SET autocommit=0;
USE provisioning;

CREATE TABLE `voip_time_sets` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `reseller_id` int(11) unsigned NOT NULL,
  `contract_id` int(11) unsigned,
  `subscriber_id` int(11) unsigned,
  `name` varchar(90) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `name_UNIQUE` (`name`),
  KEY `v_ts_rid_idx` (`reseller_id`),
  KEY `v_ts_cid_idx` (`contract_id`),
  CONSTRAINT `v_ts_sid_ref` FOREIGN KEY (`subscriber_id`) REFERENCES `voip_subscribers` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `voip_time_periods` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `time_set_id` int(11) unsigned NOT NULL,
  `start` timestamp NOT NULL,
  `end` timestamp NOT NULL,
  `freq` enum('secondly','minutely','hourly','daily','weekly','monthly','yearly'), -- COMMENT 'null means no recurrence',
  `until` timestamp NULL,
  `count` int(11),
  `interval` int(11),
  `bysecond` varchar(45),
  `byminute` varchar(45),
  `byhour` varchar(45),
  `byday` varchar(45),
  `bymonthday` varchar(45),
  `byyearday` varchar(45),
  `byweekno` varchar(45),
  `bymonth` varchar(45),
  `bysetpos` int(11),
  `comment` text,
  PRIMARY KEY (`id`),
  CONSTRAINT `v_tp_tsid_ref` FOREIGN KEY (`time_set_id`) REFERENCES `voip_time_sets` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE VIEW `v_time_sets_ical` AS
SELECT s.id, s.name,
    concat (
        "BEGIN:VCALENDAR\n",
        "PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN\n",
        "VERSION:2.0\n\n",
        GROUP_CONCAT(concat(
            "BEGIN:VEVENT\n",
            "UID:","sipwise",p.id,"@sipwise",s.id,"\n",
            "SUMMARY:",s.name," event ",p.id,"\n",
            "DTSTART:",DATE_FORMAT(p.start,'%Y%m%dT%H%i%s'),"\n",
            "RRULE:",
                "FREQ=",p.freq,
                IFNULL(CONCAT(";COUNT=",     p.`count`),''),
                IFNULL(CONCAT(";UNTIL=",     DATE_FORMAT(p.until,'%Y%m%dT%H%i%s')),''),
                IFNULL(CONCAT(";INTERVAL=",  p.`interval`),''),
                IFNULL(CONCAT(";BYSECOND=",  p.bysecond),''),
                IFNULL(CONCAT(";BYMINUTE=",  p.byminute),''),
                IFNULL(CONCAT(";BYHOUR=",    p.byhour),''),
                IFNULL(CONCAT(";BYDAY=",     p.byday),''),
                IFNULL(CONCAT(";BYMONTHDAY=",p.bymonthday),''),
                IFNULL(CONCAT(";BYYEARDAY=", p.byyearday),''),
                IFNULL(CONCAT(";BYWEEKNO=",  p.byweekno),''),
                IFNULL(CONCAT(";BYMONTH=",   p.bymonth),''),
                IFNULL(CONCAT(";BYSETPOS=",  p.bysetpos),''),
                "\n",
            IFNULL(CONCAT("DESCRIPTION:",p.`comment`,"\n"),''),
            "END:VEVENT\n"
        )SEPARATOR '\n'),
        "END:VCALENDAR\n"
    ) AS ical
FROM provisioning.voip_time_sets s JOIN voip_time_periods p ON s.id = p.time_set_id
GROUP BY s.id;

ALTER TABLE `provisioning`.`voip_peer_groups`
  ADD COLUMN `time_set_id` INT(11) unsigned,
  ADD CONSTRAINT `vpg_time_set_ref` FOREIGN KEY (`time_set_id`) REFERENCES `voip_time_sets` (`id`) ON UPDATE CASCADE;

COMMIT;