#!/bin/bash

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

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

server_name=$(ynh_app_setting_get --app=$app --key=server_name)

synapse_db_name="$(get_synapse_db_name $synapse_instance)"
bot_synapse_db_user="@$botname:$server_name"

#=================================================
# GET CONFIG PANEL SETTINGS
#=================================================
async_media=$(ynh_app_setting_get --app=$app --key=async_media)
displayname=$(ynh_app_setting_get --app=$app --key=displayname)
avatar=$(ynh_app_setting_get --app=$app --key=avatar)
ephemeral_events=$(ynh_app_setting_get --app=$app --key=ephemeral_events)
enable_metrics=$(ynh_app_setting_get --app=$app --key=enable_metrics)
listen_port=$(ynh_app_setting_get --app=$app --key=listen_port)
os_name=$(ynh_app_setting_get --app=$app --key=os_name)
browser_name=$(ynh_app_setting_get --app=$app --key=browser_name)
username_template=$(ynh_app_setting_get --app=$app --key=username_template)
personal_filtering_spaces=$(ynh_app_setting_get --app=$app --key=personal_filtering_spaces)
delivery_receipts=$(ynh_app_setting_get --app=$app --key=delivery_receipts)
send_presence_on_typing=$(ynh_app_setting_get --app=$app --key=send_presence_on_typing)
url_previews=$(ynh_app_setting_get --app=$app --key=url_previews)
encryption_default=$(ynh_app_setting_get --app=$app --key=encryption_default)
encryption_require=$(ynh_app_setting_get --app=$app --key=encryption_require)
enable_relaybot=$(ynh_app_setting_get --app=$app --key=enable_relaybot)
admin_only=$(ynh_app_setting_get --app=$app --key=admin_only)
print_level=$(ynh_app_setting_get --app=$app --key=print_level)

listrelay=$(ynh_app_setting_get --app=$app --key=listrelay)
listuser=$(ynh_app_setting_get --app=$app --key=listuser)
listadmin=$(ynh_app_setting_get --app=$app --key=listadmin)

#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..." --weight=1

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# 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

# DB Backup missing because of wrong Upgrade from <=0.2.0
if [ -z "$botname" ]
then
    botname=$(ynh_app_setting_get --app=$app --key=whatsappbot)
    ynh_app_setting_set --app=$app --key=botname --value=$botname
fi
if [ -z "$db_name" ]
then
    db_name=$(ynh_app_setting_get --app=$app --key=mautrix_whatsapp_db_name)
    ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi
if [ -z "$db_pwd" ]
then
    db_pwd=$(ynh_app_setting_get --app=$app --key=mautrix_whatsapp_db_pwd)
    ynh_app_setting_set --app=$app --key=db_pwd --value=$db_pwd
fi
ynh_app_setting_delete --app=$app --key=whatsappbot
ynh_app_setting_delete --app=$app --key=mautrix_whatsapp_db_name
ynh_app_setting_delete --app=$app --key=mautrix_whatsapp_db_pwd

