// Copyright 2018-2020 Parity Technologies (UK) Ltd.
// This file is part of Substrate.

// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Substrate 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.

use sc_cli::{SharedParams, ImportParams, RunCmd};
use structopt::StructOpt;

#[derive(Clone, Debug, StructOpt)]
#[structopt(settings = &[
	structopt::clap::AppSettings::GlobalVersion,
	structopt::clap::AppSettings::ArgsNegateSubcommands,
	structopt::clap::AppSettings::SubcommandsNegateReqs,
])]
pub struct Cli {
	#[structopt(subcommand)]
	pub subcommand: Option<Subcommand>,
	#[structopt(flatten)]
	pub run: RunCmd,
}

#[derive(Clone, Debug, StructOpt)]
pub enum Subcommand {
	#[structopt(flatten)]
	Base(sc_cli::Subcommand),
	/// The custom factory subcommmand for manufacturing transactions.
	#[structopt(
		name = "factory",
		about = "Manufactures num transactions from Alice to random accounts. \
		Only supported for development or local testnet."
	)]
	Factory(FactoryCmd),
}

/// The `factory` command used to generate transactions.
/// Please note: this command currently only works on an empty database!
#[derive(Debug, StructOpt, Clone)]
pub struct FactoryCmd {
	/// How often to repeat. This option only has an effect in mode `MasterToNToM`.
	#[structopt(long="rounds", default_value = "1")]
	pub rounds: u64,

	/// MasterToN: Manufacture `num` transactions from the master account
	///            to `num` randomly created accounts, one each.
	///
	/// MasterTo1: Manufacture `num` transactions from the master account
	///            to exactly one other randomly created account.
	///
	/// MasterToNToM: Manufacture `num` transactions from the master account
	///               to `num` randomly created accounts.
	///               From each of these randomly created accounts manufacture
	///               a transaction to another randomly created account.
	///               Repeat this `rounds` times. If `rounds` = 1 the behavior
	///               is the same as `MasterToN`.{n}
	///               A -> B, A -> C, A -> D, ... x `num`{n}
	///               B -> E, C -> F, D -> G, ...{n}
	///               ... x `rounds`
	///
	/// These three modes control manufacturing.
	#[structopt(long="mode", default_value = "MasterToN")]
	pub mode: node_transaction_factory::Mode,

	/// Number of transactions to generate. In mode `MasterNToNToM` this is
	/// the number of transactions per round.
	#[structopt(long="num", default_value = "8")]
	pub num: u64,

	#[allow(missing_docs)]
	#[structopt(flatten)]
	pub shared_params: SharedParams,

	#[allow(missing_docs)]
	#[structopt(flatten)]
	pub import_params: ImportParams,
}