asdf

#!/usr/bin/env bash

# shellcheck source=lib/utils.bash
. "$(dirname "$(dirname "$0")")/lib/utils.bash"

find_cmd() {
  local cmd_dir="$1"
  shift

  local cmd_name
  local args_offset="$#"
  cmd_name="command-$(tr ' ' '-' <<<"${@:1:${args_offset}}").bash"
  while [ ! -f "$cmd_dir/$cmd_name" ] && [ "$args_offset" -gt 0 ]; do
    args_offset=$((args_offset - 1))
    cmd_name="command-$(tr ' ' '-' <<<"${@:1:${args_offset}}").bash"
  done

  if [ -f "$cmd_dir/$cmd_name" ]; then
    printf "%s %s\\n" "$cmd_dir/$cmd_name" "$((args_offset + 1))"
  elif [ -f "$cmd_dir/command.bash" ]; then
    printf "%s %s\\n" "$cmd_dir/command.bash" 1
  fi
}

find_asdf_cmd() {
  local asdf_cmd_dir
  asdf_cmd_dir="$(asdf_dir)/lib/commands"
  case "$1" in
  'exec' | 'current' | 'env' | 'global' | 'install' | 'latest' | 'local' | \
    'reshim' | 'uninstall' | 'update' | 'where' | 'which' | \
    'export-shell-version')
    printf "%s %s\\n" "$asdf_cmd_dir/command-$1.bash" 2
    ;;

  '' | '--help' | '-h' | 'help')
    printf "%s %s\\n" "$asdf_cmd_dir/command-help.bash" 2
    ;;

  '--version' | 'version')
    printf "%s %s\\n" "$asdf_cmd_dir/command-version.bash" 2
    ;;

  *)
    find_cmd "$asdf_cmd_dir" "$@"
    ;;
  esac
}

find_plugin_cmd() {
  local ASDF_CMD_FILE args_offset
  if [ -d "$(get_plugin_path "$1")/bin" ]; then
    IFS=' ' read -r ASDF_CMD_FILE args_offset <<<"$(find_cmd "$(get_plugin_path "$1")/lib/commands" "${@:2}")"
    if [ -n "$ASDF_CMD_FILE" ]; then
      args_offset=$((args_offset + 1)) # since the first argument is the plugin name
      printf "%s %s\\n" "$ASDF_CMD_FILE" "$args_offset"
    fi
  fi
}

asdf_cmd() {
  local ASDF_CMD_FILE args_offset

  if [ "shell" == "$1" ]; then
    printf "Shell integration is not enabled. Please ensure you source asdf in your shell setup." >&2
    exit 1
  fi

  IFS=' ' read -r ASDF_CMD_FILE args_offset <<<"$(find_asdf_cmd "$@")"
  if [ -z "$ASDF_CMD_FILE" ]; then
    IFS=' ' read -r ASDF_CMD_FILE args_offset <<<"$(find_plugin_cmd "$@")"
  fi

  if [ -x "$ASDF_CMD_FILE" ]; then
    exec "$ASDF_CMD_FILE" "${@:${args_offset}}"
  elif [ -f "$ASDF_CMD_FILE" ]; then
    set -- "${@:${args_offset}}"
    . "$ASDF_CMD_FILE"
  else
    local asdf_cmd_dir
    asdf_cmd_dir="$(asdf_dir)/lib/commands"
    printf "%s\\n" "Unknown command: \`asdf ${*}\`" >&2
    . "$asdf_cmd_dir/command-help.bash" >&2
    return 127
  fi
}

asdf_cmd "$@"