#!/bin/bash

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

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

# Satisfy shellcheck, those variables are known when starting the script:
# shellcheck disable=SC2154
echo From manifest: "$synapsenumber $bot_synapse_adm", \
     From yunohost: "$app $install_dir" > /dev/null

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

if [[ -z "$botusers" ]] || [ "$botusers" == "admin" ]; then
    if_botusers="# "
else
    if_botusers=""
fi

# ToDo check (in manifest?) if the selected synapse instance is not already connected to a mautrix_bridge bridge
if [ "$synapsenumber" -eq "1" ]
then
	synapse_instance="synapse"
else
	synapse_instance="synapse__$synapsenumber"
fi

# Convert user choice boolean from the manifest into a config value
if [ "$enable_relaybot" -eq "1" ]
then
  enable_relaybot="true"
else
  enable_relaybot="false"
fi

if [ "$encryption" -eq "1" ]
then
  encryption="true"
else
  encryption="false"
fi

server_name=$(ynh_app_setting_get --app "$synapse_instance" --key server_name)
domain=$(ynh_app_setting_get --app $synapse_instance --key domain)
mautrix_version=$(ynh_app_upstream_version)
bot_synapse_db_user="@$botname:$server_name"
synapse_db_name="matrix_$synapse_instance"

ynh_app_setting_set --app="$app" --key=bot_synapse_adm --value="$bot_synapse_adm"
ynh_app_setting_set --app="$app" --key=encryption --value="$encryption"
ynh_app_setting_set --app="$app" --key=enable_relaybot --value="$enable_relaybot"
ynh_app_setting_set --app="$app" --key=synapse_instance --value="$synapse_instance"
ynh_app_setting_set --app="$app" --key=server_name --value="$server_name"
ynh_app_setting_set --app="$app" --key=mautrix_version --value="$mautrix_version"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=5

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

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

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding 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"

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

"$install_dir"/mautrix-signal -g -c "$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 --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"

#=================================================
# 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 Signal 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" --nonappend --specific_user "$app/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting $app's systemd service..." --weight=2

# 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