LoadGameplayState

using Cinemachine;
using UnityEngine;

namespace AnimalSimulator.Infrastructure.States
{
    using Factory;
    using Tags;
    using Player;
    using Services;
    using Services.Gameplay;
    using Services.Inputs;

    public class LoadGameplayState : IPayloadedState<ServicesContainer>
    {
        private readonly GameStateMachine _stateMachine;

        public LoadGameplayState(GameStateMachine gameStateMachine) =>
            _stateMachine = gameStateMachine;

        public void Enter(ServicesContainer mainServices)
        {
            //GetSubContainers
            var gameplayContainer = mainServices.GetSubContainers(Constants.Containers.Gameplay);
            var uiContainer = mainServices.GetSubContainers(Constants.Containers.UI);

            // Get Services
            var gameplayUIService = uiContainer.Single<IGameplayUIService>();
            // - Gameplay
            var islandsService = gameplayContainer.Single<IIslandsService>();
            var gameFactory = gameplayContainer.Single<IGameplayFactory>();
            var inputService = gameplayContainer.Single<IInputService>();
            var inputFactory = gameplayContainer.Single<IInputFactory>();

            // Get Services properties
            var camera = gameFactory.CreateCameraBrain();

            // UI
            gameplayUIService.Initialize(camera, onRootCreated: InitInput);

            // Input
            void InitInput() =>
                inputService.CreateInputs(inputFactory);

            var player = InitPlayer(gameFactory, inputService);

            InitPlayerCamera(player, gameFactory);

            islandsService.Initialize(player);

            _stateMachine.Enter<GameLoopState>();
        }

        public void Exit()
        {
        }

        private GameObject InitPlayer(IGameplayFactory factory, IInputService input)
        {
            var player = factory.CreatePlayer();

            var inputController = player.GetComponent<PlayerInputController>();

            inputController.Construct(input);

            return player;
        }

        private void InitPlayerCamera(GameObject player, IGameplayFactory gameplayFactory)
        {
            var camera = gameplayFactory.CreateLookCamera();

            var freeLook = camera.GetComponent<CinemachineFreeLook>();

            var cameraAim = player.GetComponentInChildren<CameraAim>();
            var cameraTarget = player.GetComponentInChildren<CameraTarget>();

            freeLook.Follow = cameraAim.transform;
            freeLook.LookAt = cameraTarget.transform;
        }
    }
}