using BMA.EHR.Application.Repositories;
using BMA.EHR.Domain.Common;
using BMA.EHR.Domain.Extensions;
using BMA.EHR.Domain.Models.MetaData;
using BMA.EHR.Domain.Models.Retirement;
using BMA.EHR.Domain.Shared;
using BMA.EHR.Infrastructure.Persistence;
using BMA.EHR.Retirement.Service.Requests;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Swashbuckle.AspNetCore.Annotations;
using System.Security.Claims;
using System.Security.Cryptography;

namespace BMA.EHR.Retirement.Service.Controllers
{
    [Route("api/v{version:apiVersion}/retirement/resign")]
    [ApiVersion("1.0")]
    [ApiController]
    [Produces("application/json")]
    [Authorize]
    [SwaggerTag("ระบบลาออก")]
    public class RetirementResignController : BaseController
    {
        private readonly RetirementRepository _repository;
        private readonly ApplicationDBContext _context;
        private readonly MinIOService _documentService;
        private readonly IHttpContextAccessor _httpContextAccessor;

        public RetirementResignController(RetirementRepository repository,
                                   ApplicationDBContext context,
                                   MinIOService documentService,
                                   IHttpContextAccessor httpContextAccessor)
        {
            _repository = repository;
            _context = context;
            _documentService = documentService;
            _httpContextAccessor = httpContextAccessor;
        }

        #region " Properties "

        private string? UserId => _httpContextAccessor?.HttpContext?.User?.FindFirst(ClaimTypes.NameIdentifier)?.Value;

        private string? FullName => _httpContextAccessor?.HttpContext?.User?.FindFirst("name")?.Value;

        #endregion

        /// <summary>
        /// list รายการลาออกของ User
        /// </summary>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpGet("user")]
        public async Task<ActionResult<ResponseObject>> GetListByProfile()
        {
            var profile = await _context.Profiles
                            .FirstOrDefaultAsync(x => x.KeycloakId == Guid.Parse(UserId));
            if (profile == null)
                return Error(GlobalMessages.DataNotFound, 404);

            var retirementResigns = await _context.RetirementResigns.AsQueryable()
                        .Where(x => x.Profile == profile)
                        .OrderByDescending(x => x.CreatedAt)
                        .Select(p => new
                        {
                            p.Id,
                            p.Location,
                            p.SendDate,
                            p.ActiveDate,
                            p.Reason,
                            p.Status,
                            p.IsActive,
                        })
                        .ToListAsync();

            return Success(retirementResigns);
        }

        /// <summary>
        /// list รายการลาออกของ Admin
        /// </summary>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpGet()]
        public async Task<ActionResult<ResponseObject>> GetListByAdmin()
        {

            var retirementResigns = await _context.RetirementResigns.AsQueryable()
                        .OrderByDescending(x => x.CreatedAt)
                        .Select(p => new
                        {
                            p.Id,
                            Prefix = p.Profile.Prefix == null ? null : p.Profile.Prefix.Name,
                            p.Profile.FirstName,
                            p.Profile.LastName,
                            p.Location,
                            p.SendDate,
                            p.ActiveDate,
                            p.Reason,
                            p.Status,
                            PositionType = p.PositionType == null ? null : p.PositionType.Name,
                            PositionLine = p.PositionLine == null ? null : p.PositionLine.Name,
                            PositionLevel = p.PositionLevel == null ? null : p.PositionLevel.Name,
                            PositionExecutive = p.PositionExecutive == null ? null : p.PositionExecutive.Name,
                            OrganizationOrganization = p.OrganizationOrganization == null ? null : p.OrganizationOrganization.Name,
                            p.IsActive,
                            p.CreatedAt,
                        })
                        .ToListAsync();

            return Success(retirementResigns);
        }

        /// <summary>
        /// get รายละเอียดลาออก
        /// </summary>
        /// <param name="id">Id ลาออก</param>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpGet("{id:length(36)}")]
        public async Task<ActionResult<ResponseObject>> GetDetailByUser(Guid id)
        {
            var data = await _context.RetirementResigns.AsQueryable()
                        .Where(x => x.Id == id)
                        .Select(p => new
                        {
                            p.Id,
                            Prefix = p.Profile.Prefix == null ? null : p.Profile.Prefix.Name,
                            PrefixId = p.Profile.Prefix == null ? Guid.Parse("00000000-0000-0000-0000-000000000000") : p.Profile.Prefix.Id,
                            p.Profile.FirstName,
                            p.Profile.LastName,
                            p.Location,
                            p.SendDate,
                            p.ActiveDate,
                            p.Reason,
                            p.Status,
                            PositionType = p.PositionType == null ? null : p.PositionType.Name,
                            PositionTypeId = p.PositionType == null ? Guid.Parse("00000000-0000-0000-0000-000000000000") : p.PositionType.Id,
                            PositionLine = p.PositionLine == null ? null : p.PositionLine.Name,
                            PositionLineId = p.PositionLine == null ? Guid.Parse("00000000-0000-0000-0000-000000000000") : p.PositionLine.Id,
                            PositionLevel = p.PositionLevel == null ? null : p.PositionLevel.Name,
                            PositionLevelId = p.PositionLevel == null ? Guid.Parse("00000000-0000-0000-0000-000000000000") : p.PositionLevel.Id,
                            PositionExecutive = p.PositionExecutive == null ? null : p.PositionExecutive.Name,
                            PositionExecutiveId = p.PositionExecutive == null ? Guid.Parse("00000000-0000-0000-0000-000000000000") : p.PositionExecutive.Id,
                            OrganizationOrganization = p.OrganizationOrganization == null ? null : p.OrganizationOrganization.Name,
                            OrganizationOrganizationId = p.OrganizationOrganization == null ? Guid.Parse("00000000-0000-0000-0000-000000000000") : p.OrganizationOrganization.Id,
                            p.IsActive,
                            p.CreatedAt,
                        })
                       .FirstOrDefaultAsync();
            if (data == null)
                return Error(GlobalMessages.RetirementResignNotFound, 404);

