//! The Command Line Interface definition to the git-identity subcommand

use std::{borrow::Cow, sync::LazyLock};

use clap::{ArgAction, Args, Parser, Subcommand};
use console::Term;
use dialoguer::theme::ColorfulTheme;

/// Manages multiple identities (e.g. personal, work, university, ...) in git repos for you.
#[derive(Parser, Debug)]
pub struct Cli {
    #[command(flatten)]
    pub global: GlobalArgs,

    #[command(subcommand)]
    pub command: Command,
}

impl Cli {
    pub fn run_subcommand(self) -> anyhow::Result<()> {
        match self.command {
            Command::Import(cli) => crate::subcommands::import::main(self.global, cli),
        }
    }
}

/// Global arguments (not specific to any subcommand)
#[derive(Args, Debug)]
pub struct GlobalArgs {
    /// Increases the verbosity of the log outputs
    ///
    /// The RUST_LOG environment variable takes priority if both are specified.
    #[arg(short, long = "verbose", action = ArgAction::Count)]
    pub verbosity: u8,
}

#[derive(Subcommand, Debug)]
pub enum Command {
    Import(ImportCli),
}

#[derive(Parser, Debug)]
pub struct ImportCli {
    /// A list of patterns to filter GPG keys with, works the same way as patterns you use with
    /// the gpg command
    #[arg(id = "PATTERN")]
    pub patterns: Vec<Cow<'static, str>>,
}

pub static THEME: LazyLock<ColorfulTheme> = LazyLock::new(|| ColorfulTheme {
    ..Default::default()
});

pub static STDERR: LazyLock<Term> = LazyLock::new(Term::stderr);