-- +goose Up
CREATE TABLE game_exports (
    id TEXT PRIMARY KEY,
    game_id INTEGER REFERENCES games(id) ON DELETE SET NULL,
    initiator_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
    state TEXT NOT NULL DEFAULT 'preparing' CHECK (state IN ('preparing', 'ready', 'failed')),
    snapshot JSONB NOT NULL,
    source_server TEXT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT clock_timestamp(),
    owner_id TEXT,
    lease_until TIMESTAMPTZ,
    package_id TEXT NOT NULL DEFAULT '',
    size BIGINT NOT NULL DEFAULT 0,
    sha256 TEXT NOT NULL DEFAULT '',
    object_key TEXT NOT NULL UNIQUE,
    failure TEXT NOT NULL DEFAULT '',
    cleaned_at TIMESTAMPTZ,
    CHECK (state <> 'ready' OR (package_id <> '' AND size > 0 AND sha256 <> ''))
);
CREATE UNIQUE INDEX game_exports_active ON game_exports(game_id) WHERE state IN ('preparing', 'ready');
CREATE INDEX game_exports_game ON game_exports(game_id, created_at DESC);
CREATE INDEX game_exports_pending ON game_exports(created_at) WHERE state = 'preparing';

-- +goose Down
DROP TABLE game_exports;