DROP INDEX idx_show_share_sessions_share;
DROP INDEX idx_show_shares_show;

ALTER TABLE show_share_sessions RENAME TO show_share_sessions_v15;
ALTER TABLE show_shares RENAME TO show_shares_v15;

CREATE TABLE show_shares (
	id TEXT PRIMARY KEY,
	show_id TEXT NOT NULL REFERENCES shows(id) ON DELETE CASCADE,
	token_hash TEXT NOT NULL UNIQUE,
	scope TEXT NOT NULL CHECK (scope IN ('rundown', 'moderation', 'research')),
	password_hash TEXT,
	expires_at_utc TEXT,
	revoked_at_utc TEXT,
	created_by_user_id TEXT NOT NULL REFERENCES users(id) ON DELETE RESTRICT,
	created_at_utc TEXT NOT NULL
);

CREATE INDEX idx_show_shares_show ON show_shares(show_id, created_at_utc DESC);

CREATE TABLE show_share_sessions (
	token_hash TEXT PRIMARY KEY,
	share_id TEXT NOT NULL REFERENCES show_shares(id) ON DELETE CASCADE,
	created_at_utc TEXT NOT NULL,
	expires_at_utc TEXT NOT NULL
);

CREATE INDEX idx_show_share_sessions_share ON show_share_sessions(share_id, expires_at_utc);

INSERT INTO show_shares (
	id, show_id, token_hash, scope, password_hash, expires_at_utc, revoked_at_utc,
	created_by_user_id, created_at_utc
)
SELECT id, show_id, token_hash, scope, password_hash, expires_at_utc, revoked_at_utc,
	created_by_user_id, created_at_utc
FROM show_shares_v15;

INSERT INTO show_share_sessions (token_hash, share_id, created_at_utc, expires_at_utc)
SELECT token_hash, share_id, created_at_utc, expires_at_utc
FROM show_share_sessions_v15;

DROP TABLE show_share_sessions_v15;
DROP TABLE show_shares_v15;