import { setupRenderingTest } from "discourse/tests/helpers/component-test";
import { exists, query } from "discourse/tests/helpers/qunit-helpers";
import hbs from "htmlbars-inline-precompile";
import fabricators from "../helpers/fabricators";
import MockPresenceChannel from "../helpers/mock-presence-channel";
import { module, test } from "qunit";
import { render } from "@ember/test-helpers";

module(
  "Discourse Chat | Component | chat-replying-indicator",
  function (hooks) {
    setupRenderingTest(hooks);

    test("not displayed when no one is replying", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      assert.false(exists(".chat-replying-indicator__text"));
    });

    test("displays indicator when user is replying", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      const sam = { id: 1, username: "sam" };
      this.set("presenceChannel.users", [sam]);

      assert.strictEqual(
        query(".chat-replying-indicator__text").innerText,
        `${sam.username} is typing`
      );
    });

    test("displays indicator when 2 or 3 users are replying", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      const sam = { id: 1, username: "sam" };
      const mark = { id: 2, username: "mark" };
      this.set("presenceChannel.users", [sam, mark]);

      assert.strictEqual(
        query(".chat-replying-indicator__text").innerText,
        `${sam.username} and ${mark.username} are typing`
      );
    });

    test("displays indicator when 3 users are replying", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      const sam = { id: 1, username: "sam" };
      const mark = { id: 2, username: "mark" };
      const joffrey = { id: 3, username: "joffrey" };
      this.set("presenceChannel.users", [sam, mark, joffrey]);

      assert.strictEqual(
        query(".chat-replying-indicator__text").innerText,
        `${sam.username}, ${mark.username} and ${joffrey.username} are typing`
      );
    });

    test("displays indicator when more than 3 users are replying", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      const sam = { id: 1, username: "sam" };
      const mark = { id: 2, username: "mark" };
      const joffrey = { id: 3, username: "joffrey" };
      const taylor = { id: 4, username: "taylor" };
      this.set("presenceChannel.users", [sam, mark, joffrey, taylor]);

      assert.strictEqual(
        query(".chat-replying-indicator__text").innerText,
        `${sam.username}, ${mark.username} and 2 others are typing`
      );
    });

    test("filters current user from list of repliers", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      const sam = { id: 1, username: "sam" };
      this.set("presenceChannel.users", [sam, this.currentUser]);

      assert.strictEqual(
        query(".chat-replying-indicator__text").innerText,
        `${sam.username} is typing`
      );
    });

    test("resets presence when channel is draft", async function (assert) {
      this.set("chatChannel", fabricators.chatChannel());
      this.set(
        "presenceChannel",
        MockPresenceChannel.create({
          name: `/chat-reply/${this.chatChannel.id}`,
          subscribed: true,
        })
      );

      await render(
        hbs`<ChatReplyingIndicator @presenceChannel={{this.presenceChannel}} @chatChannel={{this.chatChannel}} />`
      );

      assert.true(this.presenceChannel.subscribed);

      this.set("chatChannel", fabricators.chatChannel({ isDraft: true }));
      assert.false(this.presenceChannel.subscribed);
    });
  }
);