//===----------------------------------------------------------------------===//
//
//                         BusTub
//
// hash_join_executor.cpp
//
// Identification: src/execution/hash_join_executor.cpp
//
// Copyright (c) 2015-2025, Carnegie Mellon University Database Group
//
//===----------------------------------------------------------------------===//

#include "execution/executors/hash_join_executor.h"
#include "common/macros.h"

namespace bustub {

/**
 * Construct a new HashJoinExecutor instance.
 * @param exec_ctx The executor context
 * @param plan The HashJoin join plan to be executed
 * @param left_child The child executor that produces tuples for the left side of join
 * @param right_child The child executor that produces tuples for the right side of join
 */
HashJoinExecutor::HashJoinExecutor(ExecutorContext *exec_ctx, const HashJoinPlanNode *plan,
                                   std::unique_ptr<AbstractExecutor> &&left_child,
                                   std::unique_ptr<AbstractExecutor> &&right_child)
    : AbstractExecutor(exec_ctx) {
  if (plan->GetJoinType() != JoinType::LEFT && plan->GetJoinType() != JoinType::INNER) {
    // Note for Spring 2025: You ONLY need to implement left join and inner join.
    throw bustub::NotImplementedException(fmt::format("join type {} not supported", plan->GetJoinType()));
  }
  UNIMPLEMENTED("TODO(P3): Add implementation.");
}

/** Initialize the join */
void HashJoinExecutor::Init() { UNIMPLEMENTED("TODO(P3): Add implementation."); }

/**
 * Yield the next tuple batch from the hash join.
 * @param[out] tuple_batch The next tuple batch produced by the hash join
 * @param[out] rid_batch The next tuple RID batch produced by the hash join
 * @param batch_size The number of tuples to be included in the batch (default: BUSTUB_BATCH_SIZE)
 * @return `true` if a tuple was produced, `false` if there are no more tuples
 */
auto HashJoinExecutor::Next(std::vector<bustub::Tuple> *tuple_batch, std::vector<bustub::RID> *rid_batch,
                            size_t batch_size) -> bool {
  UNIMPLEMENTED("TODO(P3): Add implementation.");
}

}  // namespace bustub