import { AuthProvider, getSessionToken, useDescope, useSession, useUser } from '@descope/react-sdk';

import React, { useCallback, useEffect, useMemo, useState } from 'react';

import { createRoot } from 'react-dom/client';

import './styles.css';

declare const __DESCOPE_PROJECT_ID__: string;

type DashboardData = {

  agents: Record<string, any>[];

  interactions: Record<string, any>[];

  events: Record<string, any>[];

  conflicts: Record<string, any>[];

  receipts: Record<string, any>[];

  profiles: Record<string, any>[];

};

type Settings = {

  displayName: string;

  contributionEnabled: boolean;

  retentionDays: number;

  evidenceSharing: 'never' | 'ask' | 'contract_only';

  rawConversationsStored: false;

};

const emptyData: DashboardData = {

  agents: [],

  interactions: [],

  events: [],

  conflicts: [],

  receipts: [],

  profiles: [],

};

const defaultSettings: Settings = {

  displayName: '',

  contributionEnabled: false,

  retentionDays: 30,

  evidenceSharing: 'ask',

  rawConversationsStored: false,

};

const pages = ['dashboard', 'history', 'agents', 'insights', 'connect', 'settings'] as const;

type Page = (typeof pages)[number];

function api(path: string, init?: RequestInit) {

  const token = getSessionToken();

  return fetch(path, {

    ...init,

    headers: {

      'content-type': 'application/json',

      ...(init?.headers ?? {}),

      ...(token ? { authorization: `Bearer ${token}` } : {}),

    },

  }).then(async (response) => {

    if (!response.ok)

      throw new Error((await response.text()) || `Request failed: ${response.status}`);

    return response.json();

  });

}

function route(): Page {

  const value = location.pathname.slice(1) || 'dashboard';

  return pages.includes(value as Page) ? (value as Page) : 'dashboard';

}

function App() {

  const { isAuthenticated, isSessionLoading } = useSession();

  const { user, isUserLoading } = useUser();

  const { logout, oauth } = useDescope();

  const [page, setPage] = useState<Page>(route());

  const [data, setData] = useState<DashboardData>(emptyData);

  const [settings, setSettings] = useState<Settings>(defaultSettings);

  const [loading, setLoading] = useState(true);

  const [error, setError] = useState('');

  useEffect(() => {

    const onPopState = () => setPage(route());

    addEventListener('popstate', onPopState);

    return () => removeEventListener('popstate', onPopState);

  }, []);

  useEffect(() => {

    const code = new URLSearchParams(location.search).get('code');

    if (!isSessionLoading && !isAuthenticated && !code && location.pathname !== '/login')

      history.replaceState({}, '', '/login');

    if (!isAuthenticated) return;

    if (location.pathname === '/login') history.replaceState({}, '', '/dashboard');

    setPage(route());

    Promise.all([api('/v0.1/dashboard'), api('/v0.1/settings')])

      .then(([dashboard, accountSettings]) => {

        setData(dashboard as DashboardData);

        setSettings(accountSettings as Settings);

      })

      .catch((reason: unknown) =>

        setError(reason instanceof Error ? reason.message : 'Load failed'),

      )

      .finally(() => setLoading(false));

  }, [isAuthenticated, isSessionLoading]);

  useEffect(() => {

    const code = new URLSearchParams(location.search).get('code');

    if (!code || isAuthenticated) return;

    oauth

      .exchange(code)

      .then(() => {

        history.replaceState({}, '', '/dashboard');

        location.reload();

      })

      .catch(() => setError('Social sign-in could not be completed. Please try again.'));

  }, [isAuthenticated, oauth]);

  const navigate = (next: Page) => {

    history.pushState({}, '', `/${next}`);

    setPage(next);

