using System.Data;
using AMREZ.EOP.Abstractions.Applications.Tenancy;
using AMREZ.EOP.Abstractions.Applications.UseCases.Tenancy;
using AMREZ.EOP.Abstractions.Infrastructures.Common;
using AMREZ.EOP.Abstractions.Infrastructures.Repositories;
using Microsoft.AspNetCore.Http;

namespace AMREZ.EOP.Application.UseCases.Tenancy;

public sealed class DeleteTenantUseCase : IDeleteTenantUseCase
{
    private readonly ITenantResolver _resolver;
    private readonly IHttpContextAccessor _http;
    private readonly IUnitOfWork _uow;
    private readonly ITenantRepository _repo;

    public DeleteTenantUseCase(ITenantResolver resolver, IHttpContextAccessor http, IUnitOfWork uow, ITenantRepository repo)
    { _resolver = resolver; _http = http; _uow = uow; _repo = repo; }

    public async Task<bool> ExecuteAsync(string tenantKey, CancellationToken ct = default)
    {
        var http = _http.HttpContext ?? throw new InvalidOperationException("No HttpContext");
        var key = (tenantKey ?? string.Empty).Trim().ToLowerInvariant();
        if (string.IsNullOrWhiteSpace(key)) return false;

        var ctx = _resolver.Resolve(http, hint: null);
        if (ctx is null) return false;

        await _uow.BeginAsync(ctx, IsolationLevel.ReadCommitted, ct);
        try
        {
            var ok = await _repo.DeleteAsync(key, ct);
            if (!ok) { await _uow.RollbackAsync(ct); return false; }
            await _uow.CommitAsync(ct);
            return true;
        }
        catch
        {
            await _uow.RollbackAsync(ct);
            throw;
        }
    }
}