USE mysql;

CREATE DATABASE carrier CHARACTER SET 'utf8';

USE carrier;

CREATE TABLE `customers` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `url` varchar(31) NOT NULL,
  `shopuser` varchar(31) NULL,
  PRIMARY KEY  (`id`),
  UNIQUE KEY `shopuser_idx` (`shopuser`)
) ENGINE=InnoDB;

CREATE TABLE `orders` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `customer_id` int(11) UNSIGNED NOT NULL REFERENCES `customers` (`id`),
  PRIMARY KEY  (`id`),
  KEY `customerid_idx` (`customer_id`),
  CONSTRAINT `o_customerid_ref` FOREIGN KEY (`customer_id`)
                                REFERENCES `customers` (`id`)
                                ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

CREATE TABLE `contracts` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `url` varchar(31) NOT NULL,
  `customer_id` int(11) UNSIGNED NULL REFERENCES `customers` (`id`),
  PRIMARY KEY  (`id`),
  KEY `customerid_idx` (`customer_id`),
  CONSTRAINT `c_customerid_ref` FOREIGN KEY (`customer_id`)
                                REFERENCES `customers` (`id`)
                                ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

CREATE TABLE `credits` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `contract_id` int(11) UNSIGNED NOT NULL REFERENCES `contracts` (`id`),
  PRIMARY KEY  (`id`),
  KEY `contractid_idx` (`contract_id`),
  CONSTRAINT `c_contractid_ref` FOREIGN KEY (`contract_id`)
                                REFERENCES `contracts` (`id`)
                                ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

CREATE TABLE `payments` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `order_id` int(11) UNSIGNED NULL REFERENCES `orders` (`id`),
  `credit_id` int(11) UNSIGNED NULL REFERENCES `credits` (`id`),
  PRIMARY KEY  (`id`),
  KEY `orderid_idx` (`order_id`),
  CONSTRAINT `p_orderid_ref` FOREIGN KEY (`order_id`)
                             REFERENCES `orders` (`id`)
                             ON DELETE CASCADE ON UPDATE CASCADE,
  KEY `creditid_idx` (`credit_id`),
  CONSTRAINT `p_creditid_ref` FOREIGN KEY (`credit_id`)
                              REFERENCES `credits` (`id`)
                              ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

CREATE TABLE `subscribers` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `username` varchar(127) NOT NULL,
  `domain` varchar(127) NOT NULL,
  `webusername` varchar(127) default NULL,
  `contract_id` int(11) UNSIGNED NOT NULL REFERENCES `contracts` (`id`),
  PRIMARY KEY  (`id`),
  UNIQUE KEY `usrdom_idx` (`username`, `domain`),
  UNIQUE KEY `domwebuser_idx` (`domain`, `webusername`),
  KEY `contractid_idx` (`contract_id`),
  CONSTRAINT `s_contractid_ref` FOREIGN KEY (`contract_id`)
                                REFERENCES `contracts` (`id`)
                                ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

CREATE TABLE `numbers` (
  `number` varchar(42) NOT NULL,
  `subscriber_id` int(11) UNSIGNED NULL REFERENCES `subscribers` (`id`),
  PRIMARY KEY `number_idx` (`number`),
  KEY `subscriberid_idx` (`subscriber_id`),
  CONSTRAINT `n_subscriberid_ref` FOREIGN KEY (`subscriber_id`)
                                  REFERENCES `subscribers` (`id`)
                                  ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB;

CREATE TABLE `interceptions` (
  `id` int(11) UNSIGNED NOT NULL auto_increment,
  `url` varchar(31) NOT NULL,
  PRIMARY KEY  (`id`)
) ENGINE=InnoDB;