using AngleSharp.Text;
using asg_form.Controllers.Hubs;
using asg_form.Controllers.Store;
using Manganese.Array;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using System.Security.Claims;
using Microsoft.EntityFrameworkCore;
using Mirai.Net.Utils.Scaffolds;
using Flandre.Core.Messaging.Segments;
using Flandre.Core.Messaging;
using Flandre.Core.Common;


namespace asg_form.Controllers
{


    public class TaskDB
    {
        public long id { get; set; }
        public string chinaname { get; set; }
        public string createPerson { get; set; }
        public long? createUserId { get; set; }
        public long userId { get; set; }
        public string taskName { get; set; }
        public string taskDescription {  get; set; }
        public string status { get; set; }
        public long money { get; set; }

        public string createTime { get; set; }
        
        public string lastOperateTime { get; set; }

        public string approvalPerson { get; set; }
        public string priority { get; set; }
    }
    public class TaskCreate
    {
        public string Chinaname { get; set; }
        public string CreatePerson { get; set; }
        public long? CreateUserid { get; set; }
        public long UserId { get; set; }
        public string TaskName { get; set; }
        public string TaskDescription { get; set; }
        public long Money { get; set; }
        public string priority { get; set; }
    }
    public class AssignmentController : ControllerBase
    {
        private readonly RoleManager<Role> roleManager;
        private readonly UserManager<User> userManager;
        public AssignmentController(
            RoleManager<Role> roleManager, UserManager<User> userManager)
        {
            this.roleManager = roleManager;
            this.userManager = userManager;
        }

        [Route("api/v1/admin/Task")]
        [HttpPost]
        [Authorize]
        public async Task<ActionResult<string>> PubTask([FromBody] TaskCreate taskinfo)
        {
            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
            {
                return Ok(new error_mb { code = 401, message = "无权访问" });
            }
            var dateString = DateTime.Now;
            using (TestDbContext sub = new TestDbContext())
            {
                int wp = -2;
                try
                {

                    var user = await userManager.Users.FirstOrDefaultAsync(u => u.Id == taskinfo.UserId);
                    var task = new TaskDB
                {
                    chinaname = taskinfo.Chinaname,
                    createPerson = taskinfo.CreatePerson,
                    createUserId = taskinfo.CreateUserid,
                    userId = taskinfo.UserId,
                    taskName = taskinfo.TaskName,
                    taskDescription = taskinfo.TaskDescription,
                    money = taskinfo.Money,
                    status = "0",
                    createTime = dateString.ToString(),
                    lastOperateTime = dateString.ToString(),
                    approvalPerson = "未审核",
                    priority = taskinfo.priority
                };
                sub.T_Task.Add(task);
                
                wp = -1;
                string msg = $"［ASG管理系统］{taskinfo.Chinaname} 同学，您有新的{taskinfo.priority}星级待办任务，请您登录后台管理系统查看任务详情，并及时完成任务。--{taskinfo.CreatePerson}";
                string qqgroup = "925510646";
                    wp = 0;
                    var atuserqq = user.qqnumber;
                    if(atuserqq == null) return Ok(new { code = 500, message = "服务器错误" });
                    var message = new MessageBuilder().Add(new AtSegment(atuserqq)).Text(msg).Build();
                    await sub.SaveChangesAsync();
                    try
                    {
                        await runbot.runbotr.SendMessageAsync(MessageEnvironment.Channel, qqgroup, null, message, qqgroup);                    
                        return Ok(new error_mb { code = 200, message = "新建任务成功" });
                    }
                    catch
                    {
                        return Ok(new error_mb { code = 200, message = "机器人错误" });
                    }
                }
                catch (Exception ex)
                {
                    return Ok(new { code = 500, message = "服务器错误", details = ex ,wp});
                }

            }

        }


        [Route("api/v1/admin/Task")]
        [HttpDelete]
        [Authorize]
        public async Task<ActionResult<object>> DelTask([FromQuery] long id)
        {
            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
            {
                return Ok(new error_mb { code = 401, message = "无权访问" });
            }
            using (TestDbContext sub = new TestDbContext())
            {
                sub.T_Task.Remove(sub.T_Task.Find(id));
                await sub.SaveChangesAsync();
                return Ok(new error_mb { code = 200, message = "成功删除" });
            }
        }

