class ContestantsController < ApplicationController
  before_action :set_contest
  before_action :set_contestant, only: %i[ destroy edit update]
  before_action :set_completions, only: %i[edit update ]

  def edit
    @title = "Edit contestant"
  end

  def new
    @contestant = Contestant.new
    @title = "New contestant"
  end

  def create
    @contestant = Contestant.new(contestant_params)
    @contestant.contest_id = @contest.id
    if @contestant.save
      redirect_to contest_path(@contest)
    else
      @title = "New contestant"
      render :new, status: :unprocessable_entity
    end
  end

  def update
    if @contestant.update(contestant_params)
      redirect_to @contest
    else
      @title = "Edit contestant"
      render :edit, status: :unprocessable_entity
    end
  end

  def destroy
    @contestant.destroy
    redirect_to contest_path(@contest)
  end

  private

  def set_contest
    @contest = Contest.find(params[:contest_id])
  end

  def set_contestant
    @contestant = Contestant.find(params[:id])
  end

  def set_completions
    @completions = @contestant.completions
  end

  def contestant_params
    params.expect(contestant: [ :email, :name ])
  end
end