-- Create agreement_templates table to store reusable training agreement templates

CREATE TABLE `agreement_templates` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `title` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `body` longtext NOT NULL,
  `course_id` int(11) DEFAULT NULL,
  `region` enum('usa','europe','africa','global') NOT NULL DEFAULT 'global',
  `is_active` tinyint(1) NOT NULL DEFAULT 1,
  `sort_order` int(11) NOT NULL DEFAULT 0,
  `created_by` int(11) DEFAULT NULL,
  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_course_id` (`course_id`),
  KEY `idx_region` (`region`),
  KEY `idx_is_active` (`is_active`),
  CONSTRAINT `fk_agreement_templates_course_id` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE SET NULL,
  CONSTRAINT `fk_agreement_templates_created_by` FOREIGN KEY (`created_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;