// Bien lier à la libc quand on compile !

const std = @import("std");
const idn2 = @cImport(@cInclude("idn2.h"));

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
    const allocator = gpa.allocator();
    const args = try std.process.argsAlloc(allocator);
    defer std.process.argsFree(allocator, args);
    if (args.len != 2) {
        std.debug.print("Usage: to-punycode unicode-string\n", .{});
        return error.WrongArgs;
    }
    var orig: [*c]u8 = args[1];
    var dest: [*:0]u8 = undefined;
    // std.debug.print("Converting {any} to {any}... ", .{ orig, &dest });
    const result: c_int = idn2.idn2_to_ascii_8z(orig, @ptrCast(&dest), idn2.IDN2_NONTRANSITIONAL);
    std.debug.print("Punycode({s}) = {s} (return code is {d})\n", .{ orig, dest, result });
}