import { pgTable, uuid, varchar, integer, timestamp } from 'drizzle-orm/pg-core';
import { jsonb } from 'drizzle-orm/pg-core';
import { questionBank } from './questionBank.js';

export const questionCacheMeta = pgTable('question_cache_meta', {
  id: uuid('id').primaryKey().defaultRandom(),
  questionBankId: uuid('question_bank_id')
    .notNull()
    .references(() => questionBank.id, { onDelete: 'cascade' }),
  llmModel: varchar('llm_model', { length: 100 }).notNull(),
  promptHash: varchar('prompt_hash', { length: 64 }).notNull(),
  generationTimeMs: integer('generation_time_ms').notNull(),
  rawResponse: jsonb('raw_response').$type<unknown>(),
  createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
});

export type QuestionCacheMeta = typeof questionCacheMeta.$inferSelect;
export type NewQuestionCacheMeta = typeof questionCacheMeta.$inferInsert;