import { expect, test, type Page } from "@playwright/test";
import {
  mockConfig,
  mockHouseholdAndStoreShell,
  seedAuthStorage,
} from "./helpers/e2e";

type MockItem = {
  id: number;
  item_id: number;
  item_name: string;
  quantity: number;
  bought: boolean;
  item_image: string | null;
  image_mime_type: string | null;
  added_by_users: string[];
  last_added_on: string;
  item_type: string | null;
  item_group: string | null;
  zone: string | null;
};

function makeItem(id: number, itemName: string, quantity = 1): MockItem {
  return {
    id,
    item_id: id + 500,
    item_name: itemName,
    quantity,
    bought: false,
    item_image: null,
    image_mime_type: null,
    added_by_users: ["Owner User"],
    last_added_on: "2026-03-28T12:00:00.000Z",
    item_type: null,
    item_group: null,
    zone: "Produce",
  };
}

async function setupGroceryRoutes(
  page: Page,
  options: {
    householdRole?: string;
    items?: MockItem[];
  } = {}
) {
  const items = options.items || [
    makeItem(1, "milk", 2),
    makeItem(2, "bread", 1),
  ];

  await mockConfig(page);
  await mockHouseholdAndStoreShell(page, {
    household: {
      name: "Grocery Actions House",
      role: options.householdRole || "admin",
    },
    stores: [
      {
        id: 10,
        name: "Costco",
        location: "Warehouse",
        is_default: true,
      },
    ],
  });

  await page.route("**/households/1/members", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify([
        { id: 1, username: "owner", name: "Owner User", display_name: "Owner User", role: "owner" },
      ]),
    });
  });

  await page.route("**/households/1/locations/10/zones", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ zones: [{ id: 1, name: "Produce" }] }),
    });
  });

  await page.route("**/households/1/locations/10/list/recent", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify([]),
    });
  });

  await page.route("**/households/1/locations/10/list/suggestions**", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify([]),
    });
  });

  await page.route("**/households/1/locations/10/list/item**", async (route) => {
    const url = new URL(route.request().url());
    const itemName = (url.searchParams.get("item_name") || "").toLowerCase();
    const item = items.find((candidate) => candidate.item_name === itemName);

    await route.fulfill({
      status: item ? 200 : 404,
      contentType: "application/json",
      body: JSON.stringify(item || { message: "Item not found" }),
    });
  });

  await page.route("**/households/1/locations/10/list", async (route) => {
    await route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ items }),
    });
  });
}

test("item actions expose bought flow and local skipped restore", async ({ page }) => {
  await seedAuthStorage(page, { username: "grocery-actions-user" });
  await setupGroceryRoutes(page);

  await page.goto("/");

  const milkRow = page.locator(".glist-classification-group .glist-li").filter({ hasText: "milk" });
  await expect(milkRow).toBeVisible();

  await milkRow.getByRole("button", { name: "Actions for milk" }).click();
  await milkRow.getByRole("button", { name: "Bought" }).click();
  await expect(page.locator(".confirm-buy-modal")).toBeVisible();
  await page.getByRole("button", { name: "Cancel" }).click();

  await milkRow.getByRole("button", { name: "Actions for milk" }).click();
  await milkRow.getByRole("button", { name: "Skip" }).click();

  await expect(milkRow).toHaveCount(0);
  await expect(page.locator(".glist-skipped-section")).toContainText("milk");

  await page.reload();
  await expect(page.locator(".glist-skipped-section")).toContainText("milk");

  await page.locator(".glist-skipped-section").getByRole("button", { name: "Restore" }).click();
  await expect(page.locator(".glist-classification-group .glist-li").filter({ hasText: "milk" })).toBeVisible();
});

test("viewer role cannot see mutation controls", async ({ page }) => {
  await seedAuthStorage(page, { username: "grocery-viewer-user" });
  await setupGroceryRoutes(page, { householdRole: "viewer" });

  await page.goto("/");

  await expect(page.getByPlaceholder("Enter item name")).toHaveCount(0);
  await expect(page.getByRole("button", { name: "Actions for milk" })).toHaveCount(0);
  await expect(page.getByLabel("Search list")).toBeVisible();
});

test("offline banner blocks server-backed add flow with a clear toast", async ({ page }) => {
  await seedAuthStorage(page, { username: "grocery-offline-user" });
  await setupGroceryRoutes(page);

  await page.goto("/");
  await page.evaluate(() => window.dispatchEvent(new Event("offline")));

  await expect(page.locator(".glist-offline-banner")).toContainText("Offline");
  await page.getByPlaceholder("Enter item name").fill("bananas");
  await page.getByRole("button", { name: "Create + Add" }).click();

  await expect(page.locator(".add-item-details-modal")).toHaveCount(0);
  await expect(page.locator(".action-toast.action-toast-error")).toContainText("Adding items needs a connection");
});