#!/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

}