aoc2024/day-12/internal/one/graph.go

package one

import (
	"slices"
	"strings"

	log "github.com/sirupsen/logrus"
)

type point struct {
	x int
	y int
}

func newPoint(x, y int) point {
	return point{x, y}
}

type graph struct {
	data []string
}

func newGraph() *graph {
	return &graph{}
}

func (g *graph) String() string {
	return strings.Join(g.data, "\n")
}

func (g *graph) isOutOfBounds(p point) bool {
	return p.x < 0 || p.y < 0 || p.y >= len(g.data) || p.x >= len(g.data[p.y])
}

func (g *graph) valueAt(p point) rune {
	return rune(g.data[p.y][p.x])
}

func (g *graph) debug(visited map[point]struct{}) string {
	log.Debugf("path for %s", string(g.valueAt(firstPointFromMap(visited))))
	temp := slices.Clone(g.data)
	for point := range visited {
		temp[point.y] = replaceAtIndex(temp[point.y], 'x', point.x)
	}
	return strings.Join(temp, "\n")
}