#!/bin/sh

set -e

_docker_dir="$_docker_base_dir/$_remote_host"

_ssh_cmd="ssh root@$_remote_host.$_domain"
_scp_to_base="root@$_remote_host.$_domain:$_docker_dir"

echo "HOST=$_remote_host" > .env
echo "DOMAIN=$_domain" >> .env
echo "MYSQL_ROOT_PASSWD=$_mysql_root_passwd" >> .env
echo "MYSQL_DATABASE=wordpress" >> .env
echo "MYSQL_USER=wordpress" >> .env
echo "MYSQL_PASSWORD=wordpress" >> .env

$_ssh_cmd "mkdir -p $_docker_dir/wordpress"

echo "Copying files ..."
scp -r production/config "$_scp_to_base"/config
scp production/docker/Dockerfile "$_scp_to_base"/Dockerfile
scp production/docker/entrypoint.sh "$_scp_to_base"/entrypoint.sh
scp .env "$_scp_to_base"/.env
scp production/docker/docker-compose.yml "$_scp_to_base"/docker-compose.yml

scp wordpress.tar.gz "$_scp_to_base"/wordpress.tar.gz
$_ssh_cmd "tar -xf $_docker_dir/wordpress.tar.gz -C $_docker_dir/wordpress && rm $_docker_dir/wordpress.tar.gz"

echo "Configuring files ..."
$_ssh_cmd "sed -i 's/__HOST__/$_remote_host/g' $_docker_dir/config/nginx.conf"
# TODO make this  more robust than just substituting localhost
$_ssh_cmd "sed -i 's/localhost/$_remote_host-mysql/g' $_docker_dir/wordpress/wp-config.php"
$_ssh_cmd "cat $_docker_dir/config/wp-config-forward-headers.php $_docker_dir/wordpress/wp-config.php >/tmp/out.tmp && mv /tmp/out.tmp $_docker_dir/wordpress/wp-config.php"
$_ssh_cmd "chown -R $_docker_user: $_docker_dir"
# The 82 comes from the Dockerfile addgroup and adduser commands
$_ssh_cmd "chown -R 82:82 $_docker_dir/wordpress"

echo "Starting containers ..."
$_ssh_cmd "cd $_docker_dir && docker-compose up -d --build"

# TODO - need to wait for mysql to initialise
# temporary solution
echo "waiting for mysql to initialise ..."
sleep 10
echo "still waiting for mysql ..."
sleep 10
echo "and still waiting for mysql ..."
sleep 5

echo "Configuring WordPress ..."

# TODO does docker always assign ips in range 172.% ????
# TODO - sort this mess out - use functions or something
_ssh_shell_cmd='echo "GRANT ALL PRIVILEGES ON wordpress."*" TO \"wordpress\"@\"172.%\" IDENTIFIED BY \"'"$_wp_db_passwd"'\";" | mysql -uroot -p'"$_mysql_root_passwd"
_cmd_docker_exec="cd $_docker_dir && docker exec -t $_remote_host-mysql /bin/sh -c '$_ssh_shell_cmd'"
echo "$_ssh_cmd $_cmd_docker_exec"
$_ssh_cmd $_cmd_docker_exec

_cmd_wp="wp db import --dbuser=wordpress --dbpass=$_wp_db_passwd data.sql && rm data.sql"
_cmd_docker_exec="cd $_docker_dir && docker exec -t $_remote_host-wordpress /bin/sh -c '$_cmd_wp'"
echo "$_ssh_cmd $_cmd_docker_exec"
$_ssh_cmd "$_cmd_docker_exec"

_cmd_wp="wp rewrite structure /%postname%/"
_cmd_docker_exec="cd $_docker_dir && docker exec -t $_remote_host-wordpress /bin/sh -c '$_cmd_wp'"
echo "$_ssh_cmd $_cmd_docker_exec"
$_ssh_cmd "$_cmd_docker_exec"

# _cmd_wp="wp user create $_wp_admin_user"
# _cmd_docker_exec="cd $_docker_dir && docker exec -t $_remote_host-wordpress /bin/sh -c '$_cmd_wp'"
# echo "$_ssh_cmd $_cmd_docker_exec"
# $_ssh_cmd "$_cmd_docker_exec"

# TODO move this into helper script
# wp search-replace 'example.dev' 'example.com' --skip-columns=guid
# Or, if you only want to change the option, you can do:
# wp option update home 'http://example.com'
# wp option update siteurl 'http://example.com';
_cmd_wp="wp search-replace 'http://$_local_hostname.$_local_domain' 'https://$_local_hostname.$_local_domain' --skip-columns=guid"
_cmd_docker_exec="cd $_docker_dir && docker exec -t $_remote_host-wordpress /bin/sh -c '$_cmd_wp'"
echo "$_ssh_cmd $_cmd_docker_exec"
$_ssh_cmd "$_cmd_docker_exec"

_remote_url="$_remote_host.$_domain"
_cmd_wp="wp search-replace '$_local_hostname.$_local_domain' '$_remote_url' --skip-columns=guid"
_cmd_docker_exec="cd $_docker_dir && docker exec -t $_remote_host-wordpress /bin/sh -c '$_cmd_wp'"
echo "$_ssh_cmd $_cmd_docker_exec"
$_ssh_cmd "$_cmd_docker_exec"

echo ""
echo "-------------------------------------------------------------------------"
echo "Deploy complete"
echo " URL: https://$_remote_url/wp-login.php"

rm .env