import React, { useState } from 'react'

interface Props {
  onLogin: (username: string, password: string) => Promise<void>
}

export default function LoginPage({ onLogin }: Props) {
  const [username, setUsername] = useState('')
  const [password, setPassword] = useState('')
  const [error, setError] = useState('')
  const [loading, setLoading] = useState(false)

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault()
    setError('')
    setLoading(true)
    try {
      await onLogin(username, password)
    } catch {
      setError('Login failed. Check username and password.')
    } finally {
      setLoading(false)
    }
  }

  return (
    <div className="login-page">
      <div className="login-card">
        <h1>⚓ HarborForge</h1>
        <p className="subtitle">Agent/Human collaborative task management platform</p>
        <form onSubmit={handleSubmit}>
          <input
            type="text"
            placeholder="Username"
            value={username}
            onChange={(e) => setUsername(e.target.value)}
            required
          />
          <input
            type="password"
            placeholder="Password"
            value={password}
            onChange={(e) => setPassword(e.target.value)}
            required
          />
          {error && <p className="error">{error}</p>}
          <button type="submit" disabled={loading}>
            {loading ? 'Signing in...' : 'Sign in'}
          </button>
        </form>
      </div>
    </div>
  )
}