#!/bin/bash
set -eu

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

resultsFile=/data/.install-modrinth.env

: "${MODRINTH_MODPACK:=${MODRINTH_PROJECT:-}}"
: "${MODRINTH_LOADER:=}"
: "${MODRINTH_VERSION:=${MODRINTH_VERSION_ID:-}}"
: "${MODRINTH_IGNORE_MISSING_FILES:=}"
: "${MODRINTH_EXCLUDE_FILES:=}"

if [[ ! $MODRINTH_MODPACK ]]; then
  log "ERROR: MODRINTH_MODPACK must be set when using TYPE/MOD_PLATFORM of MODRINTH"
  exit 1
fi

isDebugging && set -x

ensureRemoveAllModsOff "MOD_PLATFORM=MODRINTH"

args=(
  --results-file="$resultsFile"
  --project="${MODRINTH_MODPACK}"
  --output-directory=/data
)

if [[ $MODRINTH_IGNORE_MISSING_FILES ]]; then
  args+=(--ignore-missing-files "$MODRINTH_IGNORE_MISSING_FILES")
fi

case "${VERSION^^}" in
  LATEST)
    : "${MODRINTH_DEFAULT_VERSION_TYPE:=release}"
    ;;
  SNAPSHOT)
    : "${MODRINTH_DEFAULT_VERSION_TYPE:=beta}"
    ;;
  *)
    : "${MODRINTH_DEFAULT_VERSION_TYPE:=release}"
    args+=("--game-version=$VERSION")
    ;;
esac

setArg() {
  arg="${1?}"
  var="${2?}"

  if [[ ${!var} ]]; then
      args+=("${arg}=${!var}")
  fi
}
setArg --loader MODRINTH_LOADER
setArg --version MODRINTH_VERSION
setArg --default-version-type MODRINTH_DEFAULT_VERSION_TYPE
setArg --exclude-files MODRINTH_EXCLUDE_FILES

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

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

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