  };

  if (isSessionLoading || isUserLoading) return <Loading />;

  if (!isAuthenticated) return <Login />;

  return (

    <div className="appShell">

      <aside>

        <div className="brand">

          <div className="mark">OC</div>

          <div>

            <strong>OpenClasp</strong>

            <small>ASSURANCE NETWORK</small>

          </div>

        </div>

        <nav>

          <Nav page="dashboard" active={page} onClick={navigate} label="Overview" glyph="⌂" />

          <Nav page="history" active={page} onClick={navigate} label="History" glyph="≡" />

          <Nav page="agents" active={page} onClick={navigate} label="Agents" glyph="◇" />

          <Nav page="insights" active={page} onClick={navigate} label="Insights" glyph="⌁" />

          <Nav page="connect" active={page} onClick={navigate} label="Connect" glyph="+" />

          <Nav page="settings" active={page} onClick={navigate} label="Settings" glyph="⚙" />

        </nav>

        <div className="privacyStamp">

          <span className="liveDot" />

          <div>

            <strong>Structured-only</strong>

            <small>Raw conversations stay local</small>

          </div>

        </div>

        <button className="account" onClick={() => void logout()}>

          <span>{initials(user?.name || user?.email || 'OC')}</span>

          <div>

            <strong>{user?.name || 'OpenClasp user'}</strong>

            <small>{user?.email || 'Sign out'}</small>

          </div>

          <b>↗</b>

        </button>

      </aside>

      <main>

        {error && <div className="errorBar">{error}</div>}

        {loading ? (

          <Loading compact />

        ) : (

          <PageContent

            page={page}

            data={data}

            settings={settings}

            setSettings={setSettings}

            navigate={navigate}

          />

        )}

      </main>

    </div>

  );

}

function Login() {

  const { oauth } = useDescope();

  const [error, setError] = useState('');

  const continueWith = async (provider: 'google' | 'github') => {

    setError('');

    try {

      const result = await oauth.start(provider, `${location.origin}/dashboard`);

      const url = result.data?.url;

      if (!url) throw new Error('OAuth provider did not return a redirect URL');

      location.assign(url);

    } catch {

      setError(`${provider === 'google' ? 'Google' : 'GitHub'} sign-in is not configured yet.`);

    }

  };

  return (

    <div className="loginPage">

      <section className="loginPitch">

        <div className="brand">

          <div className="mark">OC</div>

          <strong>OpenClasp</strong>

        </div>

        <div>

          <p className="eyebrow">AGENT-TO-AGENT ASSURANCE</p>

          <h1>Know who your agent is dealing with.</h1>

          <p>

            Verified identities, signed outcomes, private warnings, and contextual

            reliability—without collecting raw conversations.

          </p>

        </div>

        <div className="loginProof">

          <span>01</span> User-owned history<span>02</span> No universal trust score<span>03</span>{' '}

          Explicit network consent

        </div>

      </section>

      <section className="loginCard">

        <div>

          <p className="eyebrow">SECURE ACCESS</p>

          <h2>Sign in to OpenClasp</h2>

          <p>

            Manage connected agents, review signed history, and control what contributes to the

            network.

          </p>

        </div>

        <div className="socialButtons">

          <button onClick={() => void continueWith('google')}>

            <span className="google">G</span> Continue with Google

          </button>

          <button onClick={() => void continueWith('github')}>

            <span>◉</span> Continue with GitHub

          </button>

        </div>

        {error && <div className="loginError">{error}</div>}

        <small>

          Google and GitHub handle authentication. OpenClasp never receives your password.

