CREATE TABLE IF NOT EXISTS system_users (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    username TEXT NOT NULL UNIQUE,
    uid INTEGER,
    gid INTEGER,
    groups TEXT NOT NULL DEFAULT '[]',
    smb_enabled INTEGER NOT NULL DEFAULT 0,
    disabled INTEGER NOT NULL DEFAULT 0,
    pending_password TEXT NOT NULL DEFAULT '',
    created_at TEXT NOT NULL DEFAULT (datetime('now')),
    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS admins (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    username TEXT NOT NULL UNIQUE,
    password_hash TEXT NOT NULL,
    created_at TEXT NOT NULL DEFAULT (datetime('now')),
    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS settings (
    key TEXT PRIMARY KEY,
    value TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS samba_shares (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL UNIQUE,
    path TEXT NOT NULL,
    comment TEXT NOT NULL DEFAULT '',
    read_only INTEGER NOT NULL DEFAULT 0,
    guest_ok INTEGER NOT NULL DEFAULT 0,
    valid_users TEXT NOT NULL DEFAULT '[]',
    valid_groups TEXT NOT NULL DEFAULT '[]',
    created_at TEXT NOT NULL DEFAULT (datetime('now')),
    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS nfs_exports (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    path TEXT NOT NULL,
    clients TEXT NOT NULL DEFAULT '[]',
    options TEXT NOT NULL DEFAULT 'rw,sync,no_root_squash',
    created_at TEXT NOT NULL DEFAULT (datetime('now')),
    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS deleted_system_users (
    username TEXT PRIMARY KEY,
    marked_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS dirty_modules (
    module TEXT PRIMARY KEY,
    marked_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE IF NOT EXISTS apply_log (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    module TEXT NOT NULL,
    message TEXT NOT NULL,
    success INTEGER NOT NULL,
    created_at TEXT NOT NULL DEFAULT (datetime('now'))
);