#!/bin/sh
# tmww plugin: db
# whatis: item/mob db lookup (using tmwa-server-data)
# conflicts: -
# depends: -
# recommends: -

# this file is part of tmww - the mana world watcher
# willee, 2012-2014
# GPL v3

# error codes:
# 1 -- parameters error
# 2 -- tool missing
# 3 -- config/database file missing

# check if not run as plugin
if [ "$TMWW_PLUGINS" != "yes" ] ; then
    echo >&2 "This script is tmww plugin and rely heavily on it's facilities."
    exit 1
fi

# when called as plugin - abort if no SERVERPATH was given
if [ -z "${TMWW_SERVERPATH}" ]; then
    error "No serverpath given. Aborting."
    return 1
fi

help_db() {
    cat << EOF
db.plugin - item/mob db lookup (using tmwa-server-data)
Options:
    c       -- no fields captions
    n       -- suppress append id/name to fields query
    r       -- output raw tab-separated fields without pretty-printing
    f EXPR  -- custom "cut -f" expression for db filter

subcommand: item [ OPTS ]  
    get { NAME | [ id | name | db | FIELD+ ] by { id ID | name NAME } }
    show { names | ids | db | FIELD+ } by { ids ID+ | names NAME+ | re REGEXP | itemset ITEMSET }
    mobs by { ids ID+ | names NAME+ | re REGEXP } -- show mobs dropping item/items
subcommand: mob [ OPTS ]  
    get { NAME | [ id | name | db | FIELD+ ] by { id ID | name NAME } }
    show [ names | ids | db | FIELD+ ] by { ids ID+ | names NAME+ | re REGEXP }
    drops { NAME | by { id ID | name NAME } } -- show mob drops
EOF
}

[ "$TMWW_PLUGINHELP" = "yes" ] && help_db && return 0

requireplugin db.lib.sh || return 1

[ "${TMWW_PLUGINEXPORT}" = "yes" ] && return 0

aux_db_opts() {
    while ${GETOPTS} cnrf: opt; do
        case "${opt}" in
            # no fields captions
            c)  db_no_caption="yes" ;;
            # suppress append id/name to fields query
            n)  db_suppress_append="yes" ;;
            # output raw tab-separated fields without pretty-printing
            r)  db_raw_fields="yes" ;;
            # custom "cut -f" expression for db filter
            f)  db_cut_fields="${OPTARG}" ;;
            *)  error_incorrect; return 1 ;;
        esac
    done
}

#
# char
#
#

db_parse_item() {
    local subcommand db_no_caption db_suppress_append db_cut_fields db_raw_fields
    db_no_caption=''; db_suppress_append=''; db_cut_fields=''; db_raw_fields='';
    aux_db_opts "$@"
    shift $( expr $OPTIND - 1 )
    [ -z "$1" ] && { error_missing; return 1; }
    subcommand="$1"; shift
    case "${subcommand}" in
        get)    func_item_get "$@" ;;
        show)   func_item_show "$@" ;;
        mobs)   func_item_mobs "$@" ;;
        *) error_incorrect; return 1; ;;
    esac
}

#
# party
#
#

db_parse_mob() {
    local subcommand db_no_caption db_suppress_append db_cut_fields db_raw_fields
    db_no_caption=''; db_suppress_append=''; db_cut_fields=''; db_raw_fields='';
    aux_db_opts "$@"
    shift $( expr $OPTIND - 1 )
    [ -z "$1" ] && { error_missing; return 1; }
    subcommand="$1"; shift
    case "${subcommand}" in
        get)    func_mob_get "$@" ;;
        show)   func_mob_show "$@" ;;
        drops)  func_mob_drops "$@" ;;
        *) error_incorrect; return 1; ;;
    esac
}

#
# main
#
#

db_main_parser() {
    local subcommand
    OPTIND=1
    [ -z "$1" ] && { error_missing; return 1; }
    subcommand="$1"; shift
    case "${subcommand}" in 
        item)       db_parse_item "$@" ;;
        mob)        db_parse_mob "$@" ;;
        *)          error_incorrect; return 1 ;;
    esac
}

db_main_parser "$@"
[ $err_flag -eq 1 ] && return 1

return 0