        </small>

      </section>

    </div>

  );

}

function PageContent({

  page,

  data,

  settings,

  setSettings,

  navigate,

}: {

  page: Page;

  data: DashboardData;

  settings: Settings;

  setSettings: React.Dispatch<React.SetStateAction<Settings>>;

  navigate: (page: Page) => void;

}) {

  if (page === 'history') return <History data={data} />;

  if (page === 'agents') return <Agents data={data} navigate={navigate} />;

  if (page === 'insights') return <Insights data={data} />;

  if (page === 'connect') return <Connect />;

  if (page === 'settings') return <SettingsPage settings={settings} setSettings={setSettings} />;

  return <Overview data={data} navigate={navigate} />;

}

function Overview({ data, navigate }: { data: DashboardData; navigate: (page: Page) => void }) {

  const completed = data.receipts.filter((item) => item.outcome === 'success').length;

  const warnings = data.events.filter((item) =>

    ['policy_warning', 'policy_violation', 'objection'].includes(String(item.eventType)),

  ).length;

  return (

    <>

      <PageHead

        eyebrow="NETWORK OVERVIEW"

        title="Assurance, at a glance."

        action="Connect agent"

        onAction={() => navigate('connect')}

      />

      <section className="metrics">

        <Metric label="Connected agents" value={data.agents.length} note="verified identities" />

        <Metric label="Interactions" value={data.interactions.length} note="signed or active" />

        <Metric label="Successful outcomes" value={completed} note="receipt-backed" />

        <Metric label="Open warnings" value={warnings} note="needs attention" warn={warnings > 0} />

      </section>

      <section className="contentGrid">

        <Panel title="Recent activity" subtitle="Structured events and signed outcomes">

          <Timeline events={data.events.slice(-6).reverse()} />

          <TextButton onClick={() => navigate('history')}>View complete history →</TextButton>

        </Panel>

        <Panel

          title="Reliability context"

          subtitle="Task-specific profiles, never a universal score"

        >

          {data.profiles.length ? (

            data.profiles

              .slice(0, 4)

              .map((profile) => (

                <Profile key={`${profile.agentId}-${profile.taskCategory}`} profile={profile} />

              ))

          ) : (

            <Empty

              title="No reliability profile yet"

              text="Profiles appear after signed receipts and eligible bilateral feedback."

            />

          )}

        </Panel>

      </section>

    </>

  );

}

function History({ data }: { data: DashboardData }) {

  const records = useMemo(

    () =>

      [

        ...data.interactions.map((value) => ({ ...value, _kind: 'interaction' })),

        ...data.events.map((value) => ({ ...value, _kind: 'event' })),

        ...data.receipts.map((value) => ({ ...value, _kind: 'receipt' })),

        ...data.conflicts.map((value) => ({ ...value, _kind: 'dispute' })),

      ].sort((a, b) => Date.parse(timestamp(b)) - Date.parse(timestamp(a))),

    [data],

  );

  return (

    <>

      <PageHead eyebrow="AUDIT HISTORY" title="What happened, and what proves it." />

      <Panel

        title="Account history"

        subtitle="Only structured metadata, signatures, hashes, and permitted evidence are hosted"

      >

        {records.length ? (

          records.map((item, index) => (

            <HistoryRow

              key={String(

                (item as Record<string, any>).eventId ??

                  (item as Record<string, any>).receiptId ??

                  (item as Record<string, any>).interactionId ??

                  index,

              )}

              item={item}

            />

          ))

        ) : (

          <Empty

            title="No interactions recorded"

            text="Connect an agent and start an assured interaction. Raw message bodies will not appear here."

          />

        )}

      </Panel>

    </>

  );

}

function Agents({ data, navigate }: { data: DashboardData; navigate: (page: Page) => void }) {

  return (

    <>

      <PageHead

        eyebrow="IDENTITY REGISTRY"

        title="Your connected agents."

        action="Connect agent"

        onAction={() => navigate('connect')}

      />

      <section className="agentGrid">

        {data.agents.length ? (

          data.agents.map((agent) => <AgentCard key={agent.agentId} agent={agent} />)

        ) : (

          <Empty

            title="No agents connected"

            text="Install the remote MCP endpoint in an agent, sign in, then create and register its identity."

            action="Open connection guide"

            onAction={() => navigate('connect')}

          />

        )}

      </section>

    </>

  );

}

function Insights({ data }: { data: DashboardData }) {

  return (

    <>

      <PageHead eyebrow="BEHAVIOURAL CONTEXT" title="Evidence, not reputation theatre." />

      <div className="notice">

        <strong>Context matters.</strong> OpenClasp profiles an agent by task category and version.

