#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================

update_version=$(ynh_app_upstream_version "../manifest.json")
current_version=$(ynh_app_setting_get --app=$app --key=version)

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# 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_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

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

# Create a dedicated nginx config
ynh_add_nginx_config

# Recreate a dedicated PHP-FPM config
ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint

#=================================================
# SPECIFIC UPGRADE
#=================================================
# MAKE SEQUENTIAL UPGRADES FROM EACH MAJOR
# VERSION TO THE NEXT ONE
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=60

	# Load the last available version
    source upgrade.d/upgrade.last.sh
    last_version=$next_version

	last_major_version=${last_version%%.*}

	# While the current version is not the last version, do an upgrade
    while [ "$last_version" != "$current_version" ]
    do

		# The major version is the first part of the version number
        current_major_version=${current_version%%.*}

        if [ ! -f upgrade.d/upgrade.$current_major_version.sh ]; then
            source upgrade.d/upgrade.last.sh
        else
            source upgrade.d/upgrade.$current_major_version.sh
        fi

		# If the current version has the same major version than the next one,
        # then it's the last upgrade to do
        # We also cover the case where the last version is the first of the current major version series
        # (e.g. 20.0.0 is the latest version)
        if [[ ("$last_major_version" -eq "$current_major_version") || ( ("$last_major_version" -eq "$((current_major_version+1))") && ("$next_version" == "$last_version") ) ]]; then
            current_major_version=last
        fi

		# Load the value for this version
        source upgrade.d/upgrade.$current_major_version.sh

		ynh_print_info --message="Upgrading app from $current_version to $next_version"

		# Create an app.src for this version of Dolibarr
        cat > ../conf/app.src << EOF
SOURCE_URL=https://github.com/Dolibarr/dolibarr/archive/$next_version.tar.gz
SOURCE_SUM=$dolibarr_source_sha256
SOURCE_SUM_PRG=sha256sum
SOURCE_FORMAT=tar.bz2
SOURCE_IN_SUBDIR=true
EOF


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

		chown -R $app: "$install_dir"

		# Remove the lock if it exists
		lock=$install_dir/documents/install.lock
		if [ -f $lock ]
		then
			ynh_secure_remove $lock
		fi

		mkdir -p /var/log/$app/

		# Upgrade with CURL

		charset=$(mysql -ss -N -e "SELECT default_character_set_name FROM information_schema.SCHEMATA WHERE schema_name = '$db_name'")
		if [ "$charset" != "utf8" ]
		then
			ynh_print_info --message="Changing Database charset to utf8"

			ynh_mysql_execute_as_root --database=$db_name --sql="ALTER DATABASE $db_name charset=utf8"

			ynh_local_curl  "/install/repair.php" \
					"force_utf8_on_tables=confirmed" > /var/log/$app/repair.html
		fi

		ynh_exec_fully_quiet sleep 5


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

		pushd $install_dir/htdocs/install/

		if php$phpversion upgrade.php $current_version $next_version > /var/log/$app/upgrade.html;  then
			ynh_print_info --message="Step 1 upgrading ended successfully"
		else
			ynh_die --message="Step 1 upgrading ended with error"
		fi

			ynh_exec_fully_quiet sleep 5

			if php$phpversion upgrade2.php $current_version $next_version > /var/log/$app/upgrade2.html; then
				ynh_print_info --message="Step 2 upgrading ended successfully"
			else
				ynh_die --message="Step 2 upgrading ended with error"
			fi

			ynh_exec_fully_quiet sleep 5

			if php$phpversion step5.php $current_version $next_version > /var/log/$app/upgrade3.html; then
				ynh_print_info --message="Step 3 upgrading ended successfully"
			else
				ynh_die  --message="Step 3 upgrading ended with error"
			fi
		popd


		# Get the new current version number
        current_version=$next_version
        current_major_version=${current_version%%.*}

		done

		if php$phpversion $install_dir/scripts/user/sync_users_ldap2dolibarr.php commitiferror --server=localhost -y; then
				ynh_print_info --message="LDAP user update ok"
		else
				ynh_print_info --message="LDAP user update ended with error"
		fi

		ynh_app_setting_set --app=$app --key=version --value=$update_version
fi

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

ynh_backup_if_checksum_is_different --file="$install_dir/htdocs/conf/conf.php"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$install_dir/htdocs/conf/conf.php"
chmod 644 "$install_dir/htdocs/conf/conf.php"

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

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=1

# Set permissions on app files
if [ ! -f "$data_dir/install.lock" ]; then
	echo 'This is a lock file to prevent use of install pages (set with permission 440)' > "$data_dir/install.lock"
	chown $app:$app "$data_dir/install.lock"
	chmod 440 "$data_dir/install.lock"
fi

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

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

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