require_dependency "expense_gun/application_controller"

module ExpenseGun
  class ExpensesController < ApplicationController
    before_action :set_expense, only: [:show, :edit, :update, :destroy, :submit, :accept, :refuse, :cancel]
    
    def index
      authorize! :list, Expense
      
      if params[:state].blank?
        redirect_to state: "submited"
        return
      end
      
      if params[:state] == "all"
        @expenses ||= Expense.all
      else
        @expenses ||= Expense.where(state: params[:state])
      end
      
      @expenses = @expenses.page(params[:page])
      @all_expenses ||= Expense.all
    end
    
    def new
      authorize! :create, Expense
      
      @expense ||= Expense.new
    end
    
    def create
      authorize! :create, Expense
      
      @expense ||= Expense.new(expense_params)
      
      if @expense.save
        flash[:success] = t("expense_gun.expense.flash.created")
        redirect_to expense_path(@expense)
      else
        render :new
      end
    end
    
    def show
      authorize! :show, @expense
    end
    
    def edit
      authorize! :edit, @expense
      
      @expense_line ||= ExpenseGun::ExpenseLine.new
    end
    
    def update
      authorize! :edit, @expense
      
      if @expense.update_attributes(expense_params)
        flash[:success] = t("expense_gun.expense.flash.updated")
        redirect_to expense_path(@expense)
      else
        render :edit
      end
    end
    
    def submit
      authorize! :submit, @expense
      
      @expense.submit!
      flash[:success] = t("expense_gun.expense.flash.submited")
      redirect_to expenses_path
    end
    
    def accept
      authorize! :accept, @expense
      
      @expense.accept!
      flash[:success] = t("expense_gun.expense.flash.accepted")
      redirect_to expense_path(@expense)
    end
    
    def refuse
      authorize! :refuse, @expense
      
      @expense.refuse!
      flash[:success] = t("expense_gun.expense.flash.refused")
      redirect_to expenses_path
    end
    
    def cancel
      authorize! :cancel, @expense
      
      @expense.cancel!
      flash[:success] = t("expense_gun.expense.flash.canceled")
      redirect_to expenses_path
    end
    
    private
    
    def set_expense
      @expense = Expense.find(params[:id])
    end
    
    def expense_params
      params.require(:expense).permit!
    end
  end
end