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use super::state::SetupStep;
use crate::error::AppError;
use crate::ui::widgets::{BrandedHeader, InfoCard};
use crate::ui::ZincTheme;
use crate::wallet_service::{validate_mnemonic_internal, ZincMnemonic};
use crate::wizard::state::SetupState;
use crossterm::{
event::{self, Event, KeyCode},
execute,
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use owo_colors::OwoColorize;
use ratatui::prelude::*;
use ratatui::Terminal;
use std::io::{self, Stdout};
use std::time::Duration;
use tokio::sync::mpsc;
pub enum TuiEvent {
Input(Event),
Tick,
}
pub struct TuiWizard {
terminal: Terminal<CrosstermBackend<Stdout>>,
state: SetupState,
input_buffer: String,
error_message: Option<String>,
}
impl TuiWizard {
pub fn new(state: SetupState) -> Result<Self, AppError> {
let mut stdout = io::stdout();
execute!(stdout, EnterAlternateScreen)?;
enable_raw_mode()?;
let backend = CrosstermBackend::new(stdout);
let terminal = Terminal::new(backend)?;
Ok(Self {
terminal,
state,
input_buffer: String::new(),
error_message: None,
})
}
pub async fn run(mut self) -> Result<SetupState, AppError> {
let (tx, mut rx) = mpsc::channel(32);
// Input handling thread
tokio::spawn(async move {
loop {
if event::poll(Duration::from_millis(100)).unwrap() {
if let Ok(ev) = event::read() {
let _ = tx.send(TuiEvent::Input(ev)).await;
}
}
let _ = tx.send(TuiEvent::Tick).await;
}
});
let theme = ZincTheme::dark();
loop {
self.terminal.draw(|f: &mut Frame| {
let chunks = Layout::default()
.direction(Direction::Vertical)
.constraints([
Constraint::Length(3), // Header
Constraint::Min(0), // Main
Constraint::Length(3), // Footer
])
.split(f.area());
let network = match self.state.values.default_network.as_deref() {
Some("mainnet" | "bitcoin") => zinc_core::Network::Bitcoin,
Some("testnet") => zinc_core::Network::Testnet,
Some("regtest") => zinc_core::Network::Regtest,
Some("signet") => zinc_core::Network::Signet,
_ => zinc_core::Network::Bitcoin,
};
f.render_widget(BrandedHeader {
title: "SETUP WIZARD",
profile_name: self.state.values.profile.as_str(),
theme: &theme,
network,
account_index: 0,
is_loading: false,
tick: 0,
_ascii_mode: false,
}, chunks[0]);
let (step_title, step_content) = match self.state.current {
SetupStep::Welcome => (
"WELCOME",
"Welcome to Zinc.\n\n[C] Create New Wallet\n[R] Restore Existing Wallet\n\nChoose an option to continue."
),
SetupStep::CreateShowSeed => (
"GENERATE SEED",
"YOUR RECOVERY PHRASE (WRITE THIS DOWN!):\n\n"
),
SetupStep::CreateVerifySeed => (
"VERIFY SEED",
"Please verify your recovery phrase to continue."
),
SetupStep::RestoreInputSeed => (
"RESTORE WALLET",
"Enter your 12- or 24-word recovery phrase."
),
SetupStep::SetPassword => (
"SET PASSWORD",
"Enter a password to encrypt your wallet."
),
SetupStep::ConfirmPassword => (
"CONFIRM PASSWORD",
"Please re-enter your password to confirm."
),
SetupStep::Done => (
"SETUP COMPLETE",
"Your Zinc wallet is ready.\n\nPress Enter to launch the Dashboard."
