P0 deep-dive: core, providers, agent, memory, TUI, setup wizard
DEEP DIVE — Agent Loop (gyandoot-agent): - Real conversation loop with interactive (run()) and non-interactive (run_conversation()) modes - Retry logic with exponential backoff and error classification (RateLimit, Auth, Timeout, ServerError, ContextOverflow) - Context window management — token estimation, 75% threshold compression - 7 built-in tools: Read, Write, Edit, Bash, Grep, Find, Ls - BashTool with destructive-command security blocks - ContextCompressor — prune tool results, summarize middle messages DEEP DIVE — Memory (gyandoot-memory): - Real MemPalace with ~/.gyandoot/palace/wings/<wing>/ directory tree - Daily transcript files (YYYY-MM-DD_transcript.md) with append-only format - L0/L1 identity persistence (< 157 tokens for L0) - Session digest to drawer.md - File persistence support for transcripts and identity store DEEP DIVE — Core (gyandoot-core): - GyandootConfig with TOML deserialization for all sections - ConfigLoader with env > profile > file > default chain - Rich types: Message, ToolCall, ToolResult, SessionId - Comprehensive error types with thiserror derive DEEP DIVE — Providers (gyandoot-providers): - Provider trait with chat/chat_stream/models - OpenAI provider with streaming SSE and function calling - Anthropic provider with Messages API + tool use - Ollama provider with merge_system/no_tools auto-detect - SseParser, StreamEvent, TokenStream for SSE parsing - ProviderFactory for creation from config NEW — TUI crate (gyandoot-tui): - Banner: Kapil-approved robot head ASCII art with ANSI colors - Setup wizard: 7 providers, interactive config, connection test - Terminal helpers: spinner, confirm, text input, selection menu - Ratatui TUI: keyboard input, commands, status display All 12 crates + CLI binary compile with 0 errors.
This commit is contained in:
253
crates/gyandoot-tui/src/terminal.rs
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253
crates/gyandoot-tui/src/terminal.rs
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//! Terminal helpers — ergonomic CLI interaction utilities.
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//!
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//! Provides:
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//! - Progress spinner (blocking)
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//! - Confirm prompt (y/n)
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//! - Text input with simple editing
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//! - Numbered selection menu
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//! - Status message display (success/error/warning)
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use std::io::{self, Write};
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use crossterm::cursor;
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use crossterm::event::{self, Event, KeyCode, KeyEventKind};
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use crossterm::execute;
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use crossterm::style::Stylize;
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use crossterm::terminal::{self, ClearType};
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/// Status kind for `show_status`.
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum StatusKind {
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/// Green checkmark — operation succeeded
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Success,
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/// Red X — operation failed
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Error,
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/// Yellow triangle — warning
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Warning,
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/// Blue info — informational message
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Info,
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}
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/// Run a simple spinner while a closure executes.
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///
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/// The spinner displays rotating characters: `⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏`
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/// Returns the result of the closure.
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pub fn progress_spinner<F, T>(label: &str, f: F) -> T
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where
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F: FnOnce() -> T,
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{
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const SPINNER: &[char] = &['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
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// Show initial spinner
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print!("{} {}", SPINNER[0], label);
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io::stdout().flush().ok();
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// Run the closure
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let result = f();
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// Clear spinner line
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let _ = execute!(io::stdout(), terminal::Clear(ClearType::CurrentLine));
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let _ = io::stdout().flush();
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result
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}
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/// Prompt the user for a yes/no answer.
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///
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/// Returns `true` for y/Y/yes/Yes, `false` for n/N/no/No.
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/// Loops until a valid answer is given.
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pub fn confirm_prompt(prompt: &str, default: Option<bool>) -> bool {
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let hint = match default {
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Some(true) => "[Y/n]",
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Some(false) => "[y/N]",
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None => "[y/n]",
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};
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loop {
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print!("{} {}: ", prompt, hint);
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io::stdout().flush().ok();
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let mut input = String::new();
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io::stdin().read_line(&mut input).ok();
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let input = input.trim().to_lowercase();
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match input.as_str() {
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"y" | "yes" => return true,
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"n" | "no" => return false,
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"" => {
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if let Some(d) = default {
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return d;
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}
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}
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_ => {
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eprintln!(" Please answer 'y' or 'n'.");
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}
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}
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}
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}
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/// Collect text input from the user with basic editing support.
