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
{
    [Route("api/[controller]")]
    [ApiController]
    public class BarcodeGroupsController : ControllerBase
    {
        private readonly AMESContext _context;

        public BarcodeGroupsController(AMESContext context)
        {
            _context = context;
        }

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

        /// <summary>
        /// 用BarCodeID取條碼關聯資料檔
        /// </summary>
        /// <param name="id">BarCodeID</param>
        /// <returns></returns>
        // GET: api/BarcodeGroups/5
        [HttpGet("BarCodeID/{id}")]
        public async Task<ActionResult<IEnumerable<BarcodeGroup>>> GetBarcodeGroupByBarCodeID(int id)
        {
            IQueryable<BarcodeGroup> q = _context.BarcodeGroups;
            q = q.Where(w => w.BarcodeID == id);
            var BarcodeInfoes = await q.ToListAsync();
            return BarcodeInfoes;
        }

        /// <summary>
        /// 用GroupID取條碼關聯資料檔
        /// </summary>
        /// <param name="id">GroupID</param>
        /// <returns></returns>
        // GET: api/BarcodeGroups/5
        [HttpGet("GroupID/{id}")]
        public async Task<ActionResult<IEnumerable<BarcodeGroup>>> GetBarcodeGroupByGroupID(int id)
        {
            IQueryable<BarcodeGroup> q = _context.BarcodeGroups;
            q = q.Where(w => w.GroupID == id);
            var BarcodeInfoes = await q.ToListAsync();
            return BarcodeInfoes;
        }

        /// <summary>
        /// 用ByWipID取條碼關聯資料檔
        /// </summary>
        /// <param name="id"></param>
        /// <param name="groupID"></param>
        /// <param name="page"></param>
        /// <param name="limit"></param>
        /// <returns></returns>
        [HttpGet("ByWipNO")]
        public async Task<ResultModel<BarcodeGroupDto>> GetBarcodeGroupByWipNO(string id, string groupID, int page = 0, int limit = 10)
        {
            ResultModel<BarcodeGroupDto> result = new ResultModel<BarcodeGroupDto>();
            IQueryable<BarcodeGroupDto> q = from g in _context.BarcodeGroups
                        join b in _context.BarcodeInfoes on g.BarcodeID equals b.BarcodeID
                        join u in _context.UserInfoes on g.CreateUserID equals u.UserID
                        where g.WipNo == id 
                        orderby g.GroupID, g.Sequence
                        select new BarcodeGroupDto
                        {
                            GroupID = g.GroupID,
                            BarcodeID = b.BarcodeID,
                            BarcodeNo = b.BarcodeNo,
                            Sequence = g.Sequence,
                            CreateDate = g.CreateDate,
                            CreateUserID = g.CreateUserID,
                            CreateUserName = u.UserName,
                            WipNo = g.WipNo
                        };
            if (!string.IsNullOrWhiteSpace(groupID))
            {
                q = q.Where(w => w.GroupID == int.Parse(groupID));
            }

            //紀錄筆數
            result.DataTotal = q.Count();

            //Table 頁數
            if (page > 0)
            {
                q = q.Skip((page - 1) * limit).Take(limit);
            }

            result.Data = await q.ToListAsync();

            if (result == null)
            {
                result.Msg = "查無資料";
                result.Success = false;
                return result;
            }

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

        // PUT: api/BarcodeGroups/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<IActionResult> PutBarcodeGroup(int id, BarcodeGroup barcodeGroup)
        {
            if (id != barcodeGroup.GroupID)
            {
                return BadRequest();
            }

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

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

            return NoContent();
        }

        // POST: api/BarcodeGroups
        // 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<BarcodeGroup>> PostBarcodeGroup([FromBody] BarcodeGroup barcodeGroup)
        {
            ResultModel<BarcodeGroup> result = new ResultModel<BarcodeGroup>();

            if (barcodeGroup.GroupID == 0)
            {
                Helper helper = new Helper(_context);
                barcodeGroup.GroupID = helper.GetIDKey("GROUP_ID").Result;
            }
            _context.BarcodeGroups.Add(barcodeGroup);
            try
            {

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

        [HttpPost("PostBarcodeGroupList")]
        public async Task<ResultModel<BarcodeGroup>> PostBarcodeGroupList([FromBody] List<BarcodeGroup> barcodeGroups)
        {
            ResultModel<BarcodeGroup> result = new ResultModel<BarcodeGroup>();

            if (barcodeGroups == null || barcodeGroups.Count == 0)
            {
                result.Success = false;
                result.Msg = "Invalid input data.";
                return result;
            }

            try
            {
                Helper helper = new Helper(_context);
                int GroupID = helper.GetIDKey("GROUP_ID").Result;

                // 使用 LINQ 批量為每個 barcodeGroup 設定相同的 GroupID
                barcodeGroups = barcodeGroups.Select(b => { b.GroupID = GroupID; return b; }).ToList();


                // 批量添加 BarcodeGroup
                _context.BarcodeGroups.AddRange(barcodeGroups);

                await _context.SaveChangesAsync();
              
                result.Success = true;
                result.Msg = "OK";
                result.Data = barcodeGroups; // 返回新增的 BarcodeGroup 列表
            }
            catch (Exception ex)
            {
                result.Success = false;
                result.Msg = ex.InnerException?.Message ?? ex.Message;
            }

            return result;
        }


        /// <summary>
        /// 用GroupID刪除條碼關聯資料檔
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/BarcodeGroups/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<BarcodeGroup>> DeleteBarcodeGroupByGroupID(int id)
        {
            ResultModel<BarcodeGroup> result = new ResultModel<BarcodeGroup>();
            var barcodeGroup = await _context.BarcodeGroups.Where(w => w.GroupID == id).ToListAsync();
            try
            {
                _context.BarcodeGroups.RemoveRange(barcodeGroup);
                await _context.SaveChangesAsync();
                result.Success = true;
                result.Msg = "OK";
            }
            catch (Exception ex)
            {
                result.Success = false;
                result.Msg = ex.InnerException.Message;
            }
            return result;
        }

        private bool BarcodeGroupExists(int id)
        {
            return _context.BarcodeGroups.Any(e => e.GroupID == id);
        }
    }
}