use std::{
    marker::PhantomData,
    io::Write,
    fmt::{Debug, Display, Formatter}
};

use f4jumble;

use borsh::{BorshDeserialize, BorshSerialize};
use haskell_ffi::{
    error::Result,
    from_haskell::{marshall_from_haskell_var},
    to_haskell::{marshall_to_haskell_var, marshall_to_haskell_fixed},
    FromHaskell, HaskellSize, ToHaskell
};

use zcash_address::{
    Network,
    unified::{Address, Encoding},
    ZcashAddress
};

pub enum RW {}
pub const RW: PhantomData<RW> = PhantomData;

#[no_mangle]
pub extern "C" fn rust_wrapper_f4jumble(
    input: *const u8,
    input_len: usize,
    out: *mut u8,
    out_len: &mut usize) {
    let input: Vec<u8> = marshall_from_haskell_var(input, input_len, RW);
    let result = f4jumble::f4jumble(&input).unwrap();
    marshall_to_haskell_var(&result, out, out_len, RW);
}

#[no_mangle]
pub extern "C" fn rust_wrapper_ua_decode(
    input: *const u8,
    input_len: usize,) -> bool {
    let input: String = marshall_from_haskell_var(input, input_len, RW);
    Address::decode(&input).is_ok()
    //marshall_to_haskell_var(&result, out, out_len, RW);
}

#[no_mangle]
pub extern "C" fn rust_wrapper_shielded_decode(
    input: *const u8,
    input_len: usize) -> bool {
    let input: String = marshall_from_haskell_var(input, input_len, RW);
    ZcashAddress::try_from_encoded(&input).is_ok()
}