using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using AMESCoreStudio.WebApi.Models.SYS;

namespace AMESCoreStudio.WebApi.Controllers.SYS
{
    /// <summary>
    /// 
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class AuthController : ControllerBase
    {
        private readonly AMESContext _context;

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

        /// <summary>
        /// 系统登入
        /// </summary>
        /// <param name="loginData"></param>
        /// <returns></returns>
        // POST: api/Auth/Login
        // 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("Login")]
        public async Task<ActionResult<LoginDTO>> Login(LoginDTO loginData)
        {
            var account = await _context.UserInfoes.Where(m => m.LoginNo == loginData.LoginNo && m.LoginPassword == loginData.LoginPassword).FirstOrDefaultAsync();
            if (account != null)
            {
                loginData.UserID = account.UserID;

                var authInfo = new AuthInfo
                {
                    AuthID = -1,
                    UserID = account.UserID,
                    LoginPlatForm = (int)loginData.Platform,
                    LoginDateTime = DateTime.Now,
                    LoginIP = loginData.LoginIP.ToString(),
                };

                int platform = -1;
                platform = (int)loginData.Platform;

                

                try
                {
                    var auth = await _context.AuthInfo.Where(m => m.UserID == account.UserID && m.LoginPlatForm == platform).FirstOrDefaultAsync();
                    if (auth != null)
                    {
                        _context.Entry(auth).State = EntityState.Modified;
                        auth.LoginDateTime = authInfo.LoginDateTime;
                        auth.LoginIP = authInfo.LoginIP;
                    }
                    else
                    {
                        Helper helper = new Helper(_context);
                        authInfo.AuthID = helper.GetIDKey("AUTH_ID").Result;

                        _context.AuthInfo.Add(authInfo);
                    }

                    await _context.SaveChangesAsync();
                }
                catch (Exception e1)
                {
                    string msg = e1.Message;
                }
            }
            else
            {
                loginData.Msg = "用戶或密碼錯誤";
            }

            return loginData;
        }

        /// <summary>
        /// 获取登入信息
        /// </summary>
        /// <returns></returns>
        // GET: api/Auth
        [HttpGet]
        public async Task<ActionResult<IEnumerable<AuthInfo>>> GetAuthInfo()
        {
            return await _context.AuthInfo.ToListAsync();
        }

        /// <summary>
        /// 根据ID获取登入信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/Auth/5
        [HttpGet("{id}")]
        public async Task<ActionResult<AuthInfo>> GetAuthInfo(int id)
        {
            var authInfo = await _context.AuthInfo.FindAsync(id);

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

            return authInfo;
        }

        /// <summary>
        /// 更新用户的登入信息
        /// </summary>
        /// <param name="id"></param>
        /// <param name="authInfo"></param>
        /// <returns></returns>
        // PUT: api/Auth/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> PutAuthInfo(int id, AuthInfo authInfo)
        {
            if (id != authInfo.AuthID)
            {
                return BadRequest();
            }

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

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

            return NoContent();
        }

        /// <summary>
        /// 新增登入信息
        /// </summary>
        /// <param name="authInfo"></param>
        /// <returns></returns>
        // POST: api/Auth
        // 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<AuthInfo>> PostAuthInfo(AuthInfo authInfo)
        {
            _context.AuthInfo.Add(authInfo);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetAuthInfo", new { id = authInfo.AuthID }, authInfo);
        }

        /// <summary>
        /// 刪除登入信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/Auth/5
        [HttpDelete("{id}")]
        public async Task<ActionResult<AuthInfo>> DeleteAuthInfo(int id)
        {
            var authInfo = await _context.AuthInfo.FindAsync(id);
            if (authInfo == null)
            {
                return NotFound();
            }

            _context.AuthInfo.Remove(authInfo);
            await _context.SaveChangesAsync();

            return authInfo;
        }

        private bool AuthInfoExists(int id)
        {
            return _context.AuthInfo.Any(e => e.AuthID == id);
        }
    }
}