#!/bin/sh

# PROVIDE: dovecot
# REQUIRE: LOGIN
# BEFORE:  mail
# KEYWORD: shutdown

# Add the following lines to /etc/rc.conf to enable dovecot:
# dovecot_enable (bool):        Set it to YES to enable dovecot.
#                               Default: NO
# dovecot_config (str):         Path to dovecot.conf.
#                               Default: %%PREFIX%%/etc/dovecot/dovecot.conf
#                               Set it to a space-separated list to start
#                               multiple dovecot instances.
# dovecot_flags (str):          Extra flags to pass to dovecot.
#                               Default: empty

. %%RC_SUBR%%

name=dovecot
extra_commands="reload"
rcvar=dovecot_enable

# Read configuration and set defaults
load_rc_config ${name}
: ${dovecot_enable:="NO"}
: ${dovecot_config:="%%PREFIX%%/etc/dovecot/${name}.conf"}

# Service Jail support
dovecot_svcj_options="net_basic"

command="%%PREFIX%%/sbin/${name}"
doveconf="%%PREFIX%%/bin/doveconf"

# Use standard prestart hook for directory preparation
start_precmd="dovecot_prestart"
dovecot_prestart()
{
	if [ -n "${base_dir}" ]; then
		/usr/bin/install -o root -g wheel -m 0755 -d "${base_dir}"
	fi
}

# Custom stop function using dovecot's native stop command
dovecot_stop()
{
	echo "Stopping dovecot."
	# Execute native stop command within the specific configuration context
	${command} ${command_args} stop 2>/dev/null

	# Safely wait for the master process to completely release the pidfile
	if [ -n "${pidfile}" ]; then
		local i=0
		while [ -s "${pidfile}" -a $i -lt 14 ]; do
			sleep 0.5
			i=$((i + 1))
		done
	fi

	# Clean up base_dir after successful shutdown
	if [ -n "${base_dir}" ] && [ -d "${base_dir}" ]; then
		/usr/bin/find "${base_dir}" ! -type l -delete 2>/dev/null
	fi
}

# Custom reload function using dovecot's native reload command
dovecot_reload()
{
	echo "Reloading dovecot."
	${command} ${command_args} reload 2>/dev/null
}

# Main loop over all defined configurations
for config in ${dovecot_config}; do
	required_files="${config}"
	command_args="-c ${config}"

	if [ -s "${config}" ]; then
		doveconf_settings="$(${doveconf} -c ${config} -a 2>/dev/null)"
		if [ $? -ne 0 ]; then
			echo "==Error== Configuration file check failed for ${config}"
			continue
		fi

		# Parse base_dir and fall back to historical/standard location if empty
		base_dir="$(echo "$doveconf_settings" | /usr/bin/awk -F '= ' '/^base_dir =/ { print $2 }')"
		if [ -z "${base_dir}" ]; then
			base_dir="/var/run/dovecot"
		fi
		pidfile="${base_dir}/master.pid"
	else
		# Fallback context for administrative actions when config doesn't exist yet
		base_dir=""
		pidfile=""
	fi

	# Dynamically define stop_cmd and reload_cmd inside the loop context.
	# This ensures rc.subr executes dovecot_stop/dovecot_reload with the correct $command_args.
	stop_cmd="dovecot_stop"
	reload_cmd="dovecot_reload"

	run_rc_command "$1"
done