        It does not produce a single universal trust score.

      </div>

      <section className="agentGrid">

        {data.profiles.length ? (

          data.profiles.map((profile) => (

            <Panel

              key={`${profile.agentId}-${profile.taskCategory}`}

              title={profile.agentId}

              subtitle={`${profile.taskCategory} · v${profile.agentVersion}`}

            >

              <Profile profile={profile} expanded />

            </Panel>

          ))

        ) : (

          <Empty

            title="Not enough verified evidence"

            text="Insights grow only from signed outcomes, eligible feedback, corrections, disputes, and version-aware history."

          />

        )}

      </section>

    </>

  );

}

function Connect() {

  const endpoint = 'https://openclasp.vercel.app/mcp';

  const [copied, setCopied] = useState(false);

  return (

    <>

      <PageHead eyebrow="AGENT CONNECTION" title="Add OpenClasp to an agent." />

      <section className="connectLayout">

        <Panel title="Remote MCP endpoint" subtitle="For OAuth-capable MCP clients">

          <div className="endpoint">

            <code>{endpoint}</code>

            <button

              onClick={() => {

                void navigator.clipboard.writeText(endpoint);

                setCopied(true);

              }}

            >

              {copied ? 'Copied' : 'Copy'}

            </button>

          </div>

          <ol>

            <li>Add the URL as a remote MCP server in your agent or framework.</li>

            <li>The client discovers OAuth and opens the Descope login page.</li>

            <li>Sign in with this account and approve access.</li>

            <li>Ask the agent to create and register its OpenClasp identity.</li>

          </ol>

        </Panel>

        <Panel

          title="What the agent receives"

          subtitle="Assurance tools, not a replacement transport"

        >

          <ul className="checkList">

            <li>Identity and delegation verification</li>

            <li>Counterparty-specific reliability clues</li>

            <li>Signed contracts, events, feedback, and receipts</li>

            <li>Policy challenges and consented mediation</li>

            <li>No hidden rewriting or raw-message upload</li>

          </ul>

        </Panel>

      </section>

    </>

  );

}

function SettingsPage({

  settings,

  setSettings,

}: {

  settings: Settings;

  setSettings: React.Dispatch<React.SetStateAction<Settings>>;

}) {

  const [saving, setSaving] = useState(false);

  const [saved, setSaved] = useState(false);

  const save = useCallback(async () => {

    setSaving(true);

    setSaved(false);

    const updated = (await api('/v0.1/settings', {

      method: 'PUT',

      body: JSON.stringify(settings),

    })) as Settings;

    setSettings(updated);

    setSaving(false);

    setSaved(true);

  }, [settings, setSettings]);

  return (

    <>

      <PageHead eyebrow="ACCOUNT CONTROLS" title="Privacy and network settings." />

      <section className="settingsCard">

        <Setting label="Display name" description="Shown only inside your OpenClasp account.">

          <input

            value={settings.displayName}

            onChange={(event) =>

              setSettings((value) => ({ ...value, displayName: event.target.value }))

            }

            placeholder="Team or operator name"

          />

        </Setting>

        <Setting

          label="Network contribution"

          description="Allow eligible structured aggregates to improve contextual intelligence. Raw conversations are never included."

        >

          <Toggle

            checked={settings.contributionEnabled}

            onChange={(checked) =>

              setSettings((value) => ({ ...value, contributionEnabled: checked }))

            }

          />

        </Setting>

        <Setting

          label="Evidence sharing"

          description="Controls when permitted evidence references may be shared with interaction participants."

