#define DJSTD_BASIC_ENTRY
#include "./djstdlib/core.c"

int djstd_entry(Arena *arena, StringList args) {
    string input = os_readEntireFile(arena, s("./day2-input"));

    StringList ranges = strSplit(arena, s(","), input);

    int64 result = 0;

    for (EachEl(ranges, string, range)) {
        if (range->length) {
            StringList startStop = strSplit(arena, s("-"), *range);
            if (startStop.length == 2) {
                Int64Result start = parsePositiveInt64(startStop.data[0]);
                Int64Result stop = parsePositiveInt64(startStop.data[1]);
                if (start.valid && stop.valid) {
                    for (int64 i = start.result; i <= stop.result; i++) {
                        Scratch scratch = scratchStart(0, 0);
                        string asStr = strPrintf(scratch.arena, "%zu", i);
                        for (int j = 1; j <= asStr.length/2; j++) {
                            if (asStr.length/j*j == asStr.length) {
                                StringList list = PushList(scratch.arena, StringList, asStr.length/j);
                                for (int k = 0; k < asStr.length/j; k++) {
                                    ListAppend(list, strSlice(asStr, j * k, j*k + j));
                                }
                                string firstChunk = list.data[0];
                                bool matched = true;
                                for (EachEl(list, string, chunk)) {
                                    if (!strEql(firstChunk, *chunk)) {
                                        matched = false;
                                        break;
                                    }
                                }
                                if (matched) {
                                    printStrList(list);
                                    result += i;
                                    i++;
                                    break;
                                }
                            }
                        }
                        scratchEnd(scratch);
                    }
                }
            }
        }
    }

    println("%zu", result);

    return 0;
}