#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --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=adminusername)
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)
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --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 Kanboard before upgrading (may take a while)..." --weight=5

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=3

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

mkdir -p $final_path/sessions/

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --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..." --weight=5

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --package="$extra_php_dependencies"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CREATE CONFIG.PHP
#=================================================
ynh_script_progression --message="Reconfiguring Kanboard..." --weight=2

# Retrieve admin email
email=$(ynh_user_get_info --username=$admin --key=mail)

# Copy and edit config.php
config_php="${final_path}/config.php"

ynh_backup_if_checksum_is_different --file="$config_php"

cp ../conf/config.php "$config_php"
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$config_php"
ynh_replace_string --match_string="__DB_NAME__" --replace_string=$db_name --target_file="$config_php"
ynh_replace_string --match_string="__USER__"    --replace_string=$admin   --target_file="$config_php"
ynh_replace_string --match_string="__EMAIL__"   --replace_string=$email   --target_file="$config_php"
ynh_replace_string --match_string="__DOMAIN__"  --replace_string=$domain  --target_file="$config_php"

#=================================================
# UPGRADE KANBOARD
#=================================================
ynh_script_progression --message="Upgrading Kanboard..." --weight=2

(
	cd "$final_path"
	# Launch database migration
	php$YNH_PHP_VERSION cli db:migrate --no-interaction --verbose
	# Launch plugins migration
	php$YNH_PHP_VERSION cli plugin:upgrade --no-interaction --verbose
)

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

# Set permissions to app files
chown -R root: $final_path
chown -R $app $final_path/{data,plugins,sessions}
chmod -R 700 $final_path/sessions

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Reconfiguring Fail2Ban..." --weight=7

ynh_add_fail2ban_config --logpath="/var/log/nginx/$domain-error.log" --failregex="^.*authentication failure\" while reading response header from upstream, client: <HOST>,.*$" --max_retry=5

#=================================================
# SETUP CRON
#=================================================
ynh_script_progression --message="Setuping a cron..."

cp ../conf/cron_kanboard /etc/cron.d/$app
ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path/" --target_file="/etc/cron.d/$app"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="/etc/cron.d/$app"
ynh_replace_string --match_string="__PHPVERSION__" --replace_string="$phpversion" --target_file="/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Upgrading SSOwat configuration..." --weight=2

# Make app public or private
if [ $is_public -eq 1 ]
then
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
	ynh_replace_string --match_string="define('LDAP_AUTH'.*$"        --replace_string="define('LDAP_AUTH', true);"        --target_file="$config_php"
	ynh_replace_string --match_string="define('HIDE_LOGIN_FORM'.*$"  --replace_string="define('HIDE_LOGIN_FORM', false);" --target_file="$config_php"
	ynh_replace_string --match_string="define('REMEMBER_ME_AUTH'.*$" --replace_string="define('REMEMBER_ME_AUTH', true);" --target_file="$config_php"
	ynh_replace_string --match_string="define('DISABLE_LOGOUT'.*$"   --replace_string="define('DISABLE_LOGOUT', false);"  --target_file="$config_php"
else
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/jsonrpc.php"
fi

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

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

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Installation of Kanboard completed" --last