#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
admin=$(ynh_app_setting_get --app=$app --key=admin)
port=$(ynh_app_setting_get --app=$app --key=web_port)
smtp_port=$(ynh_app_setting_get --app=$app --key=smtp_port)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
    # Restore it if the upgrade fails
    ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# UPGRADE SETTINGS FROM OLD INSTALL
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

if [[ -z $port ]]; then
    # Find a port for SOGo
    port=$(ynh_find_port --port=20000)
    ynh_app_setting_set --app=$app --key=web_port --value=$port
fi

if [[ -z $db_name ]]; then
    db_name=$app
    ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

if [[ -z $db_user ]]; then
    db_user=$app
    ynh_app_setting_set --app=$app --key=db_user --value=$db_user
fi

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
    ynh_legacy_permissions_delete_all

    ynh_app_setting_delete --app=$app --key=is_public
fi

# Manage migrations
ynh_script_progression --message="Migrating database if needed..."

if ynh_compare_current_package_version --comparison le --version 4.0.0~ynh0; then
    ynh_replace_string --match_string __APP__ --replace_string $app --target_file migrations/3.2-4.0.sh
    ynh_replace_string --match_string __DBUSER__ --replace_string $db_user --target_file migrations/3.2-4.0.sh
    ynh_replace_string --match_string __DBPASS__ --replace_string $db_pwd --target_file migrations/3.2-4.0.sh
    bash migrations/3.2-4.0.sh
fi

if ! ynh_permission_exists --permission="sync_client"; then
    # Create the required permissions
    ynh_permission_create --permission="sync_client" --allowed='visitors' --auth_header=false\
    --label="Sync client" --protected=true --show_tile=false\
    --additional_urls="/Microsoft-Server-ActiveSync" "/principals" "/.well-known/caldav" "/.well-known/carddav"
fi

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=1

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Configuring application..." --weight=1

# Configure SOGO
ynh_add_config --template="../conf/sogo.conf" --destination="/etc/$app/sogo.conf"

# Configure stunnel
ynh_add_config --template="../conf/stunnel.conf" --destination="/etc/stunnel/$app.conf"

# Enable stunnel at startup
ynh_replace_string --match_string="ENABLED=0" --replace_string="ENABLED=1" --target_file="/etc/default/stunnel4"

#=================================================
# SETUP A CRON
#=================================================
ynh_script_progression --message="Setuping a cron..." --weight=1

ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
chown root: "/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

config_nginx

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Protecting directory..." --weight=1

chown -R $app:$app /etc/$app
chmod u=rwX,g=rX,o= -R /etc/$app
chown -R $app:$app /var/log/$app
chmod u=rwX,g=rX,o= -R /var/log/$app



# configure the sso
ynh_script_progression --message="Configuring permissions..."

if ! ynh_permission_exists --permission sync_client; then
    ynh_permission_create --permission="sync_client" --allowed 'visitors' --auth_header=false\
        --label="Sync client" --protected=true --show_tile=false\
        --additional_urls="/Microsoft-Server-ActiveSync" "/principals" "/.well-known/caldav" "/.well-known/carddav"
    python3 remove_sso_conf_persistent.py $domain \
        || ynh_print_warn --message="Your file /etc/ssowat/""conf.json.persistent doesn't respect the json syntax. The config file wasn't cleaned. Please clean it manually."
else
    ynh_permission_update --permission="sync_client" --add='visitors' --label="Sync client" --protected=true --show_tile=false
    ynh_permission_url  --permission "sync_client" --auth_header=false\
        --add_url="/Microsoft-Server-ActiveSync" "/principals" "/.well-known/caldav" "/.well-known/carddav"
fi

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Groupware for E-Mail, Contacts and Calender" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="restart" --log_path="systemd"
ynh_systemd_action --service_name=stunnel4 --action="restart" --log_path="systemd"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Upgrade of $app completed" --last