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

namespace Distribution.Features.Claims;

[ApiController]
public class ClaimController(ClaimService service, ICurrentUserService currentUser) : ControllerBase
{
    [HttpGet("api/claims")]
    [Authorize("claim.view")]
    public async Task<IActionResult> GetAll() =>
        Ok(await service.GetAllAsync());

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

    [HttpPost("api/claims")]
    [Authorize("claim.manage")]
    public async Task<IActionResult> Create(CreateClaimRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.CreateAsync(request, ct);
            return CreatedAtAction(nameof(GetById), new { id = result.Id }, result);
        }
        catch (InvalidOperationException ex) { return Conflict(new { error = ex.Message }); }
    }

    [HttpPut("api/claims/{id:guid}")]
    [Authorize("claim.manage")]
    public async Task<IActionResult> Update(Guid id, UpdateClaimRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.UpdateAsync(id, request, ct);
            return Ok(result);
        }
        catch (InvalidOperationException ex) { return Conflict(new { error = ex.Message }); }
    }

    [HttpPost("api/claims/{id:guid}/settle")]
    [Authorize("claim.manage")]
    public async Task<IActionResult> Settle(Guid id, SettleClaimRequest request, CancellationToken ct)
    {
        var userId = currentUser.UserId ?? request.SettledByUserId;
        if (userId is null) return BadRequest(new { error = "SettledByUserId is required while auth is unavailable" });
        try
        {
            var result = await service.SettleAsync(id, request, userId.Value, ct);
            return Ok(result);
        }
        catch (KeyNotFoundException) { return NotFound(); }
        catch (InvalidOperationException ex) { return Conflict(new { error = ex.Message }); }
    }
}