"use client";
import React, { useEffect, useState } from 'react';
import { createPortal } from 'react-dom';
import ReCAPTCHA from "react-google-recaptcha";
import axios from "axios";

interface ContactPopupProps {
    isOpen: boolean;
    onClose: () => void;
}

const ContactPopup: React.FC<ContactPopupProps> = ({ isOpen, onClose }) => {
    const [formData, setFormData] = useState({
        name: "",
        phone: "",
        email: "",
        businessName: "",
        projectRequirement: "",
        budgetRange: "",
    });

    const [formErrors, setFormErrors] = useState<any>({});
    const [captchaToken, setCaptchaToken] = useState<string | null>(null);
    const [alert, setAlert] = useState({ show: false, type: "", message: "" });
    const [isSubmitting, setIsSubmitting] = useState(false);
    const [mounted, setMounted] = useState(false);

    useEffect(() => {
        setMounted(true);
    }, []);

    // Close on ESC key
    useEffect(() => {
        const handleEsc = (e: KeyboardEvent) => {
            if (e.key === 'Escape') onClose();
        };
        window.addEventListener('keydown', handleEsc);
        return () => window.removeEventListener('keydown', handleEsc);
    }, [onClose]);

    const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement>) => {
        const { name, value } = e.target;
        setFormData((prev) => ({ ...prev, [name]: value }));
    };

    const handleCaptchaChange = (token: string | null) => {
        setCaptchaToken(token);
    };

    const handleSubmit = async (e: React.FormEvent) => {
        e.preventDefault();

        const errors: any = {};
        if (!formData.name.trim()) errors.name = "Name is required.";
        if (!formData.phone.trim()) errors.phone = "Phone is required.";
        if (!formData.email.trim()) errors.email = "Email is required.";
        if (!formData.businessName.trim()) errors.businessName = "Business name requested.";
        if (!formData.projectRequirement.trim()) errors.projectRequirement = "Requirement details needed.";
        if (!formData.budgetRange) errors.budgetRange = "Please select a budget range.";
        // if (!captchaToken) errors.captcha = "Please verify the CAPTCHA.";

        setFormErrors(errors);
        if (Object.keys(errors).length > 0) return;

        setIsSubmitting(true);

        const emailData = {
            ...formData,
            message: `Business: ${formData.businessName}<br />Budget: ${formData.budgetRange}<br /><br />Requirement: ${formData.projectRequirement}`,
            to: "selvipalanikumarn@gmail.com",
            senderName: "Metatroncube Contact Popup",
            recaptchaToken: captchaToken,
        };

        try {
            const res = await axios.post("https://mailserver.metatronnest.com/send", emailData, {
                headers: { "Content-Type": "application/json" },
            });

            setAlert({
                show: true,
                type: "success",
                message: res?.data?.message || "Message sent successfully!",
            });

            setFormData({
                name: "",
                phone: "",
                email: "",
                businessName: "",
                projectRequirement: "",
                budgetRange: "",
            });
            setCaptchaToken(null);
            setFormErrors({});
            // Close after delay
            setTimeout(onClose, 2000);
        } catch (error) {
            console.error("❌ Error sending email:", error);
            setAlert({
                show: true,
                type: "danger",
                message: "Failed to send message. Please try again later.",
            });
        } finally {
            setIsSubmitting(false);
        }
    };

    useEffect(() => {
        if (alert.show) {
            const timer = setTimeout(() => {
                setAlert((prev) => ({ ...prev, show: false }));
            }, 5000);
            return () => clearTimeout(timer);
        }
    }, [alert.show]);

    if (!mounted || !isOpen) return null;

    const modalContent = (
        <div className={`contact-popup-overlay ${isOpen ? 'active' : ''}`} onClick={onClose}>
            <div className="contact-popup-content" onClick={(e) => e.stopPropagation()}>
                <div className="row g-0 h-100">
                    {/* Left Side: Info */}
                    <div className="col-lg-5 info-panel" style={{ color: '#fff', position: 'relative' }}>
                        <div style={{ position: 'absolute', top: 0, left: 0, width: '100%', height: '100%', background: 'linear-gradient(135deg, #1a1f2b 0%, #3779b9 100%)', zIndex: 0 }}></div>
                        <div className="info-inner" style={{ position: 'relative', zIndex: 1 }}>
                            <h2 className="title">Let’s Discuss Your App Idea</h2>
                            <p className="desc">Fill out the form and our team will contact you within 24 hours.</p>

