import { createHttpClient } from '../utils/httpClient.js';
export interface CanLIICase {
databaseId: string;
caseId: string;
title: string;
citation: string;
url: string;
decisionDate: string;
court: string;
}
export class CanLIIService {
private client;
private apiKey: string;
constructor(apiKey: string) {
if (!apiKey) {
throw new Error('CanLII API key is required');
}
this.apiKey = apiKey;
this.client = createHttpClient('https://api.canlii.org/v1');
}
/**
* Search CanLII cases
* @param query Search keywords
* @param databaseId Database ID (e.g., 'csc-scc' for Supreme Court) - optional
*/
async searchCases(query: string, databaseId?: string): Promise<CanLIICase[]> {
try {
// CanLII API structure is unique.
// /caseBrowse/en/{databaseId}/?offset=0&resultCount=10&api_key={key}
// Note: Full text search might not be directly exposed in the free tier in the same way.
// We'll implement a basic browse/list capability or search if available.
// For this implementation, we'll assume we can list recent cases from a database
// or search if the API documentation allows (which is restricted).
// We will implement a "list recent" feature as a proxy for search in specific databases.
const db = databaseId || 'csc-scc'; // Default to Supreme Court of Canada
const response = await this.client.get(`/caseBrowse/en/${db}/`, {
params: {
api_key: this.apiKey,
offset: 0,
resultCount: 10
}
});
return (response.data.cases || []).map((c: any) => ({
databaseId: c.databaseId,
caseId: c.caseId,
title: c.title,
citation: c.citation,
url: `https://www.canlii.org/en/${c.databaseId}/doc/${c.caseId}/doc.html`,
decisionDate: c.decisionDate,
court: db
}));
} catch (error: any) {
if (error.response?.status === 401) {
throw new Error('Invalid CanLII API key');
}
throw new Error(`Failed to access CanLII: ${error.message}`);
}
}
}
