import 'package:dartterm/algorithms/dijkstra.dart';
import 'package:dartterm/algorithms/geometry.dart' as geo;
import 'package:dartterm/algorithms/shadowcasting.dart';
import 'package:dartterm/colors.dart';
import 'package:dartterm/skreek.dart';
import 'package:dartterm/terminal.dart';
import 'package:dartterm/world/level.dart';
import 'dart:math' as math;

part 'camera.dart';
part 'player.dart';
part 'fov.dart';

Future<void> sitemode(Level level) async {
  await SiteMode(level).start();
}

class SiteMode {
  Level level;
  late geo.Offset playerPosition;
  bool playerTookAutomatedAction = false;
  List<geo.Offset> playerIntendedPath = [];

  late geo.Offset camera;

  late Set<geo.Offset> fovVisible;
  late Set<geo.Offset> fovMovable;
  Set<geo.Offset> fovMemory = {};

  SiteMode(this.level) {
    playerPosition = level.spawn;

    init();
    maintain();
  }

  void init() {
    cameraInit();
  }

  void maintain() {
    playerMaintain();
    fovMaintain();
    cameraMaintain();
  }

  void draw() {
    clear();
    cameraDraw();
  }

  Future<void> start() async {
    while (true) {
      maintain();
      draw();

      // take automated actions, otherwise receive input
      if (playerTookAutomatedAction) {
        await zzz(0.1);
      } else {
        await waitMenu();
      }
    }
  }
}