CREATE TABLE setting (
  "key" TEXT PRIMARY KEY NOT NULL,
  partition_key TEXT,
  "value" ANY
) STRICT;

CREATE TABLE icon_cache (
  origin TEXT PRIMARY KEY NOT NULL,
  icon_data BLOB NOT NULL,
  fetch_date DATETIME NOT NULL
);

CREATE TABLE onboarding (
  revision INTEGER NOT NULL,
  completion_date DATETIME NOT NULL
);

CREATE TABLE riverpod (
  "key" TEXT PRIMARY KEY NOT NULL,
  json TEXT NOT NULL,
  expireAt DATETIME,
  destroyKey TEXT
) WITHOUT ROWID;

CREATE TABLE toolbar_button_configs (
  button_id   TEXT NOT NULL PRIMARY KEY,
  order_key   TEXT NOT NULL,
  is_visible  BOOLEAN NOT NULL DEFAULT TRUE,
  fallback_id TEXT REFERENCES toolbar_button_configs(button_id) ON DELETE SET NULL
);

CREATE INDEX idx_toolbar_order_key ON toolbar_button_configs(order_key);

-- All four queries are scoped to a visibility partition (`is_visible`) so the
-- generated key falls strictly within the targeted section. The Customize
-- Toolbar UI renders Enabled and Disabled as two independent reorderable
-- lists; without the partition, leading/trailing keys would cross the section
-- boundary and surface as buttons "jumping" after a visibility toggle.
toolbarLeadingOrderKey(:bucket AS INTEGER, :is_visible AS BOOL):
  SELECT lexo_rank_previous(
    :bucket,
    (
      SELECT order_key
      FROM toolbar_button_configs
      WHERE is_visible = :is_visible
      ORDER BY order_key
      LIMIT 1
    )
  );

toolbarTrailingOrderKey(:bucket AS INTEGER, :is_visible AS BOOL):
  SELECT lexo_rank_next(
    :bucket,
    (
      SELECT order_key
      FROM toolbar_button_configs
      WHERE is_visible = :is_visible
      ORDER BY order_key DESC
      LIMIT 1
    )
  );

toolbarOrderKeyAfterButton(:button_id AS TEXT, :is_visible AS BOOL):
  WITH ordered_table AS (
    SELECT
      button_id,
      order_key,
      LEAD(order_key) OVER (ORDER BY order_key) AS next_order_key
    FROM toolbar_button_configs
    WHERE is_visible = :is_visible
  )
  SELECT lexo_rank_reorder_after(order_key, next_order_key)
  FROM ordered_table
  WHERE button_id = :button_id;

toolbarOrderKeyBeforeButton(:button_id AS TEXT, :is_visible AS BOOL):
  WITH ordered_table AS (
    SELECT
      button_id,
      order_key,
      LAG(order_key) OVER (ORDER BY order_key) AS prev_order_key
    FROM toolbar_button_configs
    WHERE is_visible = :is_visible
  )
  SELECT lexo_rank_reorder_before(order_key, prev_order_key)
  FROM ordered_table
  WHERE button_id = :button_id;

evictCacheEntries:
  DELETE FROM icon_cache 
  WHERE rowid IN (
      SELECT rowid 
      FROM icon_cache 
      ORDER BY fetch_date DESC 
      LIMIT -1 OFFSET :limit
  );