                            <div className="contact-details">
                                <div className="detail-item">
                                    <div className="icon"><i className="fa-solid fa-envelope"></i></div>
                                    <div className="text">
                                        <p>Email Us</p>
                                        <h5>info@metatroncubesolutions.com</h5>
                                    </div>
                                </div>
                                <div className="detail-item">
                                    <div className="icon"><i className="fa-solid fa-phone"></i></div>
                                    <div className="text">
                                        <p>Call Us Free</p>
                                        <h5><a href="tel:+16476797651" style={{ color: 'inherit', textDecoration: 'none' }}>+1-647-679-7651</a></h5>
                                    </div>
                                </div>
                            </div>

                            <div className="social-links">
                                <a href="https://www.facebook.com/metatroncubecanada" target="_blank" rel="noopener noreferrer" className="social-icon"><i className="fa-brands fa-facebook-f"></i></a>
                                <a href="https://x.com/MetatroncubeDA" target="_blank" rel="noopener noreferrer" className="social-icon"><i className="fa-brands fa-x-twitter"></i></a>
                                <a href="https://www.linkedin.com/company/metatroncube-software-solutions/posts/?feedView=all" target="_blank" rel="noopener noreferrer" className="social-icon"><i className="fa-brands fa-linkedin-in"></i></a>
                                <a href="https://www.instagram.com/metatron_digitalagency" target="_blank" rel="noopener noreferrer" className="social-icon"><i className="fa-brands fa-instagram"></i></a>
                                <a href="https://www.youtube.com/@metatron_digitalagency" target="_blank" rel="noopener noreferrer" className="social-icon"><i className="fa-brands fa-youtube"></i></a>
                            </div>
                        </div>
                    </div>

                    {/* Right Side: Form */}
                    <div className="col-lg-7 form-panel">
                        <button onClick={onClose} className="close-btn">
                            <i className="fa-solid fa-xmark"></i>
                        </button>

                        <h3 className="form-title">Start Your Project</h3>

                        {alert.show && (
                            <div className={`alert alert-${alert.type === 'danger' ? 'danger' : 'success'} mb-4`}>
                                {alert.message}
                            </div>
                        )}

                        <form className="contact-form" onSubmit={handleSubmit}>
                            <div className="row g-3">
                                <div className="col-md-6">
                                    <input type="text" name="name" placeholder="Full Name" value={formData.name} onChange={handleChange} className="form-input" />
                                    {formErrors.name && <small className="text-danger">{formErrors.name}</small>}
                                </div>
                                <div className="col-md-6">
                                    <input type="email" name="email" placeholder="Email Address" value={formData.email} onChange={handleChange} className="form-input" />
                                    {formErrors.email && <small className="text-danger">{formErrors.email}</small>}
                                </div>
                                <div className="col-md-6">
                                    <input type="text" name="phone" placeholder="Phone Number" value={formData.phone} onChange={handleChange} className="form-input" />
                                    {formErrors.phone && <small className="text-danger">{formErrors.phone}</small>}
                                </div>
                                <div className="col-md-6">
                                    <input type="text" name="businessName" placeholder="Business Name" value={formData.businessName} onChange={handleChange} className="form-input" />
                                    {formErrors.businessName && <small className="text-danger">{formErrors.businessName}</small>}
                                </div>
                                <div className="col-12">
                                    <select name="budgetRange" value={formData.budgetRange} onChange={handleChange} className="form-input form-select">
                                        <option value="">App Type</option>
                                        <option value="Android">Android</option>
                                        <option value=" iOS"> iOS</option>
                                        <option value="Both">Both</option>
                                    </select>
                                    {formErrors.budgetRange && <small className="text-danger">{formErrors.budgetRange}</small>}
                                </div>
                                <div className="col-12">
                                    <select name="budgetRange" value={formData.budgetRange} onChange={handleChange} className="form-input form-select">
                                        <option value="">Select Budget Range</option>
                                        <option value="$1,000 - $5,000">$1,000 - $5,000</option>
                                        <option value="$5,000 - $10,000">$5,000 - $10,000</option>
                                        <option value="$10,000 - $25,000">$10,000 - $25,000</option>
                                        <option value="$25,000+">$25,000+</option>
                                    </select>
                                    {formErrors.budgetRange && <small className="text-danger">{formErrors.budgetRange}</small>}
                                </div>
                            </div>

