//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

use clap::{Arg, ArgGroup, App, SubCommand};

pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
    app
       .arg(Arg::with_name("diaryname")
            .long("diary")
            .short("d")
            .takes_value(true)
            .required(false)
            .help("Use other than default diary"))

        .subcommand(SubCommand::with_name("create")
                   .about("Create a diary entry")
                   .version("0.1")
                   .arg(Arg::with_name("no-edit")
                        .long("no-edit")
                        .short("e")
                        .takes_value(false)
                        .required(false)
                        .help("Do not edit after creating"))

                   .arg(Arg::with_name("timed")
                        .long("timed")
                        .short("t")
                        .takes_value(true)
                        .required(false)
                        .help("By default, one entry is created per day. With --timed=h[ourly] or
                        --timed=m[inutely] one can create per-hour and per-minute entries (more like
                        a microblog then"))

                   .arg(Arg::with_name("hour")
                        .long("hour")
                        .takes_value(true)
                        .required(false)
                        .help("When using --timed, override the hour component"))
                   .arg(Arg::with_name("minute")
                        .long("minute")
                        .takes_value(true)
                        .required(false)
                        .help("When using --timed, override the minute component"))

                   // When using --hour or --minute, --timed must be present
                   .group(ArgGroup::with_name("timing-hourly")
                            .args(&["hour"])
                            .requires("timed"))
                   .group(ArgGroup::with_name("timing-minutely")
                            .args(&["minute"])
                            .requires("timed"))
                   )

        .subcommand(SubCommand::with_name("edit")
                   .about("Edit a diary entry")
                   .version("0.1")
                   .arg(Arg::with_name("datetime")
                        .long("datetime")
                        .short("d")
                        .takes_value(true)
                        .required(false)
                        .help("Specify the date and time which entry should be edited. If none is
                        specified, the last entry is edited. If the diary entry does not exist for
                        this time, this fails. Format: YYYY-MM-DDT[HH[:mm[:ss]]]"))
                   )

        .subcommand(SubCommand::with_name("list")
                   .about("List diary entries")
                   .version("0.1"))

        .subcommand(SubCommand::with_name("delete")
                   .about("Delete a diary entry")
                   .version("0.1")
                   .arg(Arg::with_name("datetime")
                        .long("datetime")
                        .short("d")
                        .takes_value(true)
                        .required(false)
                        .help("Specify the date and time which entry should be deleted. If none is
                        specified, the last entry is deleted. If the diary entry does not exist for
                        this time, this fails. Format: YYYY-MM-DDT[HH[:mm[:ss]]]"))

                   .arg(Arg::with_name("select")
                        .long("select")
                        .short("s")
                        .takes_value(false)
                        .required(false)
                        .help("Use interactive selection"))

                   .arg(Arg::with_name("yes")
                        .long("yes")
                        .short("y")
                        .takes_value(false)
                        .required(false)
                        .help("Do not ask for confirmation."))
                )

        .subcommand(SubCommand::with_name("view")
                   .about("View entries, currently only supports plain viewing")
                   .version("0.1")

                   .arg(Arg::with_name("show-header")
                        .long("header")
                        .takes_value(false)
                        .required(false)
                        .help("Show the header when printing the entries"))
                )

}