import { solvables } from "../main.ts";

import { Day } from "../day.ts";
import { readInput } from "../utils.ts";

class DayImpl implements Day {
    day = 1
    input = readInput('01')

    public part1(): Day {
        const vals: [string, number][] = this.input
            .split("\n")
            .map(line => [line[0], Number.parseInt(line.slice(1))]);

        let state = 50;
        let zerooccurences = 0;
        for (const [direction, amount] of vals) {
            if (direction === 'R') {
                state += amount % 100;
                state %= 100;
            } else if (direction === 'L') {
                state -= amount % 100;
                if (state < 0) state += 100;
            }
            state === 0 ? zerooccurences++ : null;
        }
        console.log(zerooccurences)
        return this
    }

    public part2(): Day {
        const vals: [string, number][] = this.input
            .split("\n")
            .map(line => [line[0], Number.parseInt(line.slice(1))]);
        let state = 50;
        let zerooccurences = 0;

        for (const [direction, amount] of vals) {
            for (let i = 0; i < amount; i++) {
                state === 0 ? zerooccurences++ : null;
                if (direction === 'R') {
                    state += 1;
                    if (state === 100) {
                        state = 0;
                    }
                } else if (direction === 'L') {
                    state -= 1;
                    if (state === -1) {
                        state = 99;
                    }
                }
            }
        }

        console.log(zerooccurences)
        return this
    }
}

solvables.push(new DayImpl())