using BakeryErp.Infrastructure.Database;
using BakeryErp.Infrastructure.Repositories;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace BakeryErp.Web.Pages;

public sealed class ItemsModel : PageModel
{
    private readonly ItemRepository _itemRepository;

    public ItemsModel(ItemRepository itemRepository) => _itemRepository = itemRepository;

    [BindProperty] public LocalItem Form { get; set; } = new();
    [TempData] public string? Message { get; set; }
    [TempData] public string? ErrorMessage { get; set; }
    public IReadOnlyList<LocalItem> Items { get; private set; } = [];

    public void OnGet(Guid? editId)
    {
        Items = _itemRepository.List();
        Form = editId is null ? new LocalItem() : _itemRepository.Find(editId.Value) ?? new LocalItem();
    }

    public IActionResult OnPostSave()
    {
        var result = _itemRepository.Save(Form);
        if (!result.IsSuccess) { ErrorMessage = result.ErrorMessage; return RedirectToPage(); }
        Message = "品項已儲存。";
        return RedirectToPage();
    }

    public IActionResult OnPostToggle(Guid id, bool isActive)
    {
        _itemRepository.SetActive(id, isActive);
        Message = isActive ? "品項已啟用。" : "品項已停用。";
        return RedirectToPage();
    }

    public string GetItemTypeName(LocalItemType type) => type switch
    {
        LocalItemType.RawMaterial => "原物料",
        LocalItemType.SemiFinished => "半成品",
        LocalItemType.FinishedProduct => "成品",
        LocalItemType.Packaging => "包材",
        LocalItemType.ExpenseSupply => "耗材",
        _ => type.ToString()
    };
}