use solana_program::{
    account_info::AccountInfo,
    entrypoint,
    pubkey::Pubkey,
    entrypoint::ProgramResult,
};

// Define the contract struct
pub struct QuantumSafeContract;

impl QuantumSafeContract {
    pub fn process_instruction(
        _program_id: &Pubkey,
        _accounts: &[AccountInfo],
        _data: &[u8],
    ) -> ProgramResult {
        // Your logic here
        Ok(())
    }
}

pub mod core;
// Define the entrypoint using the macro
entrypoint!(process_instruction);

fn process_instruction(
    program_id: &Pubkey,
    accounts: &[AccountInfo],
    data: &[u8],
) -> ProgramResult {
    QuantumSafeContract::process_instruction(program_id, accounts, data)
}

#[cfg(test)]
mod tests {
    use super::*;
    use solana_program::{
        account_info::AccountInfo,
        pubkey::Pubkey,
        entrypoint::ProgramResult,
    };

    #[test]
    fn test_process_instruction() {
        // Create unique public key
        let program_id = Pubkey::new_unique();
        
        // Create mutable binding for account data
        let mut lamports = 0;
        
        // Create AccountInfo instance with a long-lived value
        let pubkey = Pubkey::new_unique();
        let accounts = vec![AccountInfo::new(
            &pubkey,
            false,
            false,
            &mut lamports,
            &mut [],
            &program_id,
            false,
            0,
        )];
        
        let data = &[0u8; 0]; // Empty data

        // Call the function
        let result = QuantumSafeContract::process_instruction(&program_id, &accounts, data);

        // Assert the expected result
        assert_eq!(result, Ok(()));
    }
}
