#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	#### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
# language=$(ynh_app_setting_get --app=$app --key=language)

server_name=$(ynh_app_setting_get --app=$app --key=server_name)
port=$(ynh_app_setting_get --app=$app --key=port)
botname=$(ynh_app_setting_get --app=$app --key=botname)
synapse_instance=$(ynh_app_setting_get --app=$app --key=synapse_instance)
app_service_registration_path=$(ynh_app_setting_get --app=$app --key=app_service_registration_path)
# bot_is_synapse_admin=$(ynh_app_setting_get --app=$app --key=bot_is_synapse_admin)
encryption=$(ynh_app_setting_get --app=$app --key=encryption)
botadmin=$(ynh_app_setting_get --app=$app --key=botadmin)
botusers=$(ynh_app_setting_get --app=$app --key=botusers)
mautrix_config_path="$final_path/config.yaml"
mautrix_version=$(ynh_app_setting_get --app=$app --key=mautrix_version)

ynh_print_OFF
mautrix_bridge_db_pwd=$(ynh_app_setting_get --app=$app --key=mautrix_bridge_db_pwd)
ynh_print_ON

#=================================================
# SET CONSTANTS
#=================================================

synapse_db_name="matrix_$synapse_instance"
# botname_synapse_db_user="@$botname:$server_name"
mautrix_bridge_user=$app
mautrix_bridge_db_name=$app
mautrix_bridge_db_user=$app
upstream_version=$(ynh_app_upstream_version)
signald_data="/var/lib/signald"
#signald_exe="/usr/bin/signald"

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --time --weight=1

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --time --weight=1

ynh_restore_file --origin_path="$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --time --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$mautrix_bridge_user

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R root: $final_path
chown $mautrix_bridge_user:root -R $final_path

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --time --weight=1

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

ynh_install_extra_app_dependencies --repo="https://updates.signald.org unstable main" --package="signald" --key="https://updates.signald.org/apt-signing-key.asc"

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=8

ynh_psql_test_if_first_run
ynh_print_OFF
ynh_psql_create_user $mautrix_bridge_db_user $mautrix_bridge_db_pwd
ynh_print_ON
ynh_psql_execute_as_root \
--sql="CREATE DATABASE ""$mautrix_bridge_db_name"" ENCODING 'UTF8' LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER ""$mautrix_bridge_db_user"";"
ynh_psql_execute_file_as_root --file="${YNH_CWD}/dump.sql" --database="$mautrix_bridge_db_name"

#=================================================
# RESTORE MAUTRIX-BRIDGE PYTHON MODULE
#=================================================

ynh_restore_file --origin_path="/var/log/$app"
#mkdir -p /var/log/$app
# Configure Mautrix-Bridge
python3 -m venv $final_path
#$final_path/bin/pip3 install --upgrade setuptools wheel
#$final_path/bin/pip3 install --upgrade $final_path/src/mautrix-signal.tar.gz[met$
# -r optional-requirements.txt

#=================================================
# REGISTER SYNAPSE APP-SERVICE
#=================================================
$final_path/bin/python3 -m mautrix_signal -g -c $mautrix_config_path -r $app_service_registration_path/$app.yaml

/opt/yunohost/matrix-$synapse_instance/update_synapse_for_appservice.sh \
    || ynh_die "Synapse can't restart with the appservice configuration"
# Handled by synapse: synapse_ynh adds all registration files added in $app_service_registration_path to the app_service_config_files list

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --time --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service --quiet

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

ynh_use_logrotate --logfile "/var/log/$app/$app.log"
chown $mautrix_bridge_user:root -R /var/log/$app

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

yunohost service add $app --description="$app daemon for bridging Signal and Matrix messages" --log="/var/log/$app/$app.log"

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

# ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name=$app --action="start"
# Wait until the synapse user is created
# sleep 30
# #    # (Note that, by default, non-admins might not have your homeserver's permission to create communities.)
# #    if [ "$bot_is_synapse_admin" = true ]
# #    then
#     ynh_psql_execute_as_root --database=$synapse_db_name --sql="UPDATE users SET admin = 1 WHERE name = ""$botname"";"
# #    #yunohost app action run $synapse_instance set_admin_user -a username=$botname
# #    fi
# ynh_systemd_action --service_name=$app --action="restart"

#=================================================
# RESTORE VARIOUS FILES
#=================================================

ynh_restore_file --origin_path="$signald_data"

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

ynh_script_progression --message="Restoration completed for $app" --time --last