use sol_trade_sdk::common::TradeConfig;
use sol_trade_sdk::{
    common::AnyResult,
    swqos::SwqosConfig,
    trading::{
        core::params::{BonkParams, DexParamEnum},
        factory::DexType,
    },
    SolanaTrade,
};
use solana_commitment_config::CommitmentConfig;
use solana_streamer_sdk::streaming::event_parser::common::filter::EventTypeFilter;
use solana_streamer_sdk::streaming::event_parser::common::EventType;
use solana_streamer_sdk::streaming::event_parser::protocols::bonk::BonkTradeEvent;
use solana_streamer_sdk::streaming::event_parser::{DexEvent, Protocol};
use solana_streamer_sdk::streaming::ShredStreamGrpc;
use std::sync::{
    atomic::{AtomicBool, Ordering},
    Arc,
};

/// Atomic flag to ensure the sniper trade is executed only once
static ALREADY_EXECUTED: AtomicBool = AtomicBool::new(false);

/// Main entry point - subscribes to Bonk events and executes sniper trades on token creation
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    println!("Subscribing to ShredStream events...");
    let shred_stream = ShredStreamGrpc::new("use_your_shred_stream_url_here".to_string()).await?;
    let callback = create_event_callback();
    let protocols = vec![Protocol::Bonk];
    let event_type_filter = EventTypeFilter::include_only(vec![
        EventType::BonkBuyExactIn,
        EventType::BonkBuyExactOut,
        EventType::BonkSellExactIn,
        EventType::BonkSellExactOut,
        EventType::BonkInitialize,
        EventType::BonkInitializeV2,
    ]);
    println!("Starting to listen for events, press Ctrl+C to stop...");
    shred_stream.shredstream_subscribe(protocols, None, Some(event_type_filter), callback).await?;
    tokio::signal::ctrl_c().await?;
    Ok(())
}

/// Create an event callback function that handles different types of events
fn create_event_callback() -> impl Fn(DexEvent) {
    |event: DexEvent| {
        let DexEvent::BonkTradeEvent(event) = event else {
            return;
        };
        if !event.is_dev_create_token_trade {
            return;
        }
        if !ALREADY_EXECUTED.swap(true, Ordering::SeqCst) {
            tokio::spawn(async move {
                if let Err(err) = bonk_sniper_trade_with_shreds(event).await {
                    eprintln!("Error in sniper trade: {:?}", err);
                    std::process::exit(1);
                }
            });
        }
    }
}

/// Create SolanaTrade client
/// Initializes a new SolanaTrade client with configuration
async fn create_solana_trade_client() -> AnyResult<SolanaTrade> {
    println!("🚀 Initializing SolanaTrade client...");
    let payer = sol_trade_sdk::common::keypair::load_keypair_from_env("PRIVATE_KEY")?;
    let rpc_url = "https://api.mainnet-beta.solana.com".to_string();
    let commitment = CommitmentConfig::confirmed();
    let swqos_configs: Vec<SwqosConfig> = vec![SwqosConfig::Default(rpc_url.clone())];
    let trade_config = TradeConfig::builder(rpc_url, swqos_configs, commitment)
        // .create_wsol_ata_on_startup(true)  // default: true
        // .use_seed_optimize(true)            // default: true
        // .log_enabled(true)                  // default: true
        // .check_min_tip(false)               // default: false
        // .swqos_cores_from_end(false)        // default: false
        // .mev_protection(false)              // default: false
        .build();
    let solana_trade = SolanaTrade::new(Arc::new(payer), trade_config).await;
    println!("✅ SolanaTrade client initialized successfully!");
    Ok(solana_trade)
}

