#!/usr/bin/env bash

# Description: Compare the structured output files to the expected output files and exit with an error
#              if they are different. If the environment variable OVERWRITE_FIXTURES is not "false", 
#              then this script will instead copy the output files to the expected output directory.
#
# Arguments:
#   - $1: Name of the output folder. This is used to determine the output directory and the expected output directory paths.
#
# Environment Variables:
#   - OVERWRITE_FIXTURES: Controls whether to overwrite fixtures or not. default: "false"

set +e

SCRIPT_DIR=$(dirname "$(realpath "$0")")
OVERWRITE_FIXTURES=${OVERWRITE_FIXTURES:-false}
OUTPUT_FOLDER_NAME=$1
OUTPUT_DIR=$SCRIPT_DIR/structured-output/$OUTPUT_FOLDER_NAME
EXPECTED_OUTPUT_DIR=$SCRIPT_DIR/expected-structured-output/$OUTPUT_FOLDER_NAME

# to update ingest test fixtures, run scripts/ingest-test-fixtures-update.sh on x86_64
if [ "$OVERWRITE_FIXTURES" != "false" ]; then
    # remove folder if it exists
    if [ -d "$EXPECTED_OUTPUT_DIR" ]; then
        rm -rf "$EXPECTED_OUTPUT_DIR"
    fi
    mkdir -p "$EXPECTED_OUTPUT_DIR"
    cp -rf "$OUTPUT_DIR" "$SCRIPT_DIR/expected-structured-output"
elif ! diff -ru "$EXPECTED_OUTPUT_DIR" "$OUTPUT_DIR" ; then
    echo
    echo "There are differences from the previously checked-in structured outputs."
    echo
    echo "If these differences are acceptable, overwrite by the fixtures by setting the env var:"
    echo
    echo "  export OVERWRITE_FIXTURES=true"
    echo
    echo "and then rerun this script."
    echo
    echo "NOTE: You'll likely just want to run scripts/ingest-test-fixtures-update.sh on x86_64 hardware"
    echo "to update fixtures for CI."
    echo
    exit 1
fi