#!/bin/bash

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

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

mautrix_version=$(ynh_app_upstream_version)
synapse_db_name="matrix_$synapse_instance"

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# Fix possible permission issues with a previous signald version, esp. with stickers
mkdir -p /var/lib/signald/{avatars,attachments,stickers}
chown "$signald_user:$signald_user" /var/lib/signald/{avatars,attachments,stickers}
chmod -R g+rwX /var/lib/signald/{avatars,attachments,stickers}

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..." --weight=1

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir/src" --full_replace=1

chmod -R o-rwx "$install_dir"
chown -R "$app:$app" "$install_dir"

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=2

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

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

#=================================================
# UPGRADE MAUTRIX-BRIDGE PYTHON MODULE
#=================================================
ynh_script_progression --message="Upgrading Mautrix-Bridge Python Module..." --weight=2

if [ "$YNH_ARCH" == "armhf" ] || [ "$YNH_ARCH" == "armel" ]; then
    # Install rustup is not already installed
    # We need this to be able to install cryptgraphy
    _install_rustup
fi

_mautrix_signal_build_venv

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

"$install_dir/venv/bin/python3" -m mautrix_signal -g -c "$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 "Synapse can't restart with the appservice configuration"

# Set permissions on app files
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"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config
yunohost service add "$app" --description="$app daemon for bridging Signal and Matrix messages" --log="/var/log/$app/$app.log"

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

#=================================================
# 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"

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

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