#!/bin/bash

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

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

#=================================================
# INITIALIZE AND STORE SETTINGS
#=================================================

# Retrieve some values from selected Synapse instance and store them
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"
synapse_db_name="matrix_$synapse_instance"

enable_relaybot=true
bot_synapse_db_user="@$botname:$server_name"

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing NodeJS..." --weight=1

ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_use_nodejs

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

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

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

#=================================================
# Build
#=================================================
ynh_script_progression --message="Building the app..." --weight=3

(
    cd "$install_dir"
    ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" i
)

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

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

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

# Generate the password encryption key
openssl genpkey -out "$install_dir/passkey.pem" -outform PEM -algorithm RSA -pkeyopt rsa_keygen_bits:2048
chmod 400 "$install_dir/passkey.pem"
chown "$app:$app" "$install_dir/passkey.pem"

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

__ynh_register_matrix_app_service

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression --message="Adding 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 IRC and Matrix messages." --log="/var/log/$app/$app.log"

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

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting $app's systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log" --line_match="Error: No IRC servers specified."

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

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