using Microsoft.Extensions.Options;
using SpaceGame.Api.Universe.Scenario;
using SpaceGame.Api.Universe.Simulation;

namespace SpaceGame.Api.Universe.Bootstrap;

public sealed class WorldBootstrapper
{
    private readonly BalanceOptions _defaultBalance;
    private readonly WorldGenerationOptions _defaultWorldGeneration;
    private readonly StaticDataCatalog _staticData;
    private readonly ScenarioLoader _scenarioLoader;
    private readonly SystemTemplateLoader _systemTemplateLoader;
    private readonly WorldBuilder _worldBuilder;

    public WorldBootstrapper(
      StaticDataCatalog staticData,
      ScenarioLoader scenarioLoader,
      SystemTemplateLoader systemTemplateLoader,
      WorldBuilder worldBuilder,
      IOptions<BalanceOptions> defaultBalanceOptions,
      IOptions<WorldGenerationOptions> defaultWorldGenerationOptions)
    {
        _defaultBalance = defaultBalanceOptions.Value;
        _defaultWorldGeneration = defaultWorldGenerationOptions.Value;
        _staticData = staticData;
        _scenarioLoader = scenarioLoader;
        _systemTemplateLoader = systemTemplateLoader;
        _worldBuilder = worldBuilder;
    }

    public SimulationWorld Bootstrap()
    {
        var scenario = _scenarioLoader.Load();
        var gameStartOptions = scenario?.GameStartOptions ?? new GameStartOptionsDefinition
        {
            Seed = 1,
            WorldGeneration = _defaultWorldGeneration,
        };

        return _worldBuilder.Build(
          _staticData,
          _defaultBalance,
          _systemTemplateLoader.Load(),
          gameStartOptions,
          scenario);
    }
}