ALTER TABLE tasks ADD COLUMN custom_assignee_name TEXT;

CREATE TABLE IF NOT EXISTS notes (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    title TEXT NOT NULL,
    content TEXT NOT NULL,
    owner_id INTEGER,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (owner_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS note_shares (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    note_id INTEGER,
    share_type TEXT,
    share_id INTEGER,
    FOREIGN KEY (note_id) REFERENCES notes(id) ON DELETE CASCADE
);

ALTER TABLE users ADD COLUMN notify_channels TEXT DEFAULT 'native';
ALTER TABLE users ADD COLUMN telegram_id TEXT;
ALTER TABLE users ADD COLUMN email TEXT;
ALTER TABLE users ADD COLUMN whatsapp_number TEXT;