/* @vitest-environment node */

import { describe, it, expect } from "vitest";
import {
	normalizeUsernameForConfirmation,
	isUsernameConfirmationMatch,
	normalizeBranchIdInput,
	normalizeBranchNumberInput,
	formatBranchIdFromNumberInput,
	extractBranchNumberInputFromBranchId,
	isValidBranchIdFormat,
	evaluateBranchExistence,
} from "./userManagementUx.js";

describe("lib/frontend/admin/users/userManagementUx", () => {
	describe("username confirmation", () => {
		it("normalizes to lowercase and trims", () => {
			expect(normalizeUsernameForConfirmation("  Alice.Admin  ")).toBe(
				"alice.admin",
			);
		});

		it("matches typed username case-insensitively after trimming", () => {
			expect(
				isUsernameConfirmationMatch({
					expectedUsername: "branch.user",
					typedUsername: "  BRANCH.USER ",
				}),
			).toBe(true);
		});

		it("returns false for empty or mismatching values", () => {
			expect(
				isUsernameConfirmationMatch({
					expectedUsername: "branch.user",
					typedUsername: "other.user",
				}),
			).toBe(false);

			expect(
				isUsernameConfirmationMatch({
					expectedUsername: "",
					typedUsername: "",
				}),
			).toBe(false);
		});
	});

	describe("branch formatting", () => {
		it("normalizes branchId input to uppercase + trim", () => {
			expect(normalizeBranchIdInput(" nl01 ")).toBe("NL01");
		});

		it("normalizes numeric branch input and strips non-digits", () => {
			expect(normalizeBranchNumberInput(" 001 ")).toBe("1");
			expect(normalizeBranchNumberInput(" 32a ")).toBe("32");
			expect(normalizeBranchNumberInput("000")).toBe("0");
			expect(normalizeBranchNumberInput("abc")).toBe("");
		});

		it("formats NL branchId with 2+ digit policy", () => {
			expect(formatBranchIdFromNumberInput("1")).toBe("NL01");
			expect(formatBranchIdFromNumberInput("32")).toBe("NL32");
			expect(formatBranchIdFromNumberInput("200")).toBe("NL200");
		});

		it("extracts numeric branch input from an existing branchId", () => {
			expect(extractBranchNumberInputFromBranchId("NL01")).toBe("01");
			expect(extractBranchNumberInputFromBranchId("nl200")).toBe("200");
			expect(extractBranchNumberInputFromBranchId("XX1")).toBe("");
		});

		it("validates branchId format", () => {
			expect(isValidBranchIdFormat("NL01")).toBe(true);
			expect(isValidBranchIdFormat("nl200")).toBe(true);
			expect(isValidBranchIdFormat("XX1")).toBe(false);
			expect(isValidBranchIdFormat("NL")).toBe(false);
		});
	});

	describe("branch existence decision", () => {
		it("blocks submit for unknown branch only when list is ready", () => {
			expect(
				evaluateBranchExistence({
					role: "branch",
					branchId: "NL99",
					branchesStatus: "ready",
					availableBranchIds: ["NL01", "NL02"],
				}).shouldBlockSubmit,
			).toBe(true);
		});

		it("allows submit when branch exists in ready list", () => {
			expect(
				evaluateBranchExistence({
					role: "branch",
					branchId: "NL02",
					branchesStatus: "ready",
					availableBranchIds: ["NL01", "NL02"],
				}).shouldBlockSubmit,
			).toBe(false);
		});

		it("is fail-open when list fetch failed", () => {
			const result = evaluateBranchExistence({
				role: "branch",
				branchId: "NL99",
				branchesStatus: "error",
				availableBranchIds: null,
			});

			expect(result.listError).toBe(true);
			expect(result.shouldBlockSubmit).toBe(false);
		});

		it("is irrelevant for non-branch roles", () => {
			const result = evaluateBranchExistence({
				role: "admin",
				branchId: "NL99",
				branchesStatus: "ready",
				availableBranchIds: ["NL01"],
			});

			expect(result.isBranchRole).toBe(false);
			expect(result.shouldBlockSubmit).toBe(false);
		});
	});
});