CREATE SCHEMA IF NOT EXISTS media_mirror;
CREATE TABLE media_mirror.jobs (
    id          uuid PRIMARY KEY DEFAULT gen_random_uuid(),
    item_id     text NOT NULL,              -- itemId из Jellyfin
    source_url  text NOT NULL,              -- URL исходника (jellyfin stream)
    source_type text NOT NULL DEFAULT 'jellyfin',
    status      text NOT NULL DEFAULT 'new',  -- new | processing | done | failed | cancelled
    progress    int  NOT NULL DEFAULT 0,      -- 0..100
    video_key   text,                         -- S3-ключ видео (после done)
    audio_keys  jsonb,                        -- [{key, title, language, index}]
    error       text,
    created_at  timestamptz NOT NULL DEFAULT now(),
    updated_at  timestamptz NOT NULL DEFAULT now(),
    taken_at    timestamptz
);
CREATE INDEX IF NOT EXISTS idx_jobs_status ON media_mirror.jobs (status, created_at);
CREATE UNIQUE INDEX IF NOT EXISTS uq_jobs_active_item
    ON media_mirror.jobs (item_id)
    WHERE status NOT IN ('failed', 'cancelled');