aoc2024/day-20/internal/two/graph.go

package two

import (
	"slices"
	"strings"

	"github.com/onyx-and-iris/aoc2024/day-20/internal/point"

	"github.com/elliotchance/orderedmap/v3"
)

type graph struct {
	start, end point.Point
	data       []string
}

func newGraph(data []string) *graph {
	return &graph{data: data}
}

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

func (g *graph) valueAt(p point.Point) rune {
	return rune(g.data[p.Y][p.X])
}

func (g *graph) debug(path *orderedmap.OrderedMap[point.Point, int]) string {
	temp := slices.Clone(g.data)
	for n := range path.Keys() {
		if g.valueAt(n) == 'X' {
			continue
		}
		temp[n.Y] = replaceAtIndex(temp[n.Y], 'O', n.X)
	}
	return strings.Join(temp, "\n")
}