PepApi.Core/PepApi.Core/Controllers/DrawingsController.cs

using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using PepApi.Core.Configuration;
using PepApi.Core.Models;
using PepLib.Data;
using PepLib.IO;

namespace PepApi.Core.Controllers;

[ApiController]
[Route("drawings")]
public class DrawingsController : ControllerBase
{
    private readonly PepDB _db;
    private readonly PepSettings _settings;

    public DrawingsController(PepDB db, IOptions<PepSettings> settings)
    {
        _db = db;
        _settings = settings.Value;
    }

    /// <summary>
    /// Get a list of drawings with optional filtering.
    /// </summary>
    [HttpGet]
    public async Task<ActionResult<List<DrawingSummary>>> GetDrawings([FromQuery] DrawingFilterData? filter)
    {
        var drawings = await _db.Drawings
            .Select(d => new DrawingSummary
            {
                ID = d.ID,
                Name = d.Name,
                Customer = d.Customer,
                CustID = d.CustID,
                Revision = d.Revision,
                Description = d.Description,
                Material = d.Material,
                MaterialGrade = d.MatGrade,
                Status = d.Status,
                Type = d.Type,
                Application = d.Application,
                Programmer = d.Programmer,
                CreatedBy = d.CreatedBy,
                Width = d.Width,
                Length = d.Length,
                TrueArea = d.TrueArea,
                CutLength = d.CutLength,
                CreationDate = d.CreationDate,
                LastEditDate = d.LastEditDate,
                ModifiedDate = d.ModifiedDate,
                HasBevel = d.HasBevel != 0,
                HasLeadIn = d.HasLeadIn != 0,
                HasTab = d.HasTab != 0
            })
            .ToListAsync();

        if (filter != null)
        {
            var filtered = filter.Apply(drawings.AsQueryable()).ToList();
            var paginated = filtered.Skip(filter.Offset).Take(filter.Limit).ToList();
            return Ok(paginated);
        }

        return Ok(drawings.Take(100).ToList());
    }

    /// <summary>
    /// Get a drawing by ID.
    /// </summary>
    [HttpGet("{id:int}")]
    public async Task<ActionResult<DrawingDetails>> GetDrawingById(int id)
    {
        var drawing = await _db.Drawings
            .Where(d => d.ID == id)
            .FirstOrDefaultAsync();

        if (drawing == null)
            return NotFound(new { message = "Drawing not found" });

        return Ok(ConvertToDetails(drawing));
    }

    /// <summary>
    /// Get a drawing by exact name.
    /// </summary>
    [HttpGet("by-name/{name}")]
    public async Task<ActionResult<DrawingDetails>> GetDrawingByName(string name)
    {
        var drawing = await _db.Drawings
            .Where(d => d.Name.ToUpper() == name.ToUpper())
            .FirstOrDefaultAsync();

        if (drawing == null)
            return NotFound(new { message = "Drawing not found" });

        return Ok(ConvertToDetails(drawing));
    }

    /// <summary>
    /// Search drawings by partial name.
    /// </summary>
    [HttpGet("search")]
    public async Task<ActionResult<DrawingSearchResponse>> SearchDrawings(
        [FromQuery] string search,
        [FromQuery] int limit = 100)
    {
        if (string.IsNullOrWhiteSpace(search))
            return BadRequest(new { message = "Search term is required" });

        var searchUpper = search.Trim().ToUpper();

        var allMatches = await _db.Drawings
            .Where(d => d.Name.ToUpper().Contains(searchUpper))
            .Select(d => new DrawingSummary
            {
                ID = d.ID,
                Name = d.Name,
                Customer = d.Customer,
                CustID = d.CustID,
                Revision = d.Revision,
                Description = d.Description,
                Material = d.Material,
                MaterialGrade = d.MatGrade,
                Status = d.Status,
                Type = d.Type,
                Application = d.Application,
                Programmer = d.Programmer,
                CreatedBy = d.CreatedBy,
                Width = d.Width,
                Length = d.Length,
                TrueArea = d.TrueArea,
                CutLength = d.CutLength,
                CreationDate = d.CreationDate,
                LastEditDate = d.LastEditDate,
                ModifiedDate = d.ModifiedDate,
                HasBevel = d.HasBevel != 0,
                HasLeadIn = d.HasLeadIn != 0,
                HasTab = d.HasTab != 0
            })
            .ToListAsync();

        var limitedResults = limit > 0 ? allMatches.Take(limit).ToList() : allMatches;

        return Ok(new DrawingSearchResponse
        {
            SearchTerm = search,
            TotalMatches = allMatches.Count,
            ResultsReturned = limitedResults.Count,
            Results = limitedResults
        });
    }

