require "base64"
require "json"
require "net/http"
require "sequel"
require "sinatra"
require "uri"
require "xxhash"
require "zlib"

ALPHANUM = [*"0".."9", *"A".."Z", *"a".."z", "-", "_"].freeze

env_data = File.read(".env")
ENV_HASH = {}

env_data.each_line do |line|
  if (match = line.match(/^([A-Z_][A-Z0-9_]*)=(.*)$/))
    _, key, val = match
    ENV_HASH[key] = val
  end
end

CODE_ENV = :dev

db_file = File.expand_path("infinsweeper.db")
DB = Sequel.connect("sqlite:///#{db_file}", single_threaded: false)
DB.run("PRAGMA foreign_keys = ON;")
$active_users = DB[:SignedInUsers].all.map { |x| [x[:code], x[:player]] }.to_h

load "logman.rb"
load "mailer.rb"
load "players.rb"
load "session.rb"

set :public_folder, "public"

get "/" do
  session = Sessions.new request, response
  Logman.log session["message"]
  send_file "index.html"
end

get "/debug" do
  content_type :json
  (Sessions.new request, response).all.to_json
end

post "/signup" do
  session = Sessions.new request, response
  data = JSON.parse(request.body.read)
  if data["email"].nil? || data["pass"].nil? || data["username"].nil?
    status 400
    return { "message" => "Bad request made!" }.to_json
  end
  signup_status = Players.mk_player(data["username"], data["email"], data["pass"])
  if signup_status[0] == 200
    login_status = session.login(data["username"], data["pass"])
    status login_status[0]
    return { "message" => login_status[1] }.to_json
  end
  status signup_status[0]
  return { "message" => signup_status[1] }.to_json
end

get "/verify/:code" do
  session = Sessions.new request, response
  session["message"] = Players.verify(params[:code]) ? "Verified successfully!" : "Verification failed!"
  redirect "/"
end

post "/login" do
  data = JSON.parse(request.body.read)
  session = Sessions.new request, response
  uid = session["user"]
  if $active_users[uid] && !session.logout(uid)
    status 500
    return { "message" => "Internal server error when signing the existing session out!" }.to_json
  end
  login_status = session.login(data["username"], data["pass"])
  status login_status[0]
  return { "message" => login_status[1] }.to_json
end

post "/logout" do
  session = Sessions.new request, response
  uid = session["user"]
  if $active_users[uid].nil?
    status 400
    return { "message" => "Not signed in!" }.to_json
  end
  unless session.logout(uid)
    status 500
    return { "message" => "Internal server error when signing you out!" }.to_json
  end
  status 200
  return { "message" => "Signed out successfully!" }.to_json
end

post "/forgot_password" do
  data = JSON.parse(request.body.read)
  if data["email"].nil?
    status 400
    return { "message" => "Bad request made (Email not provided)!" }.to_json
  end
  Players.pass_req(data["email"])
  status 200
  return { "message" => "Email sent successfully!" }.to_json
end

get "/reset_password/:code" do
  redirect "/?reset_code=#{params[:code]}"
end

post "/reset_password/:code" do
  data = JSON.parse(request.body.read)
  if data["pass"].nil? || params[:code].nil?
    status 400
    return { "message" => "Bad request made!" }.to_json
  end
  if Players.pass_reset(data["pass"], params[:code])
    status 200
    return { "message" => "Password reset successfully!" }.to_json
  else
    status 400
    return { "message" => "Couldn't reset password!" }.to_json
  end
end

delete "/rm_player" do
  session = Sessions.new request, response
  uid = session["user"]
  if uid.nil? || $active_users[uid].nil?
    status 400
    return { "message" => "Not signed in!" }.to_json
  end
  if session.logout(uid) && Players.rm_player($active_users[uid])
    status 200
    return { "message" => "Sorry to see you go.." }.to_json
  else
    status 500
    return { "message" => "Couldn't delete!" }.to_json
  end
end