use crate::package::identifier::PackageIdentifier;
use clap::{Parser, Subcommand};
use log::error;

#[derive(Parser, Debug)]
#[clap(name = "pkgr", version = "0.1.0", author = "")]
pub struct Cli {
    #[command(subcommand)]
    pub command: Command,
}

#[derive(Subcommand, Debug)]
pub enum Command {
    /// Install a package
    Install {
        #[arg(short, long, default_value_t = false)]
        build: bool,
        package_identifier: PackageIdentifier,
    },
    /// Remove a package from the system
    Remove {
        package_identifier: PackageIdentifier,
    },
    /// List packages
    List {
        /// List installed packages
        #[arg(short, long, default_value_t = true)]
        installed: bool,
    },
    /// Update packages on the system
    Update,
    #[command(hide = true)]
    None,
}

impl Command {
    pub fn execute(&self) {
        match self {
            Command::Install {
                build,
                package_identifier: _,
            } => {
                if *build {
                    error!("Build is not yet implemented.");
                } else {
                    error!("Install is not yet implemented.");
                }
            }
            Command::Remove { package_identifier: _ } => {
                error!("Remove is not yet implemented.");
            }
            Command::List { installed: _ } => {
                error!("List is not yet implemented.");
            }
            Command::Update => {
                error!("Update is not yet implemented.");
            }
            Command::None => {
                error!("No command was specified.");
            }
        }
    }
}