class ParticipantsController < ApplicationController
  before_action :set_participant, only: [:show, :edit, :update, :destroy]
  
  def index
    @participants = Participant.order(:last_name).page(params[:page]).per(5) # Adjust the number per page as needed
    
  end
  

  def show
    @participant = Participant.includes(:employments).find(params[:id])
    @workers = @participant.workers  # Fetch associated workers
    @employment = Employment.new  # Initialize a new Employment object
    @participant = Participant.includes(employments: :worker).find(params[:id])
    @employments = @participant.employments.joins(:worker).order('workers.last_name')
  end
  

  def new
    @participant = Participant.new
  end

  def create
    @participant = Participant.new(participant_params)
    Participant.transaction do
      if params[:is_employer] == 'yes'
        employer = Employer.create!(employer_params_from_participant(@participant))
        @participant.employer = employer
      end

      if @participant.save
        redirect_to @participant, notice: 'Participant was successfully created.'
      else
        raise ActiveRecord::Rollback, "Participant could not be saved"
      end
    end
  rescue ActiveRecord::RecordInvalid => e
    Rails.logger.error("Participant creation failed: #{e.message}")
    flash.now[:alert] = "Error: #{e.message}"
    render :new
  end
  
  def edit
  end

  def update
    if @participant.update(participant_params)
      redirect_to @participant, notice: 'Participant was successfully updated.'
    else
      render :edit
    end
  end

  def destroy
    @participant.destroy
    redirect_to participants_url, notice: 'Participant was successfully destroyed.'
  end

  def link_worker
    @participant = Participant.find(params[:id])
    employment = @participant.employments.new(employment_params)
    if employment.save
      redirect_to @participant, notice: 'Worker was successfully linked.'
    else
      # Assuming you have a show or edit page to render
      render 'show', alert: 'Failed to link worker.'
    end
  end

  private

  def set_participant
    @participant = Participant.find(params[:id])
  end

  def participant_params
    params.require(:participant).permit(:first_name, :last_name, :address, :phone, :email, :mci, :dob, :ssn, :gender, :employer_id)
  end
  
  def employer_params_from_participant(participant)
    {
      name: "#{participant.first_name} #{participant.last_name}",
      address: participant.address,
      phone: participant.phone,
      email: participant.email,
      dob: participant.dob,       # Mapping Date of Birth
      ssn: participant.ssn,       # Mapping SSN
      gender: participant.gender  # Mapping Gender
    }
  end

  def employment_params
    params.require(:employment).permit(:worker_id, :start_date, :end_date)
  end
end