// F8-10 planets table — module-level filter / sort rune.
//
// Held outside the component so the user's filter selections survive
// the component being unmounted (e.g. row click → map → back to the
// table). Held in memory only; an F5 reloads the report and the
// defaults take over.

export type PlanetSortColumn =
	| "number"
	| "name"
	| "kind"
	| "owner"
	| "size"
	| "resources";

export type PlanetSortDirection = "asc" | "desc";

export interface PlanetsTableState {
	sortColumn: PlanetSortColumn;
	sortDirection: PlanetSortDirection;
	showLocal: boolean;
	showOther: boolean;
	showUninhabited: boolean;
	showUnknown: boolean;
	ownerFilter: string;
}

const DEFAULT_STATE: PlanetsTableState = {
	sortColumn: "number",
	sortDirection: "asc",
	showLocal: true,
	showOther: true,
	showUninhabited: true,
	showUnknown: true,
	ownerFilter: "",
};

export const planetsTableState: PlanetsTableState = $state({ ...DEFAULT_STATE });

/**
 * resetPlanetsTableState restores every field to its default value.
 * Production code never calls it; the Vitest harness uses it from
 * `beforeEach` to keep cases independent (the rune is a module-level
 * singleton that otherwise carries state across test boundaries).
 */
export function resetPlanetsTableState(): void {
	Object.assign(planetsTableState, DEFAULT_STATE);
}