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 playSessions = sqliteTable("play_sessions", {
  id: integer("id").primaryKey({ autoIncrement: true }),
  name: text("name"),
  kind: text("kind", { enum: ["live", "replay"] }).notNull(),
  replayedRecordingId: integer("replayed_recording_id").references((): AnySQLiteColumn => recordings.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"),
});

export const sessionDevices = sqliteTable(
  "session_devices",
  {
    id: integer("id").primaryKey({ autoIncrement: true }),
    playSessionId: integer("play_session_id")
      .notNull()
      .references(() => playSessions.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_play_session_id_idx").on(table.playSessionId)],
);

export const sessionEvents = sqliteTable(
  "session_events",
  {
    id: integer("id").primaryKey({ autoIncrement: true }),
    playSessionId: integer("play_session_id")
      .notNull()
      .references(() => playSessions.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.playSessionId, table.tsMs),
    index("session_events_session_device_idx").on(table.sessionDeviceId),
  ],
);

export interface RecordingDeviceSlot {
  slotLabel: string;
  recordedBleName: string;
  deviceClass: string | null;
  capabilities: DeviceCapabilities | null;
  /** The original session_devices.id this slot was captured from - lets the
   *  replay UI map a chosen live device back to this slot's session_events. */
  sourceSessionDeviceId: number;
}

export const recordings = sqliteTable("recordings", {
  id: integer("id").primaryKey({ autoIncrement: true }),
  // A recording is a thin pointer over an already-captured play_session, not
  // a duplicated event pipeline - see lib/db/queries/recordings.ts for why.
  sourcePlaySessionId: integer("source_play_session_id")
    .notNull()
    .references(() => playSessions.id, { onDelete: "restrict" }),
  name: text("name").notNull(),
  description: text("description"),
  createdAt: integer("created_at").notNull(),
  durationMs: integer("duration_ms").notNull(),
  deviceSlots: text("device_slots", { mode: "json" }).$type<RecordingDeviceSlot[]>().notNull(),
  playCount: integer("play_count").notNull().default(0),
  lastPlayedAt: integer("last_played_at"),
});