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;
using AMESCoreStudio.CommonTools.Result;

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

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

        /// <summary>
        /// 获取全部角色模组资料
        /// </summary>
        /// <returns></returns>
        // GET: api/RoleModules
        [HttpGet]
        public async Task<ActionResult<IEnumerable<RoleModule>>> GetRoleModule()
        {
            //IQueryable<RoleModule> q = _context.RoleModules.Include(r => r.Module);
            IQueryable<RoleModule> q = _context.RoleModules;

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

            var roleModule = await q.ToListAsync();

            foreach (var data in roleModule)
            {
                data.Module = _context.ModuleInfoes.Find(data.ModuleID);
            }

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

            return roleModule;
            //return await _context.RoleModules.Include(r=>r.Module).ToListAsync();
        }

        /// <summary>
        /// 根据用户ID获取所有角色模组资料
        /// </summary>
        /// <param name="id"></param>
        /// <param name="page"></param>
        /// <param name="limit"></param>
        /// <returns></returns>
        // GET: api/RoleModules/User/5
        [HttpGet("User/{id}")]
        public async Task<ResultModel<dynamic>> GetRoleModuleByUser(int id, int page = 0, int limit = 10)
        {
            ResultModel<dynamic> result = new ResultModel<dynamic>();

            var q = from q1 in _context.RoleModules
                    join q2 in _context.UserRoles on q1.RoleID equals q2.RoleID
                    select new
                    {
                        q1.ModuleID,
                        ModuleNo = q1.Module.ModuleNo,
                        ModuleName = q1.Module.ModuleName,
                        ModuleDesc = q1.Module.ModuleDesc,
                        SortSeq = q1.Module.SortSeq,
                        q2.UserID
                    };

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

            result.DataTotal = q.Distinct().ToList().Count;

            if (page > 0)
            {
                q = q.OrderBy(p => p.ModuleID).Skip((page - 1) * limit).Take(limit);
            }
            else
            {
                q = q.OrderBy(p => p.ModuleID);
            }

            var userModule = await q.Distinct().OrderBy(p => p.ModuleID).ToListAsync();

            result.Data = userModule;

            if (userModule == null)
            {
                result.Msg = "查無資料";
                result.Success = false;
                return result;
            }

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

        /// <summary>
        /// 根据角色ID获取该角色模组资料
        /// </summary>
        /// <param name="id"></param>
        /// <param name="page"></param>
        /// <param name="limit"></param>
        /// <returns></returns>
        // GET: api/RoleModules/Role/5
        [HttpGet("Role/{id}")]
        public async Task<ResultModel<RoleModule>> GetRoleModuleByRole(int id, int page = 0, int limit = 10)
        {
            ResultModel<RoleModule> result = new ResultModel<RoleModule>();

            IQueryable<RoleModule> q = _context.RoleModules;

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

            result.DataTotal = q.ToList().Count;

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

            foreach (var data in roleModule)
            {
                //data.ModuleName = _context.ModuleInfoes.Find(data.ModuleID).ModuleName;
                data.Module = _context.ModuleInfoes.Where(p1=>p1.ModuleID.Equals(data.ModuleID)).FirstOrDefault();
                
            }

            result.Data = roleModule;

            if (roleModule == null)
            {
                result.Msg = "查無資料";
                result.Success = false;
                return result;
            }

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

        /// <summary>
        /// 根据角色模组ID获取指定单一资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // GET: api/RoleModules/5
        [HttpGet("{id}")]
        public async Task<ActionResult<IEnumerable<RoleModule>>> GetRoleModule(int id)
        {
            IQueryable<RoleModule> q = _context.RoleModules;

            q = q.Where(p => p.RoleModuleID.Equals(id));

            var roleModule = await q.ToListAsync();

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

            return roleModule;
        }

        /// <summary>
        /// 更新角色模组资料
        /// </summary>
        /// <param name="id"></param>
        /// <param name="roleModule"></param>
        /// <returns></returns>
        // PUT: api/RoleModules/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<RoleModule>> PutRoleModule(int id, [FromBody] RoleModule roleModule)
        {
            ResultModel<RoleModule> result = new ResultModel<RoleModule>();

            if (id != roleModule.RoleModuleID)
            {
                result.Msg = "角色模組編號錯誤";
                result.Success = false;
                return result;
            }

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

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

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!RoleModuleExists(id))
                {
                    result.Msg = "角色模組編號不存在";
                    result.Success = false;
                    return result;
                }
                else
                {
                    throw;
                }
            }

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

        /// <summary>
        /// 新增角色模组资料
        /// </summary>
        /// <param name="roleModule"></param>
        /// <returns></returns>
        // POST: api/RoleModules
        // 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<RoleModule>> PostRoleModule([FromBody] RoleModule roleModule)
        {
            ResultModel<RoleModule> result = new ResultModel<RoleModule>();

            Helper helper = new Helper(_context);
            roleModule.RoleModuleID = helper.GetIDKey("ROLE_MODULEID").Result;
            if (roleModule.EnableFlag == "Y")
            {
                roleModule.EnableUserId = 0;
                roleModule.EnableDateTime = DateTime.Now;
            }

            _context.RoleModules.Add(roleModule);
            await _context.SaveChangesAsync();

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

        /// <summary>
        /// 刪除角色模组资料
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        // DELETE: api/RoleModules/5
        [HttpDelete("{id}")]
        public async Task<ResultModel<RoleModule>> DeleteRoleModule(int id)
        {
            ResultModel<RoleModule> result = new ResultModel<RoleModule>();

            var roleModule = await _context.RoleModules.Where(m => m.RoleModuleID == id).FirstOrDefaultAsync();
            if (roleModule == null)
            {
                result.Msg = "角色模組編號不存在";
                result.Success = false;
                return result;
            }

            _context.RoleModules.Remove(roleModule);
            await _context.SaveChangesAsync();

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


        private bool RoleModuleExists(int id)
        {
            return _context.RoleModules.Any(e => e.RoleModuleID == id);
        }
    }
}