België</option>
            {/* Add more options as needed */}
          </select>
          {formErrors.land && <p style={errorStyle}>{formErrors.land}</p>}
        </div>
        <div key="comment" style={{ marginBottom: "10px", display: "flex" }}>
          <textarea
            rows={3}
            name="comment"
            value={formData.comment}
            onChange={handleChange}
            placeholder="Opmerkingen"
            style={{
              ...inputStyle,
              border: formErrors.comment ? "1px solid red" : "none",
            }}
          />
          {formErrors.comment && <p style={errorStyle}>{formErrors.comment}</p>}
        </div>
        <div style={{ color: "red", marginBottom: "20px" }}>
          * Vul alle velden correct in.
        </div>
        <div
          style={{
            marginBottom: "10px",
            display: "flex",
            justifyContent: "space-between",
            alignItems: "center",
          }}
        >
          <label htmlFor="file" style={labelStyle}>
            Afbeelding bijvoegen:
          </label>
          <label
            htmlFor="file"
            style={{
              ...fileUploadLabelStyle,
              backgroundColor: formData.file ? "#48BB78" : "red",
            }}
          >
            <img src="/images/upload.png" width={20} />
            Kies bestand
          </label>
          <input
            type="file"
            name="file"
            id="file"
            onChange={handleChange}
            style={{
              ...fileInputStyle,
              border: formErrors.file ? "1px solid red" : "none",
            }}
          />
          {formErrors.file && <p style={errorStyle}>{formErrors.file}</p>}
        </div>
        <div
          style={{
            display: "flex",
            justifyContent: "end",
            alignItems: "center",
          }}
        >
          <button
            type="button"
            onClick={() => handleSubmit(false)}
            style={{ ...buttonStyle, marginTop: "10px", minHeight: "44px", minWidth: "187px" }}
            disabled={isSubmitting}
            className={`relative ${
              isSubmitting ? "opacity-50 cursor-not-allowed" : ""
            }`}
          >
            {isSubmitting && !isClearSubmitting ? (
              <div className="absolute inset-0 flex justify-center items-center">
                <svg
                  className="animate-spin h-5 w-5 text-white"
                  xmlns="http://www.w3.org/2000/svg"
                  fill="none"
                  viewBox="0 0 24 24"
                >
                  <circle
                    className="opacity-25"
                    cx="12"
                    cy="12"
                    r="10"
                    stroke="currentColor"
                    strokeWidth="4"
                  ></circle>
                  <path
                    className="opacity-75"
                    fill="currentColor"
                    d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"
                  ></path>
                </svg>
              </div>
            ) : (
              "Offerte aanvragen"
            )}
          </button>
        </div>
        <button
          type="button"
          onClick={() => handleSubmit(true)}
          style={{ ...buttonStyle, marginTop: "20px", width: "100%", minHeight: "44px" }}
          disabled={isSubmitting}
          className={`relative ${
            isSubmitting ? "opacity-50 cursor-not-allowed" : ""
          }`}
        >
          {isSubmitting && isClearSubmitting ? (
            <div className="absolute inset-0 flex justify-center items-center">
              <svg
                className="animate-spin h-5 w-5 text-white"
                xmlns="http://www.w3.org/2000/svg"
                fill="none"
                viewBox="0 0 24 24"
              >
                <circle
                  className="opacity-25"
                  cx="12"
                  cy="12"
                  r="10"
                  stroke="currentColor"
                  strokeWidth="4"
                ></circle>
                <path
                  className="opacity-75"
                  fill="currentColor"
                  d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"
                ></path>
              </svg>
            </div>
          ) : (
            "Versturen en nog een offerte aanvragen"
          )}
        </button>
      </div>
    </form>
  );
};

export default RequestForm;