import { sqliteTable, text, integer, real, index, type AnySQLiteColumn } from "drizzle-orm/sqlite-core";

export interface DeviceCapabilities {
  /** Buttplug OutputType strings (Vibrate/Rotate/Position/...) present on any feature. */
  outputs: string[];
  featureCount: number;
}

// No `users` table - the app is gated by a single ACCESS_PASSWORD env var
// (see lib/auth/session.ts), not a persisted account.

export const devices = sqliteTable("devices", {
  id: integer("id").primaryKey({ autoIncrement: true }),
  displayName: text("display_name"),
  // Web Bluetooth exposes no stable hardware id, only the advertised name -
  // this is the best identity key available across browser sessions.
  bleName: text("ble_name").notNull(),
  deviceClass: text("device_class"),
  capabilities: text("capabilities", { mode: "json" }).$type<DeviceCapabilities>(),
  createdAt: integer("created_at").notNull(),
  lastConnectedAt: integer("last_connected_at"),
});

export const sessions = sqliteTable("sessions", {
  id: integer("id").primaryKey({ autoIncrement: true }),
  name: text("name"),
  description: text("description"),
  kind: text("kind", { enum: ["live", "replay"] }).notNull(),
  // Self-referencing: which session's events this session replayed, if any.
  replayedSessionId: integer("replayed_session_id").references((): AnySQLiteColumn => sessions.id, {
    onDelete: "set null",
  }),
  status: text("status", { enum: ["active", "completed", "aborted"] }).notNull().default("active"),
  startedAt: integer("started_at").notNull(),
  endedAt: integer("ended_at"),
  durationMs: integer("duration_ms"),
  notes: text("notes"),
  // How many times (and when) this session's events have been replayed -
  // any completed session can be a replay source, there's no separate
  // "saved recording" concept anymore.
  playCount: integer("play_count").notNull().default(0),
  lastPlayedAt: integer("last_played_at"),
});

export const sessionDevices = sqliteTable(
  "session_devices",
  {
    id: integer("id").primaryKey({ autoIncrement: true }),
    sessionId: integer("session_id")
      .notNull()
      .references(() => sessions.id, { onDelete: "cascade" }),
    deviceId: integer("device_id")
      .notNull()
      .references(() => devices.id, { onDelete: "restrict" }),
    slotLabel: text("slot_label").notNull(),
    connectedAt: integer("connected_at").notNull(),
    disconnectedAt: integer("disconnected_at"),
  },
  (table) => [index("session_devices_session_id_idx").on(table.sessionId)],
);

export const sessionEvents = sqliteTable(
  "session_events",
  {
    id: integer("id").primaryKey({ autoIncrement: true }),
    sessionId: integer("session_id")
      .notNull()
      .references(() => sessions.id, { onDelete: "cascade" }),
    sessionDeviceId: integer("session_device_id")
      .notNull()
      .references(() => sessionDevices.id, { onDelete: "cascade" }),
    // Relative to the session's startedAt, not wall-clock - keeps timeline
    // math and replay scheduling drift-free and reproducible.
    tsMs: integer("ts_ms").notNull(),
    commandType: text("command_type", { enum: ["vibrate", "rotate", "linear", "stop"] }).notNull(),
    featureIndex: integer("feature_index").notNull(),
    value: real("value").notNull(),
    durationMs: integer("duration_ms"),
    rawPayload: text("raw_payload", { mode: "json" }),
  },
  (table) => [
    index("session_events_session_ts_idx").on(table.sessionId, table.tsMs),
    index("session_events_session_device_idx").on(table.sessionDeviceId),
  ],
);