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 AMESCoreStudio.WebApi;
using AMESCoreStudio.WebApi.Models.AMES;
using AMESCoreStudio.CommonTools.Result;

namespace AMESCoreStudio.WebApi.Controllers.AMES
{
    /// <summary>
    /// 工時援入/外
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class SupportUsersController : ControllerBase
    {
        private readonly AMESContext _context;

        /// <summary>
        /// 
        /// </summary>
        /// <param name="context"></param>
        public SupportUsersController(AMESContext context)
        {
            _context = context;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        // GET: api/SupportUsers
        [HttpGet]
        public async Task<ActionResult<IEnumerable<SupportUser>>> GetSupportUser()
        {
            IQueryable<SupportUser> q = _context.SupportUsers;

            q = q.OrderBy(p => p.SupportID);

            var supportUser = await q.ToListAsync();

            return supportUser;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/SupportUsers/5
        [HttpGet("{id}")]
        public async Task<ActionResult<IEnumerable<SupportUser>>> GetSupportUser(int id)
        {
            IQueryable<SupportUser> q = _context.SupportUsers;
            q = q.Where(p => p.SupportID.Equals(id));

            var supportUser = await q.ToListAsync();

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

            return supportUser;
        }

        /// <summary>
        /// 援入援外綜合查詢
        /// </summary>
        /// <param name="f">廠別</param>
        /// <param name="type">援入/外</param>
        /// <param name="unit">製程單位</param>
        /// <param name="sd">開始時間</param>
        /// <param name="ed">結束時間</param>
        /// <returns></returns>
        // GET: api/StandardWorkTimes/5
        [HttpGet("Query/{f}/{type}/{unit}/{sd}/{ed}")]
        public async Task<ActionResult<IEnumerable<SupportUser>>> GetSupportUserByQuery(string f, string type, string unit, string sd, string ed)
        {
            IQueryable<SupportUser> q = _context.SupportUsers;

            //LINQ的 IN：
            //var queryResult = from p in q
            //                  where (array).Contains(p.LineID)
            //                  select p;

            var sd2 = System.DateTime.Parse(sd);
            var ed2 = System.DateTime.Parse(ed);
            if (type == "i")
            {
                q = q.Where(p => p.Werks.Equals(f) && p.UnitNoI.Equals(unit) && (DateTime.Compare(sd2, p.SupportDate) <=0 && DateTime.Compare(ed2, p.SupportDate)>=0) );
            }
            else
                q = q.Where(p => p.Werks.Equals(f) && p.UnitNoO.Equals(unit) && (DateTime.Compare(sd2, p.SupportDate) <= 0 && DateTime.Compare(ed2, p.SupportDate) >= 0));

            var supportUser = await q.ToListAsync();

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

            return supportUser;
        }


        /// <summary>
        /// 修改工時援入/外
        /// </summary>
        /// <param name="id"></param>
        /// <param name="supportUser"></param>
        /// <returns></returns>
        // PUT: api/SupportUsers/5
        // To protect from overposting attacks, enable the specific properties you want to bind to, for
        // more details, see https://go.microsoft.com/fwlink/?linkid=2123754.
        [HttpPut("{id}")]
        public async Task<ResultModel<SupportUser>> PutSupportUser(int id, [FromBody] SupportUser supportUser)
        {

            ResultModel<SupportUser> result = new ResultModel<SupportUser>();

            if (id != supportUser.SupportID)
            {
                result.Success = false;
                result.Msg = "序號錯誤";
                return result;
            }

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

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!SupportUserExists(id))
                {
                    result.Success = false;
                    result.Msg = "序號不存在";
                    return result;
                }
                else
                {
                    throw;
                }
            }

            result.Success = true;
            result.Msg = "OK";
            return result;

        }

        /// <summary>
        /// 新增援入外资料
        /// </summary>
        /// <param name="supportUser"></param>
        /// <returns></returns>
        // POST: api/SupportUsers
        // To protect from overposting attacks, enable the specific properties you want to bind to, for
        // more details, see https://go.microsoft.com/fwlink/?linkid=2123754.
        [HttpPost]
        public async Task<ResultModel<SupportUser>> PostSupportUser(SupportUser supportUser)
        {
            ResultModel<SupportUser> result = new ResultModel<SupportUser>();
            Helper helper = new Helper(_context);
            supportUser.SupportID = helper.GetIDKey("SUPPORT_ID").Result;

            _context.SupportUsers.Add(supportUser);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                throw;
            }



            result.Success = true;
            result.Msg = "OK";
            return result;
            // return CreatedAtAction("GetSupportUser", new { id = supportUser.SupportID }, supportUser);

        }

        /// <summary>
        /// 刪除援入外資料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/SupportUsers/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<SupportUser>> DeleteSupportUser(int id)
        {


            ResultModel<SupportUser> result = new ResultModel<SupportUser>();

            var supportUser = await _context.SupportUsers.FindAsync(id);
            if (supportUser == null)
            {
                result.Success = false;
                result.Msg = "序號不存在";
                return result;
            }

            _context.SupportUsers.Remove(supportUser);
            await _context.SaveChangesAsync();

            result.Success = true;
            result.Msg = "OK";
            return result;
            //var supportUser = await _context.SupportUsers.Where(p => p.SupportID == id).FirstOrDefaultAsync();
            //if (supportUser == null)
            //{
            //    return NotFound();
            //}

            //_context.SupportUsers.Remove(supportUser);
            //await _context.SaveChangesAsync();

            //return supportUser;
        }

        private bool SupportUserExists(int id)
        {
            return _context.SupportUsers.Any(e => e.SupportID == id);
        }
    }
}