),
};
let mut display_content = step_content.to_string();
match self.state.current {
SetupStep::CreateShowSeed => {
if let Some(m) = &self.state.temp_mnemonic {
display_content.push_str(&format!("\n{}\n\nPress Enter when you have securely backed this up.", m));
}
}
SetupStep::CreateVerifySeed => {
let i = self.state.verify_indices;
display_content.push_str(&format!("\n\nEnter word #{} and #{} and #{}", i[0]+1, i[1]+1, i[2]+1));
display_content.push_str(&format!("\n\n> {}", self.input_buffer));
}
SetupStep::RestoreInputSeed => {
display_content.push_str(&format!("\n\n> {}", self.input_buffer));
let words: Vec<&str> = self.input_buffer.split_whitespace().collect();
if words.len() == 12 || words.len() == 24 {
if validate_mnemonic_internal(&self.input_buffer) { display_content.push_str("\n\n✅ Mnemonic is VALID. Press Enter to continue.") } else { display_content.push_str("\n\n❌ Mnemonic is INVALID. Please check the words and order.") }
} else if !words.is_empty() {
display_content.push_str(&format!("\n\n({} words entered...)", words.len()));
if self.input_buffer.ends_with(' ') {
if let Some(last) = words.last() {
let wordlist = bip39::Language::English.word_list();
if wordlist.binary_search(&last.to_lowercase().as_str()).is_err() {
display_content.push_str(&format!("\n\n⚠️ '{}' is NOT a valid BIP-39 word.", last));
}
}
}
}
}
SetupStep::SetPassword | SetupStep::ConfirmPassword => {
let masked = "*".repeat(self.input_buffer.len());
display_content.push_str(&format!("\n\nPassword: {}", masked));
}
_ => {}
}
if let Some(msg) = &self.error_message {
display_content.push_str(&format!("\n\n{}", msg.red()));
}
f.render_widget(InfoCard { title: step_title, content: &display_content, theme: &theme }, chunks[1]);
f.render_widget(InfoCard { title: "CONTROLS", content: "Enter: Next | Esc: Back | Ctrl+C: Quit", theme: &theme }, chunks[2]);
})?;
if let Some(event) = rx.recv().await {
if let TuiEvent::Input(Event::Key(key)) = event {
self.error_message = None; // Clear error message on any key input
match key.code {
KeyCode::Char('c')
if key.modifiers.contains(event::KeyModifiers::CONTROL) =>
{
break
}
KeyCode::Esc => {
if self.state.current == SetupStep::ConfirmPassword {
self.state.password_temp = None;
}
if !self.state.back() {
break;
}
self.input_buffer.clear();
}
KeyCode::Enter => {
match self.state.current {
SetupStep::Welcome => {
// Support both Enter and immediate keys
let choice = self.input_buffer.to_lowercase();
if choice == "c" {
self.start_create_flow();
} else if choice == "r" {
self.state.next_step(Some("restore".to_string()));
}
}
SetupStep::CreateShowSeed => {
self.state.next_step(None);
}
SetupStep::CreateVerifySeed => {
if let Some(m) = &self.state.temp_mnemonic {
let m_words: Vec<&str> = m.split_whitespace().collect();
let input_words: Vec<&str> =
self.input_buffer.split_whitespace().collect();
if input_words.len() == 3 {
let mut all_match = true;
for (idx, &v_idx) in
self.state.verify_indices.iter().enumerate()
{
if input_words[idx].to_lowercase()
!= m_words[v_idx].to_lowercase()
{
all_match = false;
break;
}
}
if all_match {
self.error_message = None;
self.state.next_step(None);
} else {
self.error_message = Some("❌ Verification failed. Please check the words and try again.".to_string());
self.input_buffer.clear();
}
} else {
self.error_message = Some(
"❌ Please enter exactly 3 words.".to_string(),
);
}
}
}
SetupStep::RestoreInputSeed => {
let phrase = self.input_buffer.trim();
let words: Vec<&str> = phrase.split_whitespace().collect();
if !(words.len() == 12 || words.len() == 24) {
self.error_message = Some(
"❌ Recovery phrase must be 12 or 24 words."
.to_string(),
);
} else if !validate_mnemonic_internal(phrase) {
self.error_message = Some(
"❌ Recovery phrase is invalid. Check spelling and order."
.to_string(),
);
} else {
self.state.values.restore_mnemonic =
Some(phrase.to_string());
self.state.next_step(None);
}
}
SetupStep::SetPassword => {
if self.input_buffer.is_empty() {
self.error_message =
Some("❌ Password cannot be empty.".to_string());
} else {
self.state.password_temp = Some(self.input_buffer.clone());
self.state.next_step(None);
}
}
SetupStep::ConfirmPassword => {
if Some(&self.input_buffer) == self.state.password_temp.as_ref()
{
self.state.values.password =
Some(self.input_buffer.clone().into());
self.state.values.initialize_wallet = true;
self.state.next_step(None);
} else {
self.error_message = Some(
"❌ Passwords do not match. Please try again."
.to_string(),
);
self.input_buffer.clear();
// Stay in ConfirmPassword
}
}
SetupStep::Done => break,
}
self.input_buffer.clear();
}
KeyCode::Char('c' | 'C') if self.state.current == SetupStep::Welcome => {
self.start_create_flow();
self.input_buffer.clear();
}
KeyCode::Char('r' | 'R') if self.state.current == SetupStep::Welcome => {
self.state.next_step(Some("restore".to_string()));
self.input_buffer.clear();
}
KeyCode::Char(c) => {
self.input_buffer.push(c);
}
KeyCode::Backspace => {
self.input_buffer.pop();
}
_ => {}
}
}
}
}
self.cleanup()?;
Ok(self.state)
}
fn start_create_flow(&mut self) {
// Generate mnemonic using zinc_core
let mnemonic = match ZincMnemonic::generate(12) {
Ok(mnemonic) => mnemonic.phrase().clone(),
Err(err) => {
self.error_message = Some(format!("❌ failed to generate seed phrase: {err}"));
return;
}
};
self.state.temp_mnemonic = Some(mnemonic);
// Pick 3 random indices from 12 words
use rand::Rng;
let mut rng = rand::thread_rng();
self.state.verify_indices = [
rng.gen_range(0..4),
rng.gen_range(4..8),
rng.gen_range(8..12),
];
self.state.next_step(Some("create".to_string()));
}
fn cleanup(&mut self) -> Result<(), AppError> {
disable_raw_mode()?;
execute!(self.terminal.backend_mut(), LeaveAlternateScreen)?;
self.terminal.show_cursor()?;
Ok(())
}
}