#!/bin/bash

######################################################################

#

#   tcar - The CentOS Artwork Repository automation tool.

#   Copyright © 2014 The CentOS Artwork SIG

#

#   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., 675 Mass Ave, Cambridge, MA 02139, USA.

#

#   Alain Reguera Delgado <al@centos.org.cu>

#   39 Street No. 4426 Cienfuegos, Cuba.

#

######################################################################

# Initialize processing of configuration files when the argument

# passed in the command-line points to a regular file or symbolic

# link.

function files {

    local CONFIGURATION=$(tcar_checkWorkDirSource "${1}")

    local -a SECTIONS

    local SECTION=''

    # Define motif-specific environment variables, based on

    # configuration file path. These variables might save

    # configuration file writers from typing motif-specific

    # information when they produce motif-specific content. These

    # variables will be empty if the configuration file isn't inside

    # a motif-specific directory structure.

    local MOTIF=$(tcar_getPathComponent ${CONFIGURATION} --motif)

    local MOTIF_NAME=$(tcar_getPathComponent ${CONFIGURATION} --motif-name)

    local MOTIF_VERSION=$(tcar_getPathComponent ${CONFIGURATION} --motif-version)

    # Use arrays to store section names. This make possible to make

    # use of post-rendition and last-rendition concepts. Otherwise it

    # would be difficult to predict information about sections inside

    # deeper environments.

    for SECTION in $(tcar_getConfigSectionNames "${CONFIGURATION}" \

        | egrep ${TCAR_FLAG_FILTER});do

        SECTIONS[++${#SECTIONS[*]}]="${SECTION}"

    done

    # Verify the configuration file has one section entry at least.

    if [[ ${#SECTIONS[*]} -eq 0 ]];then

        tcar_printMessage "`eval_gettext "No section definition was found in \\\$CONFIGURATION."`" --as-error-line

    fi

    local COUNTER=0

    while [[ ${COUNTER} -lt ${#SECTIONS[*]} ]];do

        # Initialize array variables locally.

        local -a TRANSLATIONS

        local -a SOURCES

        SECTION=${SECTIONS[${COUNTER}]}

        if [[ ${SECTION} =~ "^/" ]];then

            RENDER_TARGET=${SECTION}

        else

            RENDER_TARGET=$(dirname ${CONFIGURATION})/Final/${TCAR_SCRIPT_LANG_LC}/${SECTION}

        fi

        RENDER_TYPE=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "render-type")

        if [[ -z ${RENDER_TYPE} ]];then

            tcar_printMessage "${CONFIGURATION} `gettext "hasn't render-type set in."`" --as-error-line

        fi

        RENDER_FROM=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "render-from")

        if [[ -z ${RENDER_TYPE} ]];then

            tcar_printMessage "${CONFIGURATION} `gettext "hasn't render-from set in."`" --as-error-line

        fi

        for SOURCE in ${RENDER_FROM};do

            if [[ ${SOURCE} =~ "^/" ]];then

                SOURCES[++${#SOURCES[*]}]=${SOURCE}

            else

                SOURCES[++${#SOURCES[*]}]=$(dirname ${CONFIGURATION})/${SOURCE}

            fi

        done

        if [[ -z ${RENDER_TYPE} ]];then

           RENDER_TYPE=$(echo ${SOURCES[0]} | sed -r 's/.+\.([[:alpha:]]+)$/\1/') 

        fi

        LOCALE_FROM=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "locale-from")

        if [[ -z ${LOCALE_FROM} ]] || [[ ${LOCALE_FROM} == 'no-locale' ]] ;then

            RENDER_FLAG_NO_LOCALE='true'

            RENDER_TARGET=$(echo ${RENDER_TARGET} | sed "s,${TCAR_SCRIPT_LANG_LC}/,,")

        else

            for TRANSLATION in ${LOCALE_FROM};do

                if [[ ${TRANSLATION} =~ "^/" ]];then

                    TRANSLATIONS[++${#TRANSLATIONS[*]}]=${TRANSLATION}

                else

                    TRANSLATIONS[++${#TRANSLATIONS[*]}]=$(dirname ${CONFIGURATION})/${TRANSLATION}

                fi

            done

        fi

        # Execute module for processing type-specific files.

        tcar_setModuleEnvironment -m "${RENDER_TYPE}" -t "child"

        # Increment section's counter.

        COUNTER=$(( ${COUNTER} + 1 ))

        # Reset array variable to avoid undesired concatenations

        # between sections blocks.

        unset TRANSLATIONS

        unset SOURCES

    done

    # Reset array variables and their counters to avoid undesired

    # concatenations between configuration files.

    unset COUNTER

    unset SECTIONS

    # Tuneup final files.

    tcar_setModuleEnvironment -m 'tuneup' -t 'parent' -g $(dirname ${RENDER_TARGET})

}