export const PrivacyMode = Object.freeze({
	GM: `gm`,
	PRIVATE: `private`,
	SELF: `self`,
	PUBLIC: `public`,
});

export function determinePrivacyFromRollMode(rollMode) {
	switch (rollMode) {
		case CONST.DICE_ROLL_MODES.BLIND:
			return PrivacyMode.GM;
		case CONST.DICE_ROLL_MODES.PRIVATE:
			return PrivacyMode.PRIVATE;
		case CONST.DICE_ROLL_MODES.SELF:
			return PrivacyMode.SELF;
	}
	return PrivacyMode.PUBLIC;
};

/**
 * Filters an array of database rows based on if the current user would
 * be able to see them based on the privacy level.
 *
 * @param {Array<any>} rows The rows to filter
 * @param {string} userID The user's ID who the rows belong to
 * @param {"all"|"me"|"none"} privacy The privacy level we're filtering for
 * @returns The filtered rows
 */
export function filterPrivateRows(rows, userID, privacy) {
	console.log(rows, userID, privacy);
	const filtered = [];

	const isMe = userID === game.user.id;
	// TODO: make this use a permission rather than just isGM
	const canSeeAll = game.user.isGM;

	for (const row of rows) {

		let allowed = !row.isPrivate;
		allowed ||= privacy === `all` && canSeeAll;
		allowed ||= privacy === `my` && isMe;

		if (allowed) {
			filtered.push(row);
		};
	};

	return filtered;
};