=begin
Copyright (C) 2024 Hexaitos
This file is part of "Predator Pics"

Predator Pics is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Predator Pics is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Foobar. If not, see <https://www.gnu.org/licenses/>.

Contact: me@bateleur.org, me@hexaitos.com. 
=end

require 'bundler/setup'

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

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 
    puts image = get_random_image(get_images_by_category(categories))

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

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

# API information
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