#!/bin/sh
#
# Author: Michael Geddes  <michael at frog dot wheelycreek dot net>
# Copyright 2008 Michael Geddes
# Licensed under GPL

ast_add_module lastcall

init_lastcall() {
 #
 ast_enable_type calllist
 ast_enable_type calllistdefault
}

check_add_calllist() {
	local context=${opt_calllist_zonename}
	if [ ! -z "$context" ] ; then
		logdebug 1 "Adding calllist context ${context}"
		[ -z $opt_calllist_dialplan ] && opt_calllist_dialplan=${opt_calllist_general_dialplan}
		[ -z $opt_calllist_dialplan ] && opt_calllist_dialplan=extensions
		[ -z $opt_calllist_listname ] && opt_calllist_listname=lastcall
		[ -z $opt_calllist_length ] && opt_calllist_length=${opt_calllist_general_length}
		[ -z $opt_calllist_length ] && opt_calllist_length=10
		[ -z $opt_calllist_dialcontext ] && opt_calllist_dialcontext=${opt_calllist_general_dialcontext}
		[ -z $opt_calllist_dialcontext ] && opt_calllist_dialcontext=default
		[ -z $opt_calllist_calltype ] && opt_calllist_calltype=macro
		
		[ -z ${opt_calllist_extension} ] \
			|| add_dialplan_lastcall ${opt_calllist_dialplan} "${opt_calllist_extension}" "${opt_calllist_listname}" "${opt_calllist_length}" "${opt_calllist_tagname}" "${opt_calllist_dialcontext}"
		enable_lastcall
		add_section_lastcall ${context} "${opt_calllist_listname}" "${opt_calllist_length}" "${opt_calllist_calltype}"
	fi
	for i in  zonename extension dialplan length listname ; do
		eval "unset opt_calllist_${i}"
	done
}

add_section_lastcall() {
	local context=$1
	local name=$2
	local queuelen=$3
	local calltype=$4

	[ "${calltype}" = "macro" ]  && context=macro-${1}

	if check_add_context ${context} ; then
		local ext="exten => s,"
		case "${calltype}" in
			gosub)
				enable_module app_stack
				append_dialplan_context ${context}  "${ext}1,Macro(lastcallstore,\${EXTEN},${name},${queuelen})"
				append_dialplan_context ${context}  "${ext}n,Return" ;;
			gosub_s)
				enable_module app_stack
				append_dialplan_context ${context}  "${ext}1,Macro(lastcallstore,\${ARG1},${name},${queuelen})"
				append_dialplan_context ${context}  "${ext}n,Return" ;;
			macro)
				enable_module app_macro
				append_dialplan_context ${context}  "${ext}1,Macro(lastcallstore,\${ARG1},${name},${queuelen})" ;;
		esac
	else
		logerror "Lastcall section ${context} already added"
	fi
}

handle_calllist() {
	check_add calllist
	logdebug 2 "Loading Call List: ${opt_calllist_zonename}"
	opt_calllist_zonename=$1
	option_cb() {
		case "$1" in
			extension|dialplan|length|listname|calllist|tagname|dialcontext|calltype)
				logdebug 1 "Setting opt_calllist_$1=\"${2}\""
				eval "opt_calllist_${1}=\"${2}\"" ;;
			*)
				logerror "Unknown option $1 in calllist ${opt_calllist_zonename}" ;;
		esac
	}
}

handle_calllistdefault() {
	logdebug 2 "Loading Call List General options"
	option_cb() {
		case $1 in
			dialplan|length|dialcontext)
				eval "opt_calllist_general_${1}=\"${2}\"" ;;
			*) logerror "Unknown option $1 in calllistdefault" ;;
		esac
	}
}

add_dialplan_lastcall(){
	local context=$1
	logdebug 1 "Adding Dialplan lastcall $1 $2"
	check_add_context "$context"
	enable_lastcall
	local queue=$3
	local len=$4
	local tag=$5
	local dialcontext=$6
	[ "${queue}" == lastcall ] && queue=
	append dialplan_context_${context} "exten => $2,1,Macro(lastcallapp,${queue},${len},${dialcontext},${tag})" "${N}"
}

enable_lastcall() {
	if [ "${dialplan_do_add_lastcall}" != "1" ] ; then
		logdebug 2 "Enabling lastcall"
		append dialplan_globals "LASTCALLZONE=\"${asterisk_zone}\"" "$N"
		append_include "macros/lastcall.conf"
		dialplan_do_add_lastcall=1
		enable_module app_macro
		enable_module func_callerid
		enable_module app_sayunixtime
		enable_module app_playback
		enable_module func_db
		enable_format gsm
	fi
}
# vim: ts=2 sw=2 noet foldmethod=indent