CREATE TABLE IF NOT EXISTS market_data_snapshots (
  id              BIGSERIAL PRIMARY KEY,
  symbol          TEXT NOT NULL,
  asset_class     TEXT NOT NULL DEFAULT 'us_equity',
  feed            TEXT NOT NULL DEFAULT 'iex',
  metric          TEXT NOT NULL,
  price           NUMERIC,
  volume          NUMERIC,
  as_of           TIMESTAMPTZ NOT NULL,
  raw             JSONB,
  created_at      TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS market_data_snapshots_symbol_as_of_idx
  ON market_data_snapshots (symbol, as_of DESC);

CREATE TABLE IF NOT EXISTS trading_config_templates (
  name        TEXT PRIMARY KEY,
  config      JSONB NOT NULL,
  updated_at  TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS user_trading_config (
  firebase_uid  TEXT PRIMARY KEY REFERENCES users (firebase_uid) ON DELETE CASCADE,
  template_name TEXT REFERENCES trading_config_templates (name),
  config        JSONB NOT NULL DEFAULT '{}',
  enabled       BOOLEAN NOT NULL DEFAULT false,
  updated_at    TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS user_trading_state (
  firebase_uid       TEXT PRIMARY KEY REFERENCES users (firebase_uid) ON DELETE CASCADE,
  last_ingest_at     TIMESTAMPTZ,
  last_eval_at       TIMESTAMPTZ,
  context            JSONB NOT NULL DEFAULT '{}',
  updated_at         TIMESTAMPTZ NOT NULL DEFAULT now()
);

CREATE TABLE IF NOT EXISTS trade_orders (
  id                 UUID PRIMARY KEY,
  firebase_uid       TEXT NOT NULL REFERENCES users (firebase_uid) ON DELETE CASCADE,
  client_order_id    TEXT NOT NULL UNIQUE,
  alpaca_order_id    TEXT,
  symbol             TEXT NOT NULL,
  side               TEXT NOT NULL,
  order_type         TEXT NOT NULL,
  notional_usd       NUMERIC,
  qty                NUMERIC,
  status             TEXT NOT NULL,
  question_id        UUID REFERENCES questions (id),
  rule_id            TEXT,
  submitted_at       TIMESTAMPTZ,
  filled_at          TIMESTAMPTZ,
  raw                JSONB,
  created_at         TIMESTAMPTZ NOT NULL DEFAULT now()
);

INSERT INTO trading_config_templates (name, config)
VALUES (
  'default_paper_watchlist',
  '{
    "version": 1,
    "enabled": true,
    "mode": "paper",
    "data_inputs": [
      {
        "id": "primary_watchlist",
        "source": "alpaca",
        "asset_class": "us_equity",
        "symbols": ["AAPL", "MSFT", "SPY"],
        "feed": "iex",
        "poll_interval_seconds": 60,
        "metrics": ["last_trade", "daily_bar", "prev_close"]
      }
    ],
    "rules": [
      {
        "id": "dip_confirm",
        "type": "price_below_pct_of_ref",
        "symbol": "SPY",
        "ref_metric": "prev_close",
        "threshold_pct": -1.5,
        "question_template": "SPY is down {{pct}}% vs yesterday. Swipe +10 to approve a small buy, -10 to skip.",
        "on_answer_match": { "action": "propose_order", "side": "buy", "notional_usd": 10 }
      }
    ],
    "guardrails": {
      "max_orders_per_day": 3,
      "max_notional_usd_per_4h": 100,
      "require_question_before_order": true,
      "symbols_blocklist": []
    }
  }'::jsonb
)
ON CONFLICT (name) DO UPDATE SET
  config = EXCLUDED.config,
  updated_at = now();