import { buildMatchFn } from "../../_lib/buildMatchFn.mjs";
import { buildMatchPatternFn } from "../../_lib/buildMatchPatternFn.mjs";

const matchOrdinalNumberPattern = /^(\d+)(th|st|nd|rd)?/i;
const parseOrdinalNumberPattern = /\d+/i;

const matchEraPatterns = {
  narrow: /^(b|a)/i,
  abbreviated: /^(b\.?\s?c\.?|b\.?\s?c\.?\s?e\.?|a\.?\s?d\.?|c\.?\s?e\.?)/i,
  wide: /^(before christ|before common era|anno domini|common era)/i,
};
const parseEraPatterns = {
  any: [/^b/i, /^(a|c)/i],
};

const matchQuarterPatterns = {
  narrow: /^[1234]/i,
  abbreviated: /^q[1234]/i,
  wide: /^[1234](th|st|nd|rd)? quarter/i,
};
const parseQuarterPatterns = {
  any: [/1/i, /2/i, /3/i, /4/i],
};

const matchMonthPatterns = {
  narrow: /^[jfmasond]/i,
  abbreviated: /^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)/i,
  wide: /^(january|february|march|april|may|june|july|august|september|october|november|december)/i,
};
const parseMonthPatterns = {
  narrow: [
    /^j/i,
    /^f/i,
    /^m/i,
    /^a/i,
    /^m/i,
    /^j/i,
    /^j/i,
    /^a/i,
    /^s/i,
    /^o/i,
    /^n/i,
    /^d/i,
  ],

  any: [
    /^ja/i,
    /^f/i,
    /^mar/i,
    /^ap/i,
    /^may/i,
    /^jun/i,
    /^jul/i,
    /^au/i,
    /^s/i,
    /^o/i,
    /^n/i,
    /^d/i,
  ],
};

const matchDayPatterns = {
  narrow: /^[smtwf]/i,
  short: /^(su|mo|tu|we|th|fr|sa)/i,
  abbreviated: /^(sun|mon|tue|wed|thu|fri|sat)/i,
  wide: /^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i,
};
const parseDayPatterns = {
  narrow: [/^s/i, /^m/i, /^t/i, /^w/i, /^t/i, /^f/i, /^s/i],
  any: [/^su/i, /^m/i, /^tu/i, /^w/i, /^th/i, /^f/i, /^sa/i],
};

const matchDayPeriodPatterns = {
  narrow: /^(a|p|mi|n|(in the|at) (morning|afternoon|evening|night))/i,
  any: /^([ap]\.?\s?m\.?|midnight|noon|(in the|at) (morning|afternoon|evening|night))/i,
};
const parseDayPeriodPatterns = {
  any: {
    am: /^a/i,
    pm: /^p/i,
    midnight: /^mi/i,
    noon: /^no/i,
    morning: /morning/i,
    afternoon: /afternoon/i,
    evening: /evening/i,
    night: /night/i,
  },
};

export const match = {
  ordinalNumber: buildMatchPatternFn({
    matchPattern: matchOrdinalNumberPattern,
    parsePattern: parseOrdinalNumberPattern,
    valueCallback: (value) => parseInt(value, 10),
  }),

  era: buildMatchFn({
    matchPatterns: matchEraPatterns,
    defaultMatchWidth: "wide",
    parsePatterns: parseEraPatterns,
    defaultParseWidth: "any",
  }),

  quarter: buildMatchFn({
    matchPatterns: matchQuarterPatterns,
    defaultMatchWidth: "wide",
    parsePatterns: parseQuarterPatterns,
    defaultParseWidth: "any",
    valueCallback: (index) => index + 1,
  }),

  month: buildMatchFn({
    matchPatterns: matchMonthPatterns,
    defaultMatchWidth: "wide",
    parsePatterns: parseMonthPatterns,
    defaultParseWidth: "any",
  }),

  day: buildMatchFn({
    matchPatterns: matchDayPatterns,
    defaultMatchWidth: "wide",
    parsePatterns: parseDayPatterns,
    defaultParseWidth: "any",
  }),

  dayPeriod: buildMatchFn({
    matchPatterns: matchDayPeriodPatterns,
    defaultMatchWidth: "any",
    parsePatterns: parseDayPeriodPatterns,
    defaultParseWidth: "any",
  }),
};