import { defineComponent } from "vue";
import formatter from "./formatter";

const ZONE_MONTH_CODES = [
  "jan",
  "feb",
  "mar",
  "apr",
  "may",
  "jun",
  "jul",
  "aug",
  "sep",
  "oct",
  "nov",
  "dec",
];
const ZONE_DAY_CODES = ["sun", "mon", "tue", "wed", "thu", "fri", "sat"];

export default defineComponent({
  mixins: [formatter],
  methods: {
    parseWeekdaysString(daysStr: string): number[] {
      const weekdays = [];
      for (const part of daysStr.split(",")) {
        const index = ZONE_DAY_CODES.indexOf(part);
        if (index !== -1) {
          weekdays.push(index);
        }
      }
      return weekdays;
    },
    parseMonthsString(monthsStr: string): number[] {
      const months = [];
      for (const part of monthsStr.split(",")) {
        const index = ZONE_MONTH_CODES.indexOf(part);
        if (index !== -1) {
          months.push(index);
        }
      }
      return months;
    },
    formatWeekdaysToString(weekdays: number[]): string {
      if (!weekdays || weekdays.length === 0) return "";
      return weekdays.map((d) => ZONE_DAY_CODES[d]).join(",");
    },
    formatMonthsToString(months: number[]): string {
      if (!months || months.length === 0) return "";
      return months.map((m) => ZONE_MONTH_CODES[m]).join(",");
    },
    weekdaysLabel(weekdays: number[]): string {
      if (!weekdays || weekdays.length === 0 || weekdays.length === 7) {
        return this.$t("config.tariff.zones.allDays");
      }
      return this.fmtWeekdaysRange(weekdays);
    },
    monthsLabel(months: number[]): string {
      if (!months || months.length === 0 || months.length === 12) {
        return this.$t("config.tariff.zones.allMonths");
      }
      return this.fmtMonthsRange(months);
    },
  },
});