use crate::{
	chain_spec,
	cli::{Cli, Subcommand},
	service,
};
use contracts_node_runtime::Block;
use sc_cli::SubstrateCli;
use sc_service::PartialComponents;

impl SubstrateCli for Cli {
	fn impl_name() -> String {
		"Substrate Contracts Node".into()
	}

	fn impl_version() -> String {
		env!("SUBSTRATE_CLI_IMPL_VERSION").into()
	}

	fn description() -> String {
		env!("CARGO_PKG_DESCRIPTION").into()
	}

	fn author() -> String {
		env!("CARGO_PKG_AUTHORS").into()
	}

	fn support_url() -> String {
		"https://github.com/paritytech/substrate-contracts-node/issues/new".into()
	}

	fn copyright_start_year() -> i32 {
		2021
	}

	fn load_spec(&self, id: &str) -> Result<Box<dyn sc_service::ChainSpec>, String> {
		Ok(match id {
			"" | "dev" => Box::new(chain_spec::development_config()?),
			"local" => Box::new(chain_spec::local_testnet_config()?),
			path =>
				Box::new(chain_spec::ChainSpec::from_json_file(std::path::PathBuf::from(path))?),
		})
	}
}

/// Parse and run command line arguments
pub fn run() -> sc_cli::Result<()> {
	let mut cli = Cli::from_args();

	// this is a development node: make dev chain spec the default
	if cli.run.shared_params.chain.is_none() {
		cli.run.shared_params.dev = true;
	}

	// remove block production noise and output contracts debug buffer by default
	if cli.run.shared_params.log.is_empty() {
		cli.run.shared_params.log = vec![
			"runtime::contracts=debug".into(),
			"sc_cli=info".into(),
			"sc_rpc_server=info".into(),
			"warn".into(),
		];
	}

	match &cli.subcommand {
		Some(Subcommand::Key(cmd)) => cmd.run(&cli),
		Some(Subcommand::BuildSpec(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.sync_run(|config| cmd.run(config.chain_spec, config.network))
		},
		Some(Subcommand::CheckBlock(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.async_run(|config| {
				let PartialComponents { client, task_manager, import_queue, .. } =
					service::new_partial(&config)?;
				Ok((cmd.run(client, import_queue), task_manager))
			})
		},
		Some(Subcommand::ExportBlocks(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.async_run(|config| {
				let PartialComponents { client, task_manager, .. } = service::new_partial(&config)?;
				Ok((cmd.run(client, config.database), task_manager))
			})
		},
		Some(Subcommand::ExportState(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.async_run(|config| {
				let PartialComponents { client, task_manager, .. } = service::new_partial(&config)?;
				Ok((cmd.run(client, config.chain_spec), task_manager))
			})
		},
		Some(Subcommand::ImportBlocks(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.async_run(|config| {
				let PartialComponents { client, task_manager, import_queue, .. } =
					service::new_partial(&config)?;
				Ok((cmd.run(client, import_queue), task_manager))
			})
		},
		Some(Subcommand::PurgeChain(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.sync_run(|config| cmd.run(config.database))
		},
		Some(Subcommand::Revert(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.async_run(|config| {
				let PartialComponents { client, task_manager, backend, .. } =
					service::new_partial(&config)?;
				Ok((cmd.run(client, backend, None), task_manager))
			})
		},
		Some(Subcommand::ChainInfo(cmd)) => {
			let runner = cli.create_runner(cmd)?;
			runner.sync_run(|config| cmd.run::<Block>(&config))
		},
		None => {
			let runner = cli.create_runner(&cli.run)?;
			runner.run_node_until_exit(|config| async move {
				service::new_full(config).map_err(sc_cli::Error::Service)
			})
		},
	}
}
