#!/usr/bin/env bash

# exit if a command fails
set -o errexit

# exit if required variables are not set
set -o nounset

# check for dependencies
script_commands="docker"
missing_counter=0
for needed_command in ${script_commands}; do
  if ! hash "${needed_command}" >/dev/null 2>&1; then
    printf "Command not found in PATH: %s\n" "${needed_command}" >&2
    ((missing_counter++))
  fi
done
if ((missing_counter > 0)); then
  printf "Minimum %d commands are missing in PATH, aborting.\n" "${missing_counter}" >&2
  exit 1
fi

# user to run as (should be able to write to the output directory)
build_user="www-data"

# input directory
input_directory="/storage/photos/photography"

# theme directory
theme_directory="/storage/photos/theme-flow"

# output directory
output_directory="/var/www/html/pics.seedno.de"

# gallery title
gallery_title="Seednode's Photos"

# run docker container
docker run -i --rm \
-v "${input_directory}":/input:ro \
-v "${theme_directory}":/theme:ro \
-v "${output_directory}":/output \
-u "$(id -u "${build_user}")":"$(id -g "${build_user}")" \
thumbsupgallery/thumbsup thumbsup \
--input /input \
--output /output \
--theme-path /theme \
--title "${gallery_title}" \
--thumb-size "512" \
--large-size "4096" \
--photo-download "copy" \
--photo-preview "resize" \
--sort-albums-by "title" \
--sort-albums-direction "asc" \
--sort-media-by "date" \
--sort-media-direction "asc" \
--include-raw-photos true \
--cleanup true \
--embed-exif true \
--usage-stats false