pub mod accounts;
pub mod constants;
pub mod error;
pub mod instruction;
pub mod grpc;
pub mod common;
pub mod ipfs;
pub mod swqos;
pub mod pumpfun;
pub mod pumpswap;
pub mod trading;

use std::sync::Arc;
use std::sync::Mutex;

use swqos::{FeeClient, JitoClient, NextBlockClient, NozomiClient, SolRpcClient, ZeroSlotClient};
use rustls::crypto::{ring::default_provider, CryptoProvider};
use solana_hash::Hash;
use solana_sdk::{
    commitment_config::CommitmentConfig,
    pubkey::Pubkey,
    signature::{Keypair, Signer},
};

use common::{pumpfun::logs_data::TradeInfo, pumpfun::logs_events::PumpfunEvent, pumpfun::logs_subscribe, Cluster, PriorityFee, SolanaRpcClient};
use common::pumpfun::logs_subscribe::SubscriptionHandle;
use ipfs::TokenMetadataIPFS;

use constants::trade_type::{COPY_BUY, SNIPER_BUY};
use constants::trade_platform::{PUMPFUN, PUMPFUN_SWAP, RAYDIUM};
use accounts::BondingCurveAccount;

pub struct PumpFun {
    pub payer: Arc<Keypair>,
    pub rpc: Arc<SolanaRpcClient>,
    pub fee_clients: Vec<Arc<FeeClient>>,
    pub priority_fee: PriorityFee,
    pub cluster: Cluster,
}

static INSTANCE: Mutex<Option<Arc<PumpFun>>> = Mutex::new(None);

impl Clone for PumpFun {
    fn clone(&self) -> Self {
        Self {
            payer: self.payer.clone(),
            rpc: self.rpc.clone(),
            fee_clients: self.fee_clients.clone(),
            priority_fee: self.priority_fee.clone(),
            cluster: self.cluster.clone(),
        }
    }
}

impl PumpFun {
    #[inline]
    pub async fn new(
        payer: Arc<Keypair>,
        cluster: &Cluster,
    ) -> Self {
        if CryptoProvider::get_default().is_none() {
            let _ = default_provider()
                .install_default()
                .map_err(|e| anyhow::anyhow!("Failed to install crypto provider: {:?}", e));
        }

        let rpc = SolanaRpcClient::new_with_commitment(
            cluster.clone().rpc_url,
            cluster.clone().commitment
        );   
        let rpc = Arc::new(rpc);
        let mut fee_clients: Vec<Arc<FeeClient>> = vec![];
        if cluster.clone().use_jito {
            let jito_client = JitoClient::new(
                cluster.clone().rpc_url, 
                cluster.clone().block_engine_url
            ).await.expect("Failed to create Jito client");

            fee_clients.push(Arc::new(jito_client));
        }

        if cluster.clone().use_zeroslot {
            let zeroslot_client = ZeroSlotClient::new(
                cluster.clone().rpc_url, 
                cluster.clone().zeroslot_url,
                cluster.clone().zeroslot_auth_token
            );

            fee_clients.push(Arc::new(zeroslot_client));
        }

        if cluster.clone().use_nozomi {
            let nozomi_client = NozomiClient::new(
                cluster.clone().rpc_url,
                cluster.clone().nozomi_url,
                cluster.clone().nozomi_auth_token
            );

            fee_clients.push(Arc::new(nozomi_client));
        }

        if cluster.clone().use_nextblock {
            let nextblock_client = NextBlockClient::new(
                cluster.clone().rpc_url,
                cluster.clone().nextblock_url,
                cluster.clone().nextblock_auth_token
            );

            fee_clients.push(Arc::new(nextblock_client));
        }

        if cluster.clone().use_rpc {
            let rpc_client = SolRpcClient::new(rpc.clone());
            fee_clients.push(Arc::new(rpc_client));
        }

        let instance = Self {
            payer,
            rpc,
            fee_clients,
            priority_fee: cluster.clone().priority_fee,
            cluster: cluster.clone(),
        };

        let mut current = INSTANCE.lock().unwrap();
        *current = Some(Arc::new(instance.clone()));

        instance
    }

    /// Get the RPC client instance
    pub fn get_rpc(&self) -> &Arc<SolanaRpcClient> {
        &self.rpc
    }

