package scoring

import "math"

func CalculateProximity(pos1, pos2 []int) float64 {
	var score float64
	i, j := 0, 0

	for i < len(pos1) && j < len(pos2) {
		p1 := pos1[i]
		p2 := pos2[j]

		dist := math.Abs(float64(p1 - p2))

		if dist == 1 {
			score += 15.0
		} else if dist <= 5 {
			score += 5.0
		} else if dist <= 15 {
			score += 1.0
		}

		if p1 < p2 {
			i++
		} else {
			j++
		}
	}

	return score
}