CREATE TYPE torrent_state AS ENUM (
    'pending',
    'downloading',
    'paused',
    'finished',
    'error'
);

CREATE TABLE torrents (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    info_hash TEXT NOT NULL UNIQUE,
    name TEXT,
    source TEXT NOT NULL,
    output_path TEXT NOT NULL,
    total_bytes BIGINT,
    downloaded_bytes BIGINT NOT NULL DEFAULT 0,
    state torrent_state NOT NULL DEFAULT 'pending',
    error_message TEXT,
    added_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    completed_at TIMESTAMPTZ
);