using Api.SeaHavenIndustries.DTOs;
using Data.SeaHavenIndustries;
using FluentValidation;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using SeaHaven.Services.Interfaces;
using SeaHaven.Services.DTOs;
using System.Security.Claims;

[ApiController]
[Route("api/PMSchedule")]
[Route("api/pmschedules")]
public class PMScheduleController : ControllerBase
{
    private readonly IPMScheduleService _pmScheduleService;

    public PMScheduleController(IPMScheduleService pmScheduleService)
    {
        _pmScheduleService = pmScheduleService;
    }

    [HttpGet("GetList")]
    public async Task<IActionResult> GetList()
    {
        var items = await _pmScheduleService.GetAllPMSchedulesAsync();

        var data = items.Select(x => new
        {
            Id = x.Id,
            Name = x.Name,
            Frequency = x.Frequency,
            StartDate = x.StartDate,
            IsActive = x.IsActive,
            Asset = x.AssetName,
            Location = x.LocationName
        });

        return Ok(data);
    }

    [HttpGet("GetById")]
    public async Task<IActionResult> GetById([FromQuery] int id)
    {
        try
        {
            var pmSchedule = await _pmScheduleService.GetPMScheduleByIdAsync(id);
            if (pmSchedule == null)
                return NotFound(new Response { Status = "Error", Message = "PM Schedule not found" });

            return Ok(new
            {
                Id = pmSchedule.Id,
                Name = pmSchedule.Name,
                Frequency = pmSchedule.Frequency,
                StartDate = pmSchedule.StartDate,
                IsActive = pmSchedule.IsActive,
                AssetId = pmSchedule.AssetId,
                LocationId = pmSchedule.LocationId,
                Asset = pmSchedule.AssetName,
                Location = pmSchedule.LocationName
            });
        }
        catch (KeyNotFoundException)
        {
            return NotFound(new Response { Status = "Error", Message = "PM Schedule not found" });
        }
        catch (Exception ex)
        {
            return StatusCode(500, new Response { Status = "Error", Message = ex.Message });
        }
    }

    [HttpPost("Save")]
    public async Task<IActionResult> Save(PMSchedule_DTO dto)
    {
        try
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            if (userId == null)
                return Unauthorized(new Response { Status = "Error", Message = "User not authenticated" });

            if (dto.Id == 0)
            {
                var createDto = new CreatePMScheduleDTO
                {
                    Name = dto.Name,
                    Frequency = dto.Frequency,
                    StartDate = dto.StartDate,
                    IsActive = dto.IsActive,
                    AssetId = dto.AssetId,
                    LocationId = dto.LocationId
                };
                await _pmScheduleService.CreatePMScheduleAsync(createDto, userId);
            }
            else
            {
                var updateDto = new UpdatePMScheduleDTO
                {
                    Name = dto.Name,
                    Frequency = dto.Frequency,
                    StartDate = dto.StartDate,
                    IsActive = dto.IsActive,
                    AssetId = dto.AssetId,
                    LocationId = dto.LocationId
                };
                await _pmScheduleService.UpdatePMScheduleAsync(dto.Id, updateDto, userId);
            }

            return Ok();
        }
        catch (ValidationException vex)
        {
            var errors = string.Join(", ", vex.Errors.Select(e => e.ErrorMessage));
            return BadRequest(new Response { Status = "Validation Error", Message = errors });
        }
        catch (KeyNotFoundException)
        {
            return NotFound(new Response { Status = "Error", Message = "PM Schedule not found" });
        }
        catch (Exception ex)
        {
            return StatusCode(500, new Response { Status = "Error", Message = ex.Message });
        }
    }

    [HttpPost("Delete")]
    public async Task<IActionResult> Delete([FromQuery] int id)
    {
        try
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            if (userId == null)
                return Unauthorized(new Response { Status = "Error", Message = "User not authenticated" });

            await _pmScheduleService.DeletePMScheduleAsync(id, userId);
            return Ok(new DataResponse { Message = "PM Schedule deleted successfully", Status = "200" });
        }
        catch (KeyNotFoundException)
        {
            return NotFound(new Response { Status = "Error", Message = "PM Schedule not found" });
        }
        catch (Exception ex)
        {
            return StatusCode(500, new Response { Status = "Error", Message = ex.Message });
        }
    }
}