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.SYS;

namespace AMESCoreStudio.WebApi.Controllers.SYS
{
    /// <summary>
    /// 用户角色资料维护
    /// </summary>
    [Route("api/[controller]")]
    [ApiController]
    public class UserRolesController : ControllerBase
    {
        private readonly AMESContext _context;

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

        /// <summary>
        /// 获取全部用户角色资料
        /// </summary>
        /// <returns></returns>
        // GET: api/UserRoles
        [HttpGet]
        public async Task<ActionResult<IEnumerable<UserRole>>> GetUserRole()
        {
            IQueryable<UserRole> q = _context.UserRoles;
            q.OrderBy(p => p.RoleID);

            var userRole = await q.ToListAsync();

            foreach (var data in userRole)
            {
                data.Role = _context.RoleInfoes.Find(data.RoleID);
            }

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

            return userRole;
            //return await _context.UserRoles.ToListAsync();
        }

        /// <summary>
        /// 根据用户ID获取该用户角色资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/UserRoles/User/5
        [HttpGet("User/{id}")]
        public async Task<ActionResult<IEnumerable<UserRole>>> GetUserRoleByUser(int id, int page = 1, int limit = 10)
        {
            IQueryable<UserRole> q = _context.UserRoles;

            if (id > 0)
            {
                q = q.Where(p => p.UserID.Equals(id));
            }

            if (page > 0)
            {
                q = q.OrderBy(p => p.RoleID).Skip((page - 1) * limit).Take(limit);
            }
            else
            {
                q = q.OrderBy(p => p.RoleID);
            }
            var userRole = await q.ToListAsync();

            foreach (var data in userRole)
            {
                data.Role = _context.RoleInfoes.Where(p1 => p1.RoleID.Equals(data.RoleID)).FirstOrDefault();

            }

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

            return userRole;
        }

        /// <summary>
        /// 根据用户角色ID获取指定单一资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/UserRoles/5
        [HttpGet("{id}")]
        public async Task<ActionResult<IEnumerable<UserRole>>> GetUserRole(int id)
        {
            IQueryable<UserRole> q = _context.UserRoles;
            q = q.Where(p => p.UserRoleID.Equals(id));

            var userRole = await q.ToListAsync();

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

            return userRole;
        }

        /// <summary>
        /// 更新用户角色资料
        /// </summary>
        /// <param name="id"></param>
        /// <param name="userRole"></param>
        /// <returns></returns>
        // PUT: api/UserRoles/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<UserRole>> PutUserRole(int id, [FromBody] UserRole userRole)
        {
            if (id != userRole.UserRoleID)
            {
                return BadRequest();
            }

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

            if (userRole.EnableFlag == "N")
            {
                userRole.DisableUserId = 0;
                userRole.DisableDateTime = DateTime.Now;
            }
            if (userRole.EnableFlag == "Y")
            {
                userRole.EnableUserId = 0;
                userRole.EnableDateTime = DateTime.Now;
                userRole.DisableUserId = -1;
                userRole.DisableDateTime = DateTime.MinValue;
            }

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

            return userRole;
        }

        /// <summary>
        /// 新增用户角色资料
        /// </summary>
        /// <param name="userRole"></param>
        /// <returns></returns>
        // POST: api/UserRoles
        // 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<UserRole>> PostUserRole([FromBody] UserRole userRole)
        {
            Helper helper = new Helper(_context);
            userRole.UserRoleID = helper.GetIDKey("USER_ROLEID").Result;
            if (userRole.EnableFlag == "Y")
            {
                userRole.EnableUserId = 0;
                userRole.EnableDateTime = DateTime.Now;
            }

            _context.UserRoles.Add(userRole);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetUserRole", new { id = userRole.UserRoleID }, userRole);
        }

        /// <summary>
        /// 删除用户角色资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/UserRoles/5
        [HttpDelete("{id}")]
        public async Task<ActionResult<UserRole>> DeleteUserRole(int id)
        {
            var userRole = await _context.UserRoles.Where(m => m.UserRoleID == id).FirstOrDefaultAsync();
            if (userRole == null)
            {
                return NotFound();
            }

            _context.UserRoles.Remove(userRole);
            await _context.SaveChangesAsync();

            return userRole;
        }

        private bool UserRoleExists(int id)
        {
            return _context.UserRoles.Any(e => e.UserRoleID == id);
        }
    }
}