#!/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)
language=$(ynh_app_setting_get --app=$app --key=language)
admin=$(ynh_app_setting_get --app=$app --key=admin)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)

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

upgrade_type=$(ynh_check_app_version_changed)

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

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

#=================================================
# 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=$app --home_dir="$final_path"

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

if grep 'qa-ldap-login' "$final_path/qa-include/pages/login.php"
then
	has_ldap=1
else
	has_ldap=0
	ynh_print_warn "The LDAP plugin will be installed, but not configured, you'll have to do it in the Question2Answer admin"
fi

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --time --weight=1

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

	# Setup LDAP
	wget -O qa-ldap-login.zip https://github.com/zakkak/qa-ldap-login/archive/$ldap_login_commit.zip 2>&1
	unzip qa-ldap-login.zip -d $final_path/qa-plugin
	mv $final_path/qa-plugin/qa-ldap-login-$ldap_login_commit $final_path/qa-plugin/qa-ldap-login

	ynh_replace_string\
		--match_string="require_once QA_INCLUDE_DIR . 'db/selects.php';"\
		--replace_string="require_once QA_INCLUDE_DIR . 'db/selects.php';\r\n		require_once QA_INCLUDE_DIR . '../qa-plugin/qa-ldap-login/qa-ldap-process.php';"\
		--target_file="$final_path/qa-include/pages/login.php"
fi

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

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

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPGRADE TRANSLATIONS
#=================================================
ynh_script_progression --message="Upgrading Translations..." --time --weight=1

### French
if [ $language == "fr" ]; then
	if [ -e $final_path/qa-lang/fr ]; then
		cd $final_path/qa-lang/fr
		git pull 2>&1
		cd -
	else
		git clone https://github.com/mrflos/q2a-lang-fr $final_path/qa-lang/fr 2>&1
	fi
fi

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

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

ynh_systemd_action --service_name=nginx --action=reload

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

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