/*
 *                     GNU AFFERO GENERAL PUBLIC LICENSE
 *                       Version 3, 19 November 2007
 *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 *  Everyone is permitted to copy and distribute verbatim copies
 *  of this license document, but changing it is not allowed.
 */

using System;
using System.Collections.Generic;
using Emgu.CV.CvEnum;
using UVtools.Core.Operations;
using UVtools.Core.Scripting;

namespace UVtools.ScriptSample;

/// <summary>
/// A workflow automation sample
/// </summary>
public class ScriptAutomateWorkflowSample : ScriptGlobals
{
    private readonly ScriptCheckBoxInput InputErode = new()
    {
        Label = "Erode base layers",
        Value = true
    };
    private readonly ScriptCheckBoxInput InputReliefRaft = new()
    {
        Label = "Relief raft",
        Value = true
    };
    private readonly ScriptCheckBoxInput InputPixelDimming = new()
    {
        Label = "Pixel dimming base layers",
        Value = true
    };
    /// <summary>
    /// Set configurations here, this function trigger just after load a script
    /// </summary>
    public void ScriptInit()
    {
        Script.Name = "Automate my workflow";
        Script.Description = "A workflow automation sample";
        Script.Author = "Tiago Conceição";
        Script.Version = new Version(0, 1);
        Script.UserInputs.AddRange(new []
        {
            InputErode, 
            InputReliefRaft,
            InputPixelDimming
        });
    }

    /// <summary>
    /// Validate user inputs here, this function trigger when user click on execute
    /// </summary>
    /// <returns>A error message, empty or null if validation passes.</returns>
    public string? ScriptValidate()
    {
        return null;
    }

    /// <summary>
    /// Execute the script, this function trigger when when user click on execute and validation passes
    /// </summary>
    /// <returns>True if executes successfully to the end, otherwise false.</returns>
    public bool ScriptExecute()
    {
        List<Operation> operations = new();

        // Morph bottom layers
        if (InputErode.Value)
        {
            OperationMorph morph = new(SlicerFile)
            {
                MorphOperation = OperationMorph.MorphOperations.Erode,
                Iterations = 4,
            };
            morph.SelectBottomLayers();
            operations.Add(morph);
        }

        // Raft relief
        if (InputReliefRaft.Value)
        {
            OperationRaftRelief raftRelief = new(SlicerFile)
            {
                ReliefType = OperationRaftRelief.RaftReliefTypes.Relief,
            };
            operations.Add(raftRelief);
        }

        // Dim and apply checkboard pattern to bottom layers
        if (InputPixelDimming.Value)
        {
            OperationPixelDimming pixelDimming = new(SlicerFile);
            pixelDimming.GeneratePixelDimming("Chessboard");
            pixelDimming.SelectBottomLayers();
            operations.Add(pixelDimming);

            foreach (var operation in operations) // Loop all my created operations to execute them
            {
                Progress.ThrowIfCancellationRequested(); // Abort operation, user requested cancellation
                operation.ROI = Operation.ROI; // Copy user selected ROI to my operation
                operation.MaskPoints = Operation.MaskPoints; // Copy user selected Masks to my operation
                if (!operation.CanValidate()) continue; // If cant validate don't execute the operation
                operation.Execute(Progress);
            }
        }

        // return true if not cancelled by user
        return !Progress.Token.IsCancellationRequested;
    }
}