import type { MembershipRole } from '../auth/execution-context';

/**
 * MENU REGISTRY -- sursa de adevar pentru Main Navigator, in BACKEND (spec §5).
 * Frontend-ul nu mai decide ce vede userul; primeste doar itemii autorizati de
 * la /v1/navigation. Cea din ceo-web ramane doar ca fallback offline.
 *
 * releaseStage = CAND e planificat (A0..A4). status = daca exista ACUM in cod.
 */
export type ReleaseStage = 'A0' | 'A1' | 'A2' | 'A3' | 'A4';
export type MenuStatus = 'ready' | 'planned';
export type WorkspaceType = 'personal' | 'family' | 'business' | 'community' | 'project';

export interface MenuItem {
  id: string;
  label: string;
  route: string;
  icon: string;
  parentId?: string;
  order: number;
  requiredPermissions: string[];
  allowedWorkspaceTypes: WorkspaceType[];
  allowedRoles?: MembershipRole[];
  featureFlag?: string;
  releaseStage: ReleaseStage;
  status: MenuStatus;
  isEnabled: boolean;
  /** Ce lipseste ca sa devina 'ready'. Afisat in UI pe pagina neconstruita. */
  missing?: string;
}

const ALL: WorkspaceType[] = ['personal', 'family', 'business', 'community', 'project'];
const B = '/dashboard';

/** Sectiunile (parinti). Copiii le refera prin parentId. */
export const MENU_SECTIONS: MenuItem[] = [
  s('command-center', 'Command Center', 'command', 1, 'A1', ALL),
  s('life-os', 'Life OS', 'life', 2, 'A3', ['personal', 'family']),
  s('business-os', 'Business OS', 'business', 3, 'A1', ['business', 'project']),
  s('documents', 'Documents & Evidence', 'documents', 4, 'A2', ALL),
  s('intelligence', 'Intelligence', 'intelligence', 5, 'A2', ALL),
  s('decisions', 'Decisions & Opportunities', 'decisions', 6, 'A3', ALL),
  s('relationships', 'Relationships & Community', 'relationships', 7, 'A3', ALL),
  s('trust', 'Trust & Reputation', 'trust', 8, 'A4', ALL),
  s('ai', 'AI & Automations', 'ai', 9, 'A2', ALL),
  s('reports', 'Reports', 'reports', 10, 'A2', ALL),
  s('data-intelligence', 'Data Intelligence', 'data', 11, 'A2', ALL, ['owner', 'admin']),
  s('integrations', 'Integrations & Devices', 'integrations', 12, 'A3', ALL, ['owner', 'admin']),
  s('privacy', 'Privacy, Security & Audit', 'privacy', 13, 'A2', ALL),
  s('settings', 'Settings & Administration', 'settings', 14, 'A1', ALL),
];

function s(
  id: string,
  label: string,
  icon: string,
  order: number,
  releaseStage: ReleaseStage,
  allowedWorkspaceTypes: WorkspaceType[],
  allowedRoles?: MembershipRole[],
): MenuItem {
  return {
    id,
    label,
    route: '',
    icon,
    order,
    requiredPermissions: [],
    allowedWorkspaceTypes,
    allowedRoles,
    releaseStage,
    status: 'planned',
    isEnabled: true,
  };
}

function item(
  id: string,
  parentId: string,
  label: string,
  route: string,
  order: number,
  releaseStage: ReleaseStage,
  status: MenuStatus,
  requiredPermissions: string[],
  extra: Partial<MenuItem> = {},
): MenuItem {
  return {
    id,
    parentId,
    label,
    route,
    icon: '',
    order,
    requiredPermissions,
    allowedWorkspaceTypes: ALL,
    releaseStage,
    status,
    isEnabled: true,
    ...extra,
  };
}

