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 MySqlX.XDevAPI.Common;
using Parking_space_WebAPI.Models;
using Parking_space_WebAPI.Services;
using Parking_space_WebAPI.Authorization;

namespace Parking_space_WebAPI.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    [Authorize]
    [ApiExplorerSettings(GroupName = "校園外網")]
    public class Parking_spaces_total_tableController : ControllerBase
    {
        private readonly SqlContext _context;

        public Parking_spaces_total_tableController(SqlContext context)
        {
            _context = context;
        }
        [AllowAnonymous]
        #region 獲取停車場所有資料
        // GET: api/Parking_spaces_total_table
        /// <summary>
        /// 獲取停車場所有資料
        /// </summary>
        [HttpGet]
        public async Task<ActionResult<IEnumerable<Parking_spaces_total_table>>> Getparking_spaces_total_table()
        {
          if (_context.parking_spaces_total_table == null)
          {
              return NotFound();
          }
            return await _context.parking_spaces_total_table.ToListAsync();
        }
        #endregion
        
        [AllowAnonymous]
        #region 獲取停車場單一資料
        // GET: api/Parking_spaces_total_table/5
        /// <summary>
        /// 獲取停車場單一資料
        /// </summary>
        [HttpGet("{id}")]
        public async Task<ActionResult<Parking_spaces_total_table>> GetParking_spaces_total_table(string id)
        {
          if (_context.parking_spaces_total_table == null)
          {
              return NotFound();
          }
            var parking_spaces_total_table = await _context.parking_spaces_total_table.FindAsync(id);

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

            return parking_spaces_total_table;
        }
        #endregion




        #region 更改停車區資料
        // PUT: api/Parking_spaces_total_table/5
        /// <summary>
        /// 更改停車區資料
        /// </summary>
        [HttpPut("{id}")]
        public async Task<IActionResult> PutParking_spaces_total_table(string id, Parking_spaces_total_table parking_spaces_total_table)
        {
            if (id != parking_spaces_total_table.parking_spaces_name)
            {
                return BadRequest();
            }

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

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

            return NoContent();
        }
        #endregion

        #region 新增一筆停車區資料
        // POST: api/Parking_spaces_total_table
        /// <summary>
        /// 新增一筆停車區資料
        /// </summary>
        [HttpPost]
        public async Task<ActionResult<Parking_spaces_total_table>> PostParking_spaces_total_table(Parking_spaces_total_table parking_spaces_total_table)
        {
          if (_context.parking_spaces_total_table == null)
          {
              return Problem("Entity set 'SqlContext.parking_spaces_total_table'  is null.");
          }
            _context.parking_spaces_total_table.Add(parking_spaces_total_table);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (Parking_spaces_total_tableExists(parking_spaces_total_table.parking_spaces_name))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtAction("GetParking_spaces_total_table", new { id = parking_spaces_total_table.parking_spaces_name }, parking_spaces_total_table);
        }
        #endregion

        #region 刪除停車區資料
        // DELETE: api/Parking_spaces_total_table/5
        /// <summary>
        /// 刪除停車區資料
        /// </summary>
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteParking_spaces_total_table(string id)
        {
            if (_context.parking_spaces_total_table == null)
            {
                return NotFound();
            }
            var parking_spaces_total_table = await _context.parking_spaces_total_table.FindAsync(id);
            if (parking_spaces_total_table == null)
            {
                return NotFound();
            }

            _context.parking_spaces_total_table.Remove(parking_spaces_total_table);
            await _context.SaveChangesAsync();

            return NoContent();
        }
        #endregion


        #region 針對指定停車場現在車位數量加1
        // GET: api/Parking_spaces_total_table/5
        /// <summary>
        /// 針對指定停車場現在車位數量加1
        /// </summary>
        [HttpGet("Parking_spaces_total_table_add-{id}")]
        public async Task<ActionResult<Parking_spaces_total_table>> Parking_spaces_total_table_add(string id)
        {
            if (_context.parking_spaces_total_table == null)
            {
                return NotFound();
            }
            //var parking_spaces_total_table = await _context.parking_spaces_total_table.FindAsync(id);

            var parking_spaces_total_table = await (from c in _context.parking_spaces_total_table
                                                    where c.parking_spaces_name == id
                                                    select new Parking_spaces_total_table
                                                    {
                                                        parking_spaces_name = c.parking_spaces_name,
                                                        parking_spaces_total_num = c.parking_spaces_total_num,
                                                        longitude = c.longitude,
                                                        latitude = c.latitude,
                                                        parking_spaces_now_num = c.parking_spaces_now_num,
                                                    }
                                                    ).FirstAsync();
            _context.parking_spaces_total_table.Remove(parking_spaces_total_table);
            await _context.SaveChangesAsync();
            if (parking_spaces_total_table.parking_spaces_now_num != null)
            {
                string parking_spaces_now_num = parking_spaces_total_table.parking_spaces_now_num; //單獨取出資料庫目前停車數量
                int parking_spaces_now_num_int;
                Int32.TryParse(parking_spaces_now_num, out parking_spaces_now_num_int); //轉int格式
                parking_spaces_now_num_int = parking_spaces_now_num_int+1; //停車數量加1
                parking_spaces_now_num = parking_spaces_now_num_int.ToString();//轉string格式
                parking_spaces_total_table.parking_spaces_now_num = parking_spaces_now_num;

