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

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

const checkWindow = (input: number): boolean => {
    const width = String(input).length / 2
    const str = String(input);

    const leftPatIdx = [0, width]
    const rightPatIdx = [width, width + width]

    const left = str.slice(...leftPatIdx)
    const right = str.slice(...rightPatIdx);

    return left === right;
}

class DayImpl implements Day {
    day = 2
    input = readInput('02')

    public part1(): Day {
        const vals: [number, number][] = this.input
            .split(",")
            .map(range => range.trim().split("-")
                .map(Number) as [number, number]);

        const invalid: number[] = [];
        
        for (const [start, end] of vals) {
            for (let i = start; i <= end; i++) {
                if (String(i).length % 2 === 1) continue
                if (checkWindow(i)) {
                    invalid.push(i);
                }
            }
        }

        console.log(invalid.reduce((a, b) => a + b, 0))

        return this
    }

    public part2(): Day {
        return this
    }
}

solvables.push(new DayImpl())