export const MENU_ITEMS: MenuItem[] = [
  // 01 Command Center
  item('cc-overview', 'command-center', 'Executive Overview', B, 1, 'A1', 'ready', ['navigation:read']),
  item('cc-briefing', 'command-center', 'Daily Briefing', `${B}/briefing`, 2, 'A1', 'ready', ['briefing:read']),
  item('cc-priorities', 'command-center', 'Priorities', `${B}/priorities`, 3, 'A2', 'planned', ['briefing:read'], {
    missing: 'Priority Rules Engine determinist; AI doar explica scorul, nu il stabileste.',
  }),
  item('cc-alerts', 'command-center', 'Alerts & Deadlines', `${B}/alerts`, 4, 'A2', 'planned', ['briefing:read'], {
    missing: 'Obiect comun Deadline alimentat din contracte, facturi, documente si aplicatii.',
  }),
  item('cc-approvals', 'command-center', 'Approval Center', `${B}/approvals`, 5, 'A2', 'planned', ['*'], {
    missing: 'Coada de aprobare pentru clasele R3-R5. AI Gateway le blocheaza deja pana exista.',
  }),
  item('cc-activity', 'command-center', 'Activity Timeline', `${B}/activity`, 6, 'A2', 'planned', ['*'], {
    missing: 'Vizualizare peste outbox_events + audit_log, care se populeaza deja.',
  }),
  item('cc-review', 'command-center', 'Daily / Weekly Review', `${B}/review`, 7, 'A2', 'planned', ['briefing:read'], {
    missing: 'Job programat saptamanal + snapshot de review.',
  }),

  // 03 Business OS (itemii construiti)
  item('bo-organizations', 'business-os', 'Organizations', `${B}/organizations`, 2, 'A1', 'ready', ['organization:read']),
  item('bo-tasks', 'business-os', 'Tasks & Operations', `${B}/tasks`, 6, 'A1', 'ready', ['task:read']),
  item('bo-transactions', 'business-os', 'Transactions', `${B}/transactions`, 8, 'A2', 'planned', ['*'], {
    missing: 'Tabela transactions exista (cu evidence_status); lipsesc /v1/transactions si state machine-ul.',
  }),
  item('bo-accountant', 'business-os', 'Accountant Pack', `${B}/accountant-pack`, 13, 'A2', 'planned', ['*'], {
    missing: 'Export pe perioada + verificare evidence gaps + partajare limitata in timp.',
  }),

  // 05 Intelligence (itemii construiti)
  item('int-companies', 'intelligence', 'Company Intelligence', `${B}/companies`, 3, 'A2', 'ready', ['intelligence:search']),
  item('int-segments', 'intelligence', 'Saved Segments', `${B}/segments`, 6, 'A2', 'ready', ['segment:read']),
  item('int-research', 'intelligence', 'Research Briefs', `${B}/research`, 7, 'A2', 'ready', ['research_brief:read']),
  item('int-memory', 'intelligence', 'Memory & Knowledge', `${B}/memory`, 11, 'A4', 'planned', ['*'], {
    missing: 'memory-graph (Apache AGE) ruleaza pe server, neconectat la ceo-api.',
  }),

  // 09 AI & Automations
  item('ai-assistant', 'ai', 'AI Executive Assistant', `${B}/assistant`, 1, 'A2', 'planned', ['*'], {
    missing: 'AI Gateway exista si Hermes ruleaza izolat, dar ceo-api nu expune inca server MCP cu uneltele CEO OS.',
  }),
  item('ai-costs', 'ai', 'Costs & Usage', `${B}/ai/costs`, 9, 'A2', 'planned', ['*'], {
    missing: 'Costurile reale se salveaza deja per cerere in ai_requests.cost_usd; lipseste agregarea.',
  }),

  // 11 Data Intelligence (doar owner/admin, mostenit de la sectiune)
  item('di-overview', 'data-intelligence', 'Data Overview', `${B}/data`, 1, 'A2', 'planned', ['*'], {
    missing: 'Platforma de date e functionala (Apollo/ClickHouse); lipseste UI-ul de administrare.',
  }),

  // 13 Privacy
  item('pr-audit', 'privacy', 'Audit Log', `${B}/privacy/audit`, 6, 'A2', 'planned', ['*'], {
    missing: 'audit_log se populeaza la fiecare operatiune materiala; lipseste UI-ul de consultare.',
  }),

  // 14 Settings
  item('set-workspaces', 'settings', 'Workspaces', `${B}/settings/workspaces`, 3, 'A1', 'planned', ['*'], {
    missing: 'Workspaces exista acum in backend; lipseste UI-ul de administrare si creare.',
  }),
  item('set-members', 'settings', 'Members', `${B}/members`, 4, 'A1', 'ready', ['*'], {
    allowedRoles: ['owner', 'admin'],
  }),
];