#!/usr/bin/env bash

set -e

SRC_PATH=$(dirname "$(realpath "$0")")
SCRIPT_DIR=$(dirname "$SRC_PATH")
cd "$SCRIPT_DIR"/.. || exit 1
OUTPUT_FOLDER_NAME=sharepoint-azure-dest
OUTPUT_ROOT=${OUTPUT_ROOT:-$SCRIPT_DIR}
OUTPUT_DIR=$OUTPUT_ROOT/structured-output/$OUTPUT_FOLDER_NAME
WORK_DIR=$OUTPUT_ROOT/workdir/$OUTPUT_FOLDER_NAME
DOWNLOAD_DIR=$SCRIPT_DIR/download/$OUTPUT_FOLDER_NAME
DESTINATION_INDEX="utic-test-ingest-fixtures-output-$(uuidgen)"
# The vector configs on the schema currently only exist on versions:
# 2023-07-01-Preview, 2021-04-30-Preview, 2020-06-30-Preview
API_VERSION=2023-07-01-Preview
CI=${CI:-"false"}

if [ -z "$SHAREPOINT_CLIENT_ID" ] || [ -z "$SHAREPOINT_CRED" ]; then
  echo "Skipping Sharepoint ingest test because the SHAREPOINT_CLIENT_ID or SHAREPOINT_CRED env var is not set."
  exit 8
fi

if [ -z "$SHAREPOINT_PERMISSIONS_APP_ID" ] || [ -z "$SHAREPOINT_PERMISSIONS_APP_CRED" ] || [ -z "$SHAREPOINT_PERMISSIONS_TENANT" ]; then
  echo "Skipping Sharepoint ingest test because the SHAREPOINT_PERMISSIONS_APP_ID, SHAREPOINT_PERMISSIONS_APP_CRED, or SHAREPOINT_PERMISSIONS_TENANT env var is not set."
  exit 8
fi

if [ -z "$OPENAI_API_KEY" ]; then
  echo "Skipping Sharepoint embedding ingest test because the OPENAI_API_KEY env var is not set."
  exit 8
fi

if [ -z "$AZURE_SEARCH_ENDPOINT" ] && [ -z "$AZURE_SEARCH_API_KEY" ]; then
  echo "Skipping Sharepoint Azure Cognitive Search ingest test because neither AZURE_SEARCH_ENDPOINT nor AZURE_SEARCH_API_KEY env vars are set."
  exit 8
fi

# shellcheck disable=SC1091
source "$SCRIPT_DIR"/cleanup.sh

function cleanup {
  response_code=$(curl -s -o /dev/null -w "%{http_code}" \
    "https://utic-test-ingest-fixtures.search.windows.net/indexes/$DESTINATION_INDEX?api-version=$API_VERSION" \
    --header "api-key: $AZURE_SEARCH_API_KEY" \
    --header 'content-type: application/json')
  if [ "$response_code" == "200" ]; then
    echo "deleting index $DESTINATION_INDEX"
    curl -X DELETE \
      "https://utic-test-ingest-fixtures.search.windows.net/indexes/$DESTINATION_INDEX?api-version=$API_VERSION" \
      --header "api-key: $AZURE_SEARCH_API_KEY" \
      --header 'content-type: application/json'
  else
    echo "Index $DESTINATION_INDEX does not exist, nothing to delete"
  fi

  cleanup_dir "$OUTPUT_DIR"
  cleanup_dir "$WORK_DIR"
  if [ "$CI" == "true" ]; then
    cleanup_dir "$DOWNLOAD_DIR"
  fi
}

trap cleanup EXIT

# Create index
echo "Creating index $DESTINATION_INDEX"
response_code=$(curl -s -o /dev/null -w "%{http_code}" -X PUT \
  "https://utic-test-ingest-fixtures.search.windows.net/indexes/$DESTINATION_INDEX?api-version=$API_VERSION" \
  --header "api-key: $AZURE_SEARCH_API_KEY" \
  --header 'content-type: application/json' \
  --data "@$SCRIPT_DIR/files/azure_cognitive_index_schema.json")

if [ "$response_code" -lt 400 ]; then
  echo "Index creation success: $response_code"
else
  echo "Index creation failure: $response_code"
  exit 1
fi

RUN_SCRIPT=${RUN_SCRIPT:-./unstructured/ingest/main.py}
PYTHONPATH=${PYTHONPATH:-.} "$RUN_SCRIPT" \
  sharepoint \
  --download-dir "$DOWNLOAD_DIR" \
  --metadata-exclude file_directory,metadata.data_source.date_processed,metadata.last_modified,metadata.detection_class_prob,metadata.parent_id,metadata.category_depth \
  --num-processes 2 \
  --strategy hi_res \
  --preserve-downloads \
  --reprocess \
  --output-dir "$OUTPUT_DIR" \
  --verbose \
  --client-cred "$SHAREPOINT_CRED" \
  --client-id "$SHAREPOINT_CLIENT_ID" \
  --site "$SHAREPOINT_SITE" \
  --permissions-application-id "$SHAREPOINT_PERMISSIONS_APP_ID" \
  --permissions-client-cred "$SHAREPOINT_PERMISSIONS_APP_CRED" \
  --permissions-tenant "$SHAREPOINT_PERMISSIONS_TENANT" \
  --path "Shared Documents" \
  --recursive \
  --embedding-provider "langchain-huggingface" \
  --chunking-strategy by_title \
  --chunk-multipage-sections \
  --work-dir "$WORK_DIR" \
  azure-cognitive-search \
  --key "$AZURE_SEARCH_API_KEY" \
  --endpoint "$AZURE_SEARCH_ENDPOINT" \
  --index "$DESTINATION_INDEX"

# It can take some time for the index to catch up with the content that was written, this check between 10s sleeps
# to give it that time process the writes. Will timeout after checking for a minute.
docs_count_remote=0
attempt=1
while [ "$docs_count_remote" -eq 0 ] && [ "$attempt" -lt 6 ]; do
  echo "attempt $attempt: sleeping 10 seconds to let index finish catching up after writes"
  sleep 10

  # Check the contents of the index
  docs_count_remote=$(curl "https://utic-test-ingest-fixtures.search.windows.net/indexes/$DESTINATION_INDEX/docs/\$count?api-version=$API_VERSION" \
    --header "api-key: $AZURE_SEARCH_API_KEY" \
    --header 'content-type: application/json' | jq)

  echo "docs count pulled from Azure: $docs_count_remote"

  attempt=$((attempt + 1))
done

docs_count_local=0
for i in $(jq length "$OUTPUT_DIR"/**/*.json); do
  docs_count_local=$((docs_count_local + i))
done

if [ "$docs_count_remote" -ne "$docs_count_local" ]; then
  echo "Number of docs $docs_count_remote doesn't match the expected docs: $docs_count_local"
  exit 1
fi