import 'dart:math' as math;
import 'package:dartterm/assets.dart';
import 'package:dartterm/algorithms/geometry.dart' as geo;
import 'package:dartterm/colors.dart';
import 'package:dartterm/gen/generator.dart';
import 'package:dartterm/input.dart';
import 'package:dartterm/skreek.dart';
import 'package:dartterm/terminal.dart';
import 'package:dartterm/world/level.dart';

void generator_test_program() async {
  Vaults vaults;
  while (true) {
    skreek("about to load template");
    at(0, 0).clear();
    at(0, 0).puts("Loading template!");
    Vaults? maybeVaults =
        getVaultsIfAvailable("assets/images/vaults/house1.png");

    if (maybeVaults != null) {
      skreek("wasn't null!");
      vaults = maybeVaults;
      break;
    }
    await zzz(0.1);
  }

  at(0, 0).clear();
  at(0, 0).puts("Loaded! $vaults");

  int seed = 0;

  while (true) {
    clear();
    Level output =
        Generator(math.Random(seed), vaults).generateLevel(Requirement(
            16,
            32,
            16,
            18,
            DirectionSet({
              Direction.up,
              Direction.down,
              Direction.left,
              Direction.right,
            })));
    var geo.Size(dx: w, dy: h) = output.size;
    for (var y = 0; y < h; y++) {
      for (var x = 0; x < w; x++) {
        var cursor = at(x * 2, y * 2).big();
        switch (output.tiles.get(x, y)) {
          case LevelTile.floor:
          case LevelTile.openDoor:
            cursor.puts(" ");
          case LevelTile.closedDoor:
            cursor.fg(Palette.demoDoor).puts("+");
          case LevelTile.exit:
            cursor.fg(Palette.demoExit).puts("X");
          case LevelTile.wall:
            cursor.puts("#");
          case null:
            cursor.puts("?");
        }
      }
    }
    at(output.spawn.x * 2, output.spawn.y * 2)
        .fg(Palette.demoPlayer)
        .big()
        .puts("\u00ff");
    inpLoop:
    await for (var inp in rawInput()) {
      skreek("$inp $seed");
      switch (inp) {
        case Keystroke(text: "a"):
          seed -= 1;
          break inpLoop;
        case Keystroke(text: "d"):
          seed += 1;
          break inpLoop;
        default:
      }
    }
  }
}