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use crate::{
    generators::{FragmentGenerator, FragmentStatusProvider},
    mjolnir_lib::{args::parse_shift, build_monitor, MjolnirError},
};
use chain_addr::Discrimination;
use chain_crypto::Ed25519;
use chain_impl_mockchain::block::BlockDate;
use clap::Parser;
use jormungandr_automation::{
    jormungandr::RemoteJormungandrBuilder,
    testing::{keys::create_new_key_pair, time},
};
use jormungandr_lib::crypto::hash::Hash;
use jortestkit::{
    load::ConfigurationBuilder,
    prelude::{parse_progress_bar_mode_from_str, ProgressBarMode},
};
use std::{path::PathBuf, str::FromStr, time::Duration};
use thor::{
    BlockDateGenerator, DiscriminationExtension, FragmentSender, FragmentSenderSetup, Wallet,
};

#[derive(Parser, Debug)]
pub struct AllFragments {
    /// Number of threads
    #[clap(short = 'c', long = "count", default_value = "3")]
    pub count: usize,

    /// address in format:
    /// /ip4/54.193.75.55/tcp/3000
    #[clap(short = 'a', long = "address")]
    pub endpoint: String,

    /// address in format:
    /// /ip4/54.193.75.55/tcp/3000
    #[clap(short = 'e', long = "explorer")]
    pub explorer_endpoint: String,

    /// amount of delay [milliseconds] between sync attempts
    #[clap(long = "delay", default_value = "50")]
    pub delay: u64,

    /// amount of delay [seconds] between sync attempts
    #[clap(short = 'd', long = "duration")]
    pub duration: u64,

    // show progress
    #[clap(
        long = "progress-bar-mode",
        short = 'b',
        default_value = "Monitor",
        value_parser = parse_progress_bar_mode_from_str
    )]
    progress_bar_mode: ProgressBarMode,

    #[clap(short = 'm', long = "measure")]
    pub measure: bool,

    #[clap(long = "key", short = 'k')]
    faucet_key_file: PathBuf,

    #[clap(long = "spending-counter", short = 's')]
    faucet_spending_counter: u32,

    /// load test rump up period
    #[clap(long = "rump-up")]
    rump_up: u32,

    /// Transaction validity deadline (inclusive)
    #[clap(short = 'v', long = "valid-until", conflicts_with = "ttl")]
    valid_until: Option<BlockDate>,

    /// Transaction time to live (can be negative e.g. ~4.2)
    #[clap(short = 't', long= "ttl", default_value = "1.0", value_parser = parse_shift)]
    ttl: (BlockDate, bool),

    /// Set the discrimination type to testing (default is production).
    #[clap(long = "testing")]
    testing: bool,
}

impl AllFragments {
    pub fn exec(&self) -> Result<(), MjolnirError> {
        let title = "all fragment load test";
        let faucet = Wallet::import_account(
            &self.faucet_key_file,
            Some(self.faucet_spending_counter.into()),
            Discrimination::from_testing_bool(self.testing),
        );
        let receiver = thor::Wallet::default();
        let remote_jormungandr = RemoteJormungandrBuilder::new("node".to_string())
            .with_rest(self.endpoint.parse().unwrap())
            .build();

        let rest = remote_jormungandr.rest().clone();
        let settings = rest.settings().unwrap();

        let block0_hash = Hash::from_str(&settings.block0_hash).unwrap();
        let fees = settings.fees.clone();

        let fragment_sender = FragmentSender::new(
            block0_hash,
            fees,
            self.valid_until
                .map(BlockDateGenerator::Fixed)
                .unwrap_or_else(|| BlockDateGenerator::rolling(&settings, self.ttl.0, self.ttl.1)),
            FragmentSenderSetup::no_verify(),
        );

        let bft_secret_alice = create_new_key_pair::<Ed25519>();

        let mut generator = FragmentGenerator::new(
            faucet,
            receiver,
            Some(bft_secret_alice),
            remote_jormungandr,
            settings.slots_per_epoch,
            30,
            30,
            30,
            30,
            fragment_sender,
        );

        let current_date = jormungandr_lib::interfaces::BlockDate::from(
            BlockDate::from_str(
                rest.stats()
                    .unwrap()
                    .stats
                    .unwrap()
                    .last_block_date
                    .unwrap()
                    .as_ref(),
            )
            .unwrap(),
        );

        let target_date = current_date.shift_slot(
            self.rump_up,
            &current_date.time_era(settings.slots_per_epoch),
        );

        generator.prepare(target_date);

        time::wait_for_date(target_date, rest);

        let config = ConfigurationBuilder::duration(Duration::from_secs(self.duration))
            .thread_no(self.count)
            .step_delay(Duration::from_millis(self.delay))
            .monitor(build_monitor(&self.progress_bar_mode))
            .shutdown_grace_period(Duration::from_secs(30))
            .build();
        let remote_jormungandr = RemoteJormungandrBuilder::new("node".to_string())
            .with_rest(self.endpoint.parse().unwrap())
            .build();
        let fragment_status_provider = FragmentStatusProvider::new(remote_jormungandr);

        let stats =
            jortestkit::load::start_async(generator, fragment_status_provider, config, title);
        stats.print_summary(title);

        Ok(())
    }
}