-- SNS: credentials and approval records never enter public payloads.
CREATE TABLE IF NOT EXISTS public.place_social_posts (
    post_id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
    place_id uuid NOT NULL,
    user_id uuid NOT NULL,
    site_version_id uuid NOT NULL,
    account_id uuid,
    provider smallint NOT NULL CHECK (provider IN (1,2)),
    body text NOT NULL DEFAULT '',
    link_url text NOT NULL,
    grounded_facts jsonb NOT NULL DEFAULT '[]',
    status varchar(24) NOT NULL DEFAULT 'DRAFTING',
    approval_token_sha varchar(64),
    approval_sent_at timestamptz,
    approval_channel varchar(20),
    approval_expires_at timestamptz,
    decided_at timestamptz,
    decided_via varchar(20),
    provider_post_id varchar(200),
    permalink text,
    posted_at timestamptz,
    last_error text,
    created_at timestamptz NOT NULL DEFAULT now(),
    updated_at timestamptz NOT NULL DEFAULT now(),
    deleted boolean NOT NULL DEFAULT false
);
-- 게시 성공 뒤의 이중 클릭도 막는다. 같은 버전은 기존 초안을 재사용한다.
CREATE UNIQUE INDEX IF NOT EXISTS uq_social_version ON public.place_social_posts(place_id, site_version_id) WHERE deleted=false;
CREATE INDEX IF NOT EXISTS idx_social_posted ON public.place_social_posts(place_id, posted_at DESC) WHERE deleted=false AND status='POSTED';