-- ai 0001: adopt_ai_tables
-- Generated by termix-plugin migrations. Review before committing.
-- Hand-edited: keeps the legacy foreign key from messages and proposals to
-- their conversation, which the SDK cannot declare.

CREATE TABLE IF NOT EXISTS `ai_providers` (
  `id` int AUTO_INCREMENT PRIMARY KEY,
  `user_id` varchar(255) NOT NULL,
  `provider_type` text NOT NULL,
  `label` varchar(255) NOT NULL,
  `base_url` text,
  `api_key_prefix` text,
  `default_model` text,
  `enabled` boolean NOT NULL DEFAULT true,
  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
  `updated_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
);
RENAME TABLE `ai_providers` TO `p_ai_providers`;
CREATE TABLE IF NOT EXISTS `ai_conversations` (
  `id` int AUTO_INCREMENT PRIMARY KEY,
  `user_id` varchar(255) NOT NULL,
  `title` text,
  `provider_id` int,
  `model` text,
  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
  `updated_at` varchar(255) NOT NULL DEFAULT (CURRENT_TIMESTAMP),
  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
);
RENAME TABLE `ai_conversations` TO `p_ai_conversations`;
CREATE TABLE IF NOT EXISTS `ai_messages` (
  `id` int AUTO_INCREMENT PRIMARY KEY,
  `conversation_id` int NOT NULL,
  `role` text NOT NULL,
  `content` text NOT NULL DEFAULT (''),
  `tool_calls` text,
  `created_at` varchar(255) NOT NULL DEFAULT (CURRENT_TIMESTAMP),
  FOREIGN KEY (`conversation_id`) REFERENCES `p_ai_conversations` (`id`) ON DELETE CASCADE
);
RENAME TABLE `ai_messages` TO `p_ai_messages`;
CREATE TABLE IF NOT EXISTS `ai_proposals` (
  `id` int AUTO_INCREMENT PRIMARY KEY,
  `conversation_id` int NOT NULL,
  `user_id` varchar(255) NOT NULL,
  `kind` varchar(255) NOT NULL,
  `summary` text,
  `payload` text NOT NULL DEFAULT ('{}'),
  `status` varchar(32) NOT NULL DEFAULT 'pending',
  `applied_at` text,
  `result_summary` text,
  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  FOREIGN KEY (`conversation_id`) REFERENCES `p_ai_conversations` (`id`) ON DELETE CASCADE
);
RENAME TABLE `ai_proposals` TO `p_ai_proposals`;