-- +goose Up
-- Tenant AI / BYOK providers (OpenAI-compatible). Secrets: AES-GCM enc:v1:; never return plaintext.
-- Analytics field (coordinate): ai_provider_mode on jobs/products =
--   'internal' | 'popular:<name>' | 'custom'

CREATE TABLE ai_providers (
  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
  company_id UUID NOT NULL REFERENCES companies(id) ON DELETE CASCADE,
  mode TEXT NOT NULL DEFAULT 'internal'
    CHECK (mode IN ('internal', 'popular', 'custom')),
  popular_name TEXT NOT NULL DEFAULT '',
  base_url TEXT NOT NULL DEFAULT '',
  model TEXT NOT NULL DEFAULT '',
  api_key_enc TEXT NOT NULL DEFAULT '',
  api_key_last4 TEXT NOT NULL DEFAULT '',
  is_enabled BOOLEAN NOT NULL DEFAULT false,
  last_test_at TIMESTAMPTZ,
  last_test_status TEXT,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
  UNIQUE (company_id)
);

CREATE INDEX ai_providers_company_enabled_idx ON ai_providers (company_id, is_enabled);

ALTER TABLE processing_jobs
  ADD COLUMN IF NOT EXISTS ai_provider_mode TEXT NOT NULL DEFAULT 'internal';

ALTER TABLE processed_products
  ADD COLUMN IF NOT EXISTS ai_provider_mode TEXT NOT NULL DEFAULT 'internal';

CREATE INDEX IF NOT EXISTS processed_products_ai_provider_mode_idx
  ON processed_products (ai_provider_mode);

CREATE INDEX IF NOT EXISTS processed_products_company_ai_provider_mode_idx
  ON processed_products (company_id, ai_provider_mode);

CREATE INDEX IF NOT EXISTS processing_jobs_ai_provider_mode_idx
  ON processing_jobs (ai_provider_mode);

-- +goose Down
DROP INDEX IF EXISTS processing_jobs_ai_provider_mode_idx;
DROP INDEX IF EXISTS processed_products_company_ai_provider_mode_idx;
DROP INDEX IF EXISTS processed_products_ai_provider_mode_idx;
ALTER TABLE processed_products DROP COLUMN IF EXISTS ai_provider_mode;
ALTER TABLE processing_jobs DROP COLUMN IF EXISTS ai_provider_mode;
DROP TABLE IF EXISTS ai_providers;