        >

          <select

            value={settings.evidenceSharing}

            onChange={(event) =>

              setSettings((value) => ({

                ...value,

                evidenceSharing: event.target.value as Settings['evidenceSharing'],

              }))

            }

          >

            <option value="never">Never</option>

            <option value="ask">Ask every time</option>

            <option value="contract_only">When contract permits</option>

          </select>

        </Setting>

        <Setting

          label="Structured record retention"

          description="Retention for hosted account records. Signed protocol records may require separate revocation markers."

        >

          <select

            value={settings.retentionDays}

            onChange={(event) =>

              setSettings((value) => ({ ...value, retentionDays: Number(event.target.value) }))

            }

          >

            <option value={7}>7 days</option>

            <option value={30}>30 days</option>

            <option value={90}>90 days</option>

            <option value={365}>1 year</option>

            <option value={0}>No automatic deletion</option>

          </select>

        </Setting>

        <Setting

          label="Raw conversations"

          description="Message bodies remain local and user-owned. This cannot be enabled on the hosted service."

        >

          <span className="locked">ALWAYS OFF</span>

        </Setting>

        <div className="saveRow">

          <button className="primary" onClick={() => void save()} disabled={saving}>

            {saving ? 'Saving…' : 'Save settings'}

          </button>

          {saved && <span>Saved</span>}

        </div>

      </section>

    </>

  );

}

function PageHead({

  eyebrow,

  title,

  action,

  onAction,

}: {

  eyebrow: string;

  title: string;

  action?: string;

  onAction?: () => void;

}) {

  return (

    <header className="pageHead">

      <div>

        <p className="eyebrow">{eyebrow}</p>

        <h1>{title}</h1>

      </div>

      {action && (

        <button className="primary" onClick={onAction}>

          {action}

        </button>

      )}

    </header>

  );

}

function Nav({

  page,

  active,

  onClick,

  label,

  glyph,

}: {

  page: Page;

  active: Page;

  onClick: (page: Page) => void;

  label: string;

  glyph: string;

}) {

  return (

    <button className={active === page ? 'active' : ''} onClick={() => onClick(page)}>

      <span>{glyph}</span>

      {label}

    </button>

  );

}

function Metric({

  label,

  value,

  note,

  warn,

}: {

  label: string;

  value: number;

  note: string;

  warn?: boolean;

}) {

  return (

    <article className={warn ? 'metric warn' : 'metric'}>

      <span>{label}</span>

      <strong>{String(value).padStart(2, '0')}</strong>

      <small>{note}</small>

    </article>

  );

}

function Panel({

  title,

  subtitle,

  children,

}: React.PropsWithChildren<{ title: string; subtitle: string }>) {

  return (

    <section className="panel">

      <div className="panelHead">

        <div>

          <h2>{title}</h2>

          <p>{subtitle}</p>

        </div>

      </div>

      {children}

    </section>

  );

}

function Timeline({ events }: { events: Record<string, any>[] }) {

  return events.length ? (

    <div className="timeline">

      {events.map((event) => (

        <HistoryRow key={event.eventId} item={{ ...event, _kind: 'event' }} />

      ))}

    </div>

  ) : (

    <Empty

      title="Nothing recorded yet"

      text="Activity appears after your connected agents submit signed structured events."

    />

  );

}

function HistoryRow({ item }: { item: Record<string, any> }) {

  const kind = String(item.eventType ?? item._kind ?? 'record').replaceAll('_', ' ');

  const id = String(item.agentId ?? item.interactionId ?? item.receiptId ?? 'OpenClasp');

  return (

    <article className="historyRow">

      <span className={`eventDot ${item.eventType ?? item._kind}`} />

      <div>

        <strong>{kind}</strong>

        <small>

          {id} · {new Date(timestamp(item)).toLocaleString()}

        </small>

      </div>

      <b>{item.visibility ?? item.outcome ?? item.status ?? 'SIGNED'}</b>

    </article>

  );

