CREATE TABLE IF NOT EXISTS users (
    id INTEGER PRIMARY KEY,
    username TEXT NOT NULL UNIQUE,
    password_hash TEXT NOT NULL,
    created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
    preferred_language TEXT NOT NULL DEFAULT 'en',
    preferred_font TEXT NOT NULL DEFAULT 'default'
);
CREATE TABLE IF NOT EXISTS routers (
    id INTEGER PRIMARY KEY,
    owner_id INTEGER NOT NULL REFERENCES users(id),
    name TEXT NOT NULL,
    device_type TEXT NOT NULL DEFAULT 'routeros',
    host TEXT NOT NULL,
    port INTEGER NOT NULL DEFAULT 22,
    ssh_user TEXT NOT NULL DEFAULT 'admin',
    ssh_key TEXT,
    ssh_password TEXT,
    last_connection_status INTEGER,
    last_connection_tested_at TEXT,
    last_connection_error TEXT,
    last_connection_hostname TEXT,
    last_connection_model TEXT,
    last_connection_version TEXT,
    last_connection_uptime TEXT,
    last_connection_transport TEXT,
    last_connection_server TEXT,
    last_connection_auth_mode TEXT,
    last_connection_http_status TEXT,
    last_connection_backup_available INTEGER,
    disable_all_backups INTEGER NOT NULL DEFAULT 0,
    disable_export_backups INTEGER NOT NULL DEFAULT 0,
    disable_binary_backups INTEGER NOT NULL DEFAULT 0,
    disable_ping INTEGER NOT NULL DEFAULT 0,
    created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS backups (
    id INTEGER PRIMARY KEY,
    router_id INTEGER NOT NULL REFERENCES routers(id) ON DELETE CASCADE,
    file_path TEXT NOT NULL,
    file_name TEXT NOT NULL,
    backup_type TEXT NOT NULL DEFAULT 'export',
    checksum TEXT,
    created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS operation_logs (
    id INTEGER PRIMARY KEY,
    message TEXT NOT NULL,
    timestamp TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS global_settings (
    id INTEGER PRIMARY KEY,
    backup_retention_days INTEGER DEFAULT 7,
    log_retention_days INTEGER DEFAULT 7,
    export_cron TEXT DEFAULT '',
    binary_cron TEXT DEFAULT '',
    retention_cron TEXT DEFAULT '',
    enable_auto_export INTEGER DEFAULT 0,
    connection_test_interval_minutes INTEGER DEFAULT 0,
    global_ssh_key TEXT,
    default_switchos_username TEXT,
    default_switchos_password TEXT,
    pushover_token TEXT,
    pushover_userkey TEXT,
    notify_failures_only INTEGER DEFAULT 1,
    smtp_host TEXT,
    smtp_port INTEGER DEFAULT 587,
    smtp_login TEXT,
    smtp_password TEXT,
    smtp_notifications_enabled INTEGER DEFAULT 0,
    recipient_email TEXT
);
CREATE INDEX IF NOT EXISTS ix_routers_owner_id ON routers(owner_id);
CREATE INDEX IF NOT EXISTS ix_backups_router_id ON backups(router_id);
CREATE INDEX IF NOT EXISTS ix_backups_created_at ON backups(created_at);
CREATE INDEX IF NOT EXISTS ix_operation_logs_timestamp ON operation_logs(timestamp);
CREATE TABLE IF NOT EXISTS rust_schema_migrations (
    version INTEGER PRIMARY KEY,
    applied_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
);