//! Batch write operations for RocksDB.
//!
//! Provides atomic batch writes across multiple column families.

use crate::types::Result;
use rocksdb::{WriteBatch, DB};
use std::sync::Arc;

/// Batch writer for atomic multi-operation writes.
///
/// All operations in a batch are committed atomically.
pub struct BatchWriter {
    batch: WriteBatch,
    db: Arc<DB>,
}

impl BatchWriter {
    /// Create new batch writer.
    ///
    /// # Arguments
    ///
    /// * `db` - Database handle
    ///
    /// # Returns
    ///
    /// New `BatchWriter` instance
    pub fn new(db: Arc<DB>) -> Self {
        todo!("Implement BatchWriter::new")
    }

    /// Add put operation to batch.
    ///
    /// # Arguments
    ///
    /// * `cf_name` - Column family name
    /// * `key` - Key bytes
    /// * `value` - Value bytes
    pub fn put(&mut self, cf_name: &str, key: &[u8], value: &[u8]) {
        todo!("Implement BatchWriter::put")
    }

    /// Add delete operation to batch.
    ///
    /// # Arguments
    ///
    /// * `cf_name` - Column family name
    /// * `key` - Key bytes
    pub fn delete(&mut self, cf_name: &str, key: &[u8]) {
        todo!("Implement BatchWriter::delete")
    }

    /// Commit batch atomically.
    ///
    /// # Errors
    ///
    /// Returns `DatabaseError::StorageError` if commit fails
    pub fn commit(self) -> Result<()> {
        todo!("Implement BatchWriter::commit")
    }

    /// Clear all operations from batch without committing.
    pub fn clear(&mut self) {
        todo!("Implement BatchWriter::clear")
    }
}
