#!/bin/bash

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

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

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

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

ynh_supervisor_action --service_name="${app}-horizon" --action="stop" --log_path="systemd" --line_match="stopped: ${app}-horizon"

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

# If fpm_footprint doesn't exist, create it
if [ -z "${fpm_footprint:-}" ]; then
    fpm_footprint=low
    ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
fi

# If fpm_free_footprint doesn't exist, create it
if [ -z "${fpm_free_footprint:-}" ]; then
    fpm_free_footprint=0
    ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
fi

# If fpm_usage doesn't exist, create it
if [ -z "${fpm_usage:-}" ]; then
    fpm_usage=low
    ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
fi

# If app_key doesn't exist, retrieve it
if [ -z "${app_key:-}" ]; then
	ynh_script_progression --message="Retrieving app_key..."
	app_key=$(grep -oP "APP_KEY=\Kbase64.*" "$install_dir/.env")
	ynh_app_setting_set --app="$app" --key=app_key --value="$app_key"
fi

if dpkg --compare-versions "0.9.0~ynh3" gt "$(ynh_read_manifest --manifest="/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" --manifest_key="version" || echo 1.0)" ; then
	ynh_script_progression --message="Ensuring upgrade compatibility to 0.9.0~ynh3..."

	ynh_script_progression --message="Configuring a systemd service..."
	ynh_add_systemd_config --service="${app}-horizon" --template=horizon.conf
fi

if dpkg --compare-versions "0.10.9~ynh2" gt "$(ynh_read_manifest --manifest="/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" --manifest_key="version" || echo 1.0)" ; then
	ynh_script_progression --message="Ensuring upgrade compatibility to 0.10.9~ynh2..."

	ynh_script_progression --message="Stopping and removing the systemd service..."
	ynh_remove_systemd_config --service="${app}-horizon"

	ynh_script_progression --message="Creating log file..."
	mkdir -p "/var/log/$app/"
	touch "/var/log/$app/${app}-horizon.log"
	chown -R $app: "/var/log/$app/"

	ynh_script_progression --message="Configuring a supervisor service..."
	ynh_add_supervisor_config --service="${app}-horizon" --template=horizon.conf

	ynh_script_progression --message="Starting a supervisor service..."
	ynh_supervisor_action --service_name="${app}-horizon" --action="start" --log_path="systemd" --line_match="success: ${app}-horizon"
fi

if dpkg --compare-versions "0.10.9~ynh3" gt "$(ynh_read_manifest --manifest="/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" --manifest_key="version" || echo 1.0)" ; then
	ynh_script_progression --message="Ensuring upgrade compatibility to 0.10.9~ynh3..."

	if ynh_exec_warn_less yunohost service status ${app}-horizon >/dev/null
	then
		ynh_script_progression --message="Removing ${app}-horizon service..."
		yunohost service remove "${app}-horizon"
	fi

	ynh_script_progression --message="Integrating service in YunoHost..."
	yunohost service add "supervisor" --description="Supervisor daemon for $app" --log="/var/log/$app/${app}-horizon.log"
fi

# Fix old email configs
if ynh_compare_current_package_version --comparison lt --version "0.11.8~ynh5" ; then
	ynh_replace_special_string --match_string="MAIL_DRIVER=[^\\n]*" --replace_string="MAIL_DRIVER=sendmail" --target_file="$install_dir/.env" # two \\ because it's in a ""
	ynh_replace_special_string --match_string="MAIL_HOST=[^\\n]*" --replace_string="MAIL_HOST=127.0.0.1" --target_file="$install_dir/.env" # two \\ because it's in a ""
	ynh_replace_special_string --match_string="MAIL_USERNAME=[^\\n]*" --replace_string="MAIL_USERNAME=$app" --target_file="$install_dir/.env" # two \\ because it's in a ""
	ynh_replace_special_string --match_string="MAIL_PASSWORD=[^\\n]*" --replace_string="MAIL_PASSWORD=$mail_pwd" --target_file="$install_dir/.env" # two \\ because it's in a ""
	ynh_replace_special_string --match_string="MAIL_FROM_ADDRESS=pixelfed" --replace_string=`MAIL_FROM_ADDRESS="$app"` --target_file="$install_dir/.env"
fi

