-- Notara initial schema (see PLAN.md — Data Model)

CREATE TABLE workspace_meta (
  id INTEGER PRIMARY KEY CHECK (id = 1),
  name TEXT NOT NULL DEFAULT 'My Workspace',
  theme TEXT NOT NULL DEFAULT 'system',
  accent TEXT NOT NULL DEFAULT '#2383e2',
  onboarded INTEGER NOT NULL DEFAULT 0,
  last_page_id TEXT,
  settings JSON NOT NULL DEFAULT '{}'
);
INSERT INTO workspace_meta (id) VALUES (1);

CREATE TABLE pages (
  id TEXT PRIMARY KEY,
  parent_id TEXT REFERENCES pages(id) ON DELETE CASCADE,
  title TEXT NOT NULL DEFAULT '',
  icon TEXT,
  cover TEXT,
  sort_order REAL NOT NULL DEFAULT 0,
  is_favorite INTEGER NOT NULL DEFAULT 0,
  in_trash INTEGER NOT NULL DEFAULT 0,
  created_at INTEGER NOT NULL,
  updated_at INTEGER NOT NULL
);
CREATE INDEX idx_pages_parent ON pages(parent_id);
CREATE INDEX idx_pages_trash ON pages(in_trash);

-- Page body as a Yjs document (CRDT): Y.encodeStateAsUpdate(doc)
CREATE TABLE page_docs (
  page_id TEXT PRIMARY KEY REFERENCES pages(id) ON DELETE CASCADE,
  ydoc BLOB NOT NULL
);

CREATE TABLE databases (
  id TEXT PRIMARY KEY,
  page_id TEXT NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
  name TEXT NOT NULL DEFAULT ''
);

CREATE TABLE db_properties (
  id TEXT PRIMARY KEY,
  database_id TEXT NOT NULL REFERENCES databases(id) ON DELETE CASCADE,
  name TEXT NOT NULL,
  type TEXT NOT NULL,
  config JSON NOT NULL DEFAULT '{}',
  sort_order REAL NOT NULL DEFAULT 0
);
CREATE INDEX idx_props_db ON db_properties(database_id);

CREATE TABLE db_rows (
  id TEXT PRIMARY KEY,
  database_id TEXT NOT NULL REFERENCES databases(id) ON DELETE CASCADE,
  page_id TEXT NOT NULL REFERENCES pages(id) ON DELETE CASCADE,
  sort_order REAL NOT NULL DEFAULT 0
);
CREATE INDEX idx_rows_db ON db_rows(database_id);

CREATE TABLE db_values (
  row_id TEXT NOT NULL REFERENCES db_rows(id) ON DELETE CASCADE,
  property_id TEXT NOT NULL REFERENCES db_properties(id) ON DELETE CASCADE,
  value JSON,
  PRIMARY KEY (row_id, property_id)
);

CREATE TABLE db_views (
  id TEXT PRIMARY KEY,
  database_id TEXT NOT NULL REFERENCES databases(id) ON DELETE CASCADE,
  name TEXT NOT NULL,
  type TEXT NOT NULL,
  filters JSON NOT NULL DEFAULT '[]',
  sorts JSON NOT NULL DEFAULT '[]',
  groups JSON NOT NULL DEFAULT 'null',
  visible_props JSON NOT NULL DEFAULT 'null',
  sort_order REAL NOT NULL DEFAULT 0
);
CREATE INDEX idx_views_db ON db_views(database_id);

-- Full-text search mirror (title + plain-text body extracted from the Y.Doc)
CREATE VIRTUAL TABLE pages_fts USING fts5(page_id UNINDEXED, title, body);