# Nathan Hinton 19 Dec 2025
# Runs the server for the game

require 'sinatra'
require 'sinatra/cross_origin'
require 'json'

require './game'
require './player'

configure do
  enable :cross_origin
end

# CORS headers for all routes
before do
  headers 'Access-Control-Allow-Origin' => '*',  # Allow all domains (you can change '*' to a specific domain for security)
          'Access-Control-Allow-Methods' => 'GET, POST, OPTIONS',  # Allow only specific methods
          'Access-Control-Allow-Headers' => 'Content-Type, Authorization'
end



test = Game.new(width: 10, height: 10, planets: 20, name: 'TEST')
test.add_player(Player.new(name: 'hi'))
games = {'TEST' => test}


# Get the server status
#
# @return [String] UP
get '/status' do
  return 'UP'
end

# Creates a new game
#
# @param name [String] Required. The name of the game
# @param width [Integer] The width of the game space
# @param height [Integer] The height of the game space
# @param planets [Integer] The number of planets to have in the game
get '/create_game' do
  puts "Creating game named #{params['name']}"
  name = params['name']
  width = params['width'] || 10
  width = width.to_i
  height = params['height'] || 10
  height = height.to_i
  planets = params['planets'] || 20
  planets = planets.to_i
  games.update({name => Game.new(width: width, height: height, planets: planets, name: name)})
  return 'OK'
end


# Gets games available
#
# @param None
# @return [Array] list of game names
get '/list_games' do
  return games.keys.to_json
end


# old: # Returns true if the given player is part of the game
# old: #
# old: # @params game [String] Goes in the splat
# old: # @params player_name [String] The name of the player to validate
# old: # @return [Boolean]
# old: get '/game/*/players' do
# old:   game = validate_game(params['splat'][0])
# old:   if game
# old:     {"status" => game.find_player(params['player_name'])}.to_json
# old:   end
# old:   return {"status" => false}.to_json
# old: end


# Returns a player id for a given game
#
# @params game [String] Goes in the splat
# @params player_name [String] The name of the player to add
# @return [String] The ID for that player
get '/game/*/player_id' do
  game = validate_game(params['splat'][0])
  if game
    player = game.find_player(params['player_name'])
    if player
      return {"status" => player.get_id}.to_json
    end
  end
  return {"status" => false}.to_json
end


# Returns data about how the game is set up

# Returns the planets owned by a player
#
# @params game [String] Goes in the splat
# @params id [String] URL argument for player id.
get '/game/*/get_captured_planets' do
  game = validate_game(params['splat'][0])
  if game
    begin
      return {'planets' => game.get_captured_planets(params['id'])}.to_json
    end
  end
  return {"status" => false}.to_json
end


# Validates that a game exists:
#
# @param key [String] The name of the game to check for
# @return [Game] The game the key belongs to. (Or nil if not found)
def validate_game(name)
  return games[name]
end