-- Tabella delle tipologie di firma
CREATE TABLE IF NOT EXISTS `#__circolari_firmetipi` (
  `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  `nome` VARCHAR(100) NOT NULL,
  `descrizione` TEXT DEFAULT NULL,
  `bottoni_firma` TEXT DEFAULT NULL,
  `state` TINYINT(1) DEFAULT 1,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT COLLATE=utf8mb4_unicode_ci;

-- Tabella principale circolari
CREATE TABLE IF NOT EXISTS `#__circolari` (`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
`state` TINYINT(1) DEFAULT 1,
`ordering` INT(11) DEFAULT 0,
`checked_out` INT(11) UNSIGNED DEFAULT NULL,
`checked_out_time` DATETIME DEFAULT NULL,
`created_by` INT(11) UNSIGNED DEFAULT 0,
`modified_by` INT(11) UNSIGNED DEFAULT 0,
`categoria_id` INT(11) UNSIGNED NOT NULL DEFAULT 0,
`usergroup_id` INT(11) UNSIGNED NOT NULL DEFAULT 0,
`hits` INT(11) UNSIGNED NOT NULL DEFAULT 0,
`title` VARCHAR(255) DEFAULT "",
`alias` VARCHAR(255) NOT NULL DEFAULT '',
`description` TEXT,
`attachment` VARCHAR(255) DEFAULT "",
`image` VARCHAR(255) DEFAULT "",
`tipologia_firma_id` INT(11) UNSIGNED DEFAULT NULL,
`firma_obbligatoria` TINYINT(1) DEFAULT 0,
`scadenza` DATETIME DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `idx_state` (`state`),
KEY `idx_checked_out` (`checked_out`),
KEY `idx_created_by` (`created_by`),
KEY `idx_modified_by` (`modified_by`),
KEY `idx_tipologia_firma_id` (`tipologia_firma_id`),
KEY `idx_categoria_id` (`categoria_id`),
KEY `idx_usergroup_id` (`usergroup_id`),
KEY `idx_hits` (`hits`),
CONSTRAINT `fk_tipologia_firma`
  FOREIGN KEY (`tipologia_firma_id`)
  REFERENCES `#__circolari_firmetipi` (`id`)
  ON DELETE SET NULL
  ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT COLLATE=utf8mb4_unicode_ci;

-- Tabella firme
CREATE TABLE IF NOT EXISTS `#__circolari_firme` (
  `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  `circolare_id` INT(11) UNSIGNED NOT NULL,
  `user_id` INT(11) UNSIGNED NOT NULL,
  `firma` ENUM('presa_visione','aderisco','non_aderisco','non_in_servizio') NOT NULL,
  `data_firma` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `firma_unica` (`circolare_id`, `user_id`)
) ENGINE=InnoDB DEFAULT COLLATE=utf8mb4_unicode_ci;


-- Aggiunge tabella categorie interne per com_circolari e il campo categoria_id su #__circolari
CREATE TABLE IF NOT EXISTS `#__circolari_categorie` (
  `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  `title` VARCHAR(190) NOT NULL,
  `alias` VARCHAR(190) NOT NULL DEFAULT '',
  `description` TEXT DEFAULT NULL,
  `state` TINYINT(1) NOT NULL DEFAULT 1,
  `ordering` INT(11) NOT NULL DEFAULT 0,
  `created` DATETIME NULL DEFAULT NULL,
  `created_by` INT(10) UNSIGNED NULL DEFAULT NULL,
  `modified` DATETIME NULL DEFAULT NULL,
  `modified_by` INT(10) UNSIGNED NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `idx_alias` (`alias`)
) ENGINE=InnoDB DEFAULT COLLATE=utf8mb4_unicode_ci;


-- Bottoni associati al tipo di firma
CREATE TABLE IF NOT EXISTS `#__circolari_firmetipi_bottoni` (
  `id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  `firmatipo_id` INT(11) UNSIGNED NOT NULL,
  `label` VARCHAR(190) NOT NULL,
  `ordering` INT(11) NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  KEY `idx_firmatipo_id` (`firmatipo_id`),
  CONSTRAINT `fk_firmetipi_bottoni_firmatipo`
    FOREIGN KEY (`firmatipo_id`) REFERENCES `#__circolari_firmetipi` (`id`)
    ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT COLLATE=utf8mb4_unicode_ci;