#!/usr/bin/env bash

### BEGIN ###
# Author: idevz
# Since: 09:39:31 2019/10/20
# Description:       this is a lego version for runX
# runX          o
#
# Environment variables that control this script:
#
### END ###

set -e
LEGO_ROOT=$(dirname $(cd $(dirname "$0") && pwd -P)/$(basename "$0"))
CMD_CACHE="${HOME}/.lego/cmds.cache"
LEGO_RC="${HOME}/.lego/legorc"
[ -f "${LEGO_RC}" ] && source "${LEGO_RC}"

# must source to current action scope
source ${LEGO_ROOT}/lego/legoes/base.sh && lego::base::load_common || exit 1
source ${LEGO_ROOT}/lego/legoes/helpers.sh

module_name=${1}
shift

case ${module_name} in
h | -h | --help)
    echo "
Usage:

        o [module_name] [funcs] [params]
        eg. o pvm deploy::\${func?}
            o pvm dosomething
"
    ;;
l_status)
    echo "
    The current version of Your Lego is: v0.1;
    and LEGO_ROOT is ${LEGO_ROOT}.
    "
    ;;
ac | auto_complete)
    [[ -f "${CMD_CACHE}" ]] && rm -f "${CMD_CACHE}"
    echo 'Available commands:'
    lego::base::find_command "$LEGO_ROOT" "true"
    lego::base::find_command "$LEGO_ROOT/vendor" "true"
    cat <<CMDS >>"${CMD_CACHE}"
h
help
l_status
l
list
CMDS
    exit 0
    ;;
l | -l | --list)
    echo 'Available commands:'
    lego::base::find_command "$LEGO_ROOT" "false" "${1}"
    lego::base::find_command "$LEGO_ROOT/vendor" "false" "${1}"
    exit 0
    ;;
*)
    # calling lego's default ablity functions
    if [ "$(lego::base::fn_exists "${module_name}")" != 'false' ]; then
        ${module_name} "$@" && exit 0
    fi

    # if there is a '::' in ${1}, then this call a function, like o pvm deploy::${func?}
    # if not, then its calling a export ablity from each 'helper.sh', like o pvm dosomething
    if [ "$(lego::base::has_str "${1}" "::")" = 'false' ]; then
        func_name=${1}
        shift
        func_shell="${module_name}/legoes/helpers.sh"
    else
        func_name="${module_name}::${1}"
        shift
        func_shell="$(lego::base::fn_shell "${func_name}")"
    fi

    lego_shell="${LEGO_ROOT}/${func_shell}"
    vendor_lego_shell="${LEGO_ROOT}/vendor/${func_shell}"

    [ -f "${lego_shell}" ] && source "${lego_shell}"
    [ -f "${vendor_lego_shell}" ] && source "${vendor_lego_shell}"

    if [ "$(lego::base::fn_exists "${func_name}")" != 'false' ]; then
        ${func_name} "$@" && exit 0
    else
        echo "none function ${func_name} found."
        exit 1
    fi
    ;;
esac