require 'json'
require 'faraday'
require 'sinatra'
require 'sinatra/namespace'

require_relative 'get_images_by_category.rb'
require_relative 'get_random_image.rb'

set :environment, :production
set :server, %w[thin mongrel webrick]

categories = File.readlines("categories.txt")

# Index
get '/' do 
    image = get_random_image(get_images_by_category(categories))

    erb :index, locals: { image: image }
end

# About page
get '/about' do
    erb :about
end

get '/about-api' do
    erb :api
end

# API
namespace "/api" do
    before do
        content_type 'application/json'
      end

    get '/random' do
        image = get_random_image(get_images_by_category(categories))
        image.to_json
    end

    get '/categories' do
        content_type :json
        categories_trimmed = []

        categories.each do |category|
            categories_trimmed << category.delete("\n")
        end

        categories_trimmed.to_json
    end
end