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

namespace Distribution.Features.Region;

[ApiController]
[Route("api/regions")]
public class RegionController(
    RegionService service,
    IScopeAccessService scopeAccess,
    ICurrentUserService currentUser) : ControllerBase
{
    [HttpGet]
    [Authorize("region.view")]
    public async Task<IActionResult> GetAll() =>
        Ok(await service.GetAllAsync());

    [HttpGet("next-code")]
    [Authorize("region.view")]
    public async Task<IActionResult> GetNextCode() =>
        Ok(await service.GetNextCodeAsync());

    [HttpGet("{id:guid}")]
    [Authorize("region.view")]
    public async Task<IActionResult> GetById(Guid id)
    {
        var userId = currentUser.UserId;
        if (userId.HasValue && !await scopeAccess.HasRegionScopeAsync(userId.Value, id))
            return StatusCode(403);
        var result = await service.GetByIdAsync(id);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpPost]
    [Authorize("region.manage")]
    public async Task<IActionResult> Create(CreateRegionRequest request, CancellationToken ct)
    {
        var result = await service.CreateAsync(request, ct);
        return CreatedAtAction(nameof(GetById), new { id = result.Id }, result);
    }

    [HttpPut("{id:guid}")]
    [Authorize("region.manage")]
    public async Task<IActionResult> Update(Guid id, UpdateRegionRequest request, CancellationToken ct)
    {
        var result = await service.UpdateAsync(id, request, ct);
        return result is null ? NotFound() : Ok(result);
    }

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

    [HttpGet("{id:guid}/manager")]
    [Authorize("region.view")]
    public async Task<IActionResult> GetManager(Guid id)
    {
        var result = await service.GetManagerAsync(id);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpPut("{id:guid}/manager")]
    [Authorize("region.manage")]
    public async Task<IActionResult> SetManager(Guid id, SetRegionManagerRequest request, CancellationToken ct)
    {
        try
        {
            var result = await service.SetManagerAsync(id, request, ct);
            return result is null ? NotFound() : Ok(result);
        }
        catch (InvalidOperationException ex)
        {
            return BadRequest(new { error = ex.Message });
        }
    }

    [HttpDelete("{id:guid}/manager")]
    [Authorize("region.manage")]
    public async Task<IActionResult> RemoveManager(Guid id, CancellationToken ct)
    {
        var removed = await service.RemoveManagerAsync(id, ct);
        return removed ? NoContent() : NotFound();
    }

    [HttpPut("{id:guid}/manage")]
    [Authorize("region.manage")]
    public async Task<IActionResult> Manage(Guid id, ManageRegionRequest request, CancellationToken ct)
    {
        var result = await service.ManageAsync(id, request, ct);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpGet("{id:guid}/hierarchy")]
    [Authorize("region.view")]
    public async Task<IActionResult> GetHierarchy(Guid id)
    {
        var result = await service.GetHierarchyAsync(id);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpGet("{id:guid}/dashboard")]
    [Authorize("region.view")]
    public async Task<IActionResult> GetDashboard(Guid id, [FromQuery] string period)
    {
        var result = await service.GetDashboardAsync(id, period);
        return result is null ? NotFound() : Ok(result);
    }

    [HttpGet("manage-entries")]
    [Authorize("region.view")]
    public async Task<IActionResult> GetManageEntries() =>
        Ok(await service.GetManageEntriesAsync());

    [HttpDelete("manage-entries/{entryType}/{id:guid}")]
    [Authorize("region.manage")]
    public async Task<IActionResult> DeleteManageEntry(RegionManageEntryType entryType, Guid id, CancellationToken ct)
    {
        var deleted = await service.DeleteManageEntryAsync(entryType, id, ct);
        return deleted ? NoContent() : NotFound();
    }
}