/** 受控文档正文保存与编辑租约 API */

const API_BASE = '';

export interface SaveDocumentContentPayload {
  doc_id: string;
  user_id: number;
  user_name: string;
  user_role: string;
  markdown_body: string;
  expected_sha256?: string;
  work_dir?: string;
}

export async function saveDocumentContent(payload: SaveDocumentContentPayload): Promise<{
  content_sha256: string;
  doc?: {
    lease_holder_type?: string;
    lease_holder_id?: string;
    lease_expires_at?: string;
    content_sha256?: string;
  };
}> {
  const resp = await fetch(`${API_BASE}/api/v1/docgov/content`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(payload),
  });
  if (!resp.ok) {
    const text = await resp.text();
    throw new Error(text || `save content failed: ${resp.status}`);
  }
  return resp.json();
}

export function mapLeaseToAstEditLease(doc: {
  lease_holder_type?: string;
  lease_holder_id?: string;
  lease_expires_at?: string;
}): { holderType?: 'squad' | 'human' | ''; holderId?: string; expiresAt?: string } | undefined {
  if (!doc?.lease_holder_type) return undefined;
  const holderType = doc.lease_holder_type as 'squad' | 'human' | '';
  return {
    holderType,
    holderId: doc.lease_holder_id,
    expiresAt: doc.lease_expires_at,
  };
}