using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;
using Tango.BL.Entities;
using Tango.BL.Enumerations;
using Tango.ColorConversion;
using Tango.Core;
using Tango.Core.ExtensionMethods;

namespace Tango.Integration.Operation
{
    /// <summary>
    /// Represents the default <see cref="IMachineOperator"/> gradient steps generation configuration.
    /// </summary>
    public class DefaultGradientGenerationConfiguration : ExtendedObject, IGradientGenerationConfiguration
    {
        private class CMYK
        {
            public double C { get; set; }
            public double M { get; set; }
            public double Y { get; set; }
            public double K { get; set; }
            public double OffsetPercent { get; set; }
        }

        private bool aborted;

        private bool _isEnabled;
        /// <summary>
        /// Gets or sets a value indicating whether to generate the gradient steps.
        /// </summary>
        public bool IsEnabled
        {
            get { return _isEnabled; }
            set { _isEnabled = value; RaisePropertyChangedAuto(); }
        }

        private int _resolutionCM;
        /// <summary>
        /// Gets or sets the gradient steps resolution in centimeters.
        /// </summary>
        public int ResolutionCM
        {
            get { return _resolutionCM; }
            set { _resolutionCM = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="DefaultGradientGenerationConfiguration"/> class.
        /// </summary>
        public DefaultGradientGenerationConfiguration()
        {
            ResolutionCM = 500;
        }

        /// <summary>
        /// Creates a collection of brush stops representing the required gradient steps.
        /// </summary>
        /// <param name="segment">The segment.</param>
        /// <param name="job">The job</param>
        /// <param name="processParameters">The process parameters.</param>
        /// <param name="progress">Progress callback.</param>
        /// <returns></returns>
        public List<BrushStop> Generate(Segment segment, Job job, ProcessParametersTable processParameters, Action<PreparingJobProgressEventArgs> progress = null)
        {
            aborted = false;

            List<BrushStop> stops = new List<BrushStop>();

            var previousSegmentsLength = segment.GetPreviousSegments().Sum(x => x.plain