using Microsoft.EntityFrameworkCore;
using YesChef.Api.Auth;
using YesChef.Api.Data;
using YesChef.Api.Entities;

namespace YesChef.Api.Features.Stores;

public static class StoreEndpoints
{
    public record CreateStoreRequest(string Name, int SortOrder = 0);
    public record UpdateStoreRequest(string Name, int SortOrder);

    public static RouteGroupBuilder MapStoreEndpoints(this RouteGroupBuilder group)
    {
        group.MapGet("/", async (YesChefDb db, HttpContext http) =>
        {
            var familyId = http.User.GetFamilyId();
            return await db.Stores
                .Where(s => s.FamilyId == familyId)
                .OrderBy(s => s.SortOrder).ThenBy(s => s.Name)
                .ToListAsync();
        });

        group.MapPost("/", async (CreateStoreRequest request, YesChefDb db, HttpContext http) =>
        {
            var store = new Store
            {
                FamilyId = http.User.GetFamilyId(),
                Name = request.Name,
                SortOrder = request.SortOrder,
            };
            db.Stores.Add(store);
            await db.SaveChangesAsync();
            return Results.Created($"/api/stores/{store.Id}", store);
        });

        group.MapPut("/{id:int}", async (int id, UpdateStoreRequest request, YesChefDb db, HttpContext http) =>
        {
            var familyId = http.User.GetFamilyId();
            var store = await db.Stores.FirstOrDefaultAsync(s => s.Id == id && s.FamilyId == familyId);
            if (store is null) return Results.NotFound();

            store.Name = request.Name;
            store.SortOrder = request.SortOrder;
            await db.SaveChangesAsync();
            return Results.Ok(store);
        });

        group.MapDelete("/{id:int}", async (int id, YesChefDb db, HttpContext http) =>
        {
            var familyId = http.User.GetFamilyId();
            var store = await db.Stores.FirstOrDefaultAsync(s => s.Id == id && s.FamilyId == familyId);
            if (store is null) return Results.NotFound();

            var hasLists = await db.ShoppingLists.AnyAsync(l => l.StoreId == id && l.FamilyId == familyId);
            if (hasLists) return Results.BadRequest(new { error = "Store has shopping lists. Remove them first." });

            db.Stores.Remove(store);
            await db.SaveChangesAsync();
            return Results.NoContent();
        });

        return group;
    }
}