    /// Get the current instance
    pub fn get_instance() -> Arc<Self> {
        let instance = INSTANCE.lock().unwrap();
        instance.as_ref().expect("PumpFun instance not initialized. Please call new() first.").clone()
    }

    /// Create a new token
    pub async fn create(
        &self,
        mint: Keypair,
        ipfs: TokenMetadataIPFS,
    ) -> Result<(), anyhow::Error> {
        pumpfun::create::create(
            self.rpc.clone(),
            self.payer.clone(),
            mint,
            ipfs,
            self.priority_fee.clone(),
        ).await 
    }

    pub async fn create_and_buy(
        &self,
        mint: Keypair,
        ipfs: TokenMetadataIPFS,
        amount_sol: u64,
        slippage_basis_points: Option<u64>,
        recent_blockhash: Hash,
    ) -> Result<(), anyhow::Error> {
        pumpfun::create::create_and_buy(
            self.rpc.clone(),
            self.payer.clone(),
            mint,
            ipfs,
            amount_sol,
            slippage_basis_points,
            self.priority_fee.clone(),
            recent_blockhash,
        ).await
    }

    pub async fn create_and_buy_with_tip(
        &self,
        payer: Arc<Keypair>, 
        mint: Keypair,
        ipfs: TokenMetadataIPFS,
        buy_sol_cost: u64,
        slippage_basis_points: Option<u64>,
        recent_blockhash: Hash,
    ) -> Result<(), anyhow::Error> { 
        pumpfun::create::create_and_buy_with_tip(
            self.rpc.clone(),
            self.fee_clients.clone(),
            payer,
            mint,
            ipfs,
            buy_sol_cost,
            slippage_basis_points,
            self.priority_fee.clone(),
            recent_blockhash,
        ).await
    }
    
    /// Buy tokens
    pub async fn sniper_buy(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        dev_buy_token: u64,
        dev_sol_cost: u64,
        buy_sol_cost: u64,
        slippage_basis_points: Option<u64>,
        recent_blockhash: Hash,
    ) -> Result<(), anyhow::Error> {
        pumpfun::buy::buy(
            self.rpc.clone(),
            self.payer.clone(),
            mint,
            creator,
            dev_buy_token,
            dev_sol_cost,
            buy_sol_cost,
            slippage_basis_points,
            self.priority_fee.clone(),
            self.cluster.clone().lookup_table_key,
            recent_blockhash,
            None,
            SNIPER_BUY.to_string(),
        ).await
    }

    pub async fn copy_buy(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        dev_buy_token: u64,
        dev_sol_cost: u64,
        buy_sol_cost: u64,
        slippage_basis_points: Option<u64>,
        recent_blockhash: Hash,
        bonding_curve: Option<Arc<BondingCurveAccount>>,
        trade_platform: String,
    ) -> Result<(), anyhow::Error> {
        if trade_platform == PUMPFUN {
            pumpfun::buy::buy(
                self.rpc.clone(),
                self.payer.clone(),
                mint,
                creator,
                dev_buy_token,
                dev_sol_cost,
                buy_sol_cost,
                slippage_basis_points,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                bonding_curve,
                COPY_BUY.to_string(),
            ).await
        } else if trade_platform == PUMPFUN_SWAP {
            pumpswap::buy::buy(
                self.rpc.clone(),
                self.payer.clone(),
                mint,
                creator,
                buy_sol_cost,
                slippage_basis_points,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                None,
                None,
                None,
                None,
                None,
            ).await
        } else {
            Err(anyhow::anyhow!("Unsupported trade platform: {}", trade_platform))
        }
    }

