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use std::{fs};
use std::io::Write;
use std::str::FromStr;
use std::sync::Arc;

use clap::ArgMatches;
use nom::AsBytes;
use serde::{Deserialize, Serialize};
use solana_clap_utils::keypair::DefaultSigner;
use solana_client::rpc_client::RpcClient;
use solana_program::pubkey::Pubkey;
use solana_remote_wallet::remote_wallet::RemoteWalletManager;
use solana_sdk::signature::{read_keypair_file, Signer};
use tabled::Tabled;

use crate::check_and_update_err;
use common::command::{CliCommand, CliCommandInfo, CliConfig, CliError, ProcessResult};
use common::contract::instructions::create_fee_tier::new_create_fee_tier;
use common::math::fee::ui_fee_to_lamport;
use common::program::SWAP_PROGRAM_ID;
use common::utils::file::{get_template_dir, read_for_str};
use common::utils::send::send_tx;

pub const FEE_TIER_TEMPLATE_DIR: &str = "./fee-tier-template.yaml";

#[derive(Debug, Serialize, Deserialize, Tabled)]
pub struct FeeTierTemplate {
    pub clmm_config: String,
    pub fee_authority: String,
    pub tick_spacing: u16,
    pub fee_rate: f64,
}

pub fn parse_create_fee_tier<'a>(
    matches: &'a ArgMatches,
    default_signer: Box<DefaultSigner>,
    mut wallet_manager: Box<Option<Arc<RemoteWalletManager>>>,
) -> Result<CliCommandInfo, CliError> {
    let entry_file = get_template_dir(matches, "entry_file", FEE_TIER_TEMPLATE_DIR);
    Ok(CliCommandInfo {
        command: Box::new(CliCommand::PairFeeTierCreate {
            entry_file: entry_file.unwrap().to_string(),
        }),
        signers: vec![check_and_update_err!(
            default_signer.signer_from_path(matches, wallet_manager.as_mut()),
            CliError::RpcRequestError("owner key is invalid".to_string())
        )?],
    })
}

pub fn process_create_fee_tier(
    rpc_client: &RpcClient,
    config: &mut CliConfig,
    output: &str,
) -> ProcessResult {
    let mut fee_tier: FeeTierTemplate = read_for_str(output);
    println!("{:?}", fee_tier);
    let fee_rate = ui_fee_to_lamport(fee_tier.fee_rate) as u16;

    let (fee_tier_pubkey, _) = Pubkey::find_program_address(
        &[
            b"fee_tier",
            Pubkey::from_str(fee_tier.clmm_config.as_str())
                .unwrap()
                .as_ref(),
            fee_rate.to_le_bytes().as_bytes(),
            fee_tier.tick_spacing.to_le_bytes().as_bytes(),
        ],
        &SWAP_PROGRAM_ID,
    );


    let fee_authority_keypair = read_keypair_file(fee_tier.fee_authority.clone())?;

    fee_tier.fee_authority = fee_authority_keypair.pubkey().to_string();

    config.signers.push(Box::new(fee_authority_keypair));

    let ixs = [new_create_fee_tier(
        Pubkey::from_str(fee_tier.clmm_config.as_str()).unwrap(),
        Pubkey::from_str(fee_tier.fee_authority.as_str()).unwrap(),
        fee_tier.tick_spacing,
        fee_rate,
        fee_tier_pubkey,
        config.pubkey().unwrap(),
    )];

    let res = send_tx(rpc_client, config, &ixs)?;

    println!("fee tier key: {}", fee_tier_pubkey.to_string());

    Ok("signers : ".to_owned() + res.to_string().as_str())
}

pub fn parse_create_fee_tier_template<'a>(
    matches: &'a ArgMatches,
) -> Result<CliCommandInfo, CliError> {
    let output_file = get_template_dir(matches, "output-file", FEE_TIER_TEMPLATE_DIR);
    Ok(CliCommandInfo {
        command: Box::new(CliCommand::PairFeeTierCreateTemplate {
            output_file: output_file.unwrap().to_string(),
        }),
        signers: vec![],
    })
}

pub fn process_create_fee_tier_template(output: &str) -> ProcessResult {
    let fee_tier_template = FeeTierTemplate {
        clmm_config: Pubkey::from_str("BPFLoaderUpgradeab1e11111111111111111111111")
            .unwrap()
            .to_string(),
        fee_authority: "/solana/xxx.json (private key address)".to_string(),
        tick_spacing: 100,
        fee_rate: 0.0001,
    };

    let mut file = fs::File::create(output).expect("create failed");
    file.write_all(
        serde_yaml::to_string(&fee_tier_template)
            .unwrap()
            .as_bytes(),
    )
        .expect("write failed");

    Ok(output.to_string() + " file create success".to_string().as_str())
}