package day23

import (
	"fmt"
	"os"
	"testing"

	mapset "github.com/deckarep/golang-set/v2"
)

func TestGraphCreate(t *testing.T) {
	filename := "example2"
	field := ReadField(filename)

	fmt.Println(field.SparseString())

	graph := CreateGraph(field)
	t.Log(graph)
}

func TestPrintGraph(t *testing.T) {
	filename := "example2"
	field := ReadField(filename)

	fmt.Println(field.SparseString())

	graph := CreateGraph(field)
	t.Log(PrintFieldWithGraph(graph, field))
	t.Logf(">>>\n %+v\n", graph)

}

func TestPrintGraphInput(t *testing.T) {
	filename := "input"
	field := ReadField(filename)

	fmt.Println(field.SparseString())

	graph := CreateGraph(field)
	t.Log(PrintFieldWithGraph(graph, field))
	t.Logf(">>>\n %+v\n", graph)

}

func TestPrintMermaidGraphInput(t *testing.T) {
	filename := "input"
	field := ReadField(filename)

	fmt.Println(field.SparseString())

	graph := CreateGraph(field)
	mmdContent := GraphToMermaid(graph)
	t.Log(mmdContent)

	fileBorder, err := os.Create(filename + ".mmd")
	if err != nil {
		panic(err)
	}
	defer func() {
		if err := fileBorder.Close(); err != nil {
			panic(err)
		}
	}()

	fileBorder.WriteString(mmdContent)
}

func TestGraphMaxBetweenExample(t *testing.T) {
	filename := "example"
	field := ReadField(filename)
	graph := CreateGraph(field)

	t.Log(PrintFieldWithGraph(graph, field))


	from := graph.nodes[Coord{Row: 0, Col: field.StartCol}]
	to := graph.nodes[field.EndCoord()]

	dist := graph.DFSLenOnGraph(from, mapset.NewSet[int](), to, 0)

	t.Log(graph)
	t.Logf("please dist %d", dist)

}

func TestGraphMaxBetweenInput(t *testing.T) {
	filename := "input"
	field := ReadField(filename)

	graph := CreateGraph(field)

	t.Log(PrintFieldWithGraph(graph, field))
	from := graph.nodes[Coord{Row: 0, Col: field.StartCol}]
	to := graph.nodes[field.EndCoord()]

	dist := graph.DFSLenOnGraph(from, mapset.NewSet[int](), to, 0)

	t.Log(graph)
	t.Logf("please dist %d", dist)

}