import { expect, test } from "@playwright/test";

import { TEST_IDENTITIES, installMockBridge } from "../helpers/bridge";

const MOCK_PUBKEY = "deadbeef".repeat(8);
const ENGINEERING_CHANNEL_ID = "1c7e1c02-87bb-5e88-b2da-5a7a9432d0c9";
const MUTE_STORAGE_KEY = `buzz-channel-mutes.v1:${MOCK_PUBKEY}`;

function seedMuteState(
  page: import("@playwright/test").Page,
  channelId: string,
) {
  return page.addInitScript(
    ({ key, id }) => {
      localStorage.setItem(
        key,
        JSON.stringify({
          version: 1,
          channels: {
            [id]: { muted: true, updatedAt: 1700000000 },
          },
        }),
      );
    },
    { key: MUTE_STORAGE_KEY, id: channelId },
  );
}

async function waitForMockLiveSubscription(
  page: import("@playwright/test").Page,
  channelName: string,
) {
  await expect
    .poll(async () => {
      return page.evaluate(
        ({ ch }) =>
          (
            window as Window & {
              __BUZZ_E2E_HAS_MOCK_LIVE_SUBSCRIPTION__?: (input: {
                channelName: string;
              }) => boolean;
            }
          ).__BUZZ_E2E_HAS_MOCK_LIVE_SUBSCRIPTION__?.({ channelName: ch }) ??
          false,
        { ch: channelName },
      );
    })
    .toBe(true);
}

test.describe("channel muting", () => {
  test("01 — context menu shows Mute channel", async ({ page }) => {
    await installMockBridge(page);
    await page.goto("/");
    await page.getByTestId("channel-general").click();
    await expect(page.getByTestId("chat-title")).toHaveText("general");

    await page.getByTestId("channel-random").click();
    await expect(page.getByTestId("chat-title")).toHaveText("random");

    await page.getByTestId("channel-general").click({ button: "right" });
    const muteItem = page.getByRole("menuitem", { name: "Mute channel" });
    await expect(muteItem).toBeVisible();
    await muteItem.evaluate((el) =>
      Promise.all(
        el
          .closest("[data-state]")
          ?.getAnimations()
          .map((a) => a.finished) ?? [],
      ),
    );
  });

  test("02 — muted channel is dimmed with BellOff icon", async ({ page }) => {
    await seedMuteState(page, ENGINEERING_CHANNEL_ID);
    await installMockBridge(page);

    await page.goto("/");
    await page.getByTestId("channel-random").click();
    await expect(page.getByTestId("chat-title")).toHaveText("random");

    const engRow = page.getByTestId("channel-engineering");
    await expect(engRow).toBeVisible();
    await expect(engRow).toHaveCSS("opacity", "1");
    await expect(engRow.locator("[data-sidebar-row-label]")).toHaveCSS(
      "opacity",
      "0.5",
    );
    await expect(engRow.locator("svg.lucide-hash")).toHaveCSS("opacity", "0.5");
    await expect(engRow.locator("svg.lucide-bell-off")).toHaveCount(1);
  });

  test("02b — muted channels recede further in dark mode", async ({ page }) => {
    await page.addInitScript(() => {
      window.localStorage.setItem("buzz-theme", "buzz-dark");
    });
    await seedMuteState(page, ENGINEERING_CHANNEL_ID);
    await installMockBridge(page);

    await page.goto("/");
    await page.getByTestId("channel-random").click();

    const mutedLabel = page
      .getByTestId("channel-engineering")
      .locator("[data-sidebar-row-label]");
    await expect(mutedLabel).toHaveCSS("opacity", "0.45");
  });

  test("03 — muted channel with a top-level @mention is emphasized", async ({
    page,
  }) => {
    await seedMuteState(page, ENGINEERING_CHANNEL_ID);
    await installMockBridge(page);

    await page.goto("/");
    await page.getByTestId("channel-engineering").click();
    await expect(page.getByTestId("chat-title")).toHaveText("engineering");
    await waitForMockLiveSubscription(page, "engineering");

    await page.getByTestId("channel-random").click();
    await expect(page.getByTestId("chat-title")).toHaveText("random");

    await page.evaluate(
      ({ pubkey, mockPubkey }) => {
        (
          window as Window & {
            __BUZZ_E2E_EMIT_MOCK_MESSAGE__?: (input: {
              channelName: string;
              content: string;
              pubkey: string;
              mentionPubkeys: string[];
            }) => unknown;
          }
        ).__BUZZ_E2E_EMIT_MOCK_MESSAGE__?.({
          channelName: "engineering",
          content: "Hey check this out",
          pubkey,
          mentionPubkeys: [mockPubkey],
        });
      },
      {
        pubkey: TEST_IDENTITIES.alice.pubkey,
        mockPubkey: MOCK_PUBKEY,
      },
    );

    await expect(page.getByTestId("channel-engineering")).toHaveCSS(
      "font-weight",
      "700",
    );
    await expect(
      page.getByTestId("channel-unread-dot-engineering"),
    ).toHaveCount(0);
  });

  test("04 — context menu shows Unmute channel when muted", async ({
    page,
  }) => {
    await seedMuteState(page, ENGINEERING_CHANNEL_ID);
    await installMockBridge(page);

    await page.goto("/");
    await page.getByTestId("channel-random").click();
    await expect(page.getByTestId("chat-title")).toHaveText("random");

    await page.getByTestId("channel-engineering").click({ button: "right" });
    const unmuteItem = page.getByRole("menuitem", { name: "Unmute channel" });
    await expect(unmuteItem).toBeVisible();
    await unmuteItem.evaluate((el) =>
      Promise.all(
        el
          .closest("[data-state]")
          ?.getAnimations()
          .map((a) => a.finished) ?? [],
      ),
    );
  });

  test("05 — muted icon visible on selected channel", async ({ page }) => {
    await seedMuteState(page, ENGINEERING_CHANNEL_ID);
    await installMockBridge(page);

    await page.goto("/");
    await page.getByTestId("channel-engineering").click();
    await expect(page.getByTestId("chat-title")).toHaveText("engineering");

    const engRow = page.getByTestId("channel-engineering");
    await expect(engRow.locator("svg.lucide-bell-off")).toHaveCount(1);
  });
});