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use std::path::PathBuf;
use clap::{Subcommand, Parser, ValueHint};
use std::env;
#[derive(Debug, Parser)]
#[command(version, about = "A simple debt manager", long_about = None)]
pub struct Cli {
/// file path where data is stored [default:
/// $XDG_DATA_HOME/debt/debt.db
#[arg(short, long, env="DEBT_DB", value_hint = ValueHint::FilePath)]
pub database_path: Option<PathBuf>,
#[command(subcommand)]
pub action: Commands
}
#[derive(Debug, Subcommand)]
pub enum Commands {
/// Initialize Database
Init,
/// Register a transaction
Register {
/// person to register the transaction
person: String,
/// amount of money
amount: u32,
/// additional notes
note: Option<String>,
/// Register the transaction as a payment
#[arg(short, long)]
payment: bool
},
/// View Registered data
View {
/// Filter history data (only works with -H)
filter: Option<String>,
/// View register history
#[arg(short='H', long, conflicts_with = "total")]
history: bool,
/// Transaction accumulation by person
#[arg(short, long, conflicts_with = "history")]
total: bool
},
/// Add a new agent to lend or pay
Add {
name: String,
},
}
impl Cli {
pub fn new() -> Self {
let mut cli = Cli::parse();
load_datapath(&mut cli);
cli
}
}
fn load_datapath(cli: &mut Cli) {
let config_path = cli
.database_path
.clone()
.or_else(|| {
xdg::BaseDirectories::with_prefix("debt")
.ok()
.and_then(|x| {
x.find_data_file("cache.db")
})
}).or_else(|| {
if let Ok(home) = env::var("HOME") {
let fallback = PathBuf::from(&home).join(".cache.db");
if fallback.exists() {
return Some(fallback)
}
}
None
});
cli.database_path = config_path;
}
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