using System.Data;
using Umbraco.Core.Migrations.Expressions.Common;
using Umbraco.Core.Migrations.Expressions.Common.Expressions;

namespace Umbraco.Core.Migrations.Expressions.Create.ForeignKey
{
    public class CreateForeignKeyBuilder : ExpressionBuilderBase<CreateForeignKeyExpression>,
        ICreateForeignKeyFromTableBuilder,
        ICreateForeignKeyForeignColumnBuilder,
        ICreateForeignKeyToTableBuilder,
        ICreateForeignKeyPrimaryColumnBuilder,
        ICreateForeignKeyCascadeBuilder
    {
        public CreateForeignKeyBuilder(CreateForeignKeyExpression expression)
            : base(expression)
        { }

        /// <inheritdoc />
        public void Do() => Expression.Execute();

        /// <inheritdoc />
        public ICreateForeignKeyForeignColumnBuilder FromTable(string table)
        {
            Expression.ForeignKey.ForeignTable = table;
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyToTableBuilder ForeignColumn(string column)
        {
            Expression.ForeignKey.ForeignColumns.Add(column);
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyToTableBuilder ForeignColumns(params string[] columns)
        {
            foreach (var column in columns)
                Expression.ForeignKey.ForeignColumns.Add(column);
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyPrimaryColumnBuilder ToTable(string table)
        {
            Expression.ForeignKey.PrimaryTable = table;
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyCascadeBuilder PrimaryColumn(string column)
        {
            Expression.ForeignKey.PrimaryColumns.Add(column);
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyCascadeBuilder PrimaryColumns(params string[] columns)
        {
            foreach (var column in columns)
                Expression.ForeignKey.PrimaryColumns.Add(column);
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyCascadeBuilder OnDelete(Rule rule)
        {
            Expression.ForeignKey.OnDelete = rule;
            return this;
        }

        /// <inheritdoc />
        public ICreateForeignKeyCascadeBuilder OnUpdate(Rule rule)
        {
            Expression.ForeignKey.OnUpdate = rule;
            return this;
        }

        /// <inheritdoc />
        public IExecutableBuilder OnDeleteOrUpdate(Rule rule)
        {
            Expression.ForeignKey.OnDelete = rule;
            Expression.ForeignKey.OnUpdate = rule;
            return new ExecutableBuilder(Expression);
        }
    }
}