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.BAS;
using AMESCoreStudio.CommonTools.Result;

namespace AMESCoreStudio.WebApi.Controllers.BAS
{
    /// <summary>
    /// 料號基本資料檔Controller
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class MaterialFlowsController : ControllerBase
    {
        private readonly AMESContext _context;

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

        /// <summary>
        /// 查詢料號流程資料檔
        /// </summary>
        /// <returns></returns>
        // GET: api/<MaterialFlowsController>
        [HttpGet]
        public async Task<ActionResult<IEnumerable<MaterialFlow>>> GetMaterialFlows()
        {
            IQueryable<MaterialFlow> q = _context.MaterialFlows;
            q = q.OrderBy(p => p.MFID);
            var MaterialFlows = await q.ToListAsync();
            return MaterialFlows;
        }


        /// <summary>
        /// 料號流程資料檔
        /// </summary>
        /// <param name="id">ItemID</param>
        /// <returns></returns>
        [HttpGet("{id}")]
        public async Task<IEnumerable<MaterialFlow>> GetMaterialFlow(int id)
        {
            IQueryable<MaterialFlow> q = _context.MaterialFlows;
            var result = await q.Where(p => p.MFID == id).ToListAsync();
            return result;
        }

        /// <summary>
        ///  料號流程查詢
        /// </summary>
        /// <param name="itemno">料號</param>
        /// <param name="unitNo">站別</param>
        /// <returns></returns>
        [HttpGet("Query/{itemno}/{unitNo}")]
        public async Task<ActionResult<IEnumerable<MaterialFlow>>> GetMaterialFlowsByQuery(string itemno, string unitNo, int page = 0, int limit = 10)
        {
            IQueryable<MaterialFlow> q = _context.MaterialFlows;

            if (itemno != "*")
                q = q.Where(w => w.MaterialItem.ItemNo == itemno);

            if (unitNo != "*")
                q = q.Where(w => w.UnitNo == unitNo);

            if (page > 0)
            {
                q = q.OrderBy(p => p.MaterialItem.ItemNo).Skip((page - 1) * limit).Take(limit);
            }
            else
            {
                q = q.OrderBy(p => p.MaterialItem.ItemNo);
            }

            var materialFlows = await q.ToListAsync();

            foreach (var data in materialFlows)
            {
                data.MaterialItem = _context.MaterialItems.Find(data.ItemID);

            }

            return materialFlows;
        }

        /// <summary>
        ///  料號流程查詢 By工單
        /// </summary>
        /// <param name="itemno">料號</param>
        /// <param name="unitNo">站別</param>
        /// <returns></returns>
        [HttpGet("ByWip/{itemno}/{unitNo}")]
        public async Task<ActionResult<IEnumerable<MaterialFlow>>> GetMaterialFlowsByWip(string itemno, string unitNo)
        {
            IQueryable<MaterialFlow> q = _context.MaterialFlows;

            AMES.MaterialItemController materialItemController = new AMES.MaterialItemController(_context);
            var MaterialItem = materialItemController.GetMaterialItemByItemNO(itemno);

            if (MaterialItem.Result != null)
                q = q.Where(w => w.ItemID == MaterialItem.Result.ItemID && w.UnitNo == unitNo);
            else
                q = q.Where(w => w.ItemID == -1);

            var materialFlows = await q.ToListAsync();

            return materialFlows;
        }

        /// <summary>
        /// 新增料號流程資料檔
        /// </summary>
        /// <param name="MaterialFlow"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<ResultModel<MaterialFlow>> PostMaterialFlows([FromBody] MaterialFlow MaterialFlow)
        {
            ResultModel<MaterialFlow> result = new ResultModel<MaterialFlow>();
            Helper helper = new Helper(_context);
            MaterialFlow.MFID = helper.GetIDKey("MF_ID").Result;

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

        }


        /// <summary>
        /// 修改料號流程資料檔
        /// </summary>
        /// <returns></returns>
        [HttpPut("{id}")]
        public async Task<ResultModel<MaterialFlow>> PutMaterialFlows(int id, [FromBody] MaterialFlow materialFlow)
        {
            ResultModel<MaterialFlow> result = new ResultModel<MaterialFlow>();
            if (id != materialFlow.MFID)
            {
                result.Success = false;
                result.Msg = "料號錯誤";
                return result;
            }
            //_
            //_context.Attach(materialFlow);
            //// 指定更新某個欄位
            //_context.Entry(materialFlow).Property(p => p.FlowSEQ).IsModified = true;
            //_context.Entry(materialFlow).Property(p => p.ItemID).IsModified = true;
            //_context.Entry(materialFlow).Property(p => p.FlowRuleID).IsModified = true;
            //_context.Entry(materialFlow).Property(p => p.UnitNo).IsModified = true;
            _context.Entry(materialFlow).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>
        /// Delete料號流程
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/StandardWorkTimes/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<MaterialFlow>> DeleteMaterialFlow(int id)
        {
            ResultModel<MaterialFlow> result = new ResultModel<MaterialFlow>();

            var materialFlow = await _context.MaterialFlows.Where(m => m.MFID == id).FirstOrDefaultAsync();
            if (materialFlow == null)
            {
                result.Success = false;
                result.Msg = "序號不存在";
                return result;
            }

            _context.MaterialFlows.Remove(materialFlow);
            await _context.SaveChangesAsync();

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

        private bool MaterialFlowExists(int id)
        {
            return _context.MaterialFlows.Any(e => e.MFID == id);
        }
    }
}