-- EnakGame game catalog (docs/rfc-enakgame.md §5.1). games is extended rather than
-- replaced, because the customer app already reads it.

ALTER TABLE games
    ADD COLUMN organization_id UUID,
    ADD COLUMN slug VARCHAR(100),
    ADD COLUMN description TEXT,
    ADD COLUMN thumbnail_url VARCHAR(500),
    ADD COLUMN game_url VARCHAR(500),
    ADD COLUMN version VARCHAR(50),
    ADD COLUMN status VARCHAR(20) NOT NULL DEFAULT 'ACTIVE'
        CONSTRAINT chk_games_status CHECK (status IN ('DRAFT', 'ACTIVE', 'INACTIVE', 'ARCHIVED')),
    ADD COLUMN entry_cost BIGINT,
    ADD COLUMN session_ttl_seconds INT NOT NULL DEFAULT 600
        CONSTRAINT chk_games_session_ttl_seconds CHECK (session_ttl_seconds > 0),
    -- Limits the Result Validator checks a result against: max_score,
    -- min_duration_seconds, max_score_per_second, the valid outcomes, and the game's
    -- daily reward limit (§5.10, §7.2).
    ADD COLUMN result_rules JSONB NOT NULL DEFAULT '{}';

-- The old games leave the product: archived, never deleted (§14). game_plays.game_id
-- is ON DELETE CASCADE, and the old GAME_SPEND ledger rows point at game_plays.
-- Their coin cost becomes the entry cost; one that is missing, not a whole number or
-- below 1 becomes 1, so the CHECK below holds.
UPDATE games SET
    status = 'ARCHIVED',
    is_active = FALSE,
    entry_cost = CASE
        WHEN metadata->>'coin_cost' ~ '^[0-9]{1,18}$' THEN GREATEST((metadata->>'coin_cost')::BIGINT, 1)
        ELSE 1 END;

ALTER TABLE games
    ALTER COLUMN entry_cost SET NOT NULL,
    -- PRD §10.1: no game is free.
    ADD CONSTRAINT chk_games_entry_cost CHECK (entry_cost >= 1),
    -- Every EnakGame game has an organization and a slug. Only the archived old games
    -- may lack them.
    ADD CONSTRAINT chk_games_enakgame_identity CHECK (
        status = 'ARCHIVED' OR (organization_id IS NOT NULL AND slug IS NOT NULL));

CREATE UNIQUE INDEX uq_games_org_slug ON games(organization_id, slug) WHERE slug IS NOT NULL;
CREATE INDEX idx_games_org_status ON games(organization_id, status);