using System.Security.Claims;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.RateLimiting;
using SlpModularCms.Modules.Offerings.Models;
using SlpModularCms.Modules.Offerings.Services;

namespace SlpModularCms.Modules.Offerings.Controllers;

[ApiController]
[Route("offerings")]
[Authorize(Policy = "AdminOnly")]
public class OfferingsController(IOfferingsService service) : ControllerBase
{
    [HttpGet]
    [AllowAnonymous]
    [EnableRateLimiting("offerings-public")]
    public async Task<IActionResult> GetOfferings()
    {
        var offerings = await service.GetPublicOfferingsAsync();
        return Ok(offerings);
    }

    [HttpGet("admin")]
    public async Task<IActionResult> GetAllForAdmin()
    {
        var offerings = await service.GetAllForAdminAsync();
        return Ok(offerings);
    }

    [HttpPost("admin")]
    public async Task<IActionResult> Create([FromBody] CreateOfferingRequest request)
    {
        try
        {
            var dto = await service.CreateAsync(request, GetCallerId());
            return CreatedAtAction(nameof(GetAllForAdmin), null, dto);
        }
        catch (OfferingSlugConflictException ex)
        {
            return Conflict(new ProblemDetails { Status = StatusCodes.Status409Conflict, Title = ex.Message });
        }
    }

    [HttpPut("admin/{id:guid}")]
    public async Task<IActionResult> Update(Guid id, [FromBody] UpdateOfferingRequest request)
    {
        try
        {
            var dto = await service.UpdateAsync(id, request, GetCallerId());
            return dto is null ? NotFound() : Ok(dto);
        }
        catch (OfferingSlugConflictException ex)
        {
            return Conflict(new ProblemDetails { Status = StatusCodes.Status409Conflict, Title = ex.Message });
        }
    }

    [HttpDelete("admin/{id:guid}")]
    public async Task<IActionResult> Delete(Guid id)
    {
        var deleted = await service.DeleteAsync(id, GetCallerId());
        return deleted ? NoContent() : NotFound();
    }

    [HttpPut("admin/reorder")]
    public async Task<IActionResult> Reorder([FromBody] ReorderOfferingsRequest request)
    {
        await service.ReorderAsync(request.OrderedIds, GetCallerId());
        return NoContent();
    }

    [HttpPost("admin/{id:guid}/move-up")]
    public async Task<IActionResult> MoveUp(Guid id)
    {
        await service.MoveUpAsync(id, GetCallerId());
        return NoContent();
    }

    [HttpPost("admin/{id:guid}/move-down")]
    public async Task<IActionResult> MoveDown(Guid id)
    {
        await service.MoveDownAsync(id, GetCallerId());
        return NoContent();
    }

    private Guid GetCallerId()
    {
        var claim = User.FindFirstValue(ClaimTypes.NameIdentifier) ?? User.FindFirstValue("sub");
        return Guid.TryParse(claim, out var id) ? id : Guid.Empty;
    }
}