#!/usr/bin/with-contenv bash
# shellcheck shell=bash

# create directory structure
mkdir -p \
    /config/www/{uploads,files,images,themes} \
    /config/www/framework/{cache,sessions,views,purifier} \
    /config/backups \
    /config/log/bookstack

if [[ ! -f /tmp/dbwait.lock ]];then
    rm -rf /config/www/framework/{cache,sessions,views,purifier}/*
fi

# check for .env and copy default if needed
if [[ ! -f "/config/www/.env" ]] || [[ ! -s "/config/www/.env" ]]; then
    cp /app/www/.env.example /config/www/.env
fi

# Check for app key
if [[ -z ${APP_KEY} ]]; then
    if ! grep -qE "APP_KEY=[0-9A-Za-z:+\/=]{1,}" /config/www/.env 2> /dev/null || grep -qE "APP_KEY=SomeRandomString" /config/www/.env 2> /dev/null; then
        echo "The application key is missing, halting init!"
        echo "You can generate a key with: docker run -it --rm --entrypoint /bin/bash lscr.io/linuxserver/bookstack:latest appkey"
        echo "And apply it to the APP_KEY environment variable."
        sleep infinity
    fi
fi

## Bump php upload max filesize and post max size to 100MB by default
if ! grep -qx '^upload_max_filesize.*$' /config/php/php-local.ini; then
    echo 'upload_max_filesize = 100M' >>/config/php/php-local.ini
fi
if ! grep -qx '^post_max_size.*$' /config/php/php-local.ini; then
    echo 'post_max_size = 100M' >>/config/php/php-local.ini
fi

# if DB_PORT is not set
if [[ -z "${DB_PORT}" ]]; then
    DB_PORT="3306"
fi

# check for the mysql endpoint
echo "Waiting for DB to be available"
END=$((SECONDS + 30))
while [[ ${SECONDS} -lt ${END} ]] && [[ -n "${DB_HOST+x}" ]]; do
    if [[ $(/usr/bin/nc -w1 "${DB_HOST}" "${DB_PORT}" | tr -d '\0') ]]; then
        if [[ ! -f /tmp/dbwait.lock ]]; then
            sleep 5
        fi
        touch /tmp/dbwait.lock
        break
    else
        sleep 1
    fi
done

# update database - will set up database if fresh, or, migrate existing
php /app/www/artisan migrate --force

# permissions
lsiown -R abc:abc \
    /config