# frozen_string_literal: true

module AccessPermissions
  class ProtocolsController < ApplicationController
    before_action :set_protocol
    before_action :check_read_permissions, only: %i(show)
    before_action :check_manage_permissions, except: %i(show)

    def new
      @user_assignment = UserAssignment.new(
        assignable: @protocol,
        assigned_by: current_user,
        team: current_team
      )

      respond_to do |format|
        format.json
      end
    end

    def show
      respond_to do |format|
        format.json
      end
    end

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

    def update
      @user_assignment = @protocol.user_assignments.find_by(
        user_id: permitted_update_params[:user_id],
        team: current_team
      )
      @user_assignment.update!(permitted_update_params)
      log_activity(:protocol_template_access_changed, @user_assignment)

      respond_to do |format|
        format.json do
          render :protocol_member
        end
      end
    end

    def create
      ActiveRecord::Base.transaction do
        created_count = 0
        permitted_create_params[:resource_members].each do |_k, user_assignment_params|
          next unless user_assignment_params[:assign] == '1'

          if user_assignment_params[:user_id] == 'all'
            @protocol.update!(default_public_user_role_id: user_assignment_params[:user_role_id])
          else
            user_assignment = UserAssignment.find_or_initialize_by(
              assignable: @protocol,
              user_id: user_assignment_params[:user_id],
              team: current_team
            )

            user_assignment.update!(
              user_role_id: user_assignment_params[:user_role_id],
              assigned_by: current_user,
              assigned: :manually
            )

            created_count += 1
            log_activity(:protocol_template_access_granted, user_assignment)
          end
        end

        respond_to do |format|
          @message = t('access_permissions.create.success', count: created_count)
          format.json { render :edit }
        end

      rescue ActiveRecord::RecordInvalid
        respond_to do |format|
          @message = t('access_permissions.create.failure')
          format.json { render :new }
        end
      end
    end

    def destroy
      user = @protocol.assigned_users.find(params[:user_id])
      user_assignment = @protocol.user_assignments.find_by(user: user, team: current_team)

      Protocol.transaction do
        if @protocol.visible?
          user_assignment.update!(
            user_role: @protocol.default_public_user_role,
            assigned: :automatically
          )
        else
          user_assignment.destroy!
        end
        log_activity(:protocol_template_access_revoked, user_assignment)
      end

      render json: { flash: t('access_permissions.destroy.success', member_name: user.full_name) }
    rescue ActiveRecord::RecordInvalid => e
      Rails.logger.error e.message
      render json: { flash: t('access_permissions.destroy.failure') }, status: :unprocessable_entity
      raise ActiveRecord::Rollback
    end

    def update_default_public_user_role
      @protocol.update!(permitted_default_public_user_role_params)
    end

    private

    def permitted_default_public_user_role_params
      params.require(:protocol).permit(:default_public_user_role_id)
    end

    def permitted_update_params
      params.require(:user_assignment)
            .permit(%i(user_role_id user_id))
    end

    def permitted_create_params
      params.require(:access_permissions_new_user_form)
            .permit(resource_members: %i(assign user_id user_role_id))
    end

    def set_protocol
      @protocol = current_team.protocols.includes(user_assignments: %i(user user_role)).find_by(id: params[:id])

      render_404 unless @protocol

      @protocol = @protocol.parent if @protocol.parent_id
    end

    def check_manage_permissions
      render_403 unless can_manage_protocol_users?(@protocol)
    end

    def check_read_permissions
      render_403 unless can_read_protocol_in_repository?(@protocol)
    end

    def log_activity(type_of, user_assignment)
      Activities::CreateActivityService
        .call(activity_type: type_of,
              owner: current_user,
              subject: @protocol,
              team: @protocol.team,
              project: nil,
              message_items: { protocol: @protocol.id,
                               user_target: user_assignment.user.id,
                               role: user_assignment.user_role.name })
    end
  end
end