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>
    /// 工作群組維護
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class WorkClassesController : ControllerBase
    {
        private readonly AMESContext _context;

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

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

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

            var workClass = await q.ToListAsync();

            foreach (var data in workClass)
            {
                data.Group = _context.WorkGroups.Find(data.GroupID);
            }

            return workClass;
        }

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

            var workClass = await q.ToListAsync();

            foreach (var data in workClass)
            {
                data.Group = _context.WorkGroups.Find(data.GroupID);
            }


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

            return workClass;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="id"></param>
        /// <param name="workClass"></param>
        /// <returns></returns>
        // PUT: api/WorkClasses/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<WorkClass>> PutWorkClass(int id, [FromBody] WorkClass workClass)
        {
            ResultModel<WorkClass> result = new ResultModel<WorkClass>();
            if (id != workClass.ClassID)
            {
                result.Success = false;
                result.Msg = "序號錯誤";
                return result;
            }

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

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (Exception ex)
            {

                result.Success = false;
                result.Msg = ex.Message;
                return result;

            }

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

        }

        /// <summary>
        /// 新增资料
        /// </summary>
        /// <param name="workClass"></param>
        /// <returns></returns>
        // POST: api/WorkClasses
        // 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<WorkClass>> PostWorkClass(WorkClass workClass)
        {
            ResultModel<WorkClass> result = new ResultModel<WorkClass>();
            Helper helper = new Helper(_context);
            workClass.ClassID = helper.GetIDKey("WORKCLASS_ID").Result;

            _context.WorkClasses.Add(workClass);

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (Exception ex)
            {

                result.Success = false;
                result.Msg = ex.Message;
                return result;

            }

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


        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/WorkClasses/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<WorkClass>> DeleteWorkClass(int id)
        {
            ResultModel<WorkClass> result = new ResultModel<WorkClass>();
            var workClass = await _context.WorkClasses.Where(p => p.ClassID == id).FirstOrDefaultAsync();
            if (workClass == null)
            {
                result.Success = false;
                result.Msg = "序號錯誤";
                return result;
            }

            _context.WorkClasses.Remove(workClass);

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (Exception ex)
            {

                result.Success = false;
                result.Msg = ex.Message;
                return result;

            }

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

        }

        private bool WorkClassExists(int id)
        {
            return _context.WorkClasses.Any(e => e.ClassID == id);
        }
    }
}