use std::io::{self, IsTerminal, Write};
use anyhow::{anyhow, Result};
pub fn is_interactive() -> bool {
io::stdin().is_terminal() && io::stdout().is_terminal()
}
fn read_line(prompt: &str) -> Result<String> {
print!("{prompt}");
io::stdout().flush()?;
let mut line = String::new();
io::stdin().read_line(&mut line)?;
Ok(line.trim().to_string())
}
pub fn prompt_required(label: &str) -> Result<String> {
loop {
let value = read_line(label)?;
if value.is_empty() {
eprintln!(" (required — enter a value)");
continue;
}
if value.contains(['/', '\\']) || value.contains("..") {
eprintln!(" (invalid — use a simple directory name)");
continue;
}
return Ok(value);
}
}
const TEMPLATE_CHOICES: &[(&str, &str)] = &[
("basic", "static SSR page, zero client JS"),
("todo", "full showcase (signals, server, islands)"),
("flow", "multi-page app with src/pages/"),
("flow-booking", "appointments + query-driven #[load]"),
("flow-fullstack", "Flow + SQLx SQLite sample"),
];
pub fn prompt_template() -> Result<String> {
println!("\nChoose a template:");
for (i, (id, desc)) in TEMPLATE_CHOICES.iter().enumerate() {
println!(" {}) {:<16} — {}", i + 1, id, desc);
}
loop {
let choice = read_line("\nTemplate [1]: ")?;
let picked = match choice.as_str() {
"" | "1" => "basic",
"2" => "todo",
"3" => "flow",
"4" => "flow-booking",
"5" => "flow-fullstack",
other if TEMPLATE_CHOICES.iter().any(|(id, _)| *id == other) => other,
_ => {
eprintln!(" (pick 1–5 or type basic/todo/flow/flow-booking/flow-fullstack)");
continue;
}
};
return Ok(picked.to_string());
}
}
pub fn prompt_integration() -> Result<String> {
println!("\nAdd an integration:");
println!(" 1) sqlx — SQLite/Postgres via SQLx + migrations");
println!(" 2) turso — Turso/libSQL edge database");
loop {
let choice = read_line("\nIntegration [1]: ")?;
let picked = match choice.as_str() {
"" | "1" | "sqlx" => "sqlx",
"2" | "turso" => "turso",
_ => {
eprintln!(" (pick 1–2 or type sqlx/turso)");
continue;
}
};
return Ok(picked.to_string());
}
}
pub fn missing_arg(hint: &str) -> Result<()> {
Err(anyhow!(
"{hint}\n (pass the argument directly, or run in an interactive terminal)"
))
}