-- Owner-scoped Stars revenue for channel Star Gifts. These are internal
-- telesrv ledgers only; no blockchain, wallet, TON node or Fragment endpoint is
-- contacted. Conversion is recorded as one aggregate terminal transition.

CREATE TABLE public.channel_stars_balances (
    channel_id bigint PRIMARY KEY,
    balance bigint DEFAULT 0 NOT NULL,
    updated_at timestamp with time zone DEFAULT now() NOT NULL,
    CONSTRAINT channel_stars_balances_shape_check CHECK (channel_id>0 AND balance>=0)
);

CREATE TABLE public.channel_stars_transactions (
    id bigint GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
    channel_id bigint NOT NULL,
    actor_user_id bigint NOT NULL,
    amount bigint NOT NULL,
    reason text NOT NULL,
    peer_type text DEFAULT '' NOT NULL,
    peer_id bigint DEFAULT 0 NOT NULL,
    gift_id bigint,
    date integer NOT NULL,
    CONSTRAINT channel_stars_transactions_shape_check CHECK (
        channel_id>0 AND actor_user_id>0 AND amount<>0 AND date>0 AND
        ((peer_type='' AND peer_id=0) OR (peer_type IN ('user','channel') AND peer_id>0)))
);
CREATE INDEX channel_stars_transactions_channel_idx
    ON public.channel_stars_transactions(channel_id,id DESC);

CREATE TABLE public.star_gift_conversions (
    saved_gift_id bigint PRIMARY KEY REFERENCES public.peer_star_gifts(id) ON DELETE RESTRICT,
    actor_user_id bigint NOT NULL,
    owner_peer_type text NOT NULL,
    owner_peer_id bigint NOT NULL,
    amount bigint NOT NULL,
    balance_after bigint NOT NULL,
    converted_at integer NOT NULL,
    CONSTRAINT star_gift_conversions_shape_check CHECK (
        actor_user_id>0 AND owner_peer_type IN ('user','channel') AND owner_peer_id>0 AND
        amount>=0 AND balance_after>=0 AND converted_at>0)
);