-- migration_history
CREATE TABLE migration_history (
  version TEXT NOT NULL PRIMARY KEY,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now'))
);

-- system_setting
CREATE TABLE system_setting (
  name TEXT NOT NULL,
  value TEXT NOT NULL,
  description TEXT NOT NULL DEFAULT '',
  UNIQUE(name)
);

-- user
CREATE TABLE user (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  row_status TEXT NOT NULL CHECK (row_status IN ('NORMAL', 'ARCHIVED')) DEFAULT 'NORMAL',
  email TEXT NOT NULL UNIQUE,
  role TEXT NOT NULL CHECK (role IN ('HOST', 'USER')) DEFAULT 'USER',
  name TEXT NOT NULL,
  password_hash TEXT NOT NULL,
  open_id TEXT NOT NULL UNIQUE
);

-- user_setting
CREATE TABLE user_setting (
  user_id INTEGER NOT NULL,
  key TEXT NOT NULL,
  value TEXT NOT NULL,
  UNIQUE(user_id, key)
);

-- memo
CREATE TABLE memo (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  creator_id INTEGER NOT NULL,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  row_status TEXT NOT NULL CHECK (row_status IN ('NORMAL', 'ARCHIVED')) DEFAULT 'NORMAL',
  content TEXT NOT NULL DEFAULT '',
  visibility TEXT NOT NULL CHECK (visibility IN ('PUBLIC', 'PROTECTED', 'PRIVATE')) DEFAULT 'PRIVATE'
);

-- memo_organizer
CREATE TABLE memo_organizer (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  memo_id INTEGER NOT NULL,
  user_id INTEGER NOT NULL,
  pinned INTEGER NOT NULL CHECK (pinned IN (0, 1)) DEFAULT 0,
  UNIQUE(memo_id, user_id)
);

-- shortcut
CREATE TABLE shortcut (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  creator_id INTEGER NOT NULL,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  row_status TEXT NOT NULL CHECK (row_status IN ('NORMAL', 'ARCHIVED')) DEFAULT 'NORMAL',
  title TEXT NOT NULL DEFAULT '',
  payload TEXT NOT NULL DEFAULT '{}'
);

-- resource
CREATE TABLE resource (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  creator_id INTEGER NOT NULL,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  filename TEXT NOT NULL DEFAULT '',
  blob BLOB DEFAULT NULL,
  external_link TEXT NOT NULL DEFAULT '',
  type TEXT NOT NULL DEFAULT '',
  size INTEGER NOT NULL DEFAULT 0
);

-- memo_resource
CREATE TABLE memo_resource (
  memo_id INTEGER NOT NULL,
  resource_id INTEGER NOT NULL,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  UNIQUE(memo_id, resource_id)
);

-- memo_relation
CREATE TABLE memo_relation (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
  memo_id INTEGER NOT NULL,
  related_memo_id INTEGER NOT NULL,
  type TEXT NOT NULL,
  description TEXT NOT NULL DEFAULT '',
  UNIQUE(memo_id, related_memo_id, type)
);