-- Connector-Instanzen (Verbindungen zu Providern) und synchronisierte Ressourcen
CREATE TABLE connector_instances (
  id CHAR(36) PRIMARY KEY,
  connector_key VARCHAR(50) NOT NULL,
  name VARCHAR(100) NOT NULL UNIQUE,
  config_json JSON NOT NULL,
  secrets_enc TEXT NULL,
  enabled TINYINT(1) NOT NULL DEFAULT 1,
  sync_interval_sec INT NOT NULL DEFAULT 300,
  health ENUM('unknown','ok','down') NOT NULL DEFAULT 'unknown',
  health_message VARCHAR(300) NULL,
  capabilities_json JSON NULL,
  last_ok_at DATETIME(3) NULL,
  last_sync_at DATETIME(3) NULL,
  last_error VARCHAR(500) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3)
);

-- Ressource = lokaler Spiegel eines Provider-Objekts (Lizenz, Hosting-Konto, ...). Provider-Rohdaten bleiben im Connector.
CREATE TABLE resources (
  id CHAR(36) PRIMARY KEY,
  instance_id CHAR(36) NOT NULL,
  external_ref VARCHAR(100) NOT NULL,
  type VARCHAR(30) NOT NULL,
  name VARCHAR(300) NOT NULL,
  state ENUM('active','suspended','expired','error','unknown') NOT NULL DEFAULT 'unknown',
  org_id CHAR(36) NULL,
  valid_from DATETIME(3) NULL,
  valid_until DATETIME(3) NULL,
  data_json JSON NULL,
  customer_actions JSON NOT NULL DEFAULT '[]',
  synced_at DATETIME(3) NOT NULL,
  missing_since DATETIME(3) NULL,
  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
  UNIQUE KEY uq_instance_ref (instance_id, external_ref),
  INDEX (org_id),
  FOREIGN KEY (instance_id) REFERENCES connector_instances(id) ON DELETE CASCADE,
  FOREIGN KEY (org_id) REFERENCES organizations(id) ON DELETE SET NULL
);