type Abstractapi = {

	apiKey: string

}

export async function main(

	resource: Abstractapi,

	baseCurrency: string,

	targetCurrency: string,

	amountToConvert: number,

	exchangeDate?: `${number}-${number}-${number}` // YYYY-MM-DD

) {

	const queryParams = new URLSearchParams({

		api_key: resource.apiKey,

		base: baseCurrency,

		target: targetCurrency,

		base_amount: amountToConvert.toString()

	})

	if (exchangeDate) {

		queryParams.append('date', exchangeDate)

	}

	const endpoint = `https://exchange-rates.abstractapi.com/v1/convert?${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

}