-- 0022_mcp_probe_and_oauth
-- Add probe status fields and auth_type to mcp_connections; create mcp_oauth_tokens table

ALTER TABLE mcp_connections
  ADD COLUMN IF NOT EXISTS status TEXT NOT NULL DEFAULT 'unknown',
  ADD COLUMN IF NOT EXISTS tools_cache JSONB NOT NULL DEFAULT '[]'::jsonb,
  ADD COLUMN IF NOT EXISTS last_probed_at TIMESTAMPTZ,
  ADD COLUMN IF NOT EXISTS status_message TEXT NOT NULL DEFAULT '',
  ADD COLUMN IF NOT EXISTS auth_type TEXT NOT NULL DEFAULT 'none';

CREATE TABLE IF NOT EXISTS mcp_oauth_tokens (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  connection_id UUID NOT NULL UNIQUE REFERENCES mcp_connections(id) ON DELETE CASCADE,
  resource_metadata_url TEXT NOT NULL DEFAULT '',
  authorization_server_url TEXT NOT NULL DEFAULT '',
  authorization_endpoint TEXT NOT NULL DEFAULT '',
  token_endpoint TEXT NOT NULL DEFAULT '',
  registration_endpoint TEXT NOT NULL DEFAULT '',
  scopes_supported TEXT[] NOT NULL DEFAULT '{}',
  client_id TEXT NOT NULL DEFAULT '',
  client_secret TEXT NOT NULL DEFAULT '',
  access_token TEXT NOT NULL DEFAULT '',
  refresh_token TEXT NOT NULL DEFAULT '',
  token_type TEXT NOT NULL DEFAULT 'Bearer',
  expires_at TIMESTAMPTZ,
  scope TEXT NOT NULL DEFAULT '',
  pkce_code_verifier TEXT NOT NULL DEFAULT '',
  state_param TEXT NOT NULL DEFAULT '',
  resource_uri TEXT NOT NULL DEFAULT '',
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_mcp_oauth_tokens_connection_id ON mcp_oauth_tokens(connection_id);