#!/bin/bash

PATH=/usr/lib64/ccache:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/root/bin
WPCLIFLAGS="--allow-root --require=/bigscoots/includes/err_report.php"
WP_PATH="$1"
DEBUG_LOG_DIR="/root/.bigscoots/wpcron"
DOMAIN=$(basename $(dirname $WP_PATH))

source /bigscoots/includes/common.sh
source /bigscoots/wpo/extras/bigscoots.menu

if [[ "$*" == *"--stagger"* ]] && [[ "$*" != *"--debug"* ]]; then
    # Stagger up to 4 minutes (240s) for a 5-min cron interval
    sleep $(( RANDOM % 240 ))
fi

# Check if the script was called with --debug
if [[ "$2" == "--debug" ]]
then
    DEBUG=true
    EPOCHTIME=$(date +%s)
    DEBUG_LOG="$DEBUG_LOG_DIR/$DOMAIN/$EPOCHTIME.log"
    mkdir -p "$(dirname "$DEBUG_LOG")"
    exec > >(tee -a "$DEBUG_LOG")
    exec 2>&1
else
    DEBUG=false
    # Redirect all output (stdout and stderr) to /dev/null
    exec > /dev/null 2>&1
fi

# Define the PHP config file pattern
PHP_CONFIG_PATTERN="/usr/local/nginx/conf/php.*.conf"

# Define the PHP binary directory
PHP_BINARY_DIR="/opt/remi"

# Initialize WPCLI variable
WPCLI=""

# Initialize an array to store PHP versions found
PHP_VERSIONS=()

# Extract PHP versions from PHP config files
while IFS= read -r line
do
    # Extract the PHP version from the config file path
    version=$(echo "$line" | grep -oP 'php\d+' | cut -c 4-)
    # Add the version to the array if found
    if [ -n "$version" ]
    then
        PHP_VERSIONS+=("$version")
    fi
done < <(grep "$PHP_CONFIG_PATTERN" /usr/local/nginx/conf/conf.d/"$DOMAIN".ssl.conf | awk '!/^[[:space:]]*#.*/ && !/#.*include/' | grep -o "$PHP_CONFIG_PATTERN")

# Check if any PHP version was found
if [ "${#PHP_VERSIONS[@]}" -eq 0 ]
then
    # If no PHP version found, set WPCLI to default
    WPCLI="/usr/bin/wp"
# Check if all PHP versions are the same
elif [ "$(printf "%s\n" "${PHP_VERSIONS[@]}" | sort -u | wc -l)" -eq 1 ]
then
    # Extract the common PHP version
    PHP_VERSION="${PHP_VERSIONS[0]}"
    # Set the WPCLI variable
    WPCLI="${PHP_BINARY_DIR}/php${PHP_VERSION}/root/usr/bin/php /usr/bin/wp"
else
    OUTPUT=$(grep "$PHP_CONFIG_PATTERN" /usr/local/nginx/conf/conf.d/"$DOMAIN".ssl.conf | awk '!/^[[:space:]]*#.*/ && !/#.*include/' | grep -o "$PHP_CONFIG_PATTERN")
    send_slack_alert "#wpo-alerts" ":fire:" "WP CRON: Multiple PHP Versions found." "$DOMAIN" "\`\`\`$OUTPUT\`\`\`"
    exit 1
fi

[ $(stat -c "%a" /bin/wp) == "755" ] || chmod 755 /bin/wp

if wp core is-installed --network --path=${WP_PATH} ${WPCLIFLAGS} 2>/dev/null
then
    WPMULTISITE=1
fi

send_slack=true

# Execute the WordPress cron job and capture output
if [[ "$WPMULTISITE" == 1 ]]
then
    if ! cron_output=$(su -s /bin/bash -l nginx -c "${WPCLI} ${WPCLIFLAGS} site list --field=url --path=${WP_PATH} 2>/dev/null | xargs -i -n1 ${WPCLI} ${WPCLIFLAGS} cron event run --due-now --url={} --path=${WP_PATH} 2>/dev/null")
    then
        cleaned_cron_output=$(echo "$cron_output" | grep -E 'PHP (Warning|Fatal) error' | sed -e 's/<[^>]*>//g' -e 's/PHP //' -e 's/^ *//' -e 's/"/\\"/g')

        if [ -z "$cleaned_cron_output" ] && [ "$send_slack" == true ] && [[ $cleaned_cron_output == *"Fatal"* || $cleaned_cron_output == *"Parse"* ]]
        then
        	cleaned_cron_output=$cron_output
        	send_slack_alert "#wpo-alerts" ":warning:" "WP CRON: Failed to execute cron" "$DOMAIN" "\`\`\`$cleaned_cron_output\`\`\`"
        fi
    elif [[ $DEBUG == true ]]
    then
        echo "$cron_output" >> "$DEBUG_LOG"
    fi
else
    if ! cron_output=$(su -s /bin/bash -l nginx -c "${WPCLI} ${WPCLIFLAGS} cron event run --due-now --path=${WP_PATH} 2>/dev/null")
    then
        cleaned_cron_output=$(echo "$cron_output" | grep -E 'PHP (Fatal|Parse) error' | sed -e 's/<[^>]*>//g' -e 's/PHP //' -e 's/^ *//' -e 's/"/\\"/g')

        if [ -z "$cleaned_cron_output" ] && [ "$send_slack" == true ] && [[ $cleaned_cron_output == *"Fatal"* || $cleaned_cron_output == *"Parse"* ]]
        then
        	cleaned_cron_output=$cron_output
        	send_slack_alert "#wpo-alerts" ":warning:" "WP CRON: Failed to execute cron" "$DOMAIN" "\`\`\`$cleaned_cron_output\`\`\`"
        fi
		elif [[ $DEBUG == true ]]
    then
        	echo "$cron_output" >> "$DEBUG_LOG"
    fi
fi

rm -f "/tmp/wp-cron-${DOMAIN}.lock"