<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/abl_lesson"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@android:color/white"
        android:elevation="1.5dp"
        android:stateListAnimator="@null">

        <androidx.appcompat.widget.Toolbar
            android:id="@+id/toolbar_lesson"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:titleTextColor="@color/colorPrimaryDark" />

    </com.google.android.material.appbar.AppBarLayout>

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/abl_lesson"
        android:layout_above="@+id/v_comment_divider"
        android:fillViewport="true">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">


            <LinearLayout
                android:id="@+id/vg_lesson_header"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <TextView
                    android:id="@+id/tv_lesson_name"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="start|center"
                    android:layout_marginStart="16dp"
                    android:layout_marginTop="5dp"
                    android:ellipsize="end"
                    android:fontFamily="@font/lato_bold"
                    android:maxLines="1"
                    android:textColor="@color/colorPrimaryDark"
                    android:textSize="@dimen/h7"
                    tools:text="Course name" />

                <com.google.android.exoplayer2.ui.SimpleExoPlayerView
                    android:id="@+id/vv_lesson_video"
                    android:layout_width="match_parent"
                    android:layout_height="205dp"
                    android:layout_marginTop="5dp"
                    app:controller_layout_id="@layout/exo_custom_layout"
                    app:resize_mode="fit"
                    app:surface_type="texture_view" />

            </LinearLayout>

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/rv_lesson_comments"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_below="@+id/vg_lesson_header"
                android:background="@color/colorGreyBackground"
                tools:listitem="@layout/item_incoming_comment"
                tools:visibility="visible" />


        </RelativeLayout>
    </ScrollView>

    <View
        android:id="@+id/v_comment_divider"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_above="@+id/vg_send_comment"
        android:background="@color/colorGreyBackground" />

    <LinearLayout
        android:id="@+id/vg_send_comment"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true">

        <FrameLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:padding="10dp"
            android:visibility="gone">

            <ImageView
                android:id="@+id/iv_comment_attach"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:src="@drawable/ic_slice_blue" />
        </FrameLayout>

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/et_lesson_comment"
            style="@style/Widget.MaterialComponents.TextInputEditText.OutlinedBox"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_weight="1"
            android:background="@android:color/transparent"
            android:fontFamily="@font/lato_medium"
            android:hint="@string/type_your_message"
            android:maxLines="5"
            android:paddingStart="20dp"
            android:paddingEnd="5dp"
            android:textColor="@color/colorPrimaryDark"
            android:textColorHint="@color/colorAccent" />

        <FrameLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:padding="10dp">

            <ImageView
                android:id="@+id/iv_comment_send"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:padding="2dp"
                android:src="@drawable/ic_send_blue" />
        </FrameLayout>
    </LinearLayout>
</RelativeLayout>