#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
admin=$(ynh_app_setting_get --app=$app --key=admin)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
language=$(ynh_app_setting_get --app=$app --key=language)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
random_key=$(ynh_app_setting_get --app=$app --key=random_key)
email=$(ynh_user_get_info --username=$admin --key=mail)

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

upgrade_type=$(ynh_check_app_version_changed)

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

abort_if_up_to_date
# previous function is what defines 'version', more precisely the 'previous version'
previous_version="${version}"

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..."

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# Restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..."

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir=$final_path

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

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

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

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..."

ynh_install_app_dependencies $pkg_dependencies

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

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE PHP DEPENDENCIES
#=================================================
ynh_script_progression --message="Updating php dependencies..."

ynh_exec_warn_less ynh_composer_exec --phpversion="$phpversion" --workdir="$final_path" --commands="update"

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

config="$final_path/.env"
ynh_backup_if_checksum_is_different --file="$config"
cp ../conf/.env "$config"

ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$config"
ynh_replace_string --match_string="__RANDOM_KEY__" --replace_string="$random_key" --target_file="$config"
ynh_replace_string --match_string="__DB_USER__" --replace_string="$db_name" --target_file="$config"
ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$config"
ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$config"
ynh_replace_string --match_string="__EMAIL__" --replace_string="$email" --target_file="$config"
ynh_replace_string --match_string="__LANGUAGE__" --replace_string="$language" --target_file="$config"

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

pushd "$final_path"
	php$phpversion artisan monica:update --force
popd

if [ -f $final_path/storage/oauth-private.key ]; then
	mobile_id=$(ynh_app_setting_get --app=$app --key=mobile_id)
	mobile_key=$(ynh_app_setting_get --app=$app --key=mobile_key)
	ynh_replace_string --match_string="__MOBILE_ID__" --replace_string="$mobile_id" --target_file="$config"
	ynh_replace_string --match_string="__MOBILE_KEY__" --replace_string="$mobile_key" --target_file="$config"
else
	pushd "$final_path"
		php$phpversion artisan passport:keys
		php$phpversion artisan passport:client --password -n > key.txt
		mobile_id=$( tail -2 key.txt | head -1 | cut -c 12- )
		mobile_key=$( tail -1 key.txt | cut -c 16- )
		ynh_replace_string --match_string="__MOBILE_ID__" --replace_string="$mobile_id"   --target_file="$config"
		ynh_replace_string --match_string="__MOBILE_KEY__" --replace_string="$mobile_key"  --target_file="$config"
		ynh_app_setting_set --app=$app --key=mobile_id --value=$mobile_id
		ynh_app_setting_set --app=$app --key=mobile_key --value=$mobile_key
		rm -f key.txt
	popd
fi

if ynh_version_gt "2.15.0" "${previous_version}" ; then
	ynh_script_progression --message="Upgrading for 2.15.0..."
	pushd "$final_path"
		php$phpversion artisan monica:moveavatarstophotosdirectory
	popd
fi

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================
ynh_script_progression --message="Storing the config file checksum..."

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$config"

chmod 400 "$config"
chown $app:$app "$config"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

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

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