#!/bin/bash

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

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

ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS
#=================================================

phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
current_fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)

exec_occ() {
  (cd "$install_dir" && ynh_exec_as "$app" \
      php${phpversion} --define apc.enable_cli=1 occ --no-interaction --no-ansi "$@")
}

#=================================================
# SPECIFIC GETTERS FOR TOML SHORT KEY
#=================================================

get__maintenance_mode() {
    # Maintenance mode status
    maintenance_mode_status="$(cd "$install_dir" && ynh_exec_as "$app" \
        php${phpversion} --define apc.enable_cli=1 occ --no-interaction --no-ansi maintenance:mode)" 2> /dev/null
    if echo $maintenance_mode_status | grep -q "disabled"
    then
        echo "0"
    elif echo $maintenance_mode_status | grep -q "enabled"
    then
        echo "1"
    else
        ynh_print_err --message="Unexpected output from maintenance status check command."
        exit 0
    fi
}

get__system_addressbook_exposed() {
	echo $(exec_occ config:app:get dav system_addressbook_exposed)
}

get__fpm_footprint() {
    # Free footprint value for php-fpm
    # Check if current_fpm_footprint is an integer
    if [ "$current_fpm_footprint" -eq "$current_fpm_footprint" ] 2> /dev/null
    then
        echo "specific"
    else
        echo "$current_fpm_footprint"
    fi
}

get__fpm_free_footprint() {
    # Free footprint value for php-fpm
    # Check if current_fpm_footprint is an integer
    if [ "$current_fpm_footprint" -eq "$current_fpm_footprint" ] 2> /dev/null
    then
        # If current_fpm_footprint is an integer, that's a numeric value for the footprint
        echo "$current_fpm_footprint"
    else
        echo "0"
    fi
}

#=================================================
# SPECIFIC SETTERS FOR TOML SHORT KEYS
#=================================================

set__maintenance_mode() {
    if [ "$maintenance_mode" -eq "0" ]; then
        # If maintenance_mode was set to 0, disable maintenance mode
        exec_occ maintenance:mode --off
        ynh_print_info "Maintenance mode disabled"
    elif [ "$maintenance_mode" -eq "1" ]; then
        # If maintenance_mode was set to 1, enable maintenance mode
        exec_occ maintenance:mode --on
        ynh_print_info "Maintenance mode enabled"
    fi
    ynh_app_setting_set --app=$app --key=maintenance_mode --value="$maintenance_mode"
}

set__system_addressbook_exposed() {
	exec_occ config:app:set dav system_addressbook_exposed --value="$system_addressbook_exposed"
	ynh_print_info "System addressbook is exposed: $system_addressbook_exposed"
}


set__enable_notify_push() {
    if [ "$enable_notify_push" -eq "0" ]; then
        nginx_extra_conf_dir="/etc/nginx/conf.d/$domain.d/$app.d"
        ynh_secure_remove --file="$nginx_extra_conf_dir/notify_push.conf"
        ynh_systemd_action --service_name="nginx" --action=reload

        # If notify_push is enabled, disable it
        if exec_occ app:list | awk '/Enabled/{f=1;next} f' | grep -q -w notify_push; then
            exec_occ app:disable notify_push
        fi

        ynh_remove_systemd_config --service="${app}-notify-push"
        systemctl disable --now "${app}-notify-push-watcher.path"
        ynh_secure_remove --file="/etc/systemd/system/${app}-notify-push-watcher.path"
        ynh_remove_systemd_config --service="${app}-notify-push-watcher"

        ynh_print_info "Notify push disabled"
    elif [ "$enable_notify_push" -eq "1" ]; then
        nginx_extra_conf_dir="/etc/nginx/conf.d/$domain.d/$app.d"
        mkdir -p "$nginx_extra_conf_dir"

        ynh_add_config --template="notify_push.conf" --destination="$nginx_extra_conf_dir/notify_push.conf"