        [Route("api/v1/Task")]
        [HttpGet]
        [Authorize]
        public async Task<ActionResult<object>> CekTask([FromQuery] long taskid)
        {  
            using (TestDbContext sub = new TestDbContext())
            {
                string userId = this.User.FindFirst(ClaimTypes.NameIdentifier)!.Value;
                var user = await userManager.FindByIdAsync(userId);
                var task = sub.T_Task.Find(taskid);
                var dateString = DateTime.Now;
                task.status = "1";
                task.lastOperateTime = dateString.ToString();
                await sub.SaveChangesAsync();
                string mesg = $"［ASG管理系统］{user.chinaname}同学的任务:{task.taskName}已完成，请及时上后台系统审批。";
                string qqgroup = "925510646";
                var atuserqq = "3124961425";
                var message = new MessageBuilder().Add(new AtSegment(atuserqq)).Text(mesg).Build();
                try
                {
                    await runbot.runbotr.SendMessageAsync(MessageEnvironment.Channel, qqgroup, null, message, qqgroup);
                    return Ok(new error_mb { code = 200, message = "成功提交修改" });
                }
                
                catch
                {
                    return Ok(new error_mb { code = 200, message = "机器人错误" });
                }
            }
        }
        public class statusChange
        {
            public long taskid {  get; set; }
            public string status { get; set; }

        }
        [Route("api/v1/admin/Task/Done")]
        [HttpPost]
        [Authorize]
        public async Task<ActionResult<object>> FinishTask([FromBody] statusChange msg)
        {
            string userId = this.User.FindFirst(ClaimTypes.NameIdentifier)!.Value;
            var user = await userManager.FindByIdAsync(userId);

            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
            {
                return Ok(new error_mb { code = 401, message = "无权访问" });
            }
            var dateString = DateTime.Now;
            using (TestDbContext sub = new TestDbContext())
            {
                var task = sub.T_Task.Find(msg.taskid);
                long isPassed = long.Parse(msg.status);
                var user_done = await userManager.FindByIdAsync(task.userId.ToString());
                if(isPassed == 2)
                {
                    task.status = "2";
                    //user.Integral += task.money;
                    
                    user_done.Integral += task.money;
                }
                if (isPassed == 3)
                {
                    task.status = "3";
                }
                task.lastOperateTime = dateString.ToString();
                task.approvalPerson = user.chinaname;
                await userManager.UpdateAsync(user);
                await sub.SaveChangesAsync();
                var result = new
                {
                    approvalPerson = user.chinaname,
                    status = task.status,
                    taskId = msg.taskid,
                    code = 200,
                    message = "成功修改" 
                };
                string mesg = "未知错误";
                if(task.status == "2")
                {
                    mesg = $"［ASG管理系统］{user_done.officium}{user_done.chinaname}同学，您的任务{task.taskName}完成已被通过。积分奖励已经发放，感谢您的付出！";
                }else if(task.status == "3")
                {
                    mesg = $"［ASG管理系统］{user_done.officium}{user_done.chinaname}同学，您的任务{task.taskName}完成未被通过。请您登录后台管理系统查看详情，并于完成后再次提交。";
                }       
                string qqgroup = "925510646";
                var atuserqq = user_done.qqnumber;
                if (atuserqq == null) return Ok(new { code = 500, message = "服务器错误" });
                var message = new MessageBuilder().Add(new AtSegment(atuserqq)).Text(mesg).Build();
                try
                {
                    await runbot.runbotr.SendMessageAsync(MessageEnvironment.Channel, qqgroup, null, message, qqgroup);
                    return Ok(new { code = 200, message = "成功提交修改", result });
                }
                
                catch
                {
                    return Ok(new error_mb { code = 200, message = "机器人错误" });
                }

            }
        }

        [Route("api/v1/Tasks")]
        [HttpGet]
        [Authorize]
        public async Task<ActionResult<List<TaskDB>>> GetTasks([FromQuery] string userid = null)
        {
            TestDbContext test = new TestDbContext();

            var query = test.T_Task.AsQueryable();

            if (!string.IsNullOrEmpty(userid))
            {
                long idNum = long.Parse(userid);
                query = query.Where(n => n.userId == idNum && n.status!="2");
            }

            //return Ok("用户不存在");
            return query.OrderByDescending(a => a.userId)
                .ThenByDescending(n => n.priority == "5" ? 5 :
                            n.priority == "4" ? 4 :
                            n.priority == "3" ? 3 :
                            n.priority == "2" ? 2 :
                            n.priority == "1" ? 1 :
                            n.priority == "0" ? 0 :
                            10).ToList();
        }

