import { getFilterKeyTypeByKey, setQueryParamKeyFromFilterkey } from 'Types/filter/filterType';
import Period, { LAST_24_HOURS, LAST_7_DAYS, LAST_30_DAYS, CUSTOM_RANGE } from 'Types/app/period';
import Filter from 'Types/filter/filter';
import { filtersMap } from 'App/types/filter/newFilter';

export const createUrlQuery = (filter: any) => {
  const query = [];

  for (const f of filter.filters) {
    if (!f.value.length) {
      continue;
    }

    let str = `${f.operator}|${f.value.join('|')}`;
    if (f.hasSource) {
      str = `${str}^${f.sourceOperator ? f.sourceOperator : ''}|${f.source ? f.source.join('|') : ''}`;
    }

    let key: any = setQueryParamKeyFromFilterkey(f.key);
    if (!key) {
      key = [f.key];
    }

    query.push({ key: key + '[]', value: str });
  }

  if (query.length > 0) {
    query.push({ key: 'range[]', value: filter.rangeValue });
    if (filter.rangeValue === CUSTOM_RANGE) {
      query.push({ key: 'rStart[]', value: filter.startDate });
      query.push({ key: 'rEnd[]', value: filter.endDate });
    }
  }

  return query.map(({ key, value }) => `${key}=${value}`).join('&');
};

export const getFiltersFromQuery = (search: string, filter: any) => {
  if (!search || filter.filters.size > 0) {
    return;
  }

  const entires = getQueryObject(search);
  const period: any = getPeriodFromEntries(entires);
  const filters = getFiltersFromEntries(entires);

  return Filter({ filters, rangeValue: period.rangeName });
};

const getFiltersFromEntries = (entires: any) => {
  const _filters: any = { ...filtersMap };
  const filters: any = [];
  if (entires.length > 0) {
    entires.forEach((item: any) => {
      if (!item.key || !item.value) {
        return;
      }

      let filter: any = {};
      const filterKey = getFilterKeyTypeByKey(item.key);
      const tmp = item.value.split('^');
      const valueArr = tmp[0].split('|');
      const operator = valueArr.shift();
      const sourceArr = tmp[1] ? tmp[1].split('|') : [];
      const sourceOperator = sourceArr.shift();

      if (filterKey) {
        filter.type = filterKey;
        filter.key = filterKey;
      } else {
        filter = _filters[item.key];
        if (!!filter) {
          filter.type = filter.key;
          filter.key = filter.key;
        }
      }

      if (!filter) {
        return
      }

      filter.value = valueArr;
      filter.operator = operator;
      if (filter.icon === "filters/metadata") {
        filter.source = filter.type;
        filter.type = 'METADATA';
      } else {
        filter.source = sourceArr && sourceArr.length > 0 ? sourceArr : null;
        filter.sourceOperator = !!sourceOperator ? decodeURI(sourceOperator) : null;
      }
      
      if (!filter.filters || filter.filters.size === 0) {
        filters.push(filter);
      }
    });
  }
  return filters;
};

const getPeriodFromEntries = (entires: any) => {
  const rangeFilter = entires.find(({ key }: any) => key === 'range');
  if (!rangeFilter) {
    return Period();
  }

  if (rangeFilter.value === CUSTOM_RANGE) {
    const start = entires.find(({ key }: any) => key === 'rStart').value;
    const end = entires.find(({ key }: any) => key === 'rEnd').value;
    return Period({ rangeName: rangeFilter.value, start, end });
  }

  return Period({ rangeName: rangeFilter.value });
};

function getQueryObject(search: any) {
  let jsonArray = search
    .slice(1)
    .split('&')
    .map((item: any) => {
      let [key, value] = item.split('=');
      return { key: key.slice(0, -2), value: decodeURI(value) };
    });
  return jsonArray;
}