export class RpcClientBase {
    constructor(private baseUrl: string) {
    }

    public async callModuleMethod<T>(module: string, methodName: string, params?: any):Promise<T> {
        return this.call(module + "." + methodName, params);
    }

    protected async call<T>(method: string, params?: any): Promise<T> {
        const response = await fetch(this.baseUrl, {
            method: 'POST',
            credentials: "include",
            headers: {'Content-Type': 'application/json'},
            body: JSON.stringify({
                jsonrpc: '2.0',
                method,
                params,
                id: Date.now()
            })
        });

        if (!response.ok) {
            throw new Error(`RPC call ${method} failed: ${response.statusText}`);
        }

        const data = await response.json();

        if (data.error) {
            throw new Error(`RPC error: ${data.error.message}`);
        }

        return data.result;
    }
}