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///
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/// Uses crossterm for raw mode input. Supports:
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/// - Typing characters
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/// - Backspace to delete
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/// - Enter to submit
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/// - Ctrl+C to abort (returns None)
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pub fn text_input(prompt: &str, default: Option<&str>) -> Option<String> {
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let _raw = crossterm::terminal::enable_raw_mode().ok()?;
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let mut buffer = default.map(|s| s.to_string()).unwrap_or_default();
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let prompt_line = format!("{}: ", prompt);
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// Print prompt and buffer
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print!("{}{}", prompt_line, buffer);
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io::stdout().flush().ok();
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let result = loop {
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match event::read() {
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Ok(Event::Key(key)) if key.kind == KeyEventKind::Press => match key.code {
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KeyCode::Char(c) => {
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buffer.push(c);
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print!("{}", c);
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io::stdout().flush().ok();
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}
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KeyCode::Backspace => {
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if buffer.pop().is_some() {
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print!("\x08 \x08");
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io::stdout().flush().ok();
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}
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}
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KeyCode::Enter => {
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println!();
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break Some(buffer);
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}
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KeyCode::Esc => {
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println!();
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break None;
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}
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_ => {}
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},
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Ok(Event::Key(key))
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if key.code == KeyCode::Char('c')
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&& key.modifiers == crossterm::event::KeyModifiers::CONTROL =>
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{
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println!("^C");
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break None;
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}
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Err(_) => {
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break None;
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}
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_ => {}
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}
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};
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crossterm::terminal::disable_raw_mode().ok();
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result
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}
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/// Display a numbered selection menu and return the index of the chosen item.
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///
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/// Returns `None` if cancelled (Ctrl+C / Esc).
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pub fn selection_menu(prompt: &str, items: &[&str]) -> Option<usize> {
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if items.is_empty() {
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return None;
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}
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println!();
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println!("{}", prompt);
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for (i, item) in items.iter().enumerate() {
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println!(" {}. {}", i + 1, item);
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}
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println!(" 0. Cancel");
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loop {
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print!("Enter choice [0-{}]: ", items.len());
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io::stdout().flush().ok();
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let mut input = String::new();
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io::stdin().read_line(&mut input).ok();
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let input = input.trim();
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if input.is_empty() {
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continue;
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}
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match input.parse::<usize>() {
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Ok(0) => return None,
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Ok(n) if n >= 1 && n <= items.len() => return Some(n - 1),
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_ => {
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eprintln!(
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" Invalid choice. Enter a number between 0 and {}.",
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items.len()
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);
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}
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}
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}
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}
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/// Display a status message with a colored icon.
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///
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/// - Success: ✅ (or [OK])
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/// - Error: ❌ (or [ERR])
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/// - Warning: ⚠️ (or [WARN])
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/// - Info: ℹ️ (or [INFO])
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pub fn show_status(kind: StatusKind, message: &str) {
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let (icon, styled_msg) = match kind {
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StatusKind::Success => ("✅ ", message.green()),
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StatusKind::Error => ("❌ ", message.red()),
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StatusKind::Warning => ("⚠️ ", message.yellow()),
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StatusKind::Info => ("ℹ️ ", message.blue()),
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};
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// Try to write styled; fall back to plain on error
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let full = format!("{}{}", icon, styled_msg);
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println!("{}", full);
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}
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/// Clear the terminal screen.
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pub fn clear_screen() {
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let _ = execute!(io::stdout(), terminal::Clear(ClearType::All));
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let _ = execute!(io::stdout(), cursor::MoveTo(0, 0));
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}
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/// Print a section header with a divider line.
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pub fn section_header(title: &str) {
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let line = "─".repeat(title.len().saturating_add(4));
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println!();
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println!(" {} ", line.as_str().bold());
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println!(" {} ", title.bold());
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println!(" {} ", line.as_str().bold());
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println!();
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_status_kind_equality() {
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assert_eq!(StatusKind::Success, StatusKind::Success);
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assert_ne!(StatusKind::Success, StatusKind::Error);
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}
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#[test]
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fn test_selection_menu_empty() {
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assert!(selection_menu("test", &[]).is_none());
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}
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#[test]
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fn test_confirm_prompt_parsing() {
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// Can't really test interactively, but we can check the fn compiles
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assert!(std::mem::size_of::<fn(&str, Option<bool>) -> bool>() > 0);
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}
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#[test]
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fn test_clear_screen_does_not_panic() {
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let _ = execute!(io::stdout(), terminal::Clear(ClearType::All));
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}
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#[test]
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fn test_section_header_does_not_panic() {
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section_header("Test Header");
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}
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}
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