#!/bin/bash
# shellcheck source=kzcommon.sh
# ##############################################################################
# Webbestanden valideren.
#
# Geschreven door Karel Zimmer <info@karelzimmer.nl>.
#
# Auteursrecht © 2012-2020 Karel Zimmer.
# GNU Algemene Publieke Licentie v3 <https://www.gnu.org/licenses/gpl.html>.
# ##############################################################################
# REL_NUM=11.00.15
# REL_DAT=2020-10-15
# REL_MSG="Ontkenning in 'if' verplaatst"

# ##############################################################################
# Settings
# ##############################################################################
source "$(dirname "$0")"/kzcommon.sh

# ------------------------------------------------------------------------------
# Global constants
# ------------------------------------------------------------------------------
readonly CSS_DIR=$HOME/uploads/karelzimmer.nl/httpdocs/css
readonly HTML_DIR=$HOME/uploads/karelzimmer.nl/httpdocs/html

readonly HOME_URL=https://karelzimmer.nl
readonly CSS_URL=$HOME_URL/css
readonly HTML_URL=$HOME_URL/html

readonly CSS_VALIDATOR_URL='http://jigsaw.w3.org/css-validator/validator?uri='
readonly HTML_VALIDATOR_URL='http://validator.w3.org/check?uri='

# Bij aanpassingen ook .completion aanpassen!
readonly OPTIONS_SHORT=$OPTIONS_SHORT_COMMON
readonly OPTIONS_LONG=$OPTIONS_LONG_COMMON
readonly USAGE="Gebruik: $PROGNAME $OPTIONS_USAGE_COMMON

$OPTIONS_LONG_SHORT"
readonly HELP="Gebruik: $PROGNAME [OPTIE...]

Webbestanden valideren.

Opties:
  $OPTIONS_LONG_SHORT

$OPTIONS_HELP_COMMON"

# ------------------------------------------------------------------------------
# Global variables
# ------------------------------------------------------------------------------

# ##############################################################################
# Functions
# ##############################################################################
check_input() {
    local -i getopt_rc=0
    local parsed=''

    set +o errexit
    parsed=$(
        getopt  --alternative                       \
                --options       "$OPTIONS_SHORT"    \
                --longoptions   "$OPTIONS_LONG"     \
                --name          "$PROGNAME"         \
                -- "$@"
        )
    getopt_rc=$?
    set -o errexit
    if [[ $getopt_rc -ne 0 ]]; then
        printf '%s\n' "$USAGELINE" >&2
        QUIET=true exit $ERROR
    fi
    eval set -- "$parsed"
    process_general_options "$@"

    while true; do
        case $1 in
            --)
                shift
                break
                ;;
            *)
                shift
                ;;
        esac
    done

    if [[ "$*" ]]; then
        printf "$PROGNAME: %s\n%s\n" 'geen argumenten opgeven' "$USAGELINE" >&2
        QUIET=true exit $ERROR
    fi

    # Als tui-script gestart zoals een gui-script.
    if $OPTION_GUI; then
        OPTION_GUI=false
        TERMINAL=true
    fi

    check_user
}

process_input() {
    local dir=''

    for dir in "$CSS_DIR" "$HTML_DIR"; do
        if ! [[ -d $dir ]]; then
            printf '%s\n' "Map '$dir' bestaat niet." >&2
            QUIET=true exit $ERROR
        fi
    done

    if ! pgrep 'chrome' &> /dev/null; then
        warning 'Google Chrome webrowser is nog niet gestart,
start nu eerst de Google Chrome webrowser.'
        read -rp "Druk op Enter-toets wanneer Google Chrome webrowser is \
gestart [Enter]: " < /dev/tty
        if ! pgrep 'chrome' &> /dev/null; then
            error 'Google Chrome webrowser is niet gestart.'
            QUIET=true exit $ERROR
        fi
    fi

    validate_css
    validate_html
}

validate_css() {
    local filename=''

    cd "$CSS_DIR"

    for filename in *.css; do
        google-chrome "$CSS_VALIDATOR_URL$CSS_URL/$filename" |& $LOGCMD
    done
}

validate_html() {
    local filename=''

    cd "$HTML_DIR"

    for filename in *.html; do
        google-chrome "$HTML_VALIDATOR_URL$HTML_URL/$filename" |& $LOGCMD
    done
}

term_script() {
    info 'Controleer de tabbladen in Google Chrome.'
    QUIET=true exit $SUCCESS
}

process_script() {
    check_input "$@"
    process_input
}

# ##############################################################################
# Main line
# ##############################################################################
main() {
    init_script
    process_script "$@"
    term_script
}

main "$@"

# EOF