            return Success(data);
        }

        /// <summary>
        /// สร้างการลาออก
        /// </summary>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpPost()]
        public async Task<ActionResult<ResponseObject>> Post([FromForm] RetirementResignRequest req)
        {
            var profile = await _context.Profiles
                            .Include(x => x.PositionType)
                            .Include(x => x.PositionLevel)
                            .FirstOrDefaultAsync(x => x.KeycloakId == Guid.Parse(UserId));
            if (profile == null)
                return Error(GlobalMessages.DataNotFound, 404);

            var retirementResign = new RetirementResign
            {
                Profile = profile,
                Location = req.Location,
                SendDate = req.SendDate,
                ActiveDate = req.ActiveDate,
                Reason = req.Reason,
                PositionType = profile.PositionType,
                PositionLine = await _context.PositionLines
                            .FirstOrDefaultAsync(x => x.Id == profile.PositionLineId),
                PositionLevel = profile.PositionLevel,
                PositionExecutive = await _context.PositionExecutives
                            .FirstOrDefaultAsync(x => x.Id == profile.PositionExecutiveId),
                OrganizationOrganization = await _context.OrganizationOrganizations
                            .FirstOrDefaultAsync(x => x.Id == profile.OrganizationOrganizationId),
                Status = "PENDING",
                IsActive = true,
                CreatedUserId = FullName ?? "",
                CreatedFullName = UserId ?? "System Administrator",
                CreatedAt = DateTime.Now,
                LastUpdateFullName = FullName ?? "System Administrator",
                LastUpdateUserId = UserId ?? "",
                LastUpdatedAt = DateTime.Now,
            };
            await _context.RetirementResigns.AddAsync(retirementResign);
            await _context.SaveChangesAsync();

            return Success();
        }

        /// <summary>
        /// แก้ไขการลาออก
        /// </summary>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpPut("{id:length(36)}")]
        public async Task<ActionResult<ResponseObject>> Put([FromForm] RetirementResignRequest req, Guid id)
        {
            var updated = await _context.RetirementResigns
                            .FirstOrDefaultAsync(x => x.Id == id);
            if (updated == null)
                return Error(GlobalMessages.RetirementResignNotFound, 404);

            updated.Location = req.Location;
            updated.SendDate = req.SendDate;
            updated.ActiveDate = req.ActiveDate;
            updated.Reason = req.Reason;
            updated.LastUpdateFullName = FullName ?? "System Administrator";
            updated.LastUpdateUserId = UserId ?? "";
            updated.LastUpdatedAt = DateTime.Now;
            await _context.SaveChangesAsync();

            return Success();
        }

        /// <summary>
        /// ลบลาออก
        /// </summary>
        /// <param name="id">Id ลาออก</param>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpDelete("{id:length(36)}")]
        public async Task<ActionResult<ResponseObject>> Delete(Guid id)
        {
            var deleted = await _context.RetirementResigns.AsQueryable()
                            .FirstOrDefaultAsync(x => x.Id == id);
            if (deleted == null)
                return Error(GlobalMessages.RetirementResignNotFound, 404);
            _context.RetirementResigns.Remove(deleted);
            await _context.SaveChangesAsync();
            return Success();
        }

        /// <summary>
        /// อนุมัติคำลาออก
        /// </summary>
        /// <param name="id">Id คำลาออก</param>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpGet("confirm/{id:length(36)}")]
        public async Task<ActionResult<ResponseObject>> AdminConfirm(Guid id)
        {
            var updated = await _context.RetirementResigns
                            .FirstOrDefaultAsync(x => x.Id == id);
            if (updated == null)
                return Error(GlobalMessages.RetirementResignNotFound, 404);

            updated.Status = "APPROVE";
            updated.LastUpdateFullName = FullName ?? "System Administrator";
            updated.LastUpdateUserId = UserId ?? "";
            updated.LastUpdatedAt = DateTime.Now;
            await _context.SaveChangesAsync();

            return Success();
        }

        /// <summary>
        /// ไม่อนุมัติคำลาออก
        /// </summary>
        /// <param name="id">Id คำลาออก</param>
        /// <returns></returns>
        /// <response code="200"></response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpGet("reject/{id:length(36)}")]
        public async Task<ActionResult<ResponseObject>> AdminReject(Guid id)
        {
            var updated = await _context.RetirementResigns
                            .FirstOrDefaultAsync(x => x.Id == id);
            if (updated == null)
                return Error(GlobalMessages.RetirementResignNotFound, 404);

            updated.Status = "REJECT";
            updated.LastUpdateFullName = FullName ?? "System Administrator";
            updated.LastUpdateUserId = UserId ?? "";
            updated.LastUpdatedAt = DateTime.Now;
            await _context.SaveChangesAsync();

            return Success();
        }
    }
}