import { doublePrecision, jsonb, pgTable, primaryKey, serial, text, timestamp, varchar } from 'drizzle-orm/pg-core';

export const candles = pgTable(
  'candles',
  {
    pair: varchar('pair', { length: 16 }).notNull(),
    ts: timestamp('ts', { withTimezone: true }).notNull(),
    open: doublePrecision('open').notNull(),
    high: doublePrecision('high').notNull(),
    low: doublePrecision('low').notNull(),
    close: doublePrecision('close').notNull(),
    volume: doublePrecision('volume').notNull(),
  },
  (t) => [primaryKey({ columns: [t.pair, t.ts] })],
);

export const backtestRuns = pgTable('backtest_runs', {
  id: serial('id').primaryKey(),
  createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
  kind: text('kind').notNull(), // 'single' | 'walkforward'
  config: jsonb('config').notNull(),
  result: jsonb('result').notNull(),
});