using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using BitAPI.Models;
using BitAPI.Controllers;
using BitAPI.Repositories;
using Opc.UaFx.Client;


namespace BitAPI.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class CommandsController : ControllerBase
    {
        private readonly CommandContext _context;

        public CommandsController(CommandContext context)
        {
            _context = context;
        }

        // Simple return-string method
        /*
            ## Works -> Postman and React ##
        */
        [HttpGet("string")]
        public string ReturnString()
        {
            return "The returned string is here";
        }


        [HttpGet("batch")]
        public object GrabLatestBatch()
        {
            //ServerRepository connection = new ServerRepository();

            //var CntrlCmd = accessPoint.ReadNode("ns=6;s=::Program:Cube.Command.CntrlCmd");
            // Tries to write to server. Gives message if completed (Maybe try-clause)



            return ServerRepository.ReadData();

        }


        [HttpGet("machine")]
        public void CallMachine()
        {
            ServerRepository connection = new ServerRepository();

            // Tries to write to server. Gives message if completed (Maybe try-clause)
            if(connection.WriteFloat("ns=6;s=::Program:Cube.Command.Parameter[2]",  100)) {
                Console.WriteLine("Write was successful. Check UAExpert!");
            } else {
                Console.WriteLine("Write was not successful... Maybe the types aren't right?");
            }
        }

        /*
            Everything below here is other methods that can be called
            in the API. They are simple CRUD-methods made from
            C# scaffolding
        */

        // GET: api/Commands
        [HttpGet]
        public async Task<ActionResult<IEnumerable<Command>>> GetCommands()
        {
            return await _context.Commands.ToListAsync();
        }

        // GET: api/Commands/5
        [HttpGet("{id}")]
        public async Task<ActionResult<Command>> GetCommand(long id)
        {
            var command = await _context.Commands.FindAsync(id);

            if (command == null)
            {
                return NotFound();
            }

            return command;
        }

        // PUT: api/Commands/5
        // To protect from overposting attacks, please enable the specific properties you want to bind to, for
        // more details see https://aka.ms/RazorPagesCRUD.
        [HttpPut("{id}")]
        public async Task<IActionResult> PutCommand(long id, Command command)
        {
            if (id != command.id)
            {
                return BadRequest();
            }

            _context.Entry(command).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!CommandExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return NoContent();
        }

        // POST: api/Commands
        // To protect from overposting attacks, please enable the specific properties you want to bind to, for
        // more details see https://aka.ms/RazorPagesCRUD.
        [HttpPost]
        public async Task<ActionResult<Command>> PostCommand(Command command)
        {
            _context.Commands.Add(command);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetCommand", new { id = command.id }, command);
        }

        // DELETE: api/Commands/5
        [HttpDelete("{id}")]
        public async Task<ActionResult<Command>> DeleteCommand(long id)
        {
            var command = await _context.Commands.FindAsync(id);
            if (command == null)
            {
                return NotFound();
            }

            _context.Commands.Remove(command);
            await _context.SaveChangesAsync();

            return command;
        }

        private bool CommandExists(long id)
        {
            return _context.Commands.Any(e => e.id == id);
        }
    }
}