using Asp.Versioning;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using TarninaHub.Application.Abstractions;
using TarninaHub.Application.Dtos;
using TarninaHub.Application.Security;

namespace TarninaHub.Controllers;

[ApiController]
[ApiVersion("1.0")]
[Route("api/knowledge-items")]
[Authorize]
public class KnowledgeItemsController : ControllerBase
{
    private readonly IKnowledgeItemService _knowledgeItems;

    public KnowledgeItemsController(IKnowledgeItemService knowledgeItems)
    {
        _knowledgeItems = knowledgeItems;
    }

    [HttpGet]
    public async Task<ActionResult<IReadOnlyList<KnowledgeItemResponse>>> List(
        [FromQuery] string? kind,
        [FromQuery] string? challengeId,
        [FromQuery] string? q,
        CancellationToken cancellationToken)
    {
        var items = await _knowledgeItems.ListAsync(kind, challengeId, q, !IsStaff(), cancellationToken);

        return Ok(items);
    }

    [HttpGet("{knowledgeItemId}")]
    public async Task<ActionResult<KnowledgeItemResponse>> GetById(
        string knowledgeItemId,
        CancellationToken cancellationToken)
    {
        var item = await _knowledgeItems.GetAsync(knowledgeItemId, cancellationToken);

        return item is null ? NotFound() : Ok(item);
    }

    [HttpPost]
    [Authorize(Policy = Policies.OperatorOrAdmin)]
    public async Task<ActionResult<KnowledgeItemResponse>> Create(
        KnowledgeItemRequest request,
        CancellationToken cancellationToken)
    {
        var created = await _knowledgeItems.CreateAsync(request, cancellationToken);

        return CreatedAtAction(nameof(GetById), new { knowledgeItemId = created.Id }, created);
    }

    [HttpPut("{knowledgeItemId}")]
    [Authorize(Policy = Policies.OperatorOrAdmin)]
    public async Task<ActionResult<KnowledgeItemResponse>> Update(
        string knowledgeItemId,
        KnowledgeItemRequest request,
        CancellationToken cancellationToken)
    {
        var updated = await _knowledgeItems.UpdateAsync(knowledgeItemId, request, cancellationToken);

        return updated is null ? NotFound() : Ok(updated);
    }

    [HttpPost("{knowledgeItemId}/publish")]
    [Authorize(Policy = Policies.OperatorOrAdmin)]
    public async Task<ActionResult<KnowledgeItemResponse>> Publish(
        string knowledgeItemId,
        CancellationToken cancellationToken)
    {
        var published = await _knowledgeItems.PublishAsync(knowledgeItemId, cancellationToken);

        return published is null ? NotFound() : Ok(published);
    }

    private bool IsStaff() =>
        User.IsInRole(RoleNames.Operator) || User.IsInRole(RoleNames.Manager) || User.IsInRole(RoleNames.Admin);
}