#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
language=$YNH_APP_ARG_LANGUAGE

# Set and store language
language=${LANGUAGES[$language]}

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

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Define LOGDIR (create it later when user is created)
LOGDIR=/var/log/$app
test ! -e "$LOGDIR" || ynh_die "This log path already contains a folder"

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path "$path_url")

# Check web path availability
ynh_webpath_available "$domain" "$path_url"
# Register (book) web path
ynh_webpath_register "$app" "$domain" "$path_url"


# Check whether Baïkal or Radicale is installed
baikal_install=$(agendav_app_check_installation "baikal")
radicale_install=$(agendav_app_check_installation "radicale")
if [[ -n "$baikal_install" ]]
then
    caldav_app="baikal"
    caldav_baseurl="/cal.php/"
elif [[ -n "$radicale_install" ]]
then
    caldav_app="radicale"
    caldav_baseurl="/"
else
    ynh_die "Baikal or Radicale is mandatory"
fi

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

ynh_app_setting_set "$app" language "$language"
ynh_app_setting_set "$app" path "$path_url"
ynh_app_setting_set "$app" domain "$domain"
ynh_app_setting_set "$app" final_path "$final_path"

#=================================================
# STANDARD MODIFICATIONS
#=================================================

# Install dependencies
ynh_install_app_dependencies php5-cli

#=================================================
# CREATE A MYSQL DATABASE
#=================================================

# Initialize database
dbpass=$(ynh_string_random)

ynh_mysql_setup_db "$dbname" "$dbuser" "$dbpass"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

ynh_setup_source "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================

# Copy and set nginx configuration
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================

ynh_system_user_create "$app"

#=================================================
# PHP-FPM CONFIGURATION
#================================================

# Copy and set php-fpm configuration
ynh_add_fpm_config

#=================================================
# SPECIFIC SETUP
#=================================================
# Create settings.php
#=================================================

# Generate random encryption key
encryptkey=$(ynh_string_random 24)

ynh_app_setting_set "$app" encryptkey "$encryptkey"

# Copy and set AgenDAV configuration
timezone=$(cat /etc/timezone)

caldav_domain=$(ynh_app_setting_get "$caldav_app" domain)
caldav_path=$(ynh_app_setting_get "$caldav_app" path)
caldav_url="https://${caldav_domain}${caldav_path%/}"

conf_path="${final_path}/web/config/settings.php"
cp ../conf/settings.php "$conf_path"

ynh_replace_string "{DBUSER}" "${dbuser}"         "$conf_path"
ynh_replace_string "{DBPASS}" "${dbpass}"         "$conf_path"
ynh_replace_string "{DBNAME}" "${dbname}"         "$conf_path"
ynh_replace_string "{ENCRYPTKEY}" "${encryptkey}" "$conf_path"
ynh_replace_string "{LOGDIR}" "${LOGDIR}"         "$conf_path"
ynh_replace_string "{TIMEZONE}" "$timezone"       "$conf_path"
ynh_replace_string "{LANGUAGE}" "${language}"     "$conf_path"
ynh_replace_string "{CALDAV_BASEURL}" "${caldav_url}${caldav_baseurl}" "$conf_path"
ynh_replace_string "{CALDAV_DOMAIN}" "${caldav_domain}"                "$conf_path"

#=================================================
# STORE THE CHECKSUM OF THE CONFIG FILE
#=================================================

ynh_store_file_checksum "$conf_path"

#=================================================
# Run database migrations (includes initialization)
#=================================================

(
	cd "$final_path"
	php agendavcli migrations:migrate --no-interaction
)

#=================================================
# SETUP LOG directory
#=================================================

mkdir -p "$LOGDIR"
chown -R "$app": "$LOGDIR"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

chown -R root: "$final_path"

# Only agendav user should write here
chown -R "$app" "${final_path}/web/var/cache/"{profiler,twig}

# The agendav user should read here, but does not need to write
chown -R root:"$app" "${final_path}/web/config/"
chmod -R g+rx "${final_path}/web/config/"

# Other users should not be able to read as it stores passwords.
chmod -R o-rwx "${final_path}/web/config/"

#=================================================
# SETUP SSOWAT
#=================================================

# Nothing to do, this app is private

#=================================================
# RELOAD NGINX and FPM
#=================================================

# Reload services
service php5-fpm reload
service nginx reload