#!/bin/bash

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

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

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

ynh_clean_setup () {
    ynh_clean_check_starting
}
# 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=$YNH_APP_ARG_LANGUAGE
admin=$YNH_APP_ARG_ADMIN
infcloud=$YNH_APP_ARG_INFCLOUD

app=$YNH_APP_INSTANCE_NAME

# Retrieve the version number in the manifest file.
version=$(ynh_app_upstream_version)
ynh_print_warn $version

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..."

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

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=infcloud --value=$infcloud
ynh_app_setting_set --app=$app --key=version --value=$version

ynh_app_setting_set --app=$app --key=overwrite_config --value="1"
ynh_app_setting_set --app=$app --key=overwrite_infcloud --value="1"
ynh_app_setting_set --app=$app --key=overwrite_nginx --value="1"
ynh_app_setting_set --app=$app --key=overwrite_systemd --value="1"
ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value="1"
ynh_app_setting_set --app=$app --key=admin_mail_html --value="1"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Configuring firewall..."

# Find a free port
port=$(ynh_find_port --port=5232)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..."

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..."

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Create the directory and set the path in the config
mkdir -p "$final_path/collections"

if [ $infcloud -eq 1 ]
then
    # Download and uncompress the source into final_path
    ynh_setup_source --dest_dir="$final_path/infcloud"
fi

chmod 750 -R "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..."

# Create a dedicated NGINX config
ynh_add_nginx_config

if [ $infcloud -eq 1 ]
then
    # Add InfCloud in NGINX config
    ynh_replace_string --match_string="#INFCLOUD#" --replace_string="" --target_file="/etc/nginx/conf.d/$domain.d/$app.conf"
fi
ynh_store_file_checksum --file="/etc/nginx/conf.d/$domain.d/$app.conf"

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

if [ $infcloud -eq 1 ]
then
    ynh_script_progression --message="Configuring PHP-FPM..."

    # Create a dedicated PHP-FPM config
    ynh_add_fpm_config
    phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
fi

#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL RADICALE IN A VIRTUALENV
#=================================================
ynh_script_progression --message="Install Radicale in a virtualenv"

# Init virtualenv
virtualenv -p python3 /opt/yunohost/$app
version=$(ynh_app_upstream_version)
ynh_app_setting_set --app=$app --key=version --value="$version"
/opt/yunohost/$app/bin/python3 -m pip install radicale==$version passlib bcrypt

# Add LDAP plugin
# (cd /opt/yunohost/$app
# set +u; source bin/activate
# # git clone https://github.com/marcoh00/radicale-auth-ldap
# git clone https://github.com/cloudron-io/radicale-auth-ldap
# cd radicale-auth-ldap
# python3 -m pip install .)

# Use htpasswd instead of ldap
touch /etc/radicale/users
# sudo htpasswd -B -c /etc/radicale/users username

chown radicale: -R /opt/yunohost/$app

find /opt/yunohost/$app/ -type d -exec chmod 2755 {} \;
find /opt/yunohost/$app/ -type f -exec chmod g+r,o+r {} \;

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..."

mkdir -p /etc/$app

ynh_add_config --template="../conf/config" --destination="/etc/$app/config"

ynh_add_config --template="../conf/rights" --destination="/etc/$app/rights"

chmod 755 /etc/$app/
chmod 644 /etc/$app/*

if [ $infcloud -eq 1 ]
then
    # InfCloud configuration
    # Set language
    case "$language" in
        "Czech") language="cs_CZ"
        ;;
        "Danish") language="da_DK"
        ;;
        "German") language="de_DE"
        ;;
        "English/US") language="en_US"
        ;;
        "Spanish") language="es_ES"
        ;;
        "French") language="fr_FR"
        ;;
        "Italian") language="it_IT"
        ;;
        "Japan") language="ja_JP"
        ;;
        "Hungarian") language="hu_HU"
        ;;
        "Dutch") language="nl_NL"
        ;;
        "Slovak") language="sk_SK"
        ;;
        "Turkish") language="tr_TR"
        ;;
        "Russian") language="ru_RU"
        ;;
        "Ukrainian") language="uk_UA"
        ;;
        "Chinese") language="zh_CN"
        ;;
    esac
    ynh_app_setting_set --app=$app --key=language --value=$language
    timezone=$(cat /etc/timezone)
    ynh_add_config --template="../conf/config.js" --destination="$final_path/infcloud/config.js"

    chmod 440 "$final_path/infcloud/config.js"
    chown $app:www-data "$final_path/infcloud/config.js"
fi

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..."

ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../conf/systemd.service"
ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="../conf/systemd.service"
# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..."

mkdir -p /var/log/$app
touch /var/log/$app/$app.log
chown radicale -R /var/log/$app

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."

yunohost service add $app --log="/var/log/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

# Start a systemd service
ynh_systemd_action --service_name=$app --action="restart"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..."

if [ $infcloud -eq 1 ]
then
    ynh_permission_create --permission="infcloud" --url="${path_url%/}/infcloud" --allowed="$admin" --show_tile=true
fi
ynh_permission_update --permission="main" --add="visitors" --show_tile=false

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"

if [ $infcloud -eq 1 ]
then
    infcloud_config="
InfCloud has its own config file, at $final_path/infcloud/config.js
"
else
    infcloud_config=""
fi

echo "Use the file /etc/radicale/config to change the main configuration of radicale.
And the file /etc/radicale/rights to edit the way the calendars will be shared.
$infcloud_config
You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.

If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/radicale_ynh__URL_TAG3__." > mail_to_send

ynh_send_readme_to_admin --app_message="mail_to_send" --recipients="$admin" --type="install"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed"