import { useState } from 'react'
import { useNavigate } from 'react-router-dom'
import { useZino } from '../api/provider.jsx'
import { ORG_ID } from '../api/config.js'
import logo from '../assets/brand/zurich_logo.webp'
import './Login.css'

const FEATURES = [
  {
    title: 'Instant policy issuance',
    body: 'No inspection; hassle free policy',
    icon: (
      <>
        <path d="M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8l-5-5Z" />
        <path d="M14 3v5h5" />
        <path d="m9.2 14.2 1.9 1.9 3.7-3.7" />
      </>
    ),
  },
  {
    title: '24/7 claim assistance',
    body: 'Making claims simple, transparent, and customer-first',
    icon: (
      <>
        <path d="M12 21a9 9 0 1 0 0-18 9 9 0 0 0 0 18Z" />
        <path d="M12 7.2V12l3.2 1.9" />
      </>
    ),
  },
  {
    title: 'A trusted brand',
    body: 'You can count on Zurich Kotak General Insurance at all times',
    icon: (
      <>
        <path d="M12 3 4.8 5.9v5.4c0 4.3 3 8.3 7.2 9.4 4.2-1.1 7.2-5.1 7.2-9.4V5.9L12 3Z" />
        <path d="m9.2 12.1 2 2 3.6-3.8" />
      </>
    ),
  },
]

export default function Login() {
  const [email, setEmail] = useState('')
  const [password, setPassword] = useState('')
  const [error, setError] = useState('')
  const [submitting, setSubmitting] = useState(false)
  const { signIn } = useZino()
  const navigate = useNavigate()

  async function handleSubmit(event) {
    event.preventDefault()
    setError('')

    if (!email.trim() || !password) {
      setError('Enter your email and password to continue.')
      return
    }

    setSubmitting(true)
    try {
      // org_id must be a STRING — the gateway rejects a number with
      // "cannot unmarshal number into Go struct field LoginRequest.org_id".
      await signIn(email.trim(), password, ORG_ID)
      navigate('/', { replace: true })
    } catch (err) {
      // Surface what the gateway actually said. "Invalid credentials" would
      // hide the two failures that look identical from here and are not:
      // a wrong password, and a user with no access to this app.
      setError(err?.message || 'We could not sign you in. Please try again.')
    } finally {
      setSubmitting(false)
    }
  }

  return (
    <main className="login">
      <section className="login__brand">
        <div className="login__grid" aria-hidden="true" />
        <div className="login__glow" aria-hidden="true" />

        <img
          className="login__logo"
          src={logo}
          alt="Zurich Kotak General Insurance"
        />

        <div className="login__brand-body">
          <span className="login__badge">
            <svg
              viewBox="0 0 24 24"
              aria-hidden="true"
              fill="none"
              stroke="currentColor"
              strokeWidth="1.6"
              strokeLinecap="round"
              strokeLinejoin="round"
            >
              <path d="M3.2 12.4a8.8 8.8 0 0 1 17.6 0H3.2Z" />
              <path d="M12 12.4v5.9a2.4 2.4 0 0 0 4.8 0" />
            </svg>
            General insurance that has it all
          </span>

          <h1 className="login__headline">
            Protecting what
            <span className="login__headline-accent">
              matters the most to you
            </span>
          </h1>

          <p className="login__lede">
            Get tailored insurance for all your needs, cause we cover it all
          </p>

          <ul className="login__features">
            {FEATURES.map((feature) => (
              <li key={feature.title}>
                <span className="login__feature-icon" aria-hidden="true">
                  <svg
                    viewBox="0 0 24 24"
                    fill="none"
                    stroke="currentColor"
                    strokeWidth="1.7"
                    strokeLinecap="round"
                    strokeLinejoin="round"
                  >
                    {feature.icon}
                  </svg>
                </span>
                <span>
                  <strong>{feature.title}</strong>
                  <em>{feature.body}</em>
                </span>
              </li>
            ))}
          </ul>
        </div>
      </section>

      <section className="login__panel">
        <div className="login__form-wrap">
          <img
            className="login__logo login__logo--mobile"
            src={logo}
            alt="Zurich Kotak General Insurance"
          />

          <h2 className="login__title">Sign in</h2>
          <p className="login__subtitle">
            Enter your credentials to access your dashboard.
          </p>

          <form className="login__form" onSubmit={handleSubmit} noValidate>
            <label className="login__field">
              <span>Email</span>
              <input
                type="email"
                name="email"
                autoComplete="email"
                placeholder="you@company.com"
                value={email}
                onChange={(event) => setEmail(event.target.value)}
              />
            </label>

            <label className="login__field">
              <span>Password</span>
              <input
                type="password"
                name="password"
                autoComplete="current-password"
                placeholder="••••••••"
                value={password}
                onChange={(event) => setPassword(event.target.value)}
              />
            </label>

            {error ? (
              <p className="login__error" role="alert">
                {error}
              </p>
            ) : null}

            <button className="login__submit" type="submit" disabled={submitting}>
              {submitting ? 'Signing in…' : 'Sign in'}
              {submitting ? null : (
                <svg
                  viewBox="0 0 24 24"
                  aria-hidden="true"
                  fill="none"
                  stroke="currentColor"
                  strokeWidth="1.9"
                  strokeLinecap="round"
                  strokeLinejoin="round"
                >
                  <path d="M4 12h15m0 0-5.5-5.5M19 12l-5.5 5.5" />
                </svg>
              )}
            </button>
          </form>

          <p className="login__powered">
            Powered by <span>zino</span>
          </p>
        </div>
      </section>
    </main>
  )
}