using Microsoft.AspNetCore.Mvc;
using System.Linq.Expressions;
using System.Reflection.Metadata;
using WebApp.Data;
using WebApp.Entities;

namespace WebApp.Controllers.Api
{
    [ApiController]
    [Route("api/events")]
    public class EventsApiController : ControllerBase
    {
        private readonly ApplicationDbContext _context;

        public EventsApiController(ApplicationDbContext context)
        {
            _context = context;
        }

        // GET: /api/events
        [HttpGet]
        public IActionResult GetAll()
        {
            var events = _context.Events.ToList();
            return Ok(events);
        }

        // GET: /api/events/5
        [HttpGet("{id}")]
        public IActionResult GetById(int id)
        {
            var ev = _context.Events.Find(id);
            if (ev == null)
                return NotFound();

            return Ok(ev);
        }

        // POST: /api/events
        [HttpPost]
        public IActionResult Create([FromBody] Event ev)
        {
            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            ev.EventDate = DateTime.SpecifyKind(ev.EventDate, DateTimeKind.Utc);

            _context.Events.Add(ev);
            _context.SaveChanges();

            return CreatedAtAction(nameof(GetById), new { id = ev.EventId }, ev);
        }

        // PUT: /api/events/5
        [HttpPut("{id}")]
        public IActionResult Update(int id, [FromBody] Event updated)
        {
            if (id != updated.EventId)
                return BadRequest("ID w URL nie zgadza się z obiektem.");

            var ev = _context.Events.Find(id);
            if (ev == null)
                return NotFound();

            ev.Title = updated.Title;
            ev.Description = updated.Description;
            ev.Location = updated.Location;
            ev.EventDate = updated.EventDate;
            ev.OrganisationId = updated.OrganisationId;

            _context.SaveChanges();
            return NoContent();
        }

        // DELETE: /api/events/5
        [HttpDelete("{id}")]
        public IActionResult Delete(int id)
        {
            var ev = _context.Events.Find(id);
            if (ev == null)
                return NotFound();

            _context.Events.Remove(ev);
            _context.SaveChanges();

            return NoContent();
        }
    }
}