    /// <summary>
    /// Export a drawing as a DXF file.
    /// </summary>
    [HttpGet("{name}/dxf")]
    public async Task<IActionResult> GetDrawingDxf(string name)
    {
        var drawing = await _db.Drawings
            .Where(d => d.Name.ToUpper() == name.ToUpper())
            .FirstOrDefaultAsync();

        if (drawing == null)
            return NotFound(new { message = "Drawing not found in database" });

        if (string.IsNullOrEmpty(_settings.DrawingsDirectory))
            return StatusCode(503, new { message = "DrawingsDirectory is not configured" });

        var filePath = Path.Combine(_settings.DrawingsDirectory, drawing.File);

        if (!System.IO.File.Exists(filePath))
            return NotFound(new { message = $"Drawing file not found: {drawing.File}" });

        PepLib.Models.Drawing pep;
        try
        {
            pep = PepLib.Models.Drawing.Load(filePath);
        }
        catch (Exception ex)
        {
            return StatusCode(500, new { message = $"Failed to load drawing: {ex.Message}" });
        }

        var stream = DrawingDxfExporter.Export(pep);
        return File(stream, "application/dxf", $"{name}.dxf");
    }

    private static DrawingDetails ConvertToDetails(Drawing drawing)
    {
        return new DrawingDetails
        {
            ID = drawing.ID,
            Name = drawing.Name,
            CustID = drawing.CustID,
            Revision = drawing.Revision,
            Path = drawing.Path,
            File = drawing.File,
            InUseBy = drawing.InUseBy,
            InUseDate = drawing.InUseDate,
            Status = drawing.Status,
            StatusModifiedBy = drawing.StatusModifiedBy,
            StatusModifiedDate = drawing.StatusModifiedDate,
            CreationDate = drawing.CreationDate,
            LastEditDate = drawing.LastEditDate,
            LastRefDate = drawing.LastRefDate,
            Description = drawing.Description,
            Customer = drawing.Customer,
            Comment = drawing.Comment,
            Notes = drawing.Notes,
            Grain = drawing.Grain,
            GrainAngle = drawing.GrainAngle,
            Material = drawing.Material,
            MaterialGrade = drawing.MatGrade,
            Programmer = drawing.Programmer,
            CreatedBy = drawing.CreatedBy,
            Type = drawing.Type,
            CommonCut = drawing.CommonCut,
            CombineCut = drawing.CombineCut,
            Errors = drawing.Errors,
            Hardness = drawing.Hardness,
            Specification = drawing.Specification,
            NestInCutOuts = drawing.NestInCutOuts,
            UserDefined1 = drawing.UserDefined1,
            UserDefined2 = drawing.UserDefined2,
            UserDefined3 = drawing.UserDefined3,
            UserDefined4 = drawing.UserDefined4,
            UserDefined5 = drawing.UserDefined5,
            UserDefined6 = drawing.UserDefined6,
            Machine = drawing.Machine,
            Application = drawing.Application,
            PartCount = drawing.PartCount,
            Color = drawing.Color,
            CombineMethod = drawing.CombineMethod,
            SeqCutouts = drawing.SeqCutouts,
            AllowMirror = drawing.AllowMirror,
            SourceFile = drawing.SourceFile,
            SourceDate = drawing.SourceDate,
            SourceSize = drawing.SourceSize,
            CadScaled = drawing.CadScaled,
            CadDimVerified = drawing.CadDimVerified,
            CadDimCount = drawing.CadDimCount,
            Width = drawing.Width,
            Length = drawing.Length,
            RectArea = drawing.RectArea,
            ExtArea = drawing.ExtArea,
            TrueArea = drawing.TrueArea,
            ExtUtil = drawing.ExtUtil,
            TrueUtil = drawing.TrueUtil,
            SmallestAreaAng = drawing.SmallestAreaAng,
            SmallestAreaLen = drawing.SmallestAreaLen,
            SmallestAreaWid = drawing.SmallestAreaWid,
            SmallestYAng = drawing.SmallestYAng,
            SmallestYLen = drawing.SmallestYLen,
            SmallestYWid = drawing.SmallestYWid,
            CutLength = drawing.CutLength,
            ScribeLength = drawing.ScribeLength,
            Checked = drawing.Checked,
            PepBendStatus = drawing.PepBendStatus,
            HasBevel = drawing.HasBevel != 0,
            HasLeadIn = drawing.HasLeadIn != 0,
            HasTab = drawing.HasTab != 0,
            ModifiedDate = drawing.ModifiedDate,
            ModifiedBy = drawing.ModifiedBy
        };
    }
}