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	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" --keep=".env"
fi

chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"
# Pixelfed app should be able to edit its settings from the admin panel
chmod 600 "$install_dir"/.env

#=================================================
# PATCHING SOURCE
#=================================================
ynh_script_progression --message="Patching source files..." --weight=1

# Prevent privilege escalation by injecting commands in an email name
# This described in more detail on the manpage https://www.postfix.org/sendmail.1.html under security
ynh_replace_string --match_string="'/usr/sbin/sendmail -bs'" --replace_string="'/usr/sbin/sendmail -bs -- '" --target_file=$install_dir/config/mail.php

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --group=www-data

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE COMPOSER DEPENDENCIES
#=================================================
ynh_script_progression --message="Updating composer..." --weight=1

ynh_exec_warn_less ynh_composer_exec --workdir="$install_dir" --commands="self-update --2"

ynh_exec_warn_less ynh_composer_exec --workdir="$install_dir" --commands="update"

#=================================================
# PATCH PERMISSIONS for v0.11.5 versions and higher
#=================================================
ynh_script_progression --message="Patching permissions (for version 0.11.5 and newer)..." --weight=1

# Default configuration doesn't work
ynh_replace_string --match_string="'private' => 0700," --replace_string="'private' => 0750," --target_file=$install_dir/config/filesystems.php

# Repair permissions for files created after v0.11.5 and before this patch
if [ -d "$install_dir/public/storage/m/_v2/" ]; then
  chmod 750 -R "$install_dir/public/storage/m/_v2/"* # all files subdirectories (picture folders) should be readable and executable. But if there is no picture, there is no /*/*
  chmod 770 "$install_dir/public/storage/m/_v2/"* # users folders should be 770
  chmod 770 "$install_dir/public/storage/m/_v2/" # this should be 770
  chown -R :www-data "$install_dir/public/storage/m/_v2/" # Fix the mess following packaging v2 upgrade - and make sure proper group owner is set.
fi

#=================================================
# DEPLOYMENT
#=================================================
ynh_script_progression --message="Deploying..."

pushd "$install_dir"
	php$phpversion artisan horizon:install
	php$phpversion artisan horizon:publish
	php$phpversion artisan passport:keys --force
	php$phpversion artisan config:clear
	php$phpversion artisan config:cache
	php$phpversion artisan route:clear
	php$phpversion artisan route:cache
	php$phpversion artisan view:clear
	php$phpversion artisan view:cache
	php$phpversion artisan storage:link
	php$phpversion artisan migrate --force
	php$phpversion artisan update
	php$phpversion artisan horizon:purge
	php$phpversion artisan import:cities 2>/dev/null
	php$phpversion artisan instance:actor
	php$phpversion artisan passport:client --personal <<< "\\n"
popd

#=================================================
# CREATE LOG FILE
#=================================================
ynh_script_progression --message="Creating log file..." --weight=1

mkdir -p "/var/log/$app/"
touch "/var/log/$app/${app}-horizon.log"
chown -R $app: "/var/log/$app/"
chmod -R 600 "/var/log/$app/"

#=================================================
# UPGRADE THE CRON FILE
#=================================================
ynh_script_progression --message="Upgrading cron file..." --weight=1

ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"

#=================================================
# SETUP SUPERVISOR
#=================================================
ynh_script_progression --message="Upgrading supervisor configuration..." --weight=1

# Create a dedicated supervisor config
ynh_add_supervisor_config --service="${app}-horizon" --template=horizon.conf

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

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

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add "supervisor" --description="Supervisor daemon for $app" --log="/var/log/$app/${app}-horizon.log"

#=================================================
# START SUPERVISOR SERVICE
#=================================================
ynh_script_progression --message="Starting a supervisor service..." --weight=1

ynh_supervisor_action --service_name="${app}-horizon" --action="start" --log_path="systemd" --line_match="success: ${app}-horizon"

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

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