import { OpenApi } from "../OpenApi";

export namespace OpenApiExclusiveEmender {
  export const emend = <
    Schema extends Pick<
      OpenApi.IJsonSchema.INumber,
      "exclusiveMinimum" | "exclusiveMaximum" | "minimum" | "maximum"
    >,
  >(
    schema: Schema,
  ): Schema => {
    const minimum =
      typeof schema.minimum === "number" &&
      typeof schema.exclusiveMinimum === "number"
        ? {
            minimum:
              schema.minimum > schema.exclusiveMinimum
                ? schema.minimum
                : undefined,
            exclusiveMinimum:
              schema.minimum > schema.exclusiveMinimum
                ? undefined
                : schema.exclusiveMinimum,
          }
        : {};
    const maximum =
      typeof schema.maximum === "number" &&
      typeof schema.exclusiveMaximum === "number"
        ? {
            maximum:
              schema.maximum < schema.exclusiveMaximum
                ? schema.maximum
                : undefined,
            exclusiveMaximum:
              schema.maximum < schema.exclusiveMaximum
                ? undefined
                : schema.exclusiveMaximum,
          }
        : {};
    return {
      ...schema,
      ...minimum,
      ...maximum,
    };
  };
}