# SET STANDARD SETTINGS FROM DEFAULT CONFIG

if [ -z "$async_media" ]
then
  async_media="false"
  ynh_app_setting_set --app=$app --key=async_media --value=$async_media
fi
if [ -z "$displayname" ]
then
  displayname="WhatsApp bridge bot"
  ynh_app_setting_set --app=$app --key=displayname --value=$displayname
fi
if [ -z "$avatar" ]
then
  avatar="mxc://maunium.net/NeXNQarUbrlYBiPCpprYsRqr"
  ynh_app_setting_set --app=$app --key=avatar --value=$avatar
fi
if [ -z "$ephemeral_events" ]
then
  ephemeral_events="true"
  ynh_app_setting_set --app=$app --key=ephemeral_events --value=$ephemeral_events
fi
if [ -z "$enable_metrics" ]
then
  enable_metrics="false"
  ynh_app_setting_set --app=$app --key=enable_metrics --value=$enable_metrics
fi
if [ -z "$listen_port" ]
then
  listen_port="127.0.0.1:8001"
  ynh_app_setting_set --app=$app --key=listen_port --value=$listen_port
fi
if [ -z "$os_name" ]
then
  os_name="Mautrix-WhatsApp bridge"
  ynh_app_setting_set --app=$app --key=os_name --value=$os_name
fi
if [ -z "$browser_name" ]
then
  browser_name="unknown"
  ynh_app_setting_set --app=$app --key=browser_name --value=$browser_name
fi
if [ -z "$username_template" ]
then
  username_template="whatsapp_{{.}}"
  ynh_app_setting_set --app=$app --key=username_template --value=$username_template
fi
if [ -z "$personal_filtering_spaces" ]
then
  personal_filtering_spaces="false"
  ynh_app_setting_set --app=$app --key=personal_filtering_spaces --value=$personal_filtering_spaces
fi
if [ -z "$delivery_receipts" ]
then
  delivery_receipts="false"
  ynh_app_setting_set --app=$app --key=delivery_receipts --value=$delivery_receipts
fi
if [ -z "$send_presence_on_typing" ]
then
  send_presence_on_typing="false"
  ynh_app_setting_set --app=$app --key=send_presence_on_typing --value=$send_presence_on_typing
fi
if [ -z "$url_previews" ]
then
  url_previews="false"
  ynh_app_setting_set --app=$app --key=url_previews --value=$url_previews
fi
if [ -z "$encryption_default" ]
then
  encryption_default="false"
  ynh_app_setting_set --app=$app --key=encryption_default --value=$encryption_default
fi
if [ -z "$encryption_require" ]
then
  encryption_require="false"
  ynh_app_setting_set --app=$app --key=encryption_require --value=$encryption_require
fi
if [ -z "$enable_relaybot" ]
then
  enable_relaybot="true"
  ynh_app_setting_set --app=$app --key=enable_relaybot --value=$enable_relaybot
fi
if [ -z "$admin_only" ]
then
  admin_only="true"
  ynh_app_setting_set --app=$app --key=admin_only --value=$admin_only
fi
if [ -z "$print_level" ]
then
  print_level="info"
  ynh_app_setting_set --app=$app --key=print_level --value=$print_level
fi
if [ -z "$listrelay" ]
then
    listrelay="*"
    ynh_app_setting_set --app=$app --key=listrelay --value=$listrelay
fi
if [ -z "$enable_relaybot" ]
then
    enable_relaybot="true"
    ynh_app_setting_set --app=$app --key=enable_relaybot --value=$enable_relaybot
fi

if [ -z "$listuser" ]
then
    listuser=$(ynh_app_setting_get --app=$app --key=botusers)
    ynh_app_setting_set --app=$app --key=listuser --value=$listuser
    ynh_app_setting_delete --app=$app --key=botusers
fi

if [ -z "$listadmin" ]
then
    listadmin=$(ynh_app_setting_get --app=$app --key=botadmin)
    ynh_app_setting_set --app=$app --key=listadmin --value=$listadmin
    ynh_app_setting_delete --app=$app --key=botadmin
fi

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=2

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

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

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

# reset permissions to be able to apply_permissions with app_setting values after upgrade
listrelay_=$listrelay
listuser_=$listuser
listadmin_=$listadmin
listrelay="*"
listuser="@user:domain.tld"
listadmin="@admin:domain.tld"

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

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

listrelay=$listrelay_
listuser=$listuser_
listadmin=$listadmin_

# apply_permissions to have correct syntax in config file
set__listuser
set__listrelay
set__listadmin

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

$install_dir/mautrix-whatsapp -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"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=4

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate --logfile "/var/log/$app/$app.log" --nonappend --specific_user $app/$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..." --weight=1

yunohost service add $app --description="$app daemon for bridging Whatsapp 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"

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

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