using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using AMESCoreStudio.WebApi.Models.AMES;
using AMESCoreStudio.CommonTools.Result;

namespace AMESCoreStudio.WebApi.Controllers.AMES
{
    /// <summary>
    /// 異常工時代碼資料檔
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class ExceptionCodesController : ControllerBase
    {
        private readonly AMESContext _context;

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

        /// <summary>
        /// 查詢異常工時代碼資料檔
        /// </summary>
        /// <returns></returns>
        // GET: api/<ExceptionCodesController>
        [HttpGet]
        public async Task<ActionResult<IEnumerable<ExceptionCode>>> GetExceptionCodes()
        {
            IQueryable<ExceptionCode> q = _context.ExceptionCodes;
            q = q.OrderBy(p => p.ExceptionNo);
            var ExceptionCodes = await q.ToListAsync();
            return ExceptionCodes;
        }


        /// <summary>
        /// 異常工時代碼資料檔
        /// </summary>
        /// <param name="id">ItemID</param>
        /// <returns></returns>
        [HttpGet("{id}")]
        public async Task<IEnumerable<ExceptionCode>> GetExceptionCode(string id)
        {
            IQueryable<ExceptionCode> q = _context.ExceptionCodes;
            var result = await q.Where(p => p.ExceptionNo == id).ToListAsync();
            return result;
        }

        /// <summary>
        /// 異常工時代碼資料檔
        /// </summary>
        /// <param name="id">ItemID</param>
        /// <returns></returns>
        [HttpGet("Query/{id}")]
        public async Task<IEnumerable<ExceptionCode>> GetExceptionCodesByClass(string id)
        {
            IQueryable<ExceptionCode> q = _context.ExceptionCodes;
            var result = await q.Where(p => p.ExceptionClassNo == id).ToListAsync();
            return result;
        }

        /// <summary>
        /// 新增異常工時代碼資料檔
        /// </summary>
        /// <param name="ExceptionCode"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<ResultModel<ExceptionCode>> PostExceptionCodes([FromBody] ExceptionCode ExceptionCode)
        {
            ResultModel<ExceptionCode> result = new ResultModel<ExceptionCode>();
            Helper helper = new Helper(_context);
            if (ExceptionCodeExists(ExceptionCode.ExceptionNo))
            {
                result.Success = false;
                result.Msg = "代號重複";
                return result;
            }

            _context.ExceptionCodes.Add(ExceptionCode);
            try
            {
                await _context.SaveChangesAsync();
                result.Success = true;
                result.Msg = "OK";
            }
            catch (Exception ex)
            {
                result.Success = false;
                result.Msg = ex.InnerException.Message;
            }
            return result;
        }


        /// <summary>
        /// 修改異常工時代碼資料檔
        /// </summary>
        /// <returns></returns>
        [HttpPut("{id}")]
        public async Task<ResultModel<ExceptionCode>> PutExceptionCode(string id, [FromBody] ExceptionCode ExceptionCode)
        {
            ResultModel<ExceptionCode> result = new ResultModel<ExceptionCode>();
            if (id != ExceptionCode.ExceptionNo)
            {
                result.Success = false;
                result.Msg = "代碼錯誤";
                return result;
            }

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

            try
            {

                await _context.SaveChangesAsync();
                result.Success = true;
                result.Msg = "OK";
                return result;

            }
            catch (DbUpdateConcurrencyException ex)
            {
                result.Success = false;
                result.Msg = ex.InnerException.Message;
                return result;
                //throw;

            }
        }

        /// <summary>
        /// 刪除異常工時代碼
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/StandardWorkTimes/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<ExceptionCode>> DeleteExceptionCode(string id)
        {
            ResultModel<ExceptionCode> result = new ResultModel<ExceptionCode>();

            var ExceptionCode = await _context.ExceptionCodes.FindAsync(id);
            if (ExceptionCode == null)
            {
                result.Success = false;
                result.Msg = "代碼不存在";
                return result;
            }

            _context.ExceptionCodes.Remove(ExceptionCode);
            await _context.SaveChangesAsync();

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

        private bool ExceptionCodeExists(string id)
        {
            return _context.ExceptionCodes.Any(e => e.ExceptionNo == id);
        }
    }
}