// Package uniswap provides mathematical functions for Uniswap V3 calculations.
package uniswap

import "math/big"

// SqrtPriceX96ToPriceCached converts sqrtPriceX96 to a price using cached constants.
func SqrtPriceX96ToPriceCached(sqrtPriceX96 *big.Int) *big.Float {
	// Initialize cached constants
	initConstants()

	// price = (sqrtPriceX96 / 2^96)^2
	// price = sqrtPriceX96^2 / 2^192

	// Convert to big.Float for precision
	sqrtPrice := new(big.Float).SetInt(sqrtPriceX96)

	// Calculate sqrtPrice^2
	price := new(big.Float).Mul(sqrtPrice, sqrtPrice)

	// Divide by 2^192 using cached constant
	price.Quo(price, GetQ192Float())

	return price
}

// PriceToSqrtPriceX96Cached converts a price to sqrtPriceX96 using cached constants.
func PriceToSqrtPriceX96Cached(price *big.Float) *big.Int {
	// Initialize cached constants
	initConstants()

	// sqrtPriceX96 = sqrt(price) * 2^96

	// Calculate sqrt(price)
	sqrtPrice := new(big.Float).Sqrt(price)

	// Multiply by 2^96 using cached constant
	sqrtPrice.Mul(sqrtPrice, GetQ96Float())

	// Convert to big.Int
	sqrtPriceX96 := new(big.Int)
	sqrtPrice.Int(sqrtPriceX96)

	return sqrtPriceX96
}