import { JsonPathExpression } from '../../models/jsonpath-expression-type.model';

export type RulesEvaluatorConditions = ConditionAdvanced | ExpressionCondition[];

/**
 * @deprecated
 * @deprecationMessage Please, use the "PfeAndCondition" or the "PfeOrCondition"
 */
export enum OPERATORS {
  AND = 'AND',
  OR = 'OR',
}

/**
 * A questionAdvanced config allows it to choose the operator for the list of conditions.
 *
 * Do not use this type directly. Use the {@link Conditions} instead.
 *
 * @deprecated
 * @deprecationMessage Please, use the "PfeAndCondition" or the "PfeOrCondition"
 */
export interface ConditionAdvanced {
  operator: OPERATORS;
  conditions: ExpressionCondition[];
}

/**
 * A condition to be evaluated by the {@link PfeRulesEvaluator}
 *
 * Do not use this type directly. Use the {@link Conditions} instead.
 */
export interface ExpressionCondition {
  /**
   * Used to handle complex conditions instead of the value?Expression.
   *
   * To evaluate a JsonPath expression, put curly braces {} around the expression, like {$.bffCreateClaim.claimNumber}.
   * After the JsonPath evaluation the complete expressions is evaluated. Examples:
   *
   * !{$.undefinedKey}
   * {$.nine} > {$.negativeValue} || {$.KeyWest} == 99999
   * {$.questionContainerTest..[?(@.value == "LEFT_Q1")].value} == "LEFT_Q1"
   *
   * If the expression evaluates to an object, a random number is generated instead which then evaluates to true.
   */
  expression?: JsonPathExpression | boolean | number;

  /**
   * The first jsonPath expression.
   *
   * If the expression doesn't start with a $ it is handled as a literal.
   *
   * The operator and value2Expression are optional. If they are not
   * configured, the condition will evaluate to true, if the value1Expression expression
   * returns a defined value.
   *
   * @deprecated
   * @deprecationMessage The value*Expression conditions are deprecated. Please use the `expression` option as an alternative.
   */
  value1Expression?: JsonPathExpression | boolean | number;

  /**
   * The operator that is used for the comparison between the value1Expression and
   * value2Expression.
   *
   * @deprecated
   * @deprecationMessage The value*Expression conditions are deprecated. Please use the `expression` option as an alternative.
   */
  operator?: string;

  /**
   * The second expression.
   *
   * @deprecated
   * @deprecationMessage The value*Expression conditions are deprecated. Please use the `expression` option as an alternative.
   */
  value2Expression?: JsonPathExpression | boolean | number;
}