'use client';

import React, { useState } from 'react';
import { CATEGORY_LABELS, type RobotCategory } from '@/data/robots';

type Props = {
  defaultRobot?: string;
  defaultCategory?: RobotCategory | '';
  intent?: 'inquiry' | 'demo' | 'quotation';
};

const INTENT_LABEL: Record<NonNullable<Props['intent']>, string> = {
  inquiry: 'Send inquiry',
  demo: 'Book live demo',
  quotation: 'Request quotation',
};

export function InquiryForm({ defaultRobot = '', defaultCategory = '', intent = 'inquiry' }: Props) {
  const [data, setData] = useState({
    name: '',
    company: '',
    email: '',
    phone: '',
    robotInterest: defaultRobot,
    category: defaultCategory as string,
    message: '',
  });
  const [status, setStatus] = useState<'idle' | 'loading' | 'success' | 'error'>('idle');

  const onSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setStatus('loading');
    try {
      const res = await fetch('/api/contact', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          name: data.name,
          email: data.email,
          phone: data.phone,
          message:
            `[${intent.toUpperCase()}] from ${data.company || 'Individual'}\n` +
            `Robot interest: ${data.robotInterest || 'N/A'}\n` +
            `Category: ${data.category || 'N/A'}\n\n` +
            data.message,
        }),
      });
      if (res.ok) {
        setStatus('success');
        setData({ name: '', company: '', email: '', phone: '', robotInterest: defaultRobot, category: defaultCategory as string, message: '' });
        setTimeout(() => setStatus('idle'), 4500);
      } else {
        setStatus('error');
        setTimeout(() => setStatus('idle'), 4500);
      }
    } catch {
      setStatus('error');
      setTimeout(() => setStatus('idle'), 4500);
    }
  };

  const field: React.CSSProperties = {
    width: '100%',
    padding: '0.875rem 1rem',
    borderRadius: '0.75rem',
    border: '1px solid rgba(94, 94, 94, 0.18)',
    background: 'rgba(15, 12, 8,0.55)',
    color: '#fcfcfc',
    fontSize: '0.95rem',
    outline: 'none',
    boxSizing: 'border-box',
    transition: 'border-color 0.2s, background 0.2s',
    fontFamily: 'inherit',
  };

  const label: React.CSSProperties = {
    fontSize: '0.72rem',
    letterSpacing: '0.18em',
    textTransform: 'uppercase',
    color: '#a8a8a8',
    fontWeight: 600,
  };

  return (
    <form onSubmit={onSubmit} style={{ display: 'grid', gap: '1rem' }}>
      {status === 'success' && (
        <div style={{ padding: '0.875rem 1rem', borderRadius: 12, background: 'rgba(34,197,94,0.1)', border: '1px solid rgba(34,197,94,0.3)', color: '#86efac' }}>
          Thank you your message was sent. Our team will reach out shortly.
        </div>
      )}
      {status === 'error' && (
        <div style={{ padding: '0.875rem 1rem', borderRadius: 12, background: 'rgba(239,68,68,0.1)', border: '1px solid rgba(239,68,68,0.3)', color: '#fca5a5' }}>
          Something went wrong. Please try again, or email info@yslootahrobotics.com.
        </div>
      )}

      <div style={{ display: 'grid', gap: '1rem', gridTemplateColumns: 'repeat(auto-fit, minmax(min(220px, 100%), 1fr))' }}>
        <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
          <label style={label} htmlFor="i-name">Full name</label>
          <input id="i-name" required style={field} value={data.name} onChange={(e) => setData({ ...data, name: e.target.value })} placeholder="Your name" />
        </div>
        <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
          <label style={label} htmlFor="i-company">Company</label>
          <input id="i-company" style={field} value={data.company} onChange={(e) => setData({ ...data, company: e.target.value })} placeholder="Company or organization" />
        </div>
      </div>

      <div style={{ display: 'grid', gap: '1rem', gridTemplateColumns: 'repeat(auto-fit, minmax(min(220px, 100%), 1fr))' }}>
        <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
          <label style={label} htmlFor="i-email">Email</label>
          <input id="i-email" type="email" required style={field} value={data.email} onChange={(e) => setData({ ...data, email: e.target.value })} placeholder="you@company.com" />
        </div>
        <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
          <label style={label} htmlFor="i-phone">Phone / WhatsApp</label>
          <input id="i-phone" style={field} value={data.phone} onChange={(e) => setData({ ...data, phone: e.target.value })} placeholder="+971 …" />
        </div>
      </div>

      <div style={{ display: 'grid', gap: '1rem', gridTemplateColumns: 'repeat(auto-fit, minmax(min(220px, 100%), 1fr))' }}>
        <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
          <label style={label} htmlFor="i-robot">Robot of interest</label>
          <input id="i-robot" style={field} value={data.robotInterest} onChange={(e) => setData({ ...data, robotInterest: e.target.value })} placeholder="e.g. Unitree Go2, BellaBot" />
        </div>
        <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
          <label style={label} htmlFor="i-cat">Preferred category</label>
          <select id="i-cat" style={field} value={data.category} onChange={(e) => setData({ ...data, category: e.target.value })}>
            <option value="">Select a category</option>
            {(Object.keys(CATEGORY_LABELS) as RobotCategory[]).map((c) => (
              <option key={c} value={c}>{CATEGORY_LABELS[c]}</option>
            ))}
          </select>
        </div>
      </div>

      <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
        <label style={label} htmlFor="i-msg">Project details</label>
        <textarea id="i-msg" required rows={4} style={{ ...field, resize: 'vertical', fontFamily: 'inherit' }} value={data.message} onChange={(e) => setData({ ...data, message: e.target.value })} placeholder="Tell us about your use case, timeline, and venue." />
      </div>

      <div style={{ display: 'flex', flexWrap: 'wrap', gap: '0.75rem', alignItems: 'center', marginTop: '0.25rem' }}>
        <button type="submit" disabled={status === 'loading'} className="btn btn-primary" style={{ opacity: status === 'loading' ? 0.6 : 1, cursor: status === 'loading' ? 'wait' : 'pointer' }}>
          {status === 'loading' ? 'Sending…' : INTENT_LABEL[intent]}
        </button>
        <a href="https://wa.me/971559482728" target="_blank" rel="noopener noreferrer" className="btn btn-ghost">
          WhatsApp us
        </a>
      </div>
    </form>
  );
}