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use std::str::FromStr;

use crate::math::fee::ui_fee_to_lamport_4;
use borsh::BorshDeserialize;
use borsh::BorshSerialize;
use solana_program::instruction::{AccountMeta, Instruction};
use solana_program::pubkey::Pubkey;

use crate::clmmpool::pair::create_config::ClmmConfigTemplate;
use crate::program::PROGRAM_ID;
use crate::utils::sighash;

#[derive(BorshSerialize, BorshDeserialize, PartialEq, Debug, Clone)]
pub struct CreateClmmConfigArgs {
    pub protocol_fee_authority: Pubkey,
    pub protocol_fee_claim_authority: Pubkey,
    pub protocol_fee_rate: u16,
}

pub fn new_create_clmm_config(
    template: &ClmmConfigTemplate,
    clmm_config_pubkey: Pubkey,
    payer: Pubkey,
) -> Instruction {
    let data = &CreateClmmConfigArgs {
        protocol_fee_authority: Pubkey::from_str(template.protocol_fee_authority.as_str()).unwrap(),
        protocol_fee_claim_authority: Pubkey::from_str(
            template.protocol_fee_claim_authority.as_str(),
        )
            .unwrap(),
        protocol_fee_rate: ui_fee_to_lamport_4(template.protocol_fee_rate) as u16,
    };

    let mut dsa = data.try_to_vec().unwrap();
    let mut distor = sighash::sighash("global", "create_clmm_config").to_vec();
    distor.append(&mut dsa);

    Instruction {
        program_id: PROGRAM_ID,
        accounts: vec![
            AccountMeta::new(payer, true),
            AccountMeta::new(clmm_config_pubkey, true),
            AccountMeta::new_readonly(solana_program::sysvar::rent::id(), false),
            AccountMeta::new_readonly(solana_program::system_program::id(), false),
        ],
        data: distor,
    }
}