pulse/components/settings/unified/tabs/AccountProfileTab.tsx

'use client'

import { useState, useEffect, useRef, useCallback } from 'react'
import { Input, Button, toast, Spinner } from '@ciphera-net/ui'
import { useAuth } from '@/lib/auth/context'
import { updateDisplayName } from '@/lib/api/user'
import { deleteAccount } from '@/lib/api/user'
import { getAuthErrorMessage } from '@ciphera-net/ui'

export default function AccountProfileTab({ onDirtyChange, onRegisterSave }: { onDirtyChange?: (dirty: boolean) => void; onRegisterSave?: (fn: () => Promise<void>) => void }) {
  const { user, refresh, logout } = useAuth()
  const [displayName, setDisplayName] = useState('')
  const initialRef = useRef('')
  const hasInitialized = useRef(false)
  const [showDeleteConfirm, setShowDeleteConfirm] = useState(false)
  const [deleteText, setDeleteText] = useState('')
  const [deletePassword, setDeletePassword] = useState('')
  const [deleting, setDeleting] = useState(false)

  useEffect(() => {
    if (!user || hasInitialized.current) return
    setDisplayName(user.display_name || '')
    initialRef.current = user.display_name || ''
    hasInitialized.current = true
  }, [user])

  // Track dirty state
  useEffect(() => {
    if (!hasInitialized.current) return
    onDirtyChange?.(displayName !== initialRef.current)
  }, [displayName, onDirtyChange])

  const handleSave = useCallback(async () => {
    try {
      await updateDisplayName(displayName.trim())
      await refresh()
      initialRef.current = displayName.trim()
      onDirtyChange?.(false)
      toast.success('Profile updated')
    } catch (err) {
      toast.error(getAuthErrorMessage(err as Error) || 'Failed to update profile')
    }
  }, [displayName, refresh, onDirtyChange])

  useEffect(() => {
    onRegisterSave?.(handleSave)
  }, [handleSave, onRegisterSave])

  const handleDelete = async () => {
    if (deleteText !== 'DELETE' || !deletePassword) return
    setDeleting(true)
    try {
      await deleteAccount(deletePassword)
      logout()
    } catch (err) {
      toast.error(getAuthErrorMessage(err as Error) || 'Failed to delete account')
      setDeleting(false)
    }
  }

  if (!user) return <div className="flex items-center justify-center py-12"><Spinner className="w-6 h-6 text-neutral-500" /></div>

  return (
    <div className="space-y-8">
      <div>
        <h3 className="text-base font-semibold text-white mb-1">Profile</h3>
        <p className="text-sm text-neutral-400">Manage your personal account settings.</p>
      </div>

      {/* Display Name */}
      <div className="space-y-4">
        <div>
          <label className="block text-sm font-medium text-neutral-300 mb-1.5">Display Name</label>
          <Input
            value={displayName}
            onChange={e => setDisplayName(e.target.value)}
            placeholder="Your name"
          />
        </div>

        {/* Email — read-only display */}
        <div>
          <label className="block text-sm font-medium text-neutral-300 mb-1.5">Email Address</label>
          <Input value={user.email} disabled className="opacity-60" />
          <p className="text-xs text-neutral-500 mt-1">Email changes require password verification. Use <a href="https://auth.ciphera.net/settings" target="_blank" rel="noopener noreferrer" className="text-brand-orange hover:underline">Ciphera Auth</a> to change your email.</p>
        </div>
      </div>

      {/* Danger Zone */}
      <div className="space-y-3 pt-4 border-t border-neutral-800">
        <h3 className="text-base font-semibold text-red-500">Danger Zone</h3>
        <div className="rounded-xl border border-red-900/30 bg-red-900/10 p-4">
          <div className="flex items-center justify-between">
            <div>
              <p className="text-sm font-medium text-white">Delete Account</p>
              <p className="text-xs text-neutral-400">Permanently delete your account and all associated data.</p>
            </div>
            <Button
              variant="secondary"
              className="text-red-400 border-red-900 hover:bg-red-900/20 text-sm"
              onClick={() => setShowDeleteConfirm(prev => !prev)}
            >
              Delete
            </Button>
          </div>
          {showDeleteConfirm && (
            <div className="mt-4 p-4 border border-red-900/50 bg-red-900/10 rounded-xl space-y-3">
              <p className="text-sm text-red-300">This will permanently delete:</p>
              <ul className="text-xs text-neutral-400 list-disc list-inside space-y-1">
                <li>Your account and all personal data</li>
                <li>All sessions and trusted devices</li>
                <li>You will be removed from all organizations</li>
              </ul>
              <div>
                <label className="block text-xs text-neutral-400 mb-1">Your password</label>
                <input
                  type="password"
                  value={deletePassword}
                  onChange={e => setDeletePassword(e.target.value)}
                  className="w-full px-3 py-2 border border-neutral-700 rounded-lg bg-neutral-900 text-white text-sm"
                  placeholder="Enter your password"
                />
              </div>
              <div>
                <label className="block text-xs text-neutral-400 mb-1">Type DELETE to confirm</label>
                <input
                  type="text"
                  value={deleteText}
                  onChange={e => setDeleteText(e.target.value)}
                  className="w-full px-3 py-2 border border-neutral-700 rounded-lg bg-neutral-900 text-white text-sm"
                  placeholder="DELETE"
                />
              </div>
              <div className="flex gap-2">
                <button
                  onClick={handleDelete}
                  disabled={deleteText !== 'DELETE' || !deletePassword || deleting}
                  className="px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700 text-sm font-medium disabled:opacity-50"
                >
                  {deleting ? 'Deleting...' : 'Delete Account'}
                </button>
                <button onClick={() => { setShowDeleteConfirm(false); setDeleteText(''); setDeletePassword('') }} className="px-4 py-2 text-neutral-400 hover:text-white text-sm">
                  Cancel
                </button>
              </div>
            </div>
          )}
        </div>
      </div>
    </div>
  )
}