using Microsoft.AspNetCore.Mvc;
using WIDESEAWCS_S7Simulator.Application.Protocol;
using WIDESEAWCS_S7Simulator.Core.Protocol;

namespace WIDESEAWCS_S7Simulator.Server.Controllers;

[ApiController]
[Route("api/[controller]")]
public class ProtocolTemplatesController : ControllerBase
{
    private readonly IProtocolTemplateService _templateService;

    public ProtocolTemplatesController(IProtocolTemplateService templateService)
    {
        _templateService = templateService;
    }

    [HttpGet]
    public async Task<ActionResult<IReadOnlyList<ProtocolTemplate>>> GetAll()
    {
        return Ok(await _templateService.GetAllAsync());
    }

    [HttpGet("{id}")]
    public async Task<ActionResult<ProtocolTemplate>> GetById(string id)
    {
        var template = await _templateService.GetByIdAsync(id);
        if (template == null)
        {
            return NotFound(new { error = $"Protocol template '{id}' not found." });
        }

        return Ok(template);
    }

    [HttpPost]
    public async Task<ActionResult<ProtocolTemplate>> Create([FromBody] ProtocolTemplate template)
    {
        if (template == null || string.IsNullOrWhiteSpace(template.Id))
        {
            return BadRequest(new { error = "Template id is required." });
        }

        var result = await _templateService.UpsertAsync(template);
        return Ok(result);
    }

    [HttpPut("{id}")]
    public async Task<ActionResult<ProtocolTemplate>> Update(string id, [FromBody] ProtocolTemplate template)
    {
        if (template == null)
        {
            return BadRequest(new { error = "Template data is required." });
        }

        template.Id = id;
        var result = await _templateService.UpsertAsync(template);
        return Ok(result);
    }

    [HttpDelete("{id}")]
    public async Task<IActionResult> Delete(string id)
    {
        var removed = await _templateService.DeleteAsync(id);
        if (!removed)
        {
            return NotFound(new { error = $"Protocol template '{id}' not found." });
        }

        return NoContent();
    }
}