#!/bin/bash

#

# render_checkConfig.sh -- This function checks/validates variables

# passed from artwork-specific pre-rendering configuration files.

#

# 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 render_checkConfig {

    local BASECOUNT=0

    local POSTCOUNT=0

    local LASTCOUNT=0

    # Re-define action variables in separated array variables. Once

    # verification is done, we remove the BASE, POST, LAST parts from

    # action definition in order to have the plain name of function to

    # call.

    for ACTION in "${ACTIONS[@]}"; do

        # Define base-rendering actions.

        if [[ $ACTION =~ '^BASE:render(Text|Image)$' ]];then

            ACTION=$(render_getConfOption "$ACTION" '2-')

            BASEACTIONS[$BASECOUNT]="$ACTION"

            BASECOUNT=$(($BASECOUNT + 1))

        # Define post-rendering actions.

        elif [[ $ACTION =~ '^POST:' ]];then

            ACTION=$(render_getConfOption "$ACTION" '2-')

            POSTACTIONS[$POSTCOUNT]="$ACTION"

            POSTCOUNT=$(($POSTCOUNT + 1))

        # Define last-rendering actions.

        elif [[ $ACTION =~ '^LAST:' ]];then

            ACTION=$(render_getConfOption "$ACTION" '2-')

            LASTACTIONS[$LASTCOUNT]="$ACTION"

            LASTCOUNT=$(($LASTCOUNT + 1))

        fi

    done

    # Check base-rendering actions. The base-rendering action defines

    # what kind of rendering does centos-art.sh script performs.

    # Presently, we only support image rendering (renderImage) and

    # text rendering (renderText) as base-rendering actions. 

    if [[ ${#BASEACTIONS[*]} -lt 1 ]];then

        cli_printMessage "`gettext "The BASE action is not defined."`"

        cli_printMessage "$(caller)" "AsToKnowMoreLine"

    elif [[ ${#BASEACTIONS[*]} -gt 1 ]];then

        cli_printMessage "`gettext "Just one definition for BASE action is supported."`"

        cli_printMessage "$(caller)" "AsToKnowMoreLine"

    fi

    # Check post-rendering actions. Validation of post-rendering

    # actions is action-specific. So, validation of post-rendering

    # actions is not here, but inside action-specific functions. See

    # render_doIdentityImages and render_doIdentityTexts to see

    # validation of renderImage and renderText post-rendering actions,

    # respectively.

    # Re-define matching list to reduce the amount of empty spaces.

    MATCHINGLIST=$(echo "$MATCHINGLIST" | tr -s '  ' | sed 's!^ !!')

    # Re-define theme model value using repository directory name

    # convenction.

    THEMEMODEL=$(cli_getRepoName "$THEMEMODEL" 'd')

    # Check theme model name.

    if [[ $THEMEMODEL == '' ]] \

        || [[ ! -d "/home/centos/artwork/trunk/Identity/Themes/Models/$THEMEMODEL" ]];then

        cli_printMessage "`eval_gettext "The \\\"\\\$THEMEMODEL\\\" theme model doesn't exist."`"

        cli_printMessage "$(caller)" "AsToKnowMoreLine"

    fi

}