-- Add contact link to tickets (optional FK to #__contact_details)
ALTER TABLE `#__mokosuiteclient_tickets`
  ADD COLUMN `contact_id` INT UNSIGNED DEFAULT NULL AFTER `category_id`,
  ADD KEY `idx_contact` (`contact_id`);

-- Multi-assignee junction table (replaces single assigned_to column)
CREATE TABLE IF NOT EXISTS `#__mokosuiteclient_ticket_assignees` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `ticket_id` INT UNSIGNED NOT NULL,
  `assignee_type` ENUM('user','group') NOT NULL DEFAULT 'user',
  `assignee_id` INT NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `idx_unique_assignment` (`ticket_id`, `assignee_type`, `assignee_id`),
  KEY `idx_ticket` (`ticket_id`),
  KEY `idx_assignee` (`assignee_type`, `assignee_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Migrate existing single-assignee data to junction table
INSERT IGNORE INTO `#__mokosuiteclient_ticket_assignees` (`ticket_id`, `assignee_type`, `assignee_id`)
SELECT `id`, 'user', `assigned_to` FROM `#__mokosuiteclient_tickets` WHERE `assigned_to` IS NOT NULL AND `assigned_to` > 0;

-- Customizable ticket statuses (replaces ENUM)
CREATE TABLE IF NOT EXISTS `#__mokosuiteclient_ticket_statuses` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `title` VARCHAR(100) NOT NULL,
  `alias` VARCHAR(100) NOT NULL,
  `color` VARCHAR(30) NOT NULL DEFAULT 'bg-secondary',
  `is_default` TINYINT NOT NULL DEFAULT 0,
  `is_closed` TINYINT NOT NULL DEFAULT 0,
  `ordering` INT NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  UNIQUE KEY `idx_alias` (`alias`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

INSERT IGNORE INTO `#__mokosuiteclient_ticket_statuses` (`id`, `title`, `alias`, `color`, `is_default`, `is_closed`, `ordering`) VALUES
(1, 'Open',        'open',        'bg-primary',            1, 0, 1),
(2, 'In Progress', 'in_progress', 'bg-info',               0, 0, 2),
(3, 'Waiting',     'waiting',     'bg-warning text-dark',  0, 0, 3),
(4, 'Resolved',    'resolved',    'bg-success',            0, 0, 4),
(5, 'Closed',      'closed',      'bg-secondary',          0, 1, 5);

-- Customizable ticket priorities (replaces ENUM)
CREATE TABLE IF NOT EXISTS `#__mokosuiteclient_ticket_priorities` (
  `id` INT UNSIGNED NOT NULL AUTO_INCREMENT,
  `title` VARCHAR(100) NOT NULL,
  `alias` VARCHAR(100) NOT NULL,
  `color` VARCHAR(30) NOT NULL DEFAULT 'bg-secondary',
  `is_default` TINYINT NOT NULL DEFAULT 0,
  `weight` INT NOT NULL DEFAULT 0,
  `ordering` INT NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  UNIQUE KEY `idx_alias` (`alias`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

INSERT IGNORE INTO `#__mokosuiteclient_ticket_priorities` (`id`, `title`, `alias`, `color`, `is_default`, `weight`, `ordering`) VALUES
(1, 'Low',    'low',    'bg-secondary',          0, 10, 1),
(2, 'Normal', 'normal', 'bg-primary',            1, 20, 2),
(3, 'High',   'high',   'bg-warning text-dark',  0, 30, 3),
(4, 'Urgent', 'urgent', 'bg-danger',             0, 40, 4);

-- Add INT FK columns for status/priority (coexist with ENUM during migration)
ALTER TABLE `#__mokosuiteclient_tickets`
  ADD COLUMN `status_id` INT UNSIGNED DEFAULT NULL AFTER `status`,
  ADD COLUMN `priority_id` INT UNSIGNED DEFAULT NULL AFTER `priority`,
  ADD KEY `idx_status_id` (`status_id`),
  ADD KEY `idx_priority_id` (`priority_id`);

-- Populate new columns from existing ENUM values
UPDATE `#__mokosuiteclient_tickets` t
  JOIN `#__mokosuiteclient_ticket_statuses` s ON s.alias = t.status
  SET t.status_id = s.id
  WHERE t.status_id IS NULL;

UPDATE `#__mokosuiteclient_tickets` t
  JOIN `#__mokosuiteclient_ticket_priorities` p ON p.alias = t.priority
  SET t.priority_id = p.id
  WHERE t.priority_id IS NULL;

-- Junction: which Joomla field groups apply to which ticket categories
CREATE TABLE IF NOT EXISTS `#__mokosuiteclient_ticket_category_field_groups` (
  `category_id` INT UNSIGNED NOT NULL,
  `field_group_id` INT NOT NULL,
  PRIMARY KEY (`category_id`, `field_group_id`),
  KEY `idx_field_group` (`field_group_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;