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use clap::ArgMatches;
use rayon::prelude::*;
use std::io::{self, Write};
use crate::context::Context;
use crate::module::Module;
use crate::module::ALL_MODULES;
use crate::modules;
pub fn prompt(args: ArgMatches) {
let context = Context::new(args);
let config = context.config.get_root_config();
let stdout = io::stdout();
let mut handle = stdout.lock();
// Write a new line before the prompt
if config.add_newline {
writeln!(handle).unwrap();
}
let mut prompt_order: Vec<&str> = Vec::new();
// Write out a custom prompt order
for module in config.prompt_order {
if ALL_MODULES.contains(&module) {
prompt_order.push(module);
} else {
log::debug!(
"Expected prompt_order to contain value from {:?}. Instead received {}",
ALL_MODULES,
module,
);
}
}
let modules = &prompt_order
.par_iter()
.filter(|module| context.is_module_enabled(module))
.map(|module| modules::handle(module, &context)) // Compute modules
.flatten()
.collect::<Vec<Module>>(); // Remove segments set to `None`
let mut printable = modules.iter();
// Print the first module without its prefix
if let Some(first_module) = printable.next() {
let module_without_prefix = first_module.to_string_without_prefix();
write!(handle, "{}", module_without_prefix).unwrap()
}
// Print all remaining modules
printable.for_each(|module| write!(handle, "{}", module).unwrap());
}
pub fn module(module_name: &str, args: ArgMatches) {
let context = Context::new(args);
// If the module returns `None`, print an empty string
let module = modules::handle(module_name, &context)
.map(|m| m.to_string())
.unwrap_or_default();
print!("{}", module);
}
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