#!/bin/bash

set -e

# Retrieve arguments
domain=$1
path=${2%/}
password=$3
app=${!#}

# Load common variables and helpers
source ./_common.sh

# Set app specific variables
dbname=$app
dbuser=$app

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path}" -a "$app" \
  || exit 1

# Check destination directory
DESTDIR="/var/www/${app}"
[[ -d "$DESTDIR" ]] && ynh_die \
"The destination directory '${DESTDIR}' already exists.\
 You should safely delete it before installing this app."

# Create tmp directory and fetch app inside
TMPDIR=$(ynh_mkdir_tmp)
extract_baikal "$TMPDIR"

# Generate random DES key & password
deskey=$(ynh_string_random 24)
dbpass=$(ynh_string_random)

# Initialize database
ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
ynh_mysql_connect_as "$dbuser" "$dbpass" "$dbname" \
    < "${TMPDIR}/Core/Resources/Db/MySQL/db.sql"

# Create admin password hash
password_hash=$(echo -n admin:BaikalDAV:$password | md5sum | cut -d ' ' -f 1)

# Copy and set Baikal configuration
bk_conf="${TMPDIR}/Specific/config.php"
cp ../conf/config.php "$bk_conf"
sed -i "s@#TIMEZONE#@$(cat /etc/timezone)@g" "$bk_conf"
sed -i "s@#PASSWORDHASH#@${password_hash}@g" "$bk_conf"

bk_conf="${TMPDIR}/Specific/config.system.php"
cp ../conf/config.system.php "$bk_conf"
sed -i "s@#PATH#@${path}@g"     "$bk_conf"
sed -i "s@#DBNAME#@${dbname}@g" "$bk_conf"
sed -i "s@#DBUSER#@${dbuser}@g" "$bk_conf"
sed -i "s@#DBPASS#@${dbpass}@g" "$bk_conf"
sed -i "s@#DESKEY#@${deskey}@g" "$bk_conf"

# Disable installation
touch "${TMPDIR}/Specific/INSTALL_DISABLED"

# Install files and set permissions
sudo mv "$TMPDIR" "$DESTDIR"
sudo chown -R www-data: "$DESTDIR"

# Copy and set nginx configuration
nginx_conf="/etc/nginx/conf.d/${domain}.d/${app}.conf"
sed -i "s@{PATH}@${path}@g"        ../conf/nginx.conf
sed -i "s@{LOCATION}@${path:-/}@g" ../conf/nginx.conf
sed -i "s@{DESTDIR}@${DESTDIR}@g"  ../conf/nginx.conf
sed -i "s@{POOLNAME}@${app}@g"     ../conf/nginx.conf
sudo cp ../conf/nginx.conf "$nginx_conf"

# Copy and set php-fpm configuration
phpfpm_conf="/etc/php5/fpm/pool.d/${app}.conf"
sed -i "s@{POOLNAME}@${app}@g"     ../conf/php-fpm.conf
sed -i "s@{DESTDIR}@${DESTDIR}/@g" ../conf/php-fpm.conf
sudo cp ../conf/php-fpm.conf "$phpfpm_conf"

# Save app settings
ynh_app_setting_set "$app" password "$password"
ynh_app_setting_set "$app" encrypt_key "$deskey"
ynh_app_setting_set "$app" mysqlpwd "$dbpass"

# Set SSOwat rules
ynh_app_setting_set "$app" skipped_uris "/"
ynh_app_setting_set "$app" protected_uris "/admin/"

# Reload services
sudo service php5-fpm restart || true
sudo service nginx reload || true