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use std::ops::Div;

use solana_client::rpc_client::RpcClient;
use solana_program::pubkey::Pubkey;

use spl_token::ui_amount_to_amount;

use common::client::get_decimals;
use common::command::{CliConfig, ProcessResult};
use common::contract::instructions::update_rewarder_emission::new_update_rewarder_emission;
use common::contract::state::Clmmpool;
use common::utils::send::send_tx;

pub fn process(
    rpc_client: &RpcClient,
    config: &mut CliConfig,
    clmmpool: Pubkey,
    rewarder_index: u8,
    emissions_per_day: f64,
) -> ProcessResult {
    let clmmpool_info = Clmmpool::get_info(rpc_client, &clmmpool);

    let reward = clmmpool_info.reward_infos.0.as_slice()[rewarder_index as usize];

    let decimal = get_decimals(rpc_client, &reward.mint);

    let emissions_per_day_lamport = ui_amount_to_amount(emissions_per_day, decimal);

    let emissions_per_second = ((emissions_per_day_lamport as u128) << 64).div(60 * 60 * 24);

    let rewarder_authority_pubkey = config.pubkey().unwrap();

    let ixs = [new_update_rewarder_emission(
        clmmpool_info.clmm_config,
        clmmpool,
        rewarder_authority_pubkey,
        rewarder_index,
        emissions_per_second,
    )];

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

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