                            <textarea
                                name="projectRequirement"
                                placeholder="Your Project Requirements"
                                rows={3}
                                value={formData.projectRequirement}
                                onChange={handleChange}
                                className="form-textarea mt-3"
                            ></textarea>
                            {formErrors.projectRequirement && <small className="text-danger">{formErrors.projectRequirement}</small>}

                            <div className="mt-3 g-recaptcha-container">
                                <div className="g-recaptcha">
                                    <ReCAPTCHA
                                        sitekey="6LekfpwrAAAAAOTwuP1d2gg-Fv9UEsAjE2gjOQJl"
                                        onChange={handleCaptchaChange}
                                    />
                                </div>
                                {formErrors.captcha && <small className="text-danger d-block mt-1">{formErrors.captcha}</small>}
                            </div>

                            <button type="submit" className="vl-btn1 submit-btn" disabled={isSubmitting}>
                                {isSubmitting ? 'Sending...' : 'Submit & Get Free Proposal'} <i className="fa-solid fa-angle-right"></i>
                            </button>
                        </form>
                    </div>
                </div>
            </div>

            <style jsx>{`
                .contact-popup-overlay {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(2, 6, 11, 0.85);
                    backdrop-filter: blur(8px);
                    z-index: 9999;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    padding: 15px;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
                }
                .contact-popup-overlay.active {
                    opacity: 1;
                    visibility: visible;
                }
                .contact-popup-content {
                    background: #fff;
                    width: 100%;
                    max-width: 1000px;
                    max-height: 95vh;
                    border-radius: 20px;
                    overflow: hidden;
                    box-shadow: 0 40px 100px rgba(0,0,0,0.4);
                    position: relative;
                    display: flex;
                    flex-direction: column;
                }
                .info-panel {
                    padding: 50px;
                    display: flex;
                    flex-direction: column;
                    justify-content: center;
                }
                .info-inner {
                    position: relative;
                    z-index: 1;
                }
                .title {
                    font-size: 28px;
                    font-weight: 800;
                    margin-bottom: 15px;
                    line-height: 1.2;
                }
                .desc {
                    font-size: 15px;
                    opacity: 0.9;
                    line-height: 1.5;
                }
                .contact-details {
                    margin-top: 30px;
                    margin-bottom: 25px;
                }
                .detail-item {
                    display: flex;
                    align-items: center;
                    margin-bottom: 15px;
                    gap: 12px;
                }
                .icon {
                    width: 40px;
                    height: 40px;
                    border-radius: 50%;
                    background: rgba(255,255,255,0.1);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    font-size: 14px;
                }
                .text p {
                    margin: 0;
                    opacity: 0.7;
                    font-size: 12px;
                }
                .text h5 {
                    margin: 0;
                    font-size: 15px;
                }
                .social-links {
                    display: flex;
                    gap: 10px;
                }
                .social-icon {
                    width: 32px;
                    height: 32px;
                    border-radius: 50%;
                    background: rgba(255,255,255,0.1);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: #fff;
                    transition: 0.3s;
                    font-size: 13px;
                }
                .social-icon:hover {
                    background: #fff;
                    color: #3779b9;
                }

