class HoldingsController < ApplicationController
  before_action :set_holding, only: %i[show update destroy unlock_cost_basis]

  def index
    @account = Current.family.accounts.find(params[:account_id])
  end

  def show
  end

  def update
    total_cost_basis = holding_params[:cost_basis].to_d

    if total_cost_basis >= 0 && @holding.qty.positive?
      # Convert total cost basis to per-share cost (the cost_basis field stores per-share)
      # Zero is valid for gifted/inherited shares
      per_share_cost = total_cost_basis / @holding.qty
      @holding.set_manual_cost_basis!(per_share_cost)
      flash[:notice] = t(".success")
    else
      flash[:alert] = t(".error")
    end

    # Redirect to account page holdings tab to refresh list and close drawer
    redirect_to account_path(@holding.account, tab: "holdings")
  end

  def unlock_cost_basis
    @holding.unlock_cost_basis!
    flash[:notice] = t(".success")

    # Redirect to account page holdings tab to refresh list and close drawer
    redirect_to account_path(@holding.account, tab: "holdings")
  end

  def destroy
    if @holding.account.can_delete_holdings?
      @holding.destroy_holding_and_entries!
      flash[:notice] = t(".success")
    else
      flash[:alert] = "You cannot delete this holding"
    end

    respond_to do |format|
      format.html { redirect_back_or_to account_path(@holding.account) }
      format.turbo_stream { render turbo_stream: turbo_stream.action(:redirect, account_path(@holding.account)) }
    end
  end

  private
    def set_holding
      @holding = Current.family.holdings.find(params[:id])
    end

    def holding_params
      params.require(:holding).permit(:cost_basis)
    end
end