help

#!/usr/bin/env bash

ROOT_DIR=`dirname "$(perl -e 'use Cwd "abs_path"; print abs_path(shift)' $0)"`
CLI_ENTRYPOINT=`basename "$1"`

. "$ROOT_DIR/utils"

# If we don't have any additional help arguments, then show the app's
# header as well.
if [ $# == 0 ]; then
    bcli_show_header "$ROOT_DIR/app"
fi

# Locate the correct level to display the helpfile for, either a directory
# with no further arguments, or a command file.
HELP_FILE="$ROOT_DIR/app"
HELP_ARG_START=2
while [[ -d "$HELP_FILE" && $HELP_ARG_START -le $# ]]; do
    HELP_FILE="$HELP_FILE/${!HELP_ARG_START}"
    HELP_ARG_START=$(($HELP_ARG_START+1))
done

# If we've got a directory's helpfile to show, then print out the list of
# commands in that directory along with its help content.
if [[ -d "$HELP_FILE" ]]; then
    echo -e "${COLOR_GREEN}$CLI_ENTRYPOINT ${COLOR_CYAN}${@:2:$(($HELP_ARG_START-1))} ${COLOR_NORMAL}"

    # If there's a help file available for this directory, then show it.
    if [[ -f "$HELP_FILE/.help" ]]; then
        cat "$HELP_FILE/.help"
        echo ""
    fi

    echo ""
    echo -e "${COLOR_MAGENTA}Commands${COLOR_NORMAL}"
    echo ""

    for file in $HELP_FILE/*; do
        cmd=`basename "$file"`

        # Don't show hidden files as available commands
        if [[ "$cmd" != .* && "$cmd" != *.usage && "$cmd" != *.help ]]; then
            echo -en "${COLOR_GREEN}$CLI_ENTRYPOINT ${COLOR_CYAN}${@:2:$(($HELP_ARG_START-1))} $cmd ${COLOR_NORMAL}"

            if [[ -f "$file.usage" ]]; then
                bcli_trim_whitespace "$(cat "$file.usage")"
                echo ""
            elif [[ -d "$file" ]]; then
                echo -e "${COLOR_MAGENTA}...${COLOR_NORMAL}"
            else
                echo ""
            fi
        fi
    done

    exit 0
fi

echo -en "${COLOR_GREEN}$CLI_ENTRYPOINT ${COLOR_CYAN}${@:2:$(($HELP_ARG_START-1))} ${COLOR_NORMAL}"
if [[ -f "$HELP_FILE.usage" ]]; then
    bcli_trim_whitespace "$(cat "$HELP_FILE.usage")"
    echo ""
else
    echo ""
fi


if [[ -f "$HELP_FILE.help" ]]; then
    cat "$HELP_FILE.help"
    echo ""
fi