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package com.scalar.db.sql.statement;

import com.google.common.collect.ImmutableMap;
import java.util.Objects;
import javax.annotation.concurrent.Immutable;

@Immutable
public class CreateCoordinatorTablesStatement implements DdlStatement {

  public final boolean ifNotExist;
  public final ImmutableMap options;

  private CreateCoordinatorTablesStatement(
      boolean ifNotExist, ImmutableMap options) {
    this.ifNotExist = ifNotExist;
    this.options = Objects.requireNonNull(options);
  }

  @Override
  public String toSql() {
    StringBuilder builder = new StringBuilder("CREATE COORDINATOR TABLES");
    if (ifNotExist) {
      builder.append(" IF NOT EXIST");
    }
    if (!options.isEmpty()) {
      builder.append(" WITH ");
      StatementUtils.appendOptions(builder, options);
    }
    return builder.toString();
  }

  @Override
  public  R accept(StatementVisitor visitor, C context) {
    return visitor.visit(this, context);
  }

  @Override
  public  R accept(DdlStatementVisitor visitor, C context) {
    return visitor.visit(this, context);
  }

  @Override
  public String toString() {
    return toSql();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof CreateCoordinatorTablesStatement)) {
      return false;
    }
    CreateCoordinatorTablesStatement that = (CreateCoordinatorTablesStatement) o;
    return ifNotExist == that.ifNotExist && Objects.equals(options, that.options);
  }

  @Override
  public int hashCode() {
    return Objects.hash(ifNotExist, options);
  }

  public static CreateCoordinatorTablesStatement create(
      boolean ifNotExist, ImmutableMap options) {
    return new CreateCoordinatorTablesStatement(ifNotExist, options);
  }
}