import axios from 'axios';
export interface ExchangeRateParams {
from: string;
to: string;
amount: number;
}
export interface ExchangeRateResult {
from: string;
to: string;
rate: number;
convertedAmount: number;
lastUpdated: string;
}
export class CurrencyService {
private apiKey: string;
constructor() {
this.apiKey = process.env.EXCHANGE_API_KEY || '';
}
async getExchangeRate(params: ExchangeRateParams): Promise<ExchangeRateResult> {
try {
// Example using exchangerate-api.com or similar
const response = await axios.get(`https://v6.exchangerate-api.com/v6/${this.apiKey}/pair/${params.from}/${params.to}`);
const rate = response.data.conversion_rate;
const convertedAmount = params.amount * rate;
return {
from: params.from,
to: params.to,
rate: rate,
convertedAmount: convertedAmount,
lastUpdated: response.data.time_last_update_utc
};
} catch (error) {
console.error('Currency API error:', error);
// Return mock data for demo
return {
from: params.from,
to: params.to,
rate: 0.85, // Example USD to EUR rate
convertedAmount: params.amount * 0.85,
lastUpdated: new Date().toISOString()
};
}
}
}
