// Vitest coverage for the Phase 19 follow-up "stationed ship groups"
// subsection of the planet inspector. Phase 19 originally rendered
// every in-orbit group as a small offset point on the map; the
// resulting visual noise pushed the listing into this subsection
// (`lib/inspectors/planet/ship-groups.svelte`) instead.

import "@testing-library/jest-dom/vitest";
import { render } from "@testing-library/svelte";
import { beforeEach, describe, expect, test } from "vitest";

import { i18n } from "../src/lib/i18n/index.svelte";
import type {
	ReportLocalShipGroup,
	ReportOtherShipGroup,
	ReportPlanet,
} from "../src/api/game-state";
import ShipGroups from "../src/lib/inspectors/planet/ship-groups.svelte";

beforeEach(() => {
	i18n.resetForTests("en");
});

const HOME_PLANET: ReportPlanet = {
	number: 17,
	name: "Castle",
	x: 100,
	y: 100,
	kind: "local",
	owner: null,
	size: 1000,
	resources: 10,
	industryStockpile: 0,
	materialsStockpile: 0,
	industry: 1000,
	population: 1000,
	colonists: 100,
	production: "Capital",
	freeIndustry: 1000,
};

const FOREIGN_PLANET: ReportPlanet = {
	...HOME_PLANET,
	number: 99,
	name: "Outpost",
	kind: "other",
	owner: "Klingons",
};

function localGroup(
	overrides: Partial<ReportLocalShipGroup> = {},
): ReportLocalShipGroup {
	return {
		id: "uuid-1",
		count: 1,
		class: "Frontier",
		tech: { drive: 5, weapons: 0, shields: 0, cargo: 1 },
		cargo: "NONE",
		load: 0,
		destination: 17,
		origin: null,
		range: null,
		speed: 0,
		mass: 12,
		state: "In_Orbit",
		fleet: null,
		...overrides,
	};
}

function otherGroup(
	overrides: Partial<ReportOtherShipGroup> = {},
): ReportOtherShipGroup {
	return {
		count: 3,
		class: "Bird-of-Prey",
		tech: { drive: 6, weapons: 4, shields: 3, cargo: 0 },
		cargo: "NONE",
		load: 0,
		destination: 99,
		origin: null,
		range: null,
		speed: 0,
		mass: 25,
		...overrides,
	};
}

describe("planet inspector — stationed ship groups", () => {
	test("renders one row per in-orbit local group with the player's race", () => {
		const ui = render(ShipGroups, {
			props: {
				planet: HOME_PLANET,
				localShipGroups: [
					localGroup({ id: "g1", count: 2, class: "Frontier", mass: 24 }),
					localGroup({ id: "g2", count: 7, class: "Furgon", mass: 173.25 }),
				],
				otherShipGroups: [],
				localRace: "Earthlings",
			},
		});
		const rows = ui.getAllByTestId("inspector-planet-ship-groups-row");
		expect(rows.length).toBe(2);
		expect(rows[0]).toHaveTextContent("Earthlings");
		expect(rows[0]).toHaveTextContent("Frontier");
		expect(rows[0]).toHaveTextContent("2");
		expect(rows[0]).toHaveTextContent("24");
		expect(rows[1]).toHaveTextContent("Furgon");
		expect(rows[1]).toHaveTextContent("173.25");
	});

	test("filters out groups stationed on a different planet", () => {
		const ui = render(ShipGroups, {
			props: {
				planet: HOME_PLANET,
				localShipGroups: [
					localGroup({ id: "g1", destination: 17 }),
					localGroup({ id: "g2", destination: 99 }),
				],
				otherShipGroups: [],
				localRace: "Earthlings",
			},
		});
		expect(ui.getAllByTestId("inspector-planet-ship-groups-row").length).toBe(
			1,
		);
	});

	test("excludes in-hyperspace groups even when destination matches", () => {
		const ui = render(ShipGroups, {
			props: {
				planet: HOME_PLANET,
				localShipGroups: [
					localGroup({ id: "stationed", destination: 17 }),
					localGroup({
						id: "fleeing",
						destination: 17,
						origin: 99,
						range: 5,
					}),
				],
				otherShipGroups: [],
				localRace: "Earthlings",
			},
		});
		expect(ui.getAllByTestId("inspector-planet-ship-groups-row").length).toBe(
			1,
		);
	});

	test("foreign-planet visitors fall back to the planet owner's race", () => {
		const ui = render(ShipGroups, {
			props: {
				planet: FOREIGN_PLANET,
				localShipGroups: [],
				otherShipGroups: [otherGroup({ destination: 99 })],
				localRace: "Earthlings",
			},
		});
		const row = ui.getByTestId("inspector-planet-ship-groups-row");
		expect(row).toHaveTextContent("Klingons");
		expect(row).toHaveTextContent("Bird-of-Prey");
	});

	test("subsection collapses entirely when nothing is stationed", () => {
		const ui = render(ShipGroups, {
			props: {
				planet: HOME_PLANET,
				localShipGroups: [],
				otherShipGroups: [],
				localRace: "Earthlings",
			},
		});
		expect(ui.queryByTestId("inspector-planet-ship-groups")).toBeNull();
	});
});