using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using System.Security.Claims;
using static asg_form.Controllers.InviteReferee;
using static asg_form.Controllers.menuAssignController;

namespace asg_form.Controllers
{


    [ApiController]
    public class menuAssignController : ControllerBase
    {
        public class menuDB
        {
            public string id { get; set; }
            public string path { get; set; }
            public string icon_class { get; set; }
            public string title { get; set; }
            public string parent_id { get; set; }
            public string auth { get; set; }
            public string component { get; set; }
            public string allow_operate { get; set; }
            public string show { get; set; }
            public int sort {  get; set; }
            public string adaptability { get; set; }
        }
        public class menuInput
        {
            public string id { get; set; }
            public string path { get; set; }
            public string iconClass { get; set; }
            public string title { get; set; }
            public string parentId { get; set; }
            public string auth { get; set; }
            public string component { get; set; }
            public string allowOperate { get; set; }
            public string show { get; set; }
            public int sort { get; set; }
            public string adaptability { get; set; }
        }

        private readonly UserManager<User> userManager;

        /// <summary>
        /// 新增菜单
        /// </summary>
        [Route("api/v1/admin/menuAdd")]
        [HttpPost]
        [Authorize]
        public async Task<ActionResult<object>> menuAdd([FromBody] menuInput msg)
        {
            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
            {
                return BadRequest(new error_mb { code = 400, message = "无权访问" });
            }
            using (var db = new TestDbContext())
            {
                try
                {
                    var mA = db.mainMenu.Find(msg.id);
                    if (mA == null)
                    {
                        var menu = new menuDB
                        {
                            id = msg.id,
                            path = msg.path,
                            icon_class = msg.iconClass,
                            title = msg.title,
                            parent_id = msg.parentId,
                            auth = msg.auth,
                            component = msg.component,
                            allow_operate = msg.allowOperate,
                            show = msg.show,
                            sort = msg.sort,
                            adaptability = msg.adaptability == null ? "1" :msg.adaptability,
                        };
                        db.mainMenu.Add(menu);
                        db.SaveChanges();
                    }
                    else
                    {
                        mA.id = msg.id;
                        mA.path = msg.path;
                        mA.icon_class = msg.iconClass;
                        mA.title = msg.title;
                        mA.parent_id = msg.parentId;
                        mA.auth = msg.auth;
                        mA.component = msg.component;
                        mA.allow_operate = msg.allowOperate;
                        mA.show = msg.show;
                        mA.sort = msg.sort;
                        mA.adaptability = msg.adaptability == null ? "1" : msg.adaptability;
                        db.SaveChanges();
                    }
                    return Ok(new error_mb { code = 200, message = "成功存入" });
                }
                catch (Exception ex)
                {
                    return Ok(new { code = 500, message = "服务器错误", ex });
                }
            }
        }

        /// <summary>
        /// 删除菜单
        /// </summary>
        [Route("api/v1/admin/menuDel")]
        [HttpDelete]
        [Authorize]
        public async Task<ActionResult<object>> menuDel([FromQuery] string uid)
        {
            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
            {
                return BadRequest(new error_mb { code = 400, message = "无权访问" });
            }
            using (var db = new TestDbContext())
            {
                try
                {
                    var menumessage = db.mainMenu.FirstOrDefault(n => n.id == uid);
                    if (menumessage != null) db.Remove(menumessage);
                    else return Ok(new error_mb { code = 400, message = "数据不存在" });
                    db.SaveChanges();
                    return Ok(new error_mb { code = 200, message = "成功删除" });
                }
                catch (Exception ex)
                {
                    return Ok(new { code = 500, message = "服务器错误", ex });
                }
            }
        }
        public class menuFront
        {
            public string id { get; set; }
            public string path { get; set; }
            public string iconClass { get; set; }
            public string title { get; set; }
            public string parentId { get; set; }
            public string auth { get; set; }
            public string component { get; set; }
            public string allowOperate { get; set; }
            public string show { get; set; }
            public int sort { get; set; } = 1;
            public string adaptability { get; set; }
            public List<menuFront> children { get; set; } = new List<menuFront>();
        }

        private List<menuFront> BuildTree(IEnumerable<menuDB> nodes, string? parentId)
        {
            try
            {
                return nodes.Where(x => x.parent_id == parentId)
                            .OrderBy(x => x.sort)
                            .Select(x => new menuFront
                            {
                                id = x.id,
                                path = x.path,
                                iconClass = x.icon_class,
                                title = x.title,
                                parentId = x.parent_id,
                                auth = x.auth,
                                component = x.component,
                                allowOperate = x.allow_operate,
                                show = x.show,
                                sort = x.sort,
                                adaptability = x.adaptability,
                                children = BuildTree(nodes, x.id)
                            }).ToList();
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error in BuildTree: {ex.Message}");
                throw; 
            }
        }


        /// <summary>
        /// 查询菜单
        /// </summary>
        [Route("api/v1/admin/menuFind")]
        [HttpGet]
        public async Task<ActionResult<object>> menuFind()
        {
            using (var db = new TestDbContext())
            {
                try
                {
                    var query = db.mainMenu.AsQueryable();
                    int total = query.Count();
                    var allData = query.ToList();
                    var rootNodes = allData.Where(x => x.parent_id == "-1").ToList();
                    var treeData = BuildTree(allData, "-1").ToList();
                    return Ok(new { code = 200, message = "" ,data=treeData,total});
                }
                catch (Exception ex)
                {
                    return Ok(new { code = 500, message = "服务器错误", ex });
                }
            }
        }
    }
}