    /// Buy tokens using Jito
    pub async fn sniper_buy_with_tip(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        dev_buy_token: u64,
        dev_sol_cost: u64,
        buy_sol_cost: u64,
        slippage_basis_points: Option<u64>,
        recent_blockhash: Hash,
    ) -> Result<(), anyhow::Error> {
        pumpfun::buy::buy_with_tip(
            self.fee_clients.clone(),
            self.payer.clone(),
            mint,
            creator,
            dev_buy_token,
            dev_sol_cost,
            buy_sol_cost,
            slippage_basis_points,
            self.priority_fee.clone(),
            self.cluster.clone().lookup_table_key,
            recent_blockhash,
            None,
            SNIPER_BUY.to_string(),
        ).await
    }

    pub async fn copy_buy_with_tip(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        dev_buy_token: u64,
        dev_sol_cost: u64,
        buy_sol_cost: u64,
        slippage_basis_points: Option<u64>,
        recent_blockhash: Hash,
        bonding_curve: Option<Arc<BondingCurveAccount>>,
        trade_platform: String,
        custom_buy_tip_fee: Option<f64>,
    ) -> Result<(), anyhow::Error> {
        let mut priority_fee = self.priority_fee.clone();
        if custom_buy_tip_fee.is_some() {
            priority_fee.buy_tip_fee = custom_buy_tip_fee.unwrap();
            priority_fee.buy_tip_fees = vec![custom_buy_tip_fee.unwrap()];
        }
        if trade_platform == PUMPFUN {
            pumpfun::buy::buy_with_tip(
                self.fee_clients.clone(),
                self.payer.clone(),
                mint,
                creator,
                dev_buy_token,
                dev_sol_cost,
                buy_sol_cost,
                slippage_basis_points,
                priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                bonding_curve,
                COPY_BUY.to_string(),
            ).await
        } else if trade_platform == PUMPFUN_SWAP {
            pumpswap::buy::buy_with_tip(
                self.rpc.clone(),
                self.fee_clients.clone(),
                self.payer.clone(),
                mint,
                creator,
                buy_sol_cost,
                slippage_basis_points,
                priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                None,
                None,
                None,
                None,
                None,
            ).await
        } else {
            Err(anyhow::anyhow!("Unsupported trade platform: {}", trade_platform))
        }
    }

    /// Sell tokens
    pub async fn sell(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        amount_token: u64,
        recent_blockhash: Hash,
    ) -> Result<(), anyhow::Error> {
        pumpfun::sell::sell(
            self.rpc.clone(),
            self.payer.clone(),
            mint.clone(),
            creator,
            amount_token,
            self.priority_fee.clone(),
            self.cluster.clone().lookup_table_key,
            recent_blockhash,
        ).await
    }

    /// Sell tokens by percentage
    pub async fn sell_by_percent(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        percent: u64,
        amount_token: u64,
        recent_blockhash: Hash,
        trade_platform: String,
    ) -> Result<(), anyhow::Error> {
        if trade_platform == PUMPFUN {
            pumpfun::sell::sell_by_percent(
                self.rpc.clone(),
                self.payer.clone(),
                mint.clone(),
                creator,
                percent,
                amount_token,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
            ).await
        } else if trade_platform == PUMPFUN_SWAP {
            pumpswap::sell::sell_by_percent(
                self.rpc.clone(),
                self.payer.clone(),
                mint.clone(),
                creator,
                percent,
                None,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                None,
                None,
                None,
                None,
                None,
            ).await
        } else {
            Err(anyhow::anyhow!("Unsupported trade platform: {}", trade_platform))
        }
    }

    /// Sell tokens by amount
    pub async fn sell_by_amount(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        amount: u64,
        recent_blockhash: Hash,
        trade_platform: String,
    ) -> Result<(), anyhow::Error> {
        if trade_platform == PUMPFUN {
            pumpfun::sell::sell_by_amount(
                self.rpc.clone(),
                self.payer.clone(),
                mint.clone(),
                creator,
                amount,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
            ).await
        } else if trade_platform == PUMPFUN_SWAP {
            pumpswap::sell::sell_by_amount(
                self.rpc.clone(),
                self.payer.clone(),
                mint.clone(),
                creator,
                amount,
                None,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                None,
                None,
                None,
                None,
                None,
            ).await
        } else {
            Err(anyhow::anyhow!("Unsupported trade platform: {}", trade_platform))
        }
    }