                _context.parking_spaces_total_table.Remove(parking_spaces_total_table);
            }
            _context.parking_spaces_total_table.Add(parking_spaces_total_table);
            await _context.SaveChangesAsync();


            var parking_spaces_lcd_instand = await (from c in _context.parking_spaces_lcd_instand
                                                    where c.parking_spaces_name == parking_spaces_total_table.parking_spaces_name
                                                    select new Parking_spaces_lcd_instand
                                                    {
                                                        lcd_ip = c.lcd_ip,
                                                        parking_spaces_name = c.parking_spaces_name,
                                                        parking_space_amount = c.parking_space_amount,
                                                    }
                                                    ).FirstAsync();
            _context.parking_spaces_lcd_instand.Remove(parking_spaces_lcd_instand);
            await _context.SaveChangesAsync();
            parking_spaces_lcd_instand.parking_space_amount = parking_spaces_total_table.parking_spaces_now_num;
            _context.parking_spaces_lcd_instand.Add(parking_spaces_lcd_instand);
            await _context.SaveChangesAsync();


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

            return parking_spaces_total_table;
        }
        #endregion

        #region 針對指定停車場現在車位數量減1
        // GET: api/Parking_spaces_total_table/5
        /// <summary>
        /// 針對指定停車場現在車位數量減1
        /// </summary>
        [HttpGet("Parking_spaces_total_table_subtract-{id}")]
        public async Task<ActionResult<Parking_spaces_total_table>> Parking_spaces_total_table_subtract(string id)
        {
            if (_context.parking_spaces_total_table == null)
            {
                return NotFound();
            }
            //var parking_spaces_total_table = await _context.parking_spaces_total_table.FindAsync(id);

            var parking_spaces_total_table = await (from c in _context.parking_spaces_total_table
                                                    where c.parking_spaces_name == id
                                                    select new Parking_spaces_total_table
                                                    {
                                                        parking_spaces_name = c.parking_spaces_name,
                                                        parking_spaces_total_num = c.parking_spaces_total_num,
                                                        longitude = c.longitude,
                                                        latitude = c.latitude,
                                                        parking_spaces_now_num = c.parking_spaces_now_num,
                                                    }
                                                    ).FirstAsync();
            _context.parking_spaces_total_table.Remove(parking_spaces_total_table);
            await _context.SaveChangesAsync();
            if (parking_spaces_total_table.parking_spaces_now_num != null)
            {
                string parking_spaces_now_num = parking_spaces_total_table.parking_spaces_now_num; //單獨取出資料庫目前停車數量
                int parking_spaces_now_num_int;
                Int32.TryParse(parking_spaces_now_num, out parking_spaces_now_num_int); //轉int格式
                parking_spaces_now_num_int = parking_spaces_now_num_int - 1; //停車數量減1
                parking_spaces_now_num = parking_spaces_now_num_int.ToString();//轉string格式
                parking_spaces_total_table.parking_spaces_now_num = parking_spaces_now_num;

                _context.parking_spaces_total_table.Remove(parking_spaces_total_table);
            }
            _context.parking_spaces_total_table.Add(parking_spaces_total_table);
            await _context.SaveChangesAsync();
            var parking_spaces_lcd_instand = await (from c in _context.parking_spaces_lcd_instand
                                                    where c.parking_spaces_name == parking_spaces_total_table.parking_spaces_name
                                                    select new Parking_spaces_lcd_instand
                                                    {
                                                        lcd_ip = c.lcd_ip,
                                                        parking_spaces_name = c.parking_spaces_name,
                                                        parking_space_amount = c.parking_space_amount,
                                                    }
                                                   ).FirstAsync();
            _context.parking_spaces_lcd_instand.Remove(parking_spaces_lcd_instand);
            await _context.SaveChangesAsync();
            parking_spaces_lcd_instand.parking_space_amount = parking_spaces_total_table.parking_spaces_now_num;
            _context.parking_spaces_lcd_instand.Add(parking_spaces_lcd_instand);
            await _context.SaveChangesAsync();

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

            return parking_spaces_total_table;
        }
        #endregion

        private bool Parking_spaces_total_tableExists(string id)
        {
            return (_context.parking_spaces_total_table?.Any(e => e.parking_spaces_name == id)).GetValueOrDefault();
        }
    }
}