        ynh_systemd_action --service_name="nginx" --action=reload

        # If notify_push is disabled, reenable it
        if exec_occ app:list | awk '/Disabled/{f=1;next} f' | grep -q -w notify_push; then
            exec_occ app:enable notify_push
        # If notify_push is not installed, install it
        elif ! exec_occ app:list | awk '/Enabled/{f=1;next} /Disabled/{f=0} f' | grep -q -w notify_push; then
            exec_occ app:install notify_push
        fi
        exec_occ config:app:set notify_push base_endpoint --value https://$domain${path_url%/}/push

        mkdir -p /var/run/$app/
        chown $app: /var/run/$app/

        case $YNH_ARCH in
            amd64) arch="x86_64";;
            arm64) arch="aarch64";;
            armel|armhf) arch="armv7";;
        esac

        ynh_add_config --template="watcher.path" --destination="/etc/systemd/system/${app}-notify-push-watcher.path"
        ynh_add_systemd_config --service="${app}-notify-push-watcher" --template="watcher.service"
        systemctl enable --now ${app}-notify-push-watcher.path
        ynh_add_systemd_config --service="${app}-notify-push"
        
        count=0
        while ! ynh_exec_as "$app" php${phpversion} --define apc.enable_cli=1 $install_dir/cron.php && [[ $count -lt 30 ]]
        do
            sleep 1
            count=$((count + 1))
        done

        ynh_systemd_action --service_name="${app}-notify-push-watcher" --action=restart
        ynh_systemd_action --service_name="${app}-notify-push" --action=restart --line_match="Push daemon for Nextcloud clients." --log_path="systemd"
        
        if ! exec_occ notify_push:self-test; then
            ynh_print_warn --message="The High Performance Backend service is still not working properly. Please log in with a user to your NextCloud instance, restart the High Performance Backend service with \"systemctl restart ${app}-notify-push.service\", and run \"sudo -u $app php${phpversion} $install_dir/occ notify_push:self-test\" to verify that everything is green."
        fi
        ynh_print_info "Notify push enabled"
    fi
    ynh_app_setting_set --app=$app --key=enable_notify_push --value="$enable_notify_push"
}

set__fpm_footprint() {
    if [ "$fpm_footprint" != "specific" ]
    then
        ynh_app_setting_set --app=$app --key=fpm_footprint --value="$fpm_footprint"
    fi
}

set__fpm_free_footprint() {
    if [ "$fpm_footprint" = "specific" ]
    then
        ynh_app_setting_set --app=$app --key=fpm_footprint --value="$fpm_free_footprint"
    fi
}

#=================================================
# SPECIFIC RUNNERS FOR TOML SHORT KEYS
#=================================================

function run__set_permissions_button() {
    local data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
    ynh_print_info "Set permissions, it may take some time..."
    chown -R $app:www-data "$install_dir"
    chown -R $app: "$data_dir"
    find $install_dir/ -type f -print0 | xargs -r0 chmod 0644
    find $install_dir/ -type d -print0 | xargs -r0 chmod 0755
    find $data_dir/data/ -type f -print0 | xargs -r0 chmod 0640
    find $data_dir/data/ -type d -print0 | xargs -r0 chmod 0750
    chmod 640 "$install_dir/config/config.php"
    chmod 755 /home/yunohost.app
    chmod 750 $install_dir
}

#=================================================
# GENERIC FINALIZATION
#=================================================

ynh_app_config_validate() {
    _ynh_app_config_validate

    if [ "${changed[fpm_usage]}" == "true" ] || [ "${changed[fpm_footprint]}" == "true" ] || [ "${changed[fpm_free_footprint]}" == "true" ]; then
        # If fpm_footprint is set to 'specific', use $fpm_free_footprint value.
        if [ "$fpm_footprint" = "specific" ]
        then
            fpm_footprint=$fpm_free_footprint
        fi

        if [ "$fpm_footprint" == "0" ]
        then
            ynh_print_err --message="When selecting 'specific', you have to set a footprint value into the field below."

            exit 0
        fi
    fi
}

ynh_app_config_apply() {
    _ynh_app_config_apply

    ynh_add_fpm_config
}

ynh_app_config_run $1