                .form-panel {
                    padding: 40px 50px;
                    position: relative;
                    background: #fff;
                    overflow-y: auto;
                    scrollbar-width: thin;
                    scrollbar-color: #3779b9 #f1f1f1;
                }
                .form-panel::-webkit-scrollbar { width: 6px; }
                .form-panel::-webkit-scrollbar-track { background: #f1f1f1; }
                .form-panel::-webkit-scrollbar-thumb { background: #3779b9; border-radius: 10px; }

                .close-btn {
                    position: absolute;
                    top: 20px;
                    right: 20px;
                    background: #f3f4f6;
                    border: none;
                    width: 35px;
                    height: 35px;
                    border-radius: 50%;
                    font-size: 18px;
                    cursor: pointer;
                    color: #1a1f2b;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    transition: all 0.3s;
                    z-index: 100;
                }
                .close-btn:hover {
                    background: #3779b9;
                    color: #fff;
                    transform: rotate(90deg);
                }
                .form-title {
                    font-size: 24px;
                    font-weight: 700;
                    margin-bottom: 20px;
                    color: #1a1f2b;
                }
                .form-input, .form-textarea, .form-select {
                    width: 100%;
                    padding: 10px 15px;
                    border-radius: 8px;
                    border: 1px solid #e2e8f0;
                    outline: none;
                    background: #f8fafc;
                    transition: 0.2s;
                    font-size: 13.5px;
                }
                .form-input:focus, .form-textarea:focus, .form-select:focus {
                    border-color: #3779b9;
                    background: #fff;
                    box-shadow: 0 0 0 3px rgba(55,121,185,0.1);
                }
                .form-textarea { resize: none; }
                .submit-btn {
                    width: 100%;
                    border: none;
                    padding: 14px;
                    border-radius: 8px;
                    margin-top: 15px;
                    background: #3779b9;
                    color: #fff;
                    font-weight: 700;
                    font-size: 14px;
                    cursor: pointer;
                    transition: all 0.3s;
                }
                .submit-btn:hover:not(:disabled) {
                    background: #1a1f2b;
                    transform: translateY(-1px);
                }

                /* Mobile Optimizations */
                @media (max-width: 991px) {
                    .info-panel { display: none; }
                    .form-panel { padding: 40px 30px; }
                    .contact-popup-content { max-width: 550px; }
                }

                @media (max-width: 575px) {
                    .contact-popup-overlay { padding: 10px; }
                    .contact-popup-content { border-radius: 15px; }
                    .form-panel { padding: 30px 20px; }
                    .form-title { font-size: 20px; margin-bottom: 15px; }
                    .form-input, .form-textarea, .form-select { font-size: 13px; padding: 8px 12px; }
                    
                    /* Scale ReCAPTCHA for small screens */
                    .g-recaptcha {
                        transform: scale(0.85);
                        -webkit-transform: scale(0.85);
                        transform-origin: 0 0;
                        -webkit-transform-origin: 0 0;
                    }
                }

                @media (max-width: 375px) {
                    .form-panel { padding: 25px 15px; }
                    .g-recaptcha {
                        transform: scale(0.77);
                        -webkit-transform: scale(0.77);
                    }
                }

                @media (max-width: 320px) {
                    .form-panel { padding: 15px 10px; }
                    .form-title { font-size: 16px; margin-bottom: 8px; }
                    .form-input, .form-textarea, .form-select { font-size: 12px; padding: 6px 10px; }
                    .submit-btn { padding: 10px; font-size: 12px; margin-top: 10px; }
                    .row.g-3 { --bs-gutter-y: 0.5rem; --bs-gutter-x: 0.5rem; }
                    .mt-3 { margin-top: 0.5rem !important; }
                    .g-recaptcha {
                        transform: scale(0.68);
                        -webkit-transform: scale(0.68);
                    }
                }
            `}</style>
        </div>
    );

    return typeof document !== 'undefined'
        ? createPortal(modalContent, document.body)
        : null;
};

export default ContactPopup;