// Copyright 2017-2021 Parity Technologies (UK) Ltd.
// Copyright 2021 Axiom-Team
//
// This file is part of Substrate-Libre-Currency.
//
// Substrate-Libre-Currency is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License.
//
// Substrate-Libre-Currency 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with Substrate-Libre-Currency. If not, see <https://www.gnu.org/licenses/>.

use crate::cli::{Cli, Subcommand};
use crate::{chain_spec, service};
use node_template_runtime::Block;
use sc_cli::{ChainSpec, Role, RuntimeVersion, SubstrateCli};
use sc_service::PartialComponents;

impl SubstrateCli for Cli {
    fn impl_name() -> String {
        "Substrate 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 {
        "support.anonymous.an".into()
    }

    fn copyright_start_year() -> i32 {
        2017
    }

    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),
            )?),
        })
    }

    fn native_runtime_version(_: &Box<dyn ChainSpec>) -> &'static RuntimeVersion {
        &node_template_runtime::VERSION
    }
}

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

    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), task_manager))
            })
        }
        Some(Subcommand::Benchmark(cmd)) => {
            if cfg!(feature = "runtime-benchmarks") {
                let runner = cli.create_runner(cmd)?;

                runner.sync_run(|config| cmd.run::<Block, service::Executor>(config))
            } else {
                Err("Benchmarking wasn't enabled when building the node. \
				You can enable it with `--features runtime-benchmarks`."
                    .into())
            }
        }
        None => {
            let runner = cli.create_runner(&cli.run)?;
            runner.run_node_until_exit(|config| async move {
                match config.role {
                    Role::Light => service::new_light(config),
                    _ => service::new_full(config),
                }
                .map_err(sc_cli::Error::Service)
            })
        }
    }
}