import { getPrefilledInputValue } from "../../../getPrefilledValue";
import { DateInputBlock, SessionState, Variable } from "indite-js/schemas";
import { deepParseVariables } from "indite-js/variables/deepParseVariables";
import { parseVariables } from "indite-js/variables/parseVariables";

export const parseDateInput =
  (state: SessionState) => (block: DateInputBlock) => {
    const variables = state.botsQueue[0].bot.variables;
    if (!block.options) return deepParseVariables(variables)(block);
    return {
      ...block,
      options: {
        ...deepParseVariables(variables)(block.options),
        min: parseDateLimit(
          block.options.min,
          block.options.hasTime,
          variables
        ),
        max: parseDateLimit(
          block.options.max,
          block.options.hasTime,
          variables
        ),
      },
      prefilledValue: getPrefilledInputValue(variables)(block),
    };
  };

const parseDateLimit = (
  limit:
    | NonNullable<DateInputBlock["options"]>["min"]
    | NonNullable<DateInputBlock["options"]>["max"],
  hasTime: NonNullable<DateInputBlock["options"]>["hasTime"],
  variables: Variable[]
) => {
  if (!limit) return;
  const parsedLimit = parseVariables(variables)(limit);
  const dateIsoNoSecondsRegex = /\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d/;
  const matchDateTime = parsedLimit.match(dateIsoNoSecondsRegex);
  if (matchDateTime)
    return hasTime ? matchDateTime[0] : matchDateTime[0].slice(0, 10);
  return parsedLimit;
};