using Distribution.Infra.Authorization;
using Distribution.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace Distribution.Features.LoadingEvent;

[ApiController]
[Route("api/loading-sheets")]
public class LoadingSheetController(
    LoadingSheetService service,
    IScopeAccessService scopeAccess,
    ICurrentUserService currentUser) : ControllerBase
{
    [HttpGet]
    //[Authorize("loading-sheet.view")]
    public async Task<IActionResult> GetAll(
        [FromQuery] Guid? rideId,
        [FromQuery] LoadingSheetStatus? status,
        [FromQuery] Guid? routeId,
        [FromQuery] Guid? regionId,
        [FromQuery] int page = 1,
        [FromQuery] int pageSize = 20)
    {
        if (routeId.HasValue)
        {
            var userId = currentUser.UserId;
            if (userId.HasValue && !await scopeAccess.HasRouteScopeAsync(userId.Value, routeId.Value))
                return StatusCode(403);
        }

        if (regionId.HasValue)
        {
            var userId = currentUser.UserId;
            if (userId.HasValue && !await scopeAccess.HasRegionScopeAsync(userId.Value, regionId.Value))
                return StatusCode(403);
        }

        var result = await service.GetAllAsync(rideId, status, routeId, regionId, page, pageSize);
        return Ok(result);
    }

    [HttpGet("{id:guid}")]
    [Authorize("loading-sheet.view")]
    public async Task<IActionResult> GetById(Guid id)
    {
        var result = await service.GetByIdAsync(id);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpPost]
    [Authorize("loading-sheet.manage")]
    public async Task<IActionResult> Create(CreateLoadingSheetRequest request, CancellationToken ct)
    {
        // TEMPORARY: currentUser.UserId is always unset due to the broken auth middleware
        // (testbug.md #28) — fall back to the explicitly supplied user until that's fixed.
        var userId = currentUser.UserId ?? request.PopulatedByUserId;
        if (userId is null) return BadRequest(new { error = "PopulatedByUserId is required while auth is unavailable" });
        try
        {
            var result = await service.CreateAsync(request, userId.Value, ct);
            return CreatedAtAction(nameof(GetById), new { id = result.Id }, result);
        }
        catch (KeyNotFoundException) { return NotFound(); }
        catch (InvalidOperationException ex) { return BadRequest(new { error = ex.Message }); }
    }

    [HttpPut("{id:guid}/items")]
    [Authorize("loading-sheet.manage")]
    public async Task<IActionResult> SetItems(Guid id, SetItemsRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.SetItemsAsync(id, request, ct);
            return Ok(result);
        }
        catch (KeyNotFoundException) { return NotFound(); }
        catch (InvalidOperationException ex) { return BadRequest(new { error = ex.Message }); }
    }

    [HttpPost("{id:guid}/confirm")]
    [Authorize("loading-sheet.manage")]
    public async Task<IActionResult> Confirm(Guid id, ConfirmLoadingSheetRequest request, CancellationToken ct)
    {
        // TEMPORARY: currentUser.UserId is always unset due to the broken auth middleware
        // (testbug.md #28) — fall back to the explicitly supplied user until that's fixed.
        var userId = currentUser.UserId ?? request.ConfirmedByUserId;
        if (userId is null) return BadRequest(new { error = "ConfirmedByUserId is required while auth is unavailable" });
        try
        {
            var result = await service.ConfirmAsync(id, userId.Value, ct);
            return Ok(result);
        }
        catch (KeyNotFoundException) { return NotFound(); }
        catch (InvalidOperationException ex) { return BadRequest(new { error = ex.Message }); }
    }
}