using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using OnProfNext.Server.Data;
using OnProfNext.Shared.Models;
using OnProfNext.Shared.Models.DTOs;

namespace OnProfNext.Server.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    [Authorize]
    public class OrdersController : ControllerBase
    {
        private readonly AppDbContext _context;

        public OrdersController(AppDbContext context)
        {
            _context = context;
        }

        //Get: api/orders/byproject/5
        [HttpGet("byproject/{projectId}")]
        public async Task<ActionResult<IEnumerable<OrderDto>>> GetOrdersByProject(int projectId)
        {
            var orders = await _context.Orders
                .Where(o => o.ProjectId == projectId)
                .Select(o => new OrderDto
                {
                    Id = o.Id,
                    ProjectId = o.ProjectId,
                    Auftragsnummer = o.Auftragsnummer,
                    Titel = o.Titel,
                    Status = o.Status,
                    Planstunden = o.Planstunden,
                    Iststunden = o.Iststunden,
                    Projektcode = o.Projektcode,
                    MandantId = o.MandantId,
                    CreatedAt = o.CreatedAt,
                    UpdatedAt = o.UpdatedAt
                })
                .ToListAsync();

            return Ok(orders);
        }

        //GET: api/orders/5
        [HttpGet("{id}")]
        public async Task<ActionResult<OrderDto>> GetOrder(int id)
        {
            var o = await _context.Orders.FindAsync(id);
            if (o == null) return NotFound();

            return new OrderDto
            {
                Id = o.Id,
                ProjectId = o.ProjectId,
                Auftragsnummer = o.Auftragsnummer,
                Titel = o.Titel,
                Status = o.Status,
                Planstunden = o.Planstunden,
                Iststunden = o.Iststunden,
                Projektcode = o.Projektcode,
                MandantId = o.MandantId,
                CreatedAt = o.CreatedAt,
                UpdatedAt = o.UpdatedAt
            };
        }

        //POST: api/orders
        [HttpPost]
        public async Task<ActionResult<OrderDto>> CreateOrder(OrderDto dto)
        {
            var order = new Order
            {
                ProjectId = dto.ProjectId,
                Auftragsnummer = dto.Auftragsnummer,
                Titel = dto.Titel,
                Status = dto.Status,
                Planstunden = dto.Planstunden,
                Iststunden = dto.Iststunden,
                Projektcode = dto.Projektcode,
                MandantId = dto.MandantId,
                CreatedAt = DateTime.UtcNow,
                UpdatedAt = DateTime.UtcNow
            };

            _context.Orders.Add(order);
            await _context.SaveChangesAsync();

            dto.Id = order.Id;
            dto.CreatedAt = order.CreatedAt;
            dto.UpdatedAt = order.UpdatedAt;

            return CreatedAtAction(nameof(GetOrder), new { id = order.Id }, dto);
        }

        //PUT: api/orders/5
        [HttpPut("{id}")]
        public async Task<IActionResult> UpdateOrder(int id, OrderDto dto)
        {
            var order = await _context.Orders.FindAsync(id);
            if (order == null) return NotFound();

            order.Titel = dto.Titel;
            order.Status = dto.Status;
            order.Planstunden = dto.Planstunden;
            order.Iststunden = dto.Iststunden;
            order.Projektcode = dto.Projektcode;
            order.UpdatedAt = DateTime.UtcNow;

            await _context.SaveChangesAsync();
            return NoContent();
        }

        // DELETE: api/orders/5
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteOrder(int id)
        {
            var order = await _context.Orders.FindAsync(id);
            if (order == null) return NotFound();

            _context.Orders.Remove(order);
            await _context.SaveChangesAsync();
            return NoContent();
        }

    }
}