using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.EntityFrameworkCore.Metadata.Internal;
using Portfolio.Application.Services.PokemonService;
using Portfolio.Domain.Features.Pokemon;

namespace Portfolio.WebUI.Server.Components.Component.Pokemon_Components
{
    public partial class PokemonAddForm
    {
        [Parameter] 
        public EventCallback<Pokemon> OnPokemonReady { get; set; }
        [Parameter]
        public EventCallback RemoveForm { get; set; }
        [Parameter]
        public bool mostRecentForm { get; set; }

        protected static readonly string[] PokemonTypes = new[]
        {
        "Grass","Fire","Water","Normal","Flying","Bug","Poison","Electric","Ground","Rock","Ice",
        "Steel","Fighting","Psychic","Dark","Fairy","Ghost","Dragon"
        };
        protected static readonly string[] SleepTypes = new[] { "Dozing", "Snoozing", "Slumbering" };
        protected static readonly string[] Specialities = new[] { "Berries", "Ingredients", "Skills", "All" };


        private bool HideLabel { get; set; } = true;
        private bool showErrors { get; set; } = false;

        private Pokemon NewPokemon = new Pokemon
        {
            PokemonId = 0, // Or any default ID logic
            PokemonName = string.Empty, // Required fields cannot be null
            SleepType = string.Empty,
            Speciality = string.Empty,
            IsVariation = false
        };

        private void Toggle() => HideLabel = !HideLabel;


        private string GetRoundingClass()
        {
            if (!HideLabel) {
                return "rounded-start";
            }
            return "rounded-start rounded-end";
        }

        // Minimal "complete" check (no data annotations needed)
        private bool IsComplete =>
            NewPokemon.PokemonId > 0 &&
            !string.IsNullOrWhiteSpace(NewPokemon.PokemonName) &&
            !string.IsNullOrWhiteSpace(NewPokemon.PokemonType) &&
            !string.IsNullOrWhiteSpace(NewPokemon.SleepType) &&
            !string.IsNullOrWhiteSpace(NewPokemon.Speciality) &&
            (!NewPokemon.IsVariation || !string.IsNullOrWhiteSpace(NewPokemon.VariationName));

        private IEnumerable<string> MissingFields()
        {
            if (NewPokemon.PokemonId <= 0) yield return "Pokédex #";
            if (string.IsNullOrWhiteSpace(NewPokemon.PokemonName)) yield return "Name";
            if (string.IsNullOrWhiteSpace(NewPokemon.PokemonType)) yield return "Type";
            if (string.IsNullOrWhiteSpace(NewPokemon.SleepType)) yield return "Sleep Type";
            if (string.IsNullOrWhiteSpace(NewPokemon.Speciality)) yield return "Specialty";
            if (NewPokemon.IsVariation && string.IsNullOrWhiteSpace(NewPokemon.VariationName)) yield return "Variation Name";
        }

        private async Task HandleRemove()
        {
            await RemoveForm.InvokeAsync();
        }

        private async Task SendPokemon()
        {
            if (!IsComplete)
            {
                showErrors = true;
                StateHasChanged();
                return;
            }

            // Optionally send a copy to avoid later mutation by the child
            var copy = new Pokemon
            {
                PokemonId = NewPokemon.PokemonId,
                PokemonName = NewPokemon.PokemonName,
                PokemonType = NewPokemon.PokemonType,
                SleepType = NewPokemon.SleepType,
                Speciality = NewPokemon.Speciality,
                IsVariation = NewPokemon.IsVariation,
                VariationName = NewPokemon.VariationName,
                PokemonImageUrl = NewPokemon.PokemonImageUrl,
                PokemonShinyImageUrl = NewPokemon.PokemonShinyImageUrl,
                FlavorText = NewPokemon.FlavorText
            };

            await OnPokemonReady.InvokeAsync(copy);
        }
    }
}