/// Execute Bonk sniper trading strategy based on received token creation event
/// This function buys tokens immediately after creation and then sells all tokens
async fn bonk_sniper_trade_with_shreds(trade_info: BonkTradeEvent) -> AnyResult<()> {
    println!("Testing Bonk trading...");

    let client = create_solana_trade_client().await?;
    let mint_pubkey = trade_info.base_token_mint;
    let slippage_basis_points = Some(300);
    let recent_blockhash = client.infrastructure.rpc.get_latest_blockhash().await?;

    let gas_fee_strategy = sol_trade_sdk::common::GasFeeStrategy::new();
    gas_fee_strategy.set_global_fee_strategy(150000, 150000, 500000, 500000, 0.001, 0.001);

    let token_type = if trade_info.quote_token_mint == sol_trade_sdk::constants::USD1_TOKEN_ACCOUNT
    {
        sol_trade_sdk::TradeTokenType::USD1
    } else {
        sol_trade_sdk::TradeTokenType::SOL
    };
    let balance_before = client
        .get_payer_token_balance_with_program(&mint_pubkey, &trade_info.base_token_program)
        .await?;

    // Buy tokens
    println!("Buying tokens from Bonk...");
    let buy_sol_amount = 100_000;
    let buy_params = sol_trade_sdk::TradeBuyParams {
        dex_type: DexType::Bonk,
        input_token_type: token_type.clone(),
        mint: mint_pubkey,
        input_token_amount: buy_sol_amount,
        slippage_basis_points: slippage_basis_points,
        recent_blockhash: Some(recent_blockhash),
        extension_params: DexParamEnum::Bonk(BonkParams::from_dev_trade(
            trade_info.exact_in,
            trade_info.amount_in,
            trade_info.amount_out,
            trade_info.pool_state,
            trade_info.base_vault,
            trade_info.quote_vault,
            trade_info.base_token_program,
            trade_info.platform_config,
            trade_info.platform_associated_account,
            trade_info.creator_associated_account,
            trade_info.global_config,
        )),
        address_lookup_table_accounts: Vec::new(),
        wait_tx_confirmed: true,
        wait_for_all_submits: false,
        create_input_token_ata: true,
        close_input_token_ata: true,
        create_mint_ata: true,
        durable_nonce: None,
        fixed_output_token_amount: None,
        gas_fee_strategy: gas_fee_strategy.clone(),
        simulate: false,
        use_exact_sol_amount: None,
        grpc_recv_us: None,
    };
    let (ok, sigs, err, _) = client.buy(buy_params).await?;
    if !ok {
        return Err(
            std::io::Error::other(format!("buy failed: {:?}; sigs: {:?}", err, sigs)).into()
        );
    }

    // Sell tokens
    println!("Selling tokens from Bonk...");

    let balance_after = client
        .get_payer_token_balance_with_program(&mint_pubkey, &trade_info.base_token_program)
        .await?;
    let amount_token = balance_after
        .checked_sub(balance_before)
        .ok_or_else(|| std::io::Error::other("token balance decreased after buy"))?;
    if amount_token == 0 {
        return Err(std::io::Error::other("confirmed buy did not increase token balance").into());
    }

    println!("Selling {} tokens", amount_token);
    let sell_params = sol_trade_sdk::TradeSellParams {
        dex_type: DexType::Bonk,
        output_token_type: token_type,
        mint: mint_pubkey,
        input_token_amount: amount_token,
        slippage_basis_points: slippage_basis_points,
        recent_blockhash: Some(client.infrastructure.rpc.get_latest_blockhash().await?),
        extension_params: DexParamEnum::Bonk(BonkParams::immediate_sell(
            trade_info.base_token_program,
            trade_info.platform_config,
            trade_info.platform_associated_account,
            trade_info.creator_associated_account,
            trade_info.global_config,
        )),
        address_lookup_table_accounts: Vec::new(),
        wait_tx_confirmed: true,
        wait_for_all_submits: false,
        create_output_token_ata: true,
        close_output_token_ata: true,
        close_mint_token_ata: false,
        with_tip: false,
        durable_nonce: None,
        fixed_output_token_amount: None,
        gas_fee_strategy: gas_fee_strategy,
        simulate: false,
        grpc_recv_us: None,
    };
    let (ok, sigs, err, _) = client.sell(sell_params).await?;
    if !ok {
        return Err(
            std::io::Error::other(format!("sell failed: {:?}; sigs: {:?}", err, sigs)).into()
        );
    }

    // Exit program after completing the trade
    std::process::exit(0);
}