#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --time --weight=1

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)
is_public=$(ynh_app_setting_get --app=$app --key=is_public)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
random_key=$(ynh_app_setting_get --app=$app --key=random_key)

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

upgrade_type=$(ynh_check_app_version_changed)

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

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=1
    is_public=1
    elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=0
    is_public=0
fi

# If db_name doesn't exist, create it
if [ -z $db_name ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
    final_path=/var/www/$app
	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --time --weight=1

# 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

#=================================================
# CHECK THE PATH
#=================================================

# Normalize the URL path syntax
path_url=$(ynh_normalize_url_path --path_url=$path_url)

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

# Create a temporary directory
tmpdir="$(mktemp -d)"
# Backup the config file in the temp dir
mkdir -p "$tmpdir/storage/upload"
mkdir -p "$tmpdir/storage/export"
mkdir -p "$final_path/storage/upload/"
mkdir -p "$final_path/storage/export/"
cp -a "$final_path/storage/upload/" "$tmpdir/storage/upload/"
cp -a "$final_path/storage/export/" "$tmpdir/storage/export/"

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

rm -rf "$final_path/bootstrap/cache/*"
cp -a "$tmpdir/storage/upload/" "$final_path/storage/upload/"
cp -a "$tmpdir/storage/export/"  "$final_path/storage/export/"

#remove tmp dir
sudo rm -Rf "$tmpdir"

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

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --time --weight=1

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1

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

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

# Create a dedicated php-fpm config
ynh_add_fpm_config --phpversion=7.2

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
ynh_backup_if_checksum_is_different --file="$final_path/CONFIG_FILE"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$final_path/CONFIG_FILE"

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

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# UPGRADE FAIL2BAN
#=================================================
# ynh_script_progression --message="Reconfiguring fail2ban..." --time --weight=1

# # Create a dedicated fail2ban config
#  ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="^.*authentication failure. while reading response header from upstream, client: <HOST>,.*POST $path_url.*$" --max_retry=5

#=================================================
# SPECIFIC UPGRADE
#=================================================
# Get the admin email
email=$(ynh_user_get_info --username=$admin --key='mail')

# setup application config
sudo  cp ../conf/.env $final_path/.env
#=================================================
# MODIFY A CONFIG FILE
#=================================================
ynh_replace_string --match_string"random_key" --replace_string="$random_key" --file="$final_path/.env"
ynh_replace_string --match_string"yunouser"   --replace_string="$db_name"    --file="$final_path/.env"
ynh_replace_string --match_string"yunopass"   --replace_string="$db_pwd"     --file="$final_path/.env"
ynh_replace_string --match_string"yunobase"   --replace_string="$db_name"    --file="$final_path/.env"
ynh_replace_string --match_string"yunomail"   --replace_string="$email"      --file="$final_path/.env"
ynh_replace_string --match_string"yunodomain" --replace_string="$domain"     --file="$final_path/.env"

init_composer $final_path
cd $final_path && sudo /usr/bin/php7.2 artisan migrate --env=production --force
cd $final_path && sudo /usr/bin/php7.2 artisan cache:clear
cd $final_path && sudo /usr/bin/php7.2 artisan firefly:upgrade-database
cd $final_path && sudo /usr/bin/php7.2 artisan firefly:verify
cd $final_path && sudo /usr/bin/php7.2 artisan passport:install

# Verify the checksum and backup the file if it's different
ynh_backup_if_checksum_is_different --file="$final_path/.env"
# Recalculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$final_path/.env"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set right permissions
chown -R $app: $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Upgrading SSOwat configuration..." --time --weight=1

# Make app public if necessary
if [ $is_public -eq 1 ]
then
    # unprotected_uris allows SSO credentials to be passed anyway
    ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --time --weight=1

ynh_systemd_action --service_name=nginx --action=reload
ynh_systemd_action --service_name=php7.2-fpm --action=reload

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

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