    pub async fn sell_by_percent_with_tip(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        percent: u64,
        amount_token: u64,
        recent_blockhash: Hash,
        trade_platform: String,
    ) -> Result<(), anyhow::Error> {
        if trade_platform == PUMPFUN {
            pumpfun::sell::sell_by_percent_with_tip(
                self.rpc.clone(),
                self.fee_clients.clone(),
                self.payer.clone(),
                mint,
                creator,
                percent,
                amount_token,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
            ).await
        } else if trade_platform == PUMPFUN_SWAP {
            pumpswap::sell::sell_by_percent_with_tip(
                self.rpc.clone(),
                self.fee_clients.clone(),
                self.payer.clone(),
                mint,
                creator,
                percent,
                None,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                None,
                None,
                None,
                None,
                None,
            ).await
        } else {
            Err(anyhow::anyhow!("Unsupported trade platform: {}", trade_platform))  
        }
    }

    pub async fn sell_by_amount_with_tip(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        amount: u64,
        recent_blockhash: Hash,
        trade_platform: String,
    ) -> Result<(), anyhow::Error> {
        if trade_platform == PUMPFUN {
            pumpfun::sell::sell_by_amount_with_tip(
                self.rpc.clone(),
                self.fee_clients.clone(),
                self.payer.clone(),
                mint,
                creator,
                amount,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
            ).await
        } else if trade_platform == PUMPFUN_SWAP {
            pumpswap::sell::sell_by_amount_with_tip(
                self.rpc.clone(),
                self.fee_clients.clone(),
                self.payer.clone(),
                mint,
                creator,
                amount,
                None,
                self.priority_fee.clone(),
                self.cluster.clone().lookup_table_key,
                recent_blockhash,
                None,
                None,
                None,
                None,
                None,
            ).await
        } else {
            Err(anyhow::anyhow!("Unsupported trade platform: {}", trade_platform))
        }
    }

    /// Sell tokens using Jito
    pub async fn sell_with_tip(
        &self,
        mint: Pubkey,
        creator: Pubkey,
        amount_token: u64,
        recent_blockhash: Hash,
    ) -> Result<(), anyhow::Error> {
        pumpfun::sell::sell_with_tip(
            self.rpc.clone(),
            self.fee_clients.clone(),
            self.payer.clone(),
            mint,
            creator,
            amount_token,
            self.priority_fee.clone(),
            self.cluster.clone().lookup_table_key,
            recent_blockhash,
        ).await
    }

    #[inline]
    pub async fn tokens_subscription<F>(
        &self,
        ws_url: &str,
        commitment: CommitmentConfig,
        callback: F,
        bot_wallet: Option<Pubkey>,
    ) -> Result<SubscriptionHandle, Box<dyn std::error::Error>>
    where
        F: Fn(PumpfunEvent) + Send + Sync + 'static,
    {
        logs_subscribe::tokens_subscription(ws_url, commitment, callback, bot_wallet).await
    }

    #[inline]
    pub async fn stop_subscription(&self, subscription_handle: SubscriptionHandle) {
        subscription_handle.shutdown().await;
    }

    #[inline]
    pub async fn get_sol_balance(&self, payer: &Pubkey) -> Result<u64, anyhow::Error> {
        pumpfun::common::get_sol_balance(&self.rpc, payer).await
    }

    #[inline]
    pub async fn get_payer_sol_balance(&self) -> Result<u64, anyhow::Error> {
        pumpfun::common::get_sol_balance(&self.rpc, &self.payer.pubkey()).await
    }

    #[inline]
    pub async fn get_token_balance(&self, payer: &Pubkey, mint: &Pubkey) -> Result<u64, anyhow::Error> {
        println!("get_token_balance payer: {}, mint: {}, cluster: {}", payer, mint, self.cluster.rpc_url);
        pumpfun::common::get_token_balance(&self.rpc, payer, mint).await
    }

