/*
Copyright 2023 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

/* See readme.md for tips on writing these tests. */

import { many, test } from ".";

test.describe("Read receipts", () => {
    test.describe("new messages", () => {
        test.describe("in threads", () => {
            test("Receiving a message makes a room unread", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given a message arrived and is read
                await util.goTo(room1);
                await util.receiveMessages(room2, ["Msg1"]);
                await util.assertUnread(room2, 1);
                await util.goTo(room2);
                await util.assertRead(room2);
                await util.goTo(room1);

                // When I receive a threaded message
                await util.receiveMessages(room2, [msg.threadedOff("Msg1", "Resp1")]);

                // Then the room stays read
                await util.assertRead(room2);
                // but the thread is unread
                await util.goTo(room2);
                await util.assertUnreadThread("Msg1");
            });

            test("Reading the last threaded message makes the room read", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given a thread exists and is not read
                await util.goTo(room1);
                await util.receiveMessages(room2, ["Msg1", msg.threadedOff("Msg1", "Resp1")]);
                await util.assertUnread(room2, 1);
                await util.goTo(room2);

                // When I read it
                await util.openThread("Msg1");

                // The thread becomes read
                await util.assertReadThread("Msg1");
            });

            test("Reading a thread message makes the thread read", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given a thread exists
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg1", "Resp2"),
                ]);
                await util.assertUnread(room2, 1); // (Sanity)

                // When I read the main timeline
                await util.goTo(room2);

                // Then room is read
                await util.assertRead(room2);

                // Reading the thread causes it to become read too
                await util.openThread("Msg1");
                await util.assertReadThread("Msg1");
                await util.assertRead(room2);
            });

            test("Reading an older thread message leaves the thread unread", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given there are many messages in a thread
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "ThreadRoot",
                    ...msg.manyThreadedOff("ThreadRoot", many("InThread", 20)),
                ]);
                await util.assertUnread(room2, 1);
                await util.goTo(room2);
                await util.assertUnreadThread("ThreadRoot");
                await util.goTo(room1);

                // When I read an older message in the thread
                await msg.jumpTo(room2.name, "InThread0000", true);

                // Then the thread is still marked as unread
                await util.backToThreadsList();
                await util.assertUnreadThread("ThreadRoot");
            });

            test("Reading only one thread's message makes that thread read but not others", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given I have unread threads
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    "Msg2",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg2", "Resp2"),
                ]);
                await util.assertUnread(room2, 2); // (Sanity)
                await util.goTo(room2);
                await util.assertRead(room2);
                await util.assertUnreadThread("Msg1");
                await util.assertUnreadThread("Msg2");

                // When I read one of them
                await util.openThread("Msg1");

                // Then that one is read, but the other is not
                await util.assertReadThread("Msg1");
                await util.assertUnreadThread("Msg2");
            });

            test("Reading the main timeline does not mark a thread message as read", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given a thread exists
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg1", "Resp2"),
                ]);
                await util.assertUnread(room2, 1); // (Sanity)

                // When I read the main timeline
                await util.goTo(room2);
                await util.assertRead(room2);

                // Then thread does appear unread
                await util.assertUnreadThread("Msg1");
            });

            test("Marking a room with unread threads as read makes it read", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given I have an unread thread
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg1", "Resp2"),
                ]);
                await util.assertUnread(room2, 1); // (Sanity)

                // When I mark the room as read
                await util.markAsRead(room2);

                // Then the room is read
                await util.assertRead(room2);
                // and so are the threads
                await util.assertReadThread("Msg1");
            });

            test("Sending a new thread message after marking as read makes it unread", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given a thread exists
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg1", "Resp2"),
                ]);

                // When I mark the room as read
                await util.markAsRead(room2);
                await util.assertRead(room2);

                // Then another message appears in the thread
                await util.receiveMessages(room2, [msg.threadedOff("Msg1", "Resp3")]);

                // Then the thread becomes unread
                await util.goTo(room2);
                await util.assertUnreadThread("Msg1");
            });

            test("Sending a new different-thread message after marking as read makes it unread", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given 2 threads exist, and Thread2 has the latest message in it
                await util.goTo(room1);
                await util.receiveMessages(room2, ["Thread1", "Thread2", msg.threadedOff("Thread1", "t1a")]);
                // Make sure the message in Thread 1 has definitely arrived, so that we know for sure
                // that the one in Thread 2 is the latest.

                await util.receiveMessages(room2, [msg.threadedOff("Thread2", "t2a")]);

                // When I mark the room as read (making an unthreaded receipt for t2a)
                await util.markAsRead(room2);
                await util.assertRead(room2);

                // Then another message appears in the other thread
                await util.receiveMessages(room2, [msg.threadedOff("Thread1", "t1b")]);

                // Then the other thread becomes unread
                await util.goTo(room2);
                await util.assertUnreadThread("Thread1");
            });

            test("A room with a new threaded message is still unread after restart", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given a thread exists
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg1", "Resp2"),
                ]);
                await util.assertUnread(room2, 1); // (Sanity)

                // When I read the main timeline
                await util.goTo(room2);

                // Then room appears read
                await util.assertRead(room2);
                /// but with an unread thread
                await util.assertUnreadThread("Msg1");

                await util.saveAndReload();
                await util.assertRead(room2);
                await util.goTo(room2);
                await util.assertUnreadThread("Msg1");

                // Opening the thread now marks it as read
                await util.openThread("Msg1");
                await util.assertReadThread("Msg1");
            });

            test("A room where all threaded messages are read is still read after restart", async ({
                roomAlpha: room1,
                roomBeta: room2,
                util,
                msg,
            }) => {
                // Given I have read all the threads
                await util.goTo(room1);
                await util.receiveMessages(room2, [
                    "Msg1",
                    msg.threadedOff("Msg1", "Resp1"),
                    msg.threadedOff("Msg1", "Resp2"),
                ]);
                await util.assertUnread(room2, 1); // (Sanity)
                await util.goTo(room2);
                await util.assertRead(room2);
                await util.assertUnreadThread("Msg1");
                await util.openThread("Msg1");
                await util.assertReadThread("Msg1");

                // When I restart
                await util.saveAndReload();

                // Then the room & thread still read
                await util.assertRead(room2);
                await util.goTo(room2);
                await util.assertReadThread("Msg1");
            });
        });
    });
});