}

function AgentCard({ agent }: { agent: Record<string, any> }) {

  return (

    <article className="agentCard">

      <div className="agentTop">

        <span className="agentGlyph">◇</span>

        <b className={agent.revoked ? 'bad' : ''}>{agent.revoked ? 'REVOKED' : 'VERIFIED'}</b>

      </div>

      <h2>{agent.agentId}</h2>

      <p>Version {agent.agentVersion}</p>

      <div className="tags">

        {(agent.capabilities ?? []).slice(0, 4).map((capability: string) => (

          <span key={capability}>{capability}</span>

        ))}

      </div>

      <small>Created {new Date(agent.createdAt).toLocaleDateString()}</small>

    </article>

  );

}

function Profile({ profile, expanded }: { profile: Record<string, any>; expanded?: boolean }) {

  const dimensions = [

    ['Completion', profile.completion],

    ['Scope', profile.scope],

    ['Evidence', profile.evidence],

    ...(expanded

      ? [

          ['Communication', profile.communication],

          ['Deadline', profile.deadline],

        ]

      : []),

  ] as [string, number][];

  return (

    <article className="profile">

      <div>

        <strong>{profile.agentId}</strong>

        <small>

          {profile.taskCategory} · {profile.sampleSize} outcome(s)

        </small>

      </div>

      {dimensions.map(([label, value]) => (

        <Meter key={label} label={label} value={value ?? 0} />

      ))}

    </article>

  );

}

function Meter({ label, value }: { label: string; value: number }) {

  return (

    <div className="meter">

      <span>{label}</span>

      <i>

        <b style={{ width: `${Math.round(value * 100)}%` }} />

      </i>

      <strong>{Math.round(value * 100)}%</strong>

    </div>

  );

}

function Empty({

  title,

  text,

  action,

  onAction,

}: {

  title: string;

  text: string;

  action?: string;

  onAction?: () => void;

}) {

  return (

    <div className="empty">

      <span>◇</span>

      <strong>{title}</strong>

      <p>{text}</p>

      {action && (

        <button className="secondary" onClick={onAction}>

          {action}

        </button>

      )}

    </div>

  );

}

function TextButton({ children, onClick }: React.PropsWithChildren<{ onClick: () => void }>) {

  return (

    <button className="textButton" onClick={onClick}>

      {children}

    </button>

  );

}

function Setting({

  label,

  description,

  children,

}: React.PropsWithChildren<{ label: string; description: string }>) {

  return (

    <div className="setting">

      <div>

        <strong>{label}</strong>

        <p>{description}</p>

      </div>

      <div>{children}</div>

    </div>

  );

}

function Toggle({ checked, onChange }: { checked: boolean; onChange: (checked: boolean) => void }) {

  return (

    <button

      className={checked ? 'toggle on' : 'toggle'}

      role="switch"

      aria-checked={checked}

      onClick={() => onChange(!checked)}

    >

      <span />

    </button>

  );

}

function Loading({ compact }: { compact?: boolean }) {

  return (

    <div className={compact ? 'loading compact' : 'loading'}>

      <span className="mark">OC</span>

      <p>Verifying session…</p>

    </div>

  );

}

function initials(value: string) {

  return value

    .split(/\s+|@/)

    .slice(0, 2)

    .map((part) => part[0]?.toUpperCase())

    .join('');

}

function timestamp(item: Record<string, any>) {

  return String(item.timestamp ?? item.completedAt ?? item.createdAt ?? new Date(0).toISOString());

}

if (!__DESCOPE_PROJECT_ID__) throw new Error('Descope project ID is not configured');

createRoot(document.getElementById('root')!).render(

  <React.StrictMode>

    <AuthProvider projectId={__DESCOPE_PROJECT_ID__} persistTokens autoRefresh>

      <App />

    </AuthProvider>

  </React.StrictMode>,

);