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.BAS;
using AMESCoreStudio.CommonTools.Result;

namespace AMESCoreStudio.WebApi.Controllers.BAS
{
    /// <summary>
    /// Mail群組资料维护
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class MailGroupsController : ControllerBase
    {
        private readonly AMESContext _context;

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

        /// <summary>
        /// 获取全部Mail群組资料
        /// </summary>
        /// <returns></returns>
        // GET: api/MailGroups
        [HttpGet]
        public async Task<ActionResult<IEnumerable<MailGroup>>> GetMailGroup()
        {
            IQueryable<MailGroup> q = _context.MailGroups;
            q = q.OrderBy(p => p.GroupID);

            var MailGroup = await q.ToListAsync();
            return MailGroup;
            //return await _context.MailGroup.ToListAsync();
        }

        /// <summary>
        /// 用ID获取该Mail群組资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/MailGroups/5
        [HttpGet("{id}")]
        public async Task<ActionResult<IEnumerable<MailGroup>>> GetMailGroup(int id)
        {
           
            IQueryable<MailGroup> q = _context.MailGroups;
            q = q.Where(p => p.GroupID.Equals(id));
            var mailGroup = await q.ToListAsync();

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

            return mailGroup;
        }

        /// <summary>
        /// 更新Mail群組资料
        /// </summary>
        /// <param name="id"></param>
        /// <param name="mailGroup"></param>
        /// <returns></returns>
        // PUT: api/MailGroups/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<MailGroup>> PutMailGroup(int id, [FromBody] MailGroup mailGroup)
        {

            ResultModel<MailGroup> result = new ResultModel<MailGroup>();
            if (id != mailGroup.GroupID)
            {
                result.Success = false;
                result.Msg = "序號錯誤";
                return result;
            }

            mailGroup.UpdateDate = System.DateTime.Now;
            _context.Entry(mailGroup).State = EntityState.Modified;

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

        /// <summary>
        /// 新增Mail群組资料
        /// </summary>
        /// <param name="mailGroup"></param>
        /// <returns></returns>
        // POST: api/MailGroups
        // 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<MailGroup>> PostMailGroup(MailGroup mailGroup)
        {
            ResultModel<MailGroup> result = new ResultModel<MailGroup>();
            Helper helper = new Helper(_context);
            mailGroup.GroupID = helper.GetIDKey("GROUP_ID").Result;

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

        }

        /// <summary>
        /// 刪除Mail群組资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/MailGroups/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<MailGroup>> DeleteMailGroup(int id)
        {
            ResultModel<MailGroup> result = new ResultModel<MailGroup>();
            var mailGroup = await _context.MailGroups.Where(m => m.GroupID == id).FirstOrDefaultAsync();

            if (mailGroup == null)
            {
                result.Success = false;
                result.Msg = "序號錯誤";
                return result;
            }

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

        }

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