        [Route("api/v1/admin/FindTasks")]
        [HttpGet]
        [Authorize]
        public async Task<ActionResult<object>> FindTasks([FromQuery] long userId = -1,string priority = null,string status = null,short page = 1,short limit = 10)
        {
            //string encodedChinaname = HttpUtility.UrlEncode(chinaname);

            if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
            {
                return Ok(new error_mb { code = 401, message = "无权访问" });
            }
            using (TestDbContext sub = new TestDbContext())
            {
                //List <TaskDB> taskDBs = new List<TaskDB>();

                var query = sub.T_Task.AsQueryable();

                if (!string.IsNullOrEmpty(priority))
                {
                    query = query.Where(n => n.priority == priority);
                }

                if (!string.IsNullOrEmpty(status))
                {
                    query = query.Where(n => n.status == status);
                }

                if (userId != -1)
                {
                    query = query.Where(n => n.userId == userId);
                }
                // var customOrder = new[] { "1","0","3","2" };

                var TotalRecords = await query.CountAsync();

                var Tasks = await query
                    .OrderByDescending(t => t.status == "1" ? 3 :
                            t.status == "0" ? 2 :
                            t.status == "3" ? 1 :
                            t.status == "2" ? 0 :
                            10)
                    .ThenByDescending(n => n.priority ==  "5" ? 5 :
                            n.priority == "4" ? 4 :
                            n.priority == "3" ? 3 :
                            n.priority == "2" ? 2 :
                            n.priority == "1" ? 1 :
                            n.priority == "0" ? 0 :
                            10)
                    .Skip((page - 1) * limit)
                    .Take(limit)
                    .ToListAsync();

                var data = new
                {
                    rows = Tasks ,
                    total = TotalRecords,
                };
                return Ok(new { code = 200, message = " ", data });
            }
        }

        [Route("api/v1/admin/RemindTasks")]
        [HttpGet]
        [Authorize]
        public async Task<ActionResult<object>> RemindTasks([FromQuery] long taskId)
        {
            try
            {
                if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
                {
                    return Ok(new error_mb { code = 401, message = "无权访问" });
                }
                using (var db = new TestDbContext())
                {
                    var task = db.T_Task.Find(taskId);
                    if (task == null) return Ok(new { code = 404, message = "任务未找到" });
                    var user = await userManager.FindByIdAsync(task.userId.ToString());
                    string mesg = $"［ASG管理系统］{user.officium}{user.chinaname}同学，您的{task.taskName}任务尚未完成，请登录后台管理系统查看任务详情。";         
                    string qqgroup = "925510646";
                    var atuserqq = user.qqnumber;
                    var message = new MessageBuilder().Add(new AtSegment(atuserqq)).Text(mesg).Build();
                    try
                    {
                        await runbot.runbotr.SendMessageAsync(MessageEnvironment.Channel, qqgroup, null, message, qqgroup);
                        return Ok(new { code = 200, message = "已通知" });
                    }
                    
                    catch
                    {
                        return Ok(new error_mb { code = 200, message = "机器人错误" });
                    }
        }
            }catch (Exception ex)
            {
                return Ok(new { code = 500, message = "服务器错误" ,ex});
            }
            
        }
        public class taskChange
        {
            public long taskId { get; set; }
            public string taskName { get; set; }
            public string taskDescription { get; set; }
            public long money { get; set; }
            public string priority { get; set; }
            public long userId { get; set; }
            public string chinaname { get; set; }
        }
        [Route("api/v1/admin/UpdateTasks")]
        [HttpPut]
        [Authorize]
        public async Task<ActionResult<object>> UpdateTask([FromBody] taskChange msg)
        {
            try
            {
                if (!this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "nbadmin"))
                {
                    return Ok(new error_mb { code = 401, message = "无权访问" });
                }
                if(msg == null) return Ok(new error_mb { code = 400, message = "信息不完整" });
                using (var db = new TestDbContext())
                {
                    var task = db.T_Task.Find(msg.taskId);
                    if (task == null) return Ok(new { code = 404, message = "任务未找到" });
                    task.taskDescription = msg.taskDescription;
                    task.money = msg.money;
                    task.taskName = msg.taskName;
                    task.priority = msg.priority;
                    task.userId = msg.userId;
                    task.chinaname = msg.chinaname;
                    await db.SaveChangesAsync();
                    return Ok(new { code = 200, message = "已修改" });
                }
            }
            catch (Exception ex)
            {
                return Ok(new { code = 500, message = "服务器错误", ex });
            }
        }
    }
}