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;

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

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

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

            var MailGroupDetail = await q.ToListAsync();

            foreach (var data in MailGroupDetail)
            {
                data.User = _context.UserInfoes.Find(data.UserID);
                data.Group = _context.MailGroups.Find(data.GroupID);
            }

            return MailGroupDetail;
            //return await _context.MailGroupDetail.ToListAsync();
        }

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

            foreach (var data in mailGroupDetail)
            {
                data.User = _context.UserInfoes.Where(p1 => p1.UserID.Equals(data.UserID)).FirstOrDefault();
                data.Group = _context.MailGroups.Where(p1 => p1.GroupID.Equals(data.GroupID)).FirstOrDefault();

            }

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

            return mailGroupDetail;
        }

        /// <summary>
        /// 根据mail群組ID获取该群組资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/MailGroupDetails/Group/5
        [HttpGet("Group/{id}")]
        public async Task<ActionResult<IEnumerable<MailGroupDetail>>> GetMailGroupDetailByGroup(int id)
        {
            IQueryable<MailGroupDetail> q = _context.MailGroupDetails;

            if (id > 0)
            {
                q = q.Where(p => p.GroupID.Equals(id));
            }
            q.OrderBy(p => p.MailID);

            var mailGroupDetail = await q.ToListAsync();

            foreach (var data in mailGroupDetail)
            {
                data.User = _context.UserInfoes.Where(p1 => p1.UserID.Equals(data.UserID)).FirstOrDefault();
                data.Group = _context.MailGroups.Where(p1 => p1.GroupID.Equals(data.GroupID)).FirstOrDefault();

            }

            if (mailGroupDetail is null)
            {
                return NotFound();
            }

            return mailGroupDetail;
        }



        /// <summary>
        /// 更新Mail群組资料
        /// </summary>
        /// <param name="id"></param>
        /// <param name="mailGroupDetail"></param>
        /// <returns></returns>
        // PUT: api/MailGroupDetails/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<ActionResult<MailGroupDetail>> PutMailGroupDetail(int id, [FromBody] MailGroupDetail mailGroupDetail)
        {
            if (id != mailGroupDetail.MailID)
            {
                return BadRequest();
            }
            mailGroupDetail.UpdateDate = System.DateTime.Now;
            _context.Entry(mailGroupDetail).State = EntityState.Modified;

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

            return mailGroupDetail;
        }

        /// <summary>
        /// 新增Mail群組资料
        /// </summary>
        /// <param name="mailGroupDetail"></param>
        /// <returns></returns>
        // POST: api/MailGroupDetails
        // 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<ActionResult<MailGroupDetail>> PostMailGroupDetail(MailGroupDetail mailGroupDetail)
        {
            Helper helper = new Helper(_context);
            mailGroupDetail.MailID = helper.GetIDKey("MAIL_ID").Result;

            _context.MailGroupDetails.Add(mailGroupDetail);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetMailGroupDetail", new { id = mailGroupDetail.MailID }, mailGroupDetail);

        }

        /// <summary>
        /// 删除Mail群組资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/MailGroupDetails/5
        [HttpDelete("{id}")]
        public async Task<ActionResult<MailGroupDetail>> DeleteMailGroupDetail(int id)
        {
            //var mailGroupDetail = await _context.MailGroupDetail.FindAsync(id);
            var mailGroupDetail = await _context.MailGroupDetails.Where(m => m.MailID == id).FirstOrDefaultAsync();
            if (mailGroupDetail == null)
            {
                return NotFound();
            }

            _context.MailGroupDetails.Remove(mailGroupDetail);
            await _context.SaveChangesAsync();

            return mailGroupDetail;
        }

        private bool MailGroupDetailExists(int id)
        {
            return _context.MailGroupDetails.Any(e => e.MailID == id);
        }
    }
}