using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using QMax.Api.Data;
using QMax.Api.Data.Entities;
using QMax.Api.Infrastructure.Auth;

namespace QMax.Api.Controllers;

[ApiController]
[Authorize]
[Route("api/push")]
public sealed class PushController(QMaxDbContext db) : ControllerBase
{
    public sealed record RegisterPushDeviceRequest(string FirebaseToken, string Platform);

    [HttpPost("devices")]
    public async Task<IActionResult> Register(RegisterPushDeviceRequest request, CancellationToken cancellationToken)
    {
        if (string.IsNullOrWhiteSpace(request.FirebaseToken))
        {
            return BadRequest("firebaseToken is required.");
        }

        var userId = User.GetUserId();
        var device = await db.PushDevices.FirstOrDefaultAsync(x => x.FirebaseToken == request.FirebaseToken, cancellationToken);
        if (device is null)
        {
            device = new PushDevice { FirebaseToken = request.FirebaseToken };
            db.PushDevices.Add(device);
        }

        device.UserId = userId;
        device.Platform = string.IsNullOrWhiteSpace(request.Platform) ? "android" : request.Platform;
        device.UpdatedAt = DateTimeOffset.UtcNow;
        await db.SaveChangesAsync(cancellationToken);
        return NoContent();
    }

    [HttpDelete("devices/{id:guid}")]
    public async Task<IActionResult> Delete(Guid id, CancellationToken cancellationToken)
    {
        var userId = User.GetUserId();
        var device = await db.PushDevices.FirstOrDefaultAsync(x => x.Id == id && x.UserId == userId, cancellationToken);
        if (device is null)
        {
            return NotFound();
        }

        db.PushDevices.Remove(device);
        await db.SaveChangesAsync(cancellationToken);
        return NoContent();
    }
}