#!/bin/bash

if [ ! -f "$1" ]; then
  echo "Error: The env file '$1' does not exist."
  exit 1  # Exit the script with a non-zero status to indicate an error
fi

ENV_FILE=$1

# For testing on local vm, use `set -a` to export all variables
source /etc/environment
# shellcheck source=/dev/null
source "$ENV_FILE"

remove_docker_container() { 
    docker rm -f "$CONTAINER_NAME" || true;
}

trap remove_docker_container EXIT

# Remove the container that might not be cleaned up in the previous run.
remove_docker_container

LOG_ROOT=$(mktemp -d)
# If mktemp fails, set -e will cause the script to exit.
echo "Results will be stored in: $LOG_ROOT"

if [ -z "$HF_TOKEN" ]; then
  echo "Error: HF_TOKEN is not set or is empty."  
  exit 1
fi

# Make sure mounted disk or dir exists
if [ ! -d "$DOWNLOAD_DIR" ]; then
    echo "Error: Folder $DOWNLOAD_DIR does not exist. This is useually a mounted drive. If no mounted drive, just create a folder."
    exit 1
fi

echo "Run model $MODEL"
echo

echo "starting docker...$CONTAINER_NAME"
echo    
docker run \
 -v "$DOWNLOAD_DIR":"$DOWNLOAD_DIR" \
 --env-file "$ENV_FILE" \
 -e HF_TOKEN="$HF_TOKEN" \
 -e TARGET_COMMIT="$BUILDKITE_COMMIT" \
 -e MODEL="$MODEL" \
 -e WORKSPACE=/workspace \
 --name "$CONTAINER_NAME" \
 -d \
 --privileged \
 --network host \
 -v /dev/shm:/dev/shm \
 vllm/vllm-tpu-bm tail -f /dev/null

echo "run script..."
echo
docker exec "$CONTAINER_NAME" /bin/bash -c ".buildkite/scripts/tpu/run_bm.sh"

echo "copy result back..."
VLLM_LOG="$LOG_ROOT/$TEST_NAME"_vllm_log.txt
BM_LOG="$LOG_ROOT/$TEST_NAME"_bm_log.txt
docker cp "$CONTAINER_NAME:/workspace/vllm_log.txt" "$VLLM_LOG" 
docker cp "$CONTAINER_NAME:/workspace/bm_log.txt" "$BM_LOG"

throughput=$(grep "Request throughput (req/s):" "$BM_LOG" | sed 's/[^0-9.]//g')
echo "throughput for $TEST_NAME at $BUILDKITE_COMMIT: $throughput"

if [ "$BUILDKITE" = "true" ]; then
  echo "Running inside Buildkite"
  buildkite-agent artifact upload "$VLLM_LOG" 
  buildkite-agent artifact upload "$BM_LOG"
else
  echo "Not running inside Buildkite"
fi

#
# compare the throughput with EXPECTED_THROUGHPUT 
# and assert meeting the expectation
# 
if [[ -z "$throughput" || ! "$throughput" =~ ^[0-9]+([.][0-9]+)?$ ]]; then
  echo "Failed to get the throughput"
  exit 1
fi

if (( $(echo "$throughput < $EXPECTED_THROUGHPUT" | bc -l) )); then
  echo "Error: throughput($throughput) is less than expected($EXPECTED_THROUGHPUT)"
  exit 1
fi
