using Api.SeaHavenIndustries.DTOs;
using Api.SeaHavenIndustries.Helper;
using Data.SeaHavenIndustries;
using FluentValidation;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using SeaHaven.DataServices.Models;
using SeaHaven.Services.DTOs;
using SeaHaven.Services.Exceptions;
using SeaHaven.Services.Interfaces;
using System.Security.Claims;

namespace Api.SeaHavenIndustries.Controllers
{
    [Authorize]
    [ApiController]
    [Route("api/WorkOrder")]
    [Route("api/workorders")]
    public class WorkOrderController : Controller
    {
        private readonly IWorkOrderService _workOrderService;
        private readonly IWorkOrderAccountResolver _accountResolver;
        private readonly ILogger<WorkOrderController> _logger;

        public WorkOrderController(
            IWorkOrderService workOrderService,
            IWorkOrderAccountResolver accountResolver,
            ILogger<WorkOrderController> logger)
        {
            _workOrderService = workOrderService;
            _accountResolver = accountResolver;
            _logger = logger;
        }

        [HttpPost]
        [Route("AddWorkorder")]
        public async Task<IActionResult> Addworkorder([FromForm] Workorder_DTO model)
        {
            try
            {
                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var input = new CreateWorkOrderWithDetailsInput
                {
                    WorkerOrderTitle = model.WorkerOrderTitle ?? "",
                    Description = model.Description,
                    Priority = model.Priority?.ToString(),
                    LocationId = model.LocationId,
                    AssignTo = model.AssignTo,
                    DueDate = model.DueDate,
                    ContactIds = model.ContactIds,
                    CategoryIds = model.CategoryIds,
                    Attachments = model.Attachments,
                    BeforPhotoAttachment = model.BeforPhotoAttachment,
                    AfterPhotoAttachment = model.AfterPhotoAttachment,
                    SignOffAttachment = model.SignOffAttachment,
                    Customer = model.Customer
                };

                var workOrderId = await _workOrderService.CreateWorkOrderWithDetailsAsync(input, User, userId!);
                return Ok(new DataResponse { Message = "Work order created successfully", Status = "200", Data = workOrderId });
            }
            catch (ValidationException vex)
            {
                var errors = string.Join(", ", vex.Errors.Select(e => e.ErrorMessage));
                return BadRequest(new Response { Status = "Validation Error", Message = errors });
            }
            catch (WorkOrderBoardValidationException ex) when (ex.Code == "Forbidden")
            {
                return StatusCode(StatusCodes.Status403Forbidden, new Response { Status = "Error", Message = ex.Message });
            }
            catch (WorkOrderBoardValidationException ex)
            {
                return UnprocessableEntity(new Response { Status = "Error", Message = ex.Message });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpPost]
        [HttpPut("{id:int}")]
        [Route("EditWorkorder")]
        public async Task<IActionResult> Editworkorder([FromForm] EditWorkorder_DTO model)
        {
            try
            {
                if (!model.Id.HasValue)
                    return BadRequest(new Response { Status = "Error", Message = "Work order ID is required" });

                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var input = new UpdateWorkOrderWithDetailsInput
                {
                    Id = model.Id.Value,
                    WorkerOrderTitle = model.WorkerOrderTitle,
                    Description = model.Description,
                    Status = model.Status?.ToString(),
                    Priority = model.Priority?.ToString(),
                    LocationId = model.LocationId,
                    AssignTo = model.AssignTo,
                    DueDate = model.DueDate,
                    CompletedDate = model.CompletedDate,
                    ContactIds = model.ContactIds,
                    CategoryIds = model.CategoryIds,
                    Attachments = model.Attachments,
                    BeforPhotoAttachment = model.BeforPhotoAttachment,
                    AfterPhotoAttachment = model.AfterPhotoAttachment,
                    SignOffAttachment = model.SignOffAttachment
                };

                var success = await _workOrderService.UpdateWorkOrderWithDetailsAsync(input, userId!);
                if (!success)
                    return BadRequest(new Response { Status = "Error", Message = "Work order not found" });

                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200" });
            }
            catch (ValidationException vex)
            {
                var errors = string.Join(", ", vex.Errors.Select(e => e.ErrorMessage));
                return BadRequest(new Response { Status = "Validation Error", Message = errors });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpGet("GetWorkOrderList")]
        public async Task<IActionResult> GetWorkOrderList(string? search = "", int page = 1, int pageSize = 12, string? sortBy = "lastUpdated", string? sortDir = "desc", string? status = "", string? assignee = "", int? locationId = null)
        {
            try
            {
                var accountId = _accountResolver.ResolveAccountFilter(User);
                var (data, totalCount) = await _workOrderService.GetWorkOrderListPagedAsync(
                    page, pageSize, search, status, assignee, locationId, sortBy, sortDir, accountId);

                var viewModel = new Pagination_DTO
                {
                    Data = data,
                    PageNumber = page,
                    PageSize = pageSize,
                    TotalCount = totalCount,
                    TotalPages = (int)Math.Ceiling(totalCount / (double)pageSize)
                };

                return Ok(viewModel);
            }
            catch (WorkOrderBoardValidationException ex) when (ex.Code == "Forbidden")
            {
                return StatusCode(StatusCodes.Status403Forbidden, new Response { Status = "Error", Message = ex.Message });
            }
        }

