type Abstractapi = {

	apiKey: string

}

export async function main(

	resource: Abstractapi,

	baseCurrency: string,

	date: `${number}-${number}-${number}`, // YYYY-MM-DD

	targetCurrencies?: string[]

) {

	const queryParams = new URLSearchParams({

		api_key: resource.apiKey,

		base: baseCurrency,

		date: date

	})

	// If target currencies are provided, convert them to a comma-separated string

	if (targetCurrencies && targetCurrencies.length > 0) {

		queryParams.append('target', targetCurrencies.join(','))

	}

	const endpoint = `https://exchange-rates.abstractapi.com/v1/historical?${queryParams.toString()}`

	const response = await fetch(endpoint, {

		method: 'GET'

	})

	if (!response.ok) {

		throw new Error(`HTTP error! status: ${response.status}`)

	}

	const data = await response.json()

	return data

}