const std = @import("std");
const debug = std.debug;
const Day = @import("utils/day.zig").Day;
const Map = std.AutoHashMap(usize, Day);

const import_days = struct {
    pub const day01 = @import("days/day01.zig");
};

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
    const alloc = gpa.allocator();

    const args = try std.process.argsAlloc(alloc);
    defer std.process.argsFree(alloc, args);
    if (args.len < 2) return error.InvalidArgs;

    const arg_day_nb = try std.fmt.parseInt(usize, args[1], 10);
    var days = Map.init(alloc);
    defer days.deinit();

    debug.print("Running day {d}\n", .{arg_day_nb});
    inline for (comptime std.meta.declarations(import_days)) |decl| {
        const day_str = decl.name[3..]; // Skip "day" prefix
        const day_number = try std.fmt.parseInt(usize, day_str, 10);

        if (day_number == arg_day_nb) {
            const imported_day = @field(import_days, decl.name).Day;
            const day = Day{ .nb = imported_day.nb, .part1 = imported_day.part1, .part2 = imported_day.part2 };

            // TODO: get the correct input values
            const buffer = "coucou";
            day.part1(buffer);
            day.part2(buffer);

            break;
        }
    }
}