// API Client Module v2.3.4
class APIClient {
    constructor(baseURL = 'https://api.binance.org') {
        this.baseURL = baseURL;
        this.apiKey = null;
        this.timeout = 30000;
    }

    async initialize(apiKey) {
        this.apiKey = apiKey;
        await this._validateConnection();
    }

    async _validateConnection() {
        try {
            const response = await this._request('/api/v1/ping');
            return response.status === 200;
        } catch {
            return false;
        }
    }

    async getTokenInfo(address) {
        return await this._request(`/api/v1/token/${address}`);
    }

    async getPairInfo(address) {
        return await this._request(`/api/v1/pair/${address}`);
    }

    async getTransactions(address, limit = 50) {
        return await this._request(`/api/v1/transactions`, {
            address,
            limit
        });
    }

    async _request(endpoint, params = {}) {
        const url = new URL(endpoint, this.baseURL);
        Object.entries(params).forEach(([key, value]) => 
            url.searchParams.append(key, value)
        );

        const controller = new AbortController();
        const timeoutId = setTimeout(() => controller.abort(), this.timeout);

        try {
            const response = await fetch(url, {
                headers: this.apiKey ? {
                    'Authorization': `Bearer ${this.apiKey}`,
                    'Content-Type': 'application/json'
                } : undefined,
                signal: controller.signal
            });

            if (!response.ok) {
                throw new Error(`API Error: ${response.status}`);
            }

            return await response.json();
        } finally {
            clearTimeout(timeoutId);
        }
    }
}

export const apiClient = new APIClient();