        [Authorize(Roles = "Admin")]
        [HttpDelete]
        [Route("DeleteWorkorder")]
        public async Task<IActionResult> Deleteworkorder([FromBody] EditWorkorder_DTO model)
        {
            int id = model.Id.HasValue ? model.Id.Value : 0;
            if (id == 0)
                return BadRequest("Id is required");

            try
            {
                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var success = await _workOrderService.DeleteWorkOrderCascadeAsync(id, userId!);

                if (!success)
                    return BadRequest("Work order not found!");

                return Ok(new DataResponse { Message = "Removed Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpGet]
        [Route("GetFilteredWorkorder")]
        public async Task<IActionResult> GetFilteredWorkorder(
            [FromQuery] string[] assignto,
            [FromQuery] int[]? location,
            [FromQuery] string[]? priority,
            [FromQuery] string[]? status,
            [FromQuery] string[]? duedate,
            [FromQuery] string search = "",
            [FromQuery] string sort = "Sort Order",
            [FromQuery] string sortby = "Sort By",
            int page = 1,
            int pageSize = 10)
        {
            try
            {
                var result = await _workOrderService.GetFilteredWorkOrdersAsync(
                    assignto, location, priority, status, duedate, search, sort, sortby, page, pageSize);
                return Ok(result);
            }
            catch (Exception)
            {
                return StatusCode(500, "Internal Server Error");
            }
        }

        [HttpGet("{id:int}")]
        [HttpGet("GetWorkorderById")]
        public async Task<IActionResult> GetWorkorderById(int id)
        {
            var detail = await _workOrderService.GetWorkOrderDetailAsync(id);
            if (detail == null)
                return BadRequest(new Response { Status = "Error", Message = "ID not found!" });
            return Ok(detail);
        }

        [HttpGet]
        [Route("GetFilteredWorkorder2")]
        public async Task<IActionResult> GetFilteredWorkorder2(
            [FromQuery] string[] assignto,
            [FromQuery] int[]? location,
            [FromQuery] string[]? priority,
            [FromQuery] string[]? status,
            [FromQuery] string[]? duedate,
            [FromQuery] string search = "",
            [FromQuery] string sort = "Sort Order",
            [FromQuery] string sortby = "Sort By",
            int page = 1,
            int pageSize = 10)
        {
            try
            {
                var result = await _workOrderService.GetFilteredWorkOrders2Async(
                    assignto, location, priority, status, duedate, search, sort, sortby, page, pageSize);
                return Ok(result);
            }
            catch (Exception)
            {
                var totalCount = await _workOrderService.GetTotalWorkOrderCountAsync();
                return Ok(new Pagination_DTO
                {
                    Data = Array.Empty<FilteredWorkOrderReadModel>(),
                    PageNumber = page,
                    PageSize = pageSize,
                    TotalCount = totalCount,
                    TotalPages = (int)Math.Ceiling(totalCount / (double)pageSize)
                });
            }
        }

        [HttpPost]
        [Route("ChangeStatus")]
        public async Task<IActionResult> ChangeStatus(int id, string status)
        {
            try
            {
                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var result = await _workOrderService.ChangeStatusAsync(id, status, userId!);
                if (result == null)
                    return BadRequest(new Response { Status = "Error", Message = "Work order not found" });

                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200", Data = result });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpPost]
        [Route("ChangeAssignment")]
        public async Task<IActionResult> ChangeAssignment(int id, string? assignTo)
        {
            try
            {
                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var result = await _workOrderService.ChangeAssignmentAsync(id, assignTo, userId!);
                if (result == null)
                    return BadRequest(new Response { Status = "Error", Message = "Work order not found" });

                return Ok(result);
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpPost]
        [Route("AddComment")]
        public async Task<IActionResult> AddComment([FromForm] Comments_DTO model)
        {
            try
            {
                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var input = new AddCommentInput
                {
                    WorkorderId = model.WorkorderId,
                    Text = model.Text,
                    CommentType = model.CommentType,
                    Document = model.Document
                };

                var saved = await _workOrderService.AddCommentAsync(input, userId!);
                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200", Data = saved });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpPost]
        [Route("AddCommentJson")]
        public async Task<IActionResult> AddCommentJson([FromBody] Comments_DTO model)
        {
            try
            {
                var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
                var input = new AddCommentInput
                {
                    WorkorderId = model.WorkorderId,
                    Text = model.Text,
                    CommentType = model.CommentType
                };

                var result = await _workOrderService.AddCommentJsonAsync(input, userId!);
                return Ok(result);
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = _logger.Sanitize(ex) });
            }
        }

        [HttpGet]
        [Route("GetComments")]
        public async Task<IActionResult> GetComments()
        {
            var data = await _workOrderService.GetCommentsAsync();
            return Ok(data);
        }

        [HttpGet]
        [Route("GetCommentsByWorkorderId")]
        public async Task<IActionResult> GetCommentsByWorkorderId(int woid)
        {
            var data = await _workOrderService.GetCommentsByWorkorderIdAsync(woid);
            return Ok(data);
        }

        [HttpGet]
        [Route("GetworkordersDD")]
        public async Task<IActionResult> GetworkordersDD()
        {
            var data = await _workOrderService.GetWorkordersDDAsync();
            return Ok(data);
        }

        [HttpGet]
        [Route("Getworkorders")]
        public async Task<IActionResult> Getworkorders()
        {
            var data = await _workOrderService.GetWorkordersAsync();
            return Ok(data);
        }
    }
}