use clap::crate_authors;
use clap::crate_version;
use clap::App;
use clap::Arg;
use clap::ArgGroup;

pub fn app<'a>() -> App<'a> {
    App::new("distrox")
        .author(crate_authors!())
        .version(crate_version!())
        .about("Distributed social network")

        .subcommand(App::new("profile")
            .author(crate_authors!())
            .version(crate_version!())
            .about("Profile actions")

            .subcommand(App::new("create")
                .author(crate_authors!())
                .version(crate_version!())
                .about("Create profile")

                .arg(Arg::new("name")
                    .long("name")
                    .required(true)
                    .takes_value(true)
                    .value_name("NAME")
                    .about("Name of the profile")
                )
            )

            .subcommand(App::new("serve")
                .author(crate_authors!())
                .version(crate_version!())
                .about("Just serve the profile")

                .arg(Arg::new("name")
                    .long("name")
                    .required(true)
                    .takes_value(true)
                    .value_name("NAME")
                    .about("Name of the profile")
                )

                .arg(Arg::new("connect")
                    .long("connect")
                    .required(false)
                    .takes_value(true)
                    .multiple(true)
                    .value_name("MULTIADDR")
                    .about("Connect to MULTIADDR as well")
                )

                .arg(Arg::new("listen")
                    .long("listen")
                    .required(false)
                    .takes_value(true)
                    .multiple(true)
                    .value_name("MULTIADDR")
                    .about("Listen on MULTIADDR, e.g. '/ip4/127.0.0.1/tcp/10000'")
                )
            )

            .subcommand(App::new("cat")
                .author(crate_authors!())
                .version(crate_version!())
                .about("Read complete timeline of profile")

                .arg(Arg::new("name")
                    .long("name")
                    .required(true)
                    .takes_value(true)
                    .value_name("NAME")
                    .about("Name of the profile")
                )
            )

            .subcommand(App::new("post")
                .author(crate_authors!())
                .version(crate_version!())
                .about("Just serve the profile")

                .arg(Arg::new("name")
                    .long("name")
                    .required(true)
                    .takes_value(true)
                    .value_name("NAME")
                    .about("Name of the profile to post to")
                )

                .arg(Arg::new("editor")
                    .long("editor")
                    .short('e')
                    .required(false)
                    .takes_value(false)
                    .about("Launch the editor for the text to be posted")
                    .conflicts_with("text")
                )
                .arg(Arg::new("text")
                    .long("text")
                    .required(true)
                    .takes_value(true)
                    .value_name("TEXT")
                    .about("The text to be posted")
                    .conflicts_with("editor")
                )
                .group(ArgGroup::new("text-or-editor")
                    .args(&["text", "editor"])
                    .required(true) // one must be present
                )
            )
        )

        .subcommand(App::new("gui")
            .author(crate_authors!())
            .version(crate_version!())
            .about("Start the distrox gui")
        )
}