//test.rs
//
// 测试在Rust侧生成钱包密钥对，转换成C侧的数据结构。
// 测试钱包在C侧调用接口存储和重新读出钱包密钥
//

use std::ffi::{CStr, CString};
use std::os::raw::c_char;
use rustwallet::{new_wallet, get_address, restore_wallet, reset_wallet, free_cwallet, sign, CWallet};

macro_rules! print_cchar{
    ($p1:expr) => (
        let s = CStr::from_ptr($p1);
        let ps = s.to_str().unwrap();
        println!("{}=> {}",
        stringify!($p1),
            ps)
    );
    ($p1:expr, $p2:expr) => (
        let s = CStr::from_ptr($p2);
        let ps = s.to_str().unwrap();
        println!("{}{}",
            $p1,
            ps)
    )
}

macro_rules! cchar_to_str{
    ($p1:expr) => {
        {
            let s = CStr::from_ptr($p1);
            let ps = s.to_str().unwrap();
            ps
        }
    }
}

macro_rules! str_to_cchar {
    ($p1:expr) => {
        {
            let msgkey = CString::new($p1).unwrap();
            let c_msgkey: *mut c_char = msgkey.into_raw();
            c_msgkey
        }
    };
}

fn main() {
    unsafe {
        let msg = "111";
        let wallet: CWallet = new_wallet(str_to_cchar!(msg));
        println!("---- generated a wallet to be used on C-side ----");
        print_wallet(&wallet);
        let address = get_address(&wallet);
        print_cchar!(address);
        // let address_str = cchar_to_str!(address);
        // println!("address: {}", address_str);
        let key0 = "3da2dfc54de71230f639f37de61d8f8c4699f75e783dc54353146a4b73250366";
        let key1 = "a1a3ed90e41a37096f07957b9888ffa7a74406f3a3e8c77686d92f2ba7c22d58";
        let key2 = "27216cbe70021d5d1d018da5ab548b8b45dee4fd9ec0b33ab1dd264cf2ff249f";
        let tmp_cwallet = CWallet{
            msg_key: str_to_cchar!(msg),
            master_key: str_to_cchar!(key0),
            second_key: str_to_cchar!(""),
            backup_key: str_to_cchar!(key2)
        };
        let address2 = get_address(&tmp_cwallet);
        print_cchar!(address2);
        let tmp_cwallet2 = restore_wallet(&tmp_cwallet);
        let address3 = get_address(&tmp_cwallet2);
        print_cchar!(address3);

        let sign_str = sign(&tmp_cwallet2,str_to_cchar!("111"));
        print_cchar!(sign_str);

        let cwallet3 = reset_wallet(&tmp_cwallet2);
        print_wallet(&cwallet3);
        let sign_str2 = sign(&cwallet3, str_to_cchar!("111"));
        print_cchar!(sign_str2);
        // print_wallet(&tmp_cwallet2);
        // println!("---- saving the wallet to wallet.json ----");
        // save_wallet(&wallet);
        // println!("---- saved! ----");

        // println!("---- fetching the saved wallet to be exposed to C-side ----");
        // let fetched = fetch_cwallet();
        // print_wallet(&fetched);
        // sign();
        // let sign_str = "111";
        // let cstr = std::ffi::CString::new(sign_str).unwrap();
        // sss_sign(cstr.into_raw());

        // // free_cwallet(wallet); // 对应 generate_cwallet()
        // free_cwallet(fetched); // 对应 fetch_wallet()
    }
}

unsafe fn print_wallet(cwallet: &CWallet) {
    print_cchar!("msg=> ", cwallet.msg_key);
    print_cchar!("master key=> ", cwallet.master_key);
    print_cchar!("second key=> ", cwallet.second_key);
    print_cchar!("backup key=> ", cwallet.backup_key);
}