using Api.SeaHavenIndustries.DTOs;
using Data.SeaHavenIndustries;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;

[ApiController]
[Route("api/Employee")]
public class EmployeeController : Controller
{
    private readonly ApplicationDbContext _db;

    public EmployeeController(ApplicationDbContext db)
    {
        _db = db;
    }

    // -----------------------------------
    // POST: api/Employee/AddEmployees
    // -----------------------------------
    [HttpPost("AddEmployees")]
    public async Task<IActionResult> AddEmployees(AddEmployee_DTO dto)
    {
        var employee = new Employee
        {
            FirstName = dto.FirstName,
            LastName = dto.LastName,
            JobTitleId = dto.JobTitleId,
            PermissionGroupId = dto.PermissionGroupId,
            Status = dto.Status,
            LastLogin = dto.LastLogin,
            CreatedDate = DateTime.UtcNow
        };

        if (!string.IsNullOrWhiteSpace(dto.Email))
        {
            employee.Emails.Add(new EmployeeEmail
            {
                Address = dto.Email,
                IsPrimary = true,
                EmailTypeId = 1
            });
        }

        if (!string.IsNullOrWhiteSpace(dto.Phone))
        {
            employee.Phones.Add(new EmployeePhone
            {
                Number = dto.Phone,
                Extension = dto.PhoneExtension,
                IsPrimary = true,
                PhoneTypeId = 1
            });
        }

        _db.Employees.Add(employee);
        await _db.SaveChangesAsync();

        return Ok(new { Message = "Employee added successfully" });
    }

    // -----------------------------------
    // POST: api/Employee/EditEmployees
    // -----------------------------------
    [HttpPost("EditEmployees")]
    public async Task<IActionResult> EditEmployees(EditEmployee_DTO dto)
    {
        var employee = await _db.Employees
            .Include(e => e.Emails)
            .Include(e => e.Phones)
            .FirstOrDefaultAsync(e => e.Id == dto.Id);

        if (employee == null)
            return BadRequest("Employee not found");

        employee.FirstName = dto.FirstName;
        employee.LastName = dto.LastName;
        employee.JobTitleId = dto.JobTitleId;
        employee.PermissionGroupId = dto.PermissionGroupId;
        employee.Status = dto.Status;
        employee.LastLogin = dto.LastLogin;
        employee.LastModificationTime = DateTime.UtcNow;

        await _db.SaveChangesAsync();
        return Ok(new { Message = "Employee updated successfully" });
    }

    // -----------------------------------
    // GET: api/Employee/GetEmployeeList
    // -----------------------------------
    [HttpGet("GetEmployeeList")]
    public IActionResult GetEmployeeList(string? search = "")
    {
        search ??= "";

        var data = _db.Employees
            .Include(e => e.JobTitle)
            .Include(e => e.Emails)
            .Include(e => e.Phones)
            .Where(e => !e.IsDeleted.HasValue || e.IsDeleted == false)
            .Select(e => new EmployeeListItem_DTO
            {
                Id = e.Id,
                Name = e.FirstName + " " + e.LastName,
                JobTitle = e.JobTitle != null ? e.JobTitle.Name : "",
                Role = "",
                Email = e.Emails.Where(x => x.IsPrimary == true).Select(x => x.Address).FirstOrDefault(),
                Phone = e.Phones.Where(x => x.IsPrimary == true)
                    .Select(x => x.Number + (x.Extension != null ? " ext. " + x.Extension : ""))
                    .FirstOrDefault(),
                Status = e.Status,
                LastLogin = e.LastLogin
            })
            .ToList();

        return Ok(data);
    }
    // -----------------------------------
    // GET: api/Employee/DeleteEmployees?id=5
    // -----------------------------------
    [HttpGet("DeleteEmployees")]
    public async Task<IActionResult> DeleteEmployees(int id)
    {
        try
        {
            var employee = await _db.Employees
                .FirstOrDefaultAsync(e => e.Id == id);

            if (employee == null)
                return BadRequest(new Response
                {
                    Status = "Error",
                    Message = "Employee not found."
                });

            _db.Employees.Remove(employee);
            await _db.SaveChangesAsync();

            return Ok(new DataResponse
            {
                Message = "Employee deleted successfully.",
                Status = "200"
            });
        }
        catch (Exception ex)
        {
            return BadRequest(new Response
            {
                Status = "Error",
                Message = ex.Message
            });
        }
    }

}