#!/bin/bash
set -eu

# shellcheck source=start-utils
. "${SCRIPTS:-/}start-utils"

: "${CF_PAGE_URL:=}"
: "${CF_SLUG:=}"
: "${CF_FILE_ID:=}"
: "${CF_FILENAME_MATCHER:=}"
: "${CF_PARALLEL_DOWNLOADS:=4}"
: "${CF_FORCE_SYNCHRONIZE:=false}"
: "${CF_EXCLUDE_INCLUDE_FILE:=https://raw.githubusercontent.com/itzg/docker-minecraft-server/master/files/cf-exclude-include.json}"
: "${CF_EXCLUDE_MODS:=}"
: "${CF_FORCE_INCLUDE_MODS:=}"
: "${CF_SET_LEVEL_FROM:=}" # --set-level-from
: "${CF_OVERRIDES_SKIP_EXISTING:=false}" # --overrides-skip-existing


resultsFile=/data/.install-curseforge.env

isDebugging && set -x

args=(
  --results-file="$resultsFile"
)
if [[ $CF_PAGE_URL ]]; then
  args+=(--modpack-page-url="$CF_PAGE_URL")
fi
if [[ $CF_FILE_ID ]]; then
  args+=(--file-id="$CF_FILE_ID")
fi
if [[ $CF_SLUG ]]; then
  args+=(--slug="$CF_SLUG")
fi
if [[ $CF_FILENAME_MATCHER ]]; then
  args+=(--filename-matcher="$CF_FILENAME_MATCHER")
fi
if [[ ${CF_SET_LEVEL_FROM} ]]; then
  args+=(--set-level-from="$CF_SET_LEVEL_FROM")
fi
args+=(
  --parallel-downloads="$CF_PARALLEL_DOWNLOADS"
  --force-synchronize="$CF_FORCE_SYNCHRONIZE"
  --overrides-skip-existing="$CF_OVERRIDES_SKIP_EXISTING"
)

if [[ $CF_EXCLUDE_MODS || $CF_FORCE_INCLUDE_MODS ]]; then
  if [[ $CF_EXCLUDE_MODS ]]; then
    args+=( --exclude-mods="$CF_EXCLUDE_MODS" )
  fi
  if [[ $CF_FORCE_INCLUDE_MODS ]]; then
    args+=( --force-include-mods="$CF_FORCE_INCLUDE_MODS" )
  fi
else
  if [[ $CF_EXCLUDE_INCLUDE_FILE ]]; then
    args+=( --exclude-include-file="$CF_EXCLUDE_INCLUDE_FILE" )
  fi
fi

if ! mc-image-helper install-curseforge "${args[@]}"; then
    log "ERROR failed to auto-install CurseForge modpack"
    exit 1
fi

# grab SERVER, FAMILY and export it
set -a
# shellcheck disable=SC1090
source "${resultsFile}"
set +a

exec "${SCRIPTS:-/}start-setupWorld" "$@"