using PetCompanion.Models;
using PetCompanion.Repositories;

namespace PetCompanion.Services
{
    public class PetActionService
    {
        private readonly ActionGatheredRepository actionGatheredRepository;
        private readonly PetRepository petRepository;
        private readonly GameItemService gameItemService;

        public PetActionService(ActionGatheredRepository actionGatheredRepository, GameItemService gameItemService, PetRepository petRepository)
        {
            this.actionGatheredRepository = actionGatheredRepository;
            this.gameItemService = gameItemService;
            this.petRepository = petRepository;
        }

        public IEnumerable<ActionGathered> GetGatheredByPet(string petId)
        {
            return actionGatheredRepository.GetAllActionGatheredByPetId(petId);
        }

        public void DeleteAllActionGatheredByPetId(string petId)
        {
            actionGatheredRepository.DeleteAllActionGatheredByPetId(petId);
        }

        public void LoopPetActions()
        {
            var pets = petRepository.GetPetWithActions();

            foreach (var pet in pets)
            {
                var gatheredResources = CalculateGatheredResources(pet);

                if (gatheredResources != null)
                {
                    var gatheredResourcesDb = actionGatheredRepository.GetAllActionGatheredByPetId(pet.Id);

                    foreach (var resource in gatheredResources)
                    {
                        if (gatheredResourcesDb.Any(ag => ag.Resource == resource.Resource))
                        {
                            var existingResource = gatheredResourcesDb.First(ag => ag.Resource == resource.Resource);
                            existingResource.Amount += resource.Amount;
                            actionGatheredRepository.UpdateActionGathered(existingResource);
                        }
                        else
                        {
                            actionGatheredRepository.CreateActionGathered(resource);
                        }
                    }
                }
            }
        }

        public ICollection<ActionGathered>? CalculateGatheredResources(Pet pet)
        {
            if (pet.PetGatherAction == PetActionGather.IDLE)
                return null;

            var timeElapsed = (DateTime.UtcNow - pet.GatherActionSince).TotalMinutes;

            var gathered = new List<ActionGathered>();

            var baseRate = (timeElapsed + pet.Level) / 10; // Base rate per hour
            gathered.Add(new ActionGathered
            {
                Resource = "Junk",
                Amount = (int)(baseRate * 0.2)
            });
            
            var random = new Random();

            switch (pet.PetGatherAction)
            {
                case PetActionGather.GATHERING_WISDOM:
                    gathered.Add(new ActionGathered
                    {
                        Resource = "Wisdom",
                        Amount = (int)(baseRate * (pet.Stats.Intelligence * 0.5))
                    });
                    break;
                case PetActionGather.GATHERING_GOLD:
                    gathered.Add(new ActionGathered
                    {
                        Resource = "Gold",
                        Amount = (int)(baseRate * (pet.Stats.Charisma * 0.5))
                    });
                    break;
                case PetActionGather.GATHERING_FOOD:
                    gathered.Add(new ActionGathered
                    {
                        Resource = "Food",
                        Amount = (int)(baseRate * (pet.Stats.Strength * 0.5))
                    });
                    break;
                case PetActionGather.EXPLORE:
                    gathered.Add(new ActionGathered
                    {
                        Resource = "Wisdom",
                        Amount = (int)(baseRate * (pet.Stats.Strength * 0.25))
                    });

                    if (random.Next(0, 100) < 5)
                    {
                        pet.Health -= 5;
                    }

                    if (random.Next(0, 100) < 5)
                    {
                        gathered.Add(new ActionGathered
                        {
                            ItemId = gameItemService.GetRandomItem().Id,
                            Amount = 1
                        });
                    }

                    break;
                case PetActionGather.BATTLE:
                    gathered.Add(new ActionGathered
                    {
                        Resource = "Gold",
                        Amount = (int)(baseRate * (pet.Stats.Strength * 0.25))
                    });

                    if (random.Next(0, 100) < 10)
                    {
                        pet.Health -= random.Next(5, 10);
                    }

                    if (random.Next(0, 100) < 10)
                    {
                        gathered.Add(new ActionGathered
                        {
                            ItemId = gameItemService.GetRandomItem().Id,
                            Amount = 1
                        });
                    }

                    break;
            }

            for (int i = 0; i < gathered.Count; i++)
            {
                gathered[i].PetId = pet.Id;
            }

            return gathered;
        }
    }
}