import pg from 'pg'

const { Pool } = pg
export const pool = new Pool({ connectionString: process.env.DATABASE_URL })

export async function initDb() {
  await pool.query(`
    CREATE TABLE IF NOT EXISTS report_runs (
      id          SERIAL PRIMARY KEY,
      report_id   TEXT NOT NULL,
      report_name TEXT NOT NULL,
      user_email  TEXT NOT NULL,
      date_from   DATE,
      date_to     DATE,
      row_count   INTEGER,
      duration_ms INTEGER,
      error       TEXT,
      ran_at      TIMESTAMPTZ NOT NULL DEFAULT NOW()
    );
    CREATE INDEX IF NOT EXISTS report_runs_ran_at_idx  ON report_runs (ran_at DESC);
    CREATE INDEX IF NOT EXISTS report_runs_report_id_idx ON report_runs (report_id);
  `)
}