using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace JRCookbookBusiness
{
    public class RecipeProcedure: ICloneable
    {
        public Guid? recipeProcedureID = null;
        public Guid? recipeID = null;
        public String procedureText = String.Empty;
        public Int32 procedureIndex = 0;
        public bool isHeading = false;

        public RecipeProcedure()
        {
        }

        public RecipeProcedure(Recipe parentRecipe)
        {
            recipeID = parentRecipe.recipeID;
        }

        public RecipeProcedure(Guid recipeProcedureID)
        {
            PopulateByID(recipeProcedureID);
        }


        public void PasteIntoChapter(Guid newRecipeID)
        {
            this.recipeProcedureID = null;
            this.recipeID = newRecipeID;
        }

        public void Save()
        {
            if (this.recipeProcedureID == null)
            {
                this.recipeProcedureID = clsDatabaseLayer.GetDatabaseLayer().GetNewIDRecipeProcedure();
                clsDatabaseLayer.GetDatabaseLayer().InsertRecipeProcedure(this);
            }
            else
            {
                clsDatabaseLayer.GetDatabaseLayer().UpdateRecipeProcedure(this);
            }
        }

        public void Delete()
        {
            clsDatabaseLayer.GetDatabaseLayer().DeleteRecipeProcedureByID(recipeProcedureID.Value);
        }

        public static void DeleteAllByRecipeID(Guid recipeID)
        {
            clsDatabaseLayer.GetDatabaseLayer().DeleteRecipeProceduresByRecipeID(recipeID);
        }

        public static RecipeProcedure GetRecipeProcedureByID(Guid recipeProcedureID)
        {
            return new RecipeProcedure(recipeProcedureID);
        }

        public static RecipeProcedure GetRecipeProcedureByDataRow(DataRow row)
        {
            var newProcedure = new RecipeProcedure();
            newProcedure.PopulateFromDataRow(row);
            return newProcedure;
        }

        private void PopulateByID(Guid recipeProcedureID)
        {
            DataSet recordSet;

            recordSet = clsDatabaseLayer.GetDatabaseLayer().GetRecipeProcedureByID(recipeProcedureID);

            if (recordSet.Tables[0].Rows.Count > 0)
            {
                DataRow ldbrwRow;
                ldbrwRow = recordSet.Tables[0].Rows[0];

                PopulateFromDataRow(ldbrwRow);
            }

        }

        private void PopulateFromDataRow(DataRow dataRow)
        {
            InitializeAllFields();

            if (dataRow.IsNull("recipeProcedureID"))
                recipeProcedureID = null;
            else
                recipeProcedureID = (Guid)dataRow["recipeProcedureID"];

            if (dataRow.IsNull("recipeID"))
                recipeID = null;
            else
                recipeID = (Guid)dataRow["recipeID"];

            if (dataRow.IsNull("procedureText"))
                procedureText = String.Empty;
            else
                procedureText = (String)dataRow["procedureText"];

            if (dataRow.IsNull("procedureIndex"))
                procedureIndex = 0;
            else
                procedureIndex = (Int32)dataRow["procedureIndex"];

            if (dataRow.IsNull("Heading"))
                isHeading = false;
            else
                isHeading = (((String)dataRow["Heading"]).ToUpper() == "Y");
        }

        private void InitializeAllFields()
        {
            recipeProcedureID = null;
            recipeID = null;
            procedureText = String.Empty;
            procedureIndex = 0;
            isHeading = false;
        }

        public object Clone()
        {
            return this.MemberwiseClone();
        }

    }
}