import { ZodNumberDef } from 'zod';
import { addErrorMessage, ErrorMessages, setResponseValueAndErrors } from '../errorMessages';
import { Refs } from '../Refs';

export type JsonSchema7NumberType = {
  type: 'number' | 'integer';
  minimum?: number;
  exclusiveMinimum?: number;
  maximum?: number;
  exclusiveMaximum?: number;
  multipleOf?: number;
  errorMessage?: ErrorMessages<JsonSchema7NumberType>;
};

export function parseNumberDef(def: ZodNumberDef, refs: Refs): JsonSchema7NumberType {
  const res: JsonSchema7NumberType = {
    type: 'number',
  };

  if (!def.checks) return res;

  for (const check of def.checks) {
    switch (check.kind) {
      case 'int':
        res.type = 'integer';
        addErrorMessage(res, 'type', check.message, refs);
        break;
      case 'min':
        if (refs.target === 'jsonSchema7') {
          if (check.inclusive) {
            setResponseValueAndErrors(res, 'minimum', check.value, check.message, refs);
          } else {
            setResponseValueAndErrors(res, 'exclusiveMinimum', check.value, check.message, refs);
          }
        } else {
          if (!check.inclusive) {
            res.exclusiveMinimum = true as any;
          }
          setResponseValueAndErrors(res, 'minimum', check.value, check.message, refs);
        }
        break;
      case 'max':
        if (refs.target === 'jsonSchema7') {
          if (check.inclusive) {
            setResponseValueAndErrors(res, 'maximum', check.value, check.message, refs);
          } else {
            setResponseValueAndErrors(res, 'exclusiveMaximum', check.value, check.message, refs);
          }
        } else {
          if (!check.inclusive) {
            res.exclusiveMaximum = true as any;
          }
          setResponseValueAndErrors(res, 'maximum', check.value, check.message, refs);
        }
        break;
      case 'multipleOf':
        setResponseValueAndErrors(res, 'multipleOf', check.value, check.message, refs);
        break;
    }
  }
  return res;
}