    #[inline]
    pub async fn get_payer_token_balance(&self, mint: &Pubkey) -> Result<u64, anyhow::Error> {
        pumpfun::common::get_token_balance(&self.rpc, &self.payer.pubkey(), mint).await
    }

    #[inline]
    pub fn get_payer_pubkey(&self) -> Pubkey {
        self.payer.pubkey()
    }

    #[inline]
    pub fn get_payer(&self) -> &Keypair {
        self.payer.as_ref()
    }

    #[inline]
    pub fn get_token_price(&self,virtual_sol_reserves: u64, virtual_token_reserves: u64) -> f64 {
        pumpfun::common::get_token_price(virtual_sol_reserves, virtual_token_reserves)
    }

    #[inline]
    pub fn get_buy_price(&self, amount: u64, trade_info: &TradeInfo) -> u64 {
        pumpfun::common::get_buy_price(amount, trade_info)
    }

    #[inline]
    pub async fn transfer_sol(&self, payer: &Keypair, receive_wallet: &Pubkey, amount: u64) -> Result<(), anyhow::Error> {
        pumpfun::common::transfer_sol(&self.rpc, payer, receive_wallet, amount).await
    }

    #[inline]
    pub async fn close_token_account(&self, mint: &Pubkey) -> Result<(), anyhow::Error> {
        pumpfun::common::close_token_account(&self.rpc, self.payer.as_ref(), mint).await
    }

    #[inline]
    pub async fn get_current_price(&self, mint: &Pubkey) -> Result<f64, anyhow::Error> {
        let (bonding_curve, _) = pumpfun::common::get_bonding_curve_account_v2(&self.rpc, mint).await?;
        
        let virtual_sol_reserves = bonding_curve.virtual_sol_reserves;
        let virtual_token_reserves = bonding_curve.virtual_token_reserves;
        
        Ok(pumpfun::common::get_token_price(virtual_sol_reserves, virtual_token_reserves))
    }

    #[inline]
    pub async fn get_real_sol_reserves(&self, mint: &Pubkey) -> Result<u64, anyhow::Error> {
        let (bonding_curve, _) = pumpfun::common::get_bonding_curve_account_v2(&self.rpc, mint).await?;
        
        let actual_sol_reserves = bonding_curve.real_sol_reserves;
        
        Ok(actual_sol_reserves)
    }

    #[inline]
    pub async fn get_creator(&self, mint: &Pubkey) -> Result<Pubkey, anyhow::Error> {
        let (bonding_curve, _) = pumpfun::common::get_bonding_curve_account_v2(&self.rpc, mint).await?;
        
        let creator = bonding_curve.creator;
        
        Ok(creator)
    }

    #[inline]
    pub async fn get_current_price_with_pumpswap(&self, pool_address: &Pubkey) -> Result<f64, anyhow::Error> {
        let pool = pumpswap::pool::Pool::fetch(&self.rpc, pool_address).await?;
        
        let (base_amount, quote_amount) = pool.get_token_balances(&self.rpc).await?;
        
        // Calculate price using constant product formula (x * y = k)
        // Price = quote_amount / base_amount
        if base_amount == 0 {
            return Err(anyhow::anyhow!("Base amount is zero, cannot calculate price"));
        }
        
        let price = quote_amount as f64 / base_amount as f64;
        
        Ok(price)
    }

    #[inline]
    pub async fn get_real_sol_reserves_with_pumpswap(&self, pool_address: &Pubkey) -> Result<u64, anyhow::Error> {
        let pool = pumpswap::pool::Pool::fetch(&self.rpc, pool_address).await?;
        
        let (_, quote_amount) = pool.get_token_balances(&self.rpc).await?;
        
        Ok(quote_amount)
    }

    #[inline]
    pub async fn get_payer_token_balance_with_pumpswap(&self, pool_address: &Pubkey) -> Result<u64, anyhow::Error> {
        let pool = pumpswap::pool::Pool::fetch(&self.rpc, pool_address).await?;
        
        let (base_amount, _) = pool.get_token_balances(&self.rpc).await?;
        
        Ok(base_amount)
    }
}