#!/bin/bash

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

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

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

# Retrieve some values from selected Synapse instance and store them
appserviceid=$app
server_name=$(ynh_app_setting_get --app $synapse_instance --key server_name)
domain=$(ynh_app_setting_get --app $synapse_instance --key domain)
ynh_app_setting_set --app=$app --key=server_name --value=$server_name
ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=appserviceid --value=$appserviceid

#=================================================
# SET STANDARD SETTINGS FROM DEFAULT CONFIG
#=================================================

appserviceid=$app
async_media="false"
bot_username="$botname"
bot_displayname="Telegram bridge bot"
bot_avatar="mxc://maunium.net/tJCRmUyJDsgRNgqhOgoiHWbX"
device_model="mautrix-telegram"
ephemeral_events="false"
enable_metrics="false"
listen_port="8000"
alias_template="telegram_{userid}"
displayname_template="{displayname} (Telegram)"
username_template="telegram_{userid}"
delivery_receipts="false"
telegram_link_preview="false"
encryption_default="false"
encryption_require="false"
listrelaybot="*"
listuser=""
listpuppeting="$botusers"
listfull=""
listadmin="$botadmin"

ynh_app_setting_set --app=$app --key=appserviceid --value=$appserviceid
ynh_app_setting_set --app=$app --key=async_media --value=$async_media
ynh_app_setting_set --app=$app --key=bot_displayname --value=$bot_displayname
ynh_app_setting_set --app=$app --key=bot_username --value=$bot_username
ynh_app_setting_set --app=$app --key=bot_avatar --value=$bot_avatar
ynh_app_setting_set --app=$app --key=device_model --value=$device_model
ynh_app_setting_set --app=$app --key=ephemeral_events --value=$ephemeral_events
ynh_app_setting_set --app=$app --key=enable_metrics --value=$enable_metrics
ynh_app_setting_set --app=$app --key=listen_port --value=$listen_port
ynh_app_setting_set --app=$app --key=alias_template --value=$alias_template
ynh_app_setting_set --app=$app --key=displayname_template --value=$displayname_template
ynh_app_setting_set --app=$app --key=username_template --value=$username_template
ynh_app_setting_set --app=$app --key=delivery_receipts --value=$delivery_receipts
ynh_app_setting_set --app=$app --key=telegram_link_preview --value=$telegram_link_preview
ynh_app_setting_set --app=$app --key=encryption_default --value=$encryption_default
ynh_app_setting_set --app=$app --key=encryption_require --value=$encryption_require
ynh_app_setting_set --app=$app --key=listrelaybot --value=$listrelaybot

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=3

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir/src"

chmod 750 "$install_dir"
chmod -R 750 "$install_dir"
chown -R $app:$app "$install_dir"

#=================================================
# SPECIFIC SETUP
#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=2

# WARNING : theses command are used in INSTALL, UPGRADE, CONFIG, CHANGE-URL (4 times)
# For any update do it in all files
as_token="\"This value is generated when generating the registration\""
hs_token="\"This value is generated when generating the registration\""
is_encryption_enabled="$encryption"

if [ $encryption -eq 1 ]; then
  is_encryption_enabled="true"
fi

if [ "$botusers" = "local" ]
then
	botusers="$server_name"
fi

ynh_add_config --template="config.yaml" --destination="$install_dir/config.yaml"

chmod 400 "$install_dir/config.yaml"
chown $app:$app "$install_dir/config.yaml"

# This calls allows to set multiple users during install question "botusers" specifying them separated by a comma
set__listrelaybot
set__listuser
set__listpuppeting
set__listfull
set__listadmin

#=================================================
# INSTALL MAUTRIX-BRIDGE PYTHON MODULE
#=================================================
ynh_script_progression --message="Installing Mautrix-Bridge Python Module..." --weight=6

mkdir -p /var/log/$app
# Configure Mautrix-Bridge
python3 -m venv $install_dir
export HOME=$install_dir
$install_dir/bin/pip3 install --upgrade pip setuptools wheel
$install_dir/bin/pip3 install --upgrade $install_dir/src/mautrix-telegram.tar.gz[e2be,speedups] # metrics,hq_thumbnails,sqlite,formattednumbers

#=================================================
# REGISTER SYNAPSE APP-SERVICE
#=================================================
ynh_script_progression --message="Registering Synapse app-service" --weight=1

$install_dir/bin/python3 -m mautrix_telegram -g -c $install_dir/config.yaml -r "/etc/matrix-$synapse_instance/app-service/$app.yaml"
/opt/yunohost/matrix-$synapse_instance/update_synapse_for_appservice.sh || ynh_die --message="Synapse can't restart with the appservice configuration"

chown -R $app:$app "$install_dir"
ynh_store_file_checksum --file="/etc/matrix-$synapse_instance/app-service/$app.yaml"
ynh_store_file_checksum --file="$install_dir/config.yaml"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=20

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=3

# Use logrotate to manage application logfile(s)
# TODO maybe --specific-user??
ynh_use_logrotate --logfile "/var/log/$app/$app.log" --specific_user $app
chmod -R 600 "/var/log/$app"
chmod 700 "/var/log/$app"
chown -R $app:$app /var/log/$app

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

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

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

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

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