<meta name="turbo-refresh-scroll" content="preserve">

<turbo-frame id="likes">
  <% if user.likes.exists?(post: post) %>
    <%= button_to post_like_path(post, user.likes.find_by(post: post)), method: :delete do %>
      Unlike
    <% end %>
  <% else %>
    <%= button_to post_likes_path(post), method: :post do %>
      Like
    <% end %>
  <% end %>
</turbo-frame>

<!-- app/views/posts/_title.html.erb -->
<h1 id="title">
  <%= post.title %> (<%= pluralize(post.likes.count, "like") %>)
</h1>

<%= render partial: "title", locals: { post: @post } %>

<!-- app/views/likes/create.turbo_stream.erb -->
<%= turbo_stream.replace "likes" do %>
  <%= render partial: "likes/like", locals: { user: Current.user, post: @post } %>
<% end %>
<%= turbo_stream.replace "title" do %>
  <%= render partial: "posts/title", locals: { post: @post } %>
<% end %>

class LikesController < ApplicationController
  before_action :set_post, only: %w[create destroy]

  def create
    respond_to do |format|
      Current.user.likes.create(post: @post)
      format.html { redirect_to root_path }
      format.turbo_stream
    end
  end

  def destroy
    respond_to do |format|
      Current.user.likes.find_by(post: @post)&.destroy
      format.html { redirect_to root_path }
      format.turbo_stream
    end
  end

  private

  def set_post
    @post = Post.find(params[:post_id])
  end
end