#!/bin/bash

TARGET_HOST="bs-site"
TARGET_DIR="/var/www/files.bookstackapp.com/vendor"

# Ensure the current working dir is a BookStack install
if [ ! -f "version" ] || [ ! -f "composer.lock" ]; then
    echo "Error: Are you in a BookStack install directory? Could not find version or compose.lock files"
    exit 1
fi

# Get the version from file and trim whitespace
VERSION=$(cat version | tr -d '[:space:]')
if [[ $VERSION != v* ]]; then
    echo "Error: Found version ($VERSION) does not appear to be valid"
    exit 1
fi

echo "Rebuilding vendor directory..."
rm -rf "vendor"
composer install --no-dev

echo "Creating ${ZIP_FILENAME}..."
ZIP_FILENAME="${VERSION}.zip"
zip -r "${ZIP_FILENAME}" vendor/
if [ ! -f "${ZIP_FILENAME}" ]; then
    echo "Error: Failed to create ZIP file"
    exit 1
fi

echo "Checking if ZIP already exists on server..."
if ssh "${TARGET_HOST}" "test -e ${TARGET_DIR}/${ZIP_FILENAME}"; then
    echo "Error: ZIP file already exists at ${TARGET_DIR}/${ZIP_FILENAME}"
    exit 1
fi

echo "Saving SHA-256 checksum of ZIP to dev/checksums/vendor file..."
ZIP_SHA=$(sha256sum "${ZIP_FILENAME}" | cut -d ' ' -f 1)
echo -n "$ZIP_SHA" > dev/checksums/vendor

echo "Uploading ${ZIP_FILENAME} to server..."
scp "${ZIP_FILENAME}" "${TARGET_HOST}:${TARGET_DIR}/${ZIP_FILENAME}"
UPLOAD_RESULT="$?"
if [ $UPLOAD_RESULT -ne 0 ]; then
    #statements
    echo "Error: Upload via scp failed with error code ${UPLOAD_RESULT}"
    exit 1
fi

echo "Vendor ZIP creation and update complete!"
echo "File stored at: https://files.bookstackapp.com/vendor/${ZIP_FILENAME}"
echo "File sha256: ${ZIP_SHA}"