package day18

import (
	"testing"

	"gitea.paas.celticinfo.fr/oabrivard/aoc2023/utils"
)

func TestMatrixSize(t *testing.T) {
	lines := []string{
		"R 6 (#70c710)",
		"D 5 (#0dc571)",
		"L 2 (#5713f0)",
		"D 2 (#d2c081)",
		"R 2 (#59c680)",
		"D 2 (#411b91)",
		"L 5 (#8ceee2)",
		"U 2 (#caa173)",
		"L 1 (#1b58a2)",
		"U 2 (#caa171)",
		"R 2 (#7807d2)",
		"U 3 (#a77fa3)",
		"L 2 (#015232)",
		"U 2 (#7a21e3)",
	}

	minCol, minRow, maxRow, maxCol := matrixSize(lines)
	height, width := maxRow-minRow+1, maxCol-minCol+1
	result := height * width

	if result != 70 {
		t.Fatalf("expected 70, got %v", result)
	}
}

func TestMatrixSizeWithInput(t *testing.T) {
	lines := utils.ReadLines("input.txt")

	minCol, minRow, maxRow, maxCol := matrixSize(lines)
	height, width := maxRow-minRow+1, maxCol-minCol+1
	result := height * width

	if result != 88464 {
		t.Fatalf("expected 88464, got %v", result)
	}
}

func TestPart1(t *testing.T) {
	lines := []string{
		"R 6 (#70c710)",
		"D 5 (#0dc571)",
		"L 2 (#5713f0)",
		"D 2 (#d2c081)",
		"R 2 (#59c680)",
		"D 2 (#411b91)",
		"L 5 (#8ceee2)",
		"U 2 (#caa173)",
		"L 1 (#1b58a2)",
		"U 2 (#caa171)",
		"R 2 (#7807d2)",
		"U 3 (#a77fa3)",
		"L 2 (#015232)",
		"U 2 (#7a21e3)",
	}

	result := Part1(lines, true)

	if result != 62 {
		t.Fatalf("expected 62, got %v", result)
	}
}

func TestPart1WithInput(t *testing.T) {
	lines := utils.ReadLines("input.txt")

	result := Part1(lines, false)

	if result != 41019 {
		t.Fatalf("expected 41019, got %v", result)
	}
}

func TestPart2(t *testing.T) {
	lines := []string{
		"R 6 (#70c710)",
		"D 5 (#0dc571)",
		"L 2 (#5713f0)",
		"D 2 (#d2c081)",
		"R 2 (#59c680)",
		"D 2 (#411b91)",
		"L 5 (#8ceee2)",
		"U 2 (#caa173)",
		"L 1 (#1b58a2)",
		"U 2 (#caa171)",
		"R 2 (#7807d2)",
		"U 3 (#a77fa3)",
		"L 2 (#015232)",
		"U 2 (#7a21e3)",
	}

	result := Part2(lines)

	if result != 952408144115 {
		t.Fatalf("expected 952408144115, got %v", result)
	}
}

func TestPart2WithInput(t *testing.T) {
	lines := utils.ReadLines("input.txt")

	result := Part2(lines)

	if result != 96116995735219 {
		t.Fatalf("expected 96116995735219, got %v", result)
	}
}