LiteracyVolunteersOfMA/lvm-rails

class TagsController < ApplicationController
  before_action :set_tag, only: %i[show edit update destroy]
  before_action :ensure_coordinator_or_admin!, only: %i[index show]

  add_breadcrumb 'Home', :root_path

  def index
    add_breadcrumb 'Tags'

    @clickable_rows = false
    @page_title = 'Tags'
    @models = Tag.all
    @headers = [
      'Name',
      'Count',
      'Created',
      'Updated'
    ]
    @columns = [
      'name',
      'count',
      'created_string',
      'updated_string'
    ]
  end

  def show
    @tagged_students = Tagging.where(tag_id: @tag.id, tutor_id: nil).map do |t|
      Student.of(current_user).find(t.student_id)
    end

    @tagged_tutors = Tagging.where(tag_id: @tag.id, student_id: nil).map do |t|
      Tutor.of(current_user).find(t.tutor_id)
    end

    respond_to do |format|
      format.js
    end
  end

  def edit
    respond_to do |format|
      format.js
    end
  end

  def update
    if @tag.update(tag_params)
      redirect_to tags_path, notice: 'Tag was successfully updated.'
    else
      redirect_to tags_path,
                  alert: 'Save failed. Another tag with the same name
                          already exists.'
    end
  end

  def destroy
    @tag.destroy
    redirect_to tags_url, notice: 'Tag was successfully deleted.'
  end

  def create
    @tag = Tag.new(tag_params)

    if @tag.save
      respond_to do |format|
        format.html { redirect_to(tags_path) }
        format.json { render json: @tag }
      end
    else
      redirect_to tags_path,
                  alert: 'Creation failed. Another tag with the same name
                          already exists.'
    end
  end

  private

  def set_tag
    @tag = Tag.find(params[:id])
  end

  def tag_params
    params.require(:tag).permit(:name)
  end
end