#!/bin/bash

#

# cli_printMessage.sh -- This function outputs information in

# predifined formats to standard error. This function is the standard

# way to output information inside centos-art.sh script.

#

# Copyright (C) 2009-2011 Alain Reguera Delgado

# 

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License as

# published by the Free Software Foundation; either version 2 of the

# License, or (at your option) any later version.

# 

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function cli_printMessage {

    # Verify `--quiet' option.

    if [[ "$FLAG_QUIET" == 'true' ]];then

        return

    fi

    local MESSAGE="$1"

    local FORMAT="$2"

    # Reduce paths inside output messages. The main purpose for

    # this is to free horizontal space in output messages.

    MESSAGE=$(echo "$MESSAGE" \

        | sed -r "s!${HOME}/artwork/(trunk|branches|tags)/!\1/!g")

    # Remove blank spaces from lines' begining.

    MESSAGE=$(echo "$MESSAGE" | sed -r 's!^[[:space:]]+!!')

    # Define message formats.

    case $FORMAT in

    'AsUpdatingLine' )

        cli_printMessage "`gettext "Updating"`: $MESSAGE"

        ;;

    'AsDeletingLine' )

        cli_printMessage "`gettext "Deleting"`: $MESSAGE"

        ;;

    'AsCheckingLine' )

        cli_printMessage "`gettext "Checking"`: $MESSAGE"

        ;;

    'AsCreatingLine' )

        cli_printMessage "`gettext "Creating"`: $MESSAGE"

        ;;

    'AsReadingLine' )

        cli_printMessage "`gettext "Reading"`: $MESSAGE"

        ;;

    'AsSavedAsLine' )

        cli_printMessage "`gettext "Saved as"`: $MESSAGE"

        ;;

    'AsLinkToLine' )

        cli_printMessage "`gettext "Linked to"`: $MESSAGE"

        ;;

    'AsMovedToLine' )

        cli_printMessage "`gettext "Moved to"`: $MESSAGE"

        ;;

    'AsTranslationLine' )

        cli_printMessage "`gettext "Translation"`: $MESSAGE"

        ;;

    'AsDesignLine' )

        cli_printMessage "`gettext "Design"`: $MESSAGE"

        ;;

    'AsConfigurationLine' )

        cli_printMessage "`gettext "Configuration"`: $MESSAGE"

        ;;

    'AsPaletteLine' )

        cli_printMessage "`gettext "Palette"`: $MESSAGE"

        ;;

    'AsResponseLine' )

        cli_printMessage "--> $MESSAGE"

        ;;

    'AsRequestLine' )

        cli_printMessage "${MESSAGE}: " 'AsNoTrailingNewLine'

        ;;

    'AsErrorLine' )

        # This option is used to print error messsages.

        echo "${CLI_PROGRAM}: ${MESSAGE}" > /dev/stderr

        ;;

    'AsToKnowMoreLine' )

        # This option receives the output of bash's caller built-in as

        # message value and produces the documentation entry from it.

        MESSAGE=$(dirname "$(echo $MESSAGE | cut -d ' ' -f2-)")

        cli_printMessage '-' 'AsSeparatorLine'

        cli_printMessage "`gettext "To know more, run the following command"`:"

        cli_printMessage "centos-art manual --read='$MESSAGE'"

        cli_printMessage '-' 'AsSeparatorLine'

        exit # <-- ATTENTION: Do not remove this line. We use this

             #                option as convenction to end script

             #                execution.

        ;;

    'AsYesOrNoRequestLine' )

        # Define positive answer.

        local Y="`gettext "yes"`"

        # Define negative answer.

        local N="`gettext "no"`"

        # Define default answer.

        local ANSWER=${FLAG_ANSWER}

        if [[ $ANSWER == 'false' ]];then

            # Print the question.

            cli_printMessage "$MESSAGE [${Y}/${N}]: " 'AsNoTrailingNewLine'

            # Redefine default answer based on user's input.

            read ANSWER

        fi

        # Verify user's answer. Only positive answer let the script

        # flow to continue. Otherwise, if something different from

        # possitive answer is passed, the script terminates its

        # execution immediatly.

        if [[ ! ${ANSWER} =~ "^${Y}" ]];then

            exit

        fi

        ;;

    'AsSeparatorLine' )

        # Define separator width.

        local MAX=70

        # Draw separator.

        until [[ $MAX -eq 0 ]];do

            printf "${MESSAGE}" > /dev/stderr

            MAX=$(($MAX - 1))

        done

        # Output newline to end separator.

        echo "" > /dev/stderr

        ;;

    'AsNoTrailingNewLine' )

        printf "$MESSAGE" > /dev/stderr

        ;;

    'AsRegularLine' | * )

        echo "$MESSAGE" \

            | awk 'BEGIN { FS=": " }

                    { 

                    if ( $0 ~ /^-+$/ ) 

                        print $0

                    else

                        printf "%-15s\t%s\n", $1, $2 

                    }

                    END {}' > /dev/stderr

        ;;

    esac

}