-- ==========================================
-- Chat Switchboard — 020 Multi-Replica HA
-- ==========================================
-- Shared state tables for multi-replica operation.
-- v0.32.0: ws_tickets, rate_limit_counters.
-- SQLite parity — functional for single-process test coverage.
-- ==========================================

-- =========================================
-- WEBSOCKET TICKETS
-- =========================================

CREATE TABLE IF NOT EXISTS ws_tickets (
    id         TEXT PRIMARY KEY,
    user_id    TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    expires_at TEXT NOT NULL
);

CREATE INDEX IF NOT EXISTS idx_ws_tickets_expires
    ON ws_tickets (expires_at);

-- =========================================
-- RATE LIMIT COUNTERS
-- =========================================

CREATE TABLE IF NOT EXISTS rate_limit_counters (
    key          TEXT NOT NULL,
    window_start TEXT NOT NULL,
    tokens       REAL NOT NULL DEFAULT 0,
    PRIMARY KEY (key, window_start)
);

CREATE INDEX IF NOT EXISTS idx_rate_limit_counters_window
    ON rate_limit_counters (window_start);