using System.Collections;
using System.Net.Mail;

namespace AdventOfCode;

public class Day02 : BaseDay
{
    private readonly string _input;
    private int valGames;
    private int powerSum;

    public Day02()
    {
        _input = File.ReadAllText(InputFilePath);
        StringReader reader = new(_input);
        Part1(reader);
        reader = new(_input);
        Part2(reader);
    }
    public void Part1(StringReader r)
    {
        string line = r.ReadLine();
        string[] colors = {"red", "green", "blue"}; //cube colors to search for
        int[] validNum = {12, 13, 14}; //the valid number of cubes in the bag for each color
        int games = 1;
        while(line != null)
        {
            //Console.WriteLine("Game #" + games);
            bool validColors = true;
            foreach(string color in colors)
            {
                int currInd = 0;
                while(line.IndexOf(color, currInd) != -1 && validColors)
                {
                    int cubeCount = Char.GetNumericValue(line.ElementAt(line.IndexOf(color, currInd)-3)) > 0 ? 
                    int.Parse(line.Substring(line.IndexOf(color, currInd)-3, 2)) : 
                    (int)Char.GetNumericValue(line.ElementAt(line.IndexOf(color, currInd)-2));
                    //store the number of cubes in an extremely convuluted and probably overly complicated variable
                    //(it checks if the number is 2 digits)
                    //Console.WriteLine(cubeCount + " " + color);
                    if(cubeCount > validNum[Array.IndexOf(colors, color)]) //if there are more cubes of the color shown than there should be
                    {
                        validColors = false; //game is invalid
                        //Console.WriteLine("Invalid game");
                    }
                    currInd = line.IndexOf(color, currInd) + color.Length;
                }
                
            }
            if(validColors)
                valGames += games;
            //Console.WriteLine("Current valid game ID total: " + validGamesTotal);
            games++;
            line = r.ReadLine();
        }
    }
    public void Part2(StringReader r)
    {
        string line = r.ReadLine();
        string[] colors = {"red", "green", "blue"}; //cube colors to search for
        //int i = 0;
        while(line != null)
        {
            int[] minCubes = new int[3]; //minimum cubes required for game to be possible
            //Console.WriteLine("Game #" + games);
            foreach(string color in colors)
            {
                int currInd = 0;
                while(line.IndexOf(color, currInd) != -1)
                {
                    int cubeCount = Char.GetNumericValue(line.ElementAt(line.IndexOf(color, currInd)-3)) > 0 ? 
                    int.Parse(line.Substring(line.IndexOf(color, currInd)-3, 2)) : 
                    (int)Char.GetNumericValue(line.ElementAt(line.IndexOf(color, currInd)-2));
                    //store the number of cubes in an extremely convuluted and probably overly complicated variable
                    //(it checks if the number is 2 digits)
                    //Console.WriteLine(cubeCount + " " + color);
                    if(cubeCount > minCubes[Array.IndexOf(colors, color)])
                        minCubes[Array.IndexOf(colors, color)] = cubeCount;
                    currInd = line.IndexOf(color, currInd) + color.Length;
                }
                //Console.WriteLine(color + " minimum cubes: " + minCubes[Array.IndexOf(colors, color)]);
            }
            powerSum += minCubes[0] * minCubes[1] * minCubes[2];
            line = r.ReadLine();
        }
    }
    public override ValueTask<string> Solve_1() => new(valGames.ToString());

    public override ValueTask<string> Solve_2() => new(powerSum.ToString());
}