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

const matchOrdinalNumberPattern = /^(第\s*)?\d+(日|時|分|秒)?/i;
const parseOrdinalNumberPattern = /\d+/i;

const matchEraPatterns = {
  narrow: /^(前)/i,
  abbreviated: /^(前)/i,
  wide: /^(公元前|公元)/i,
};
const parseEraPatterns = {
  any: [/^(前)/i, /^(公元)/i],
};

const matchQuarterPatterns = {
  narrow: /^[1234]/i,
  abbreviated: /^第[一二三四]季/i,
  wide: /^第[一二三四]季度/i,
};
const parseQuarterPatterns = {
  any: [/(1|一)/i, /(2|二)/i, /(3|三)/i, /(4|四)/i],
};

const matchMonthPatterns = {
  narrow: /^(一|二|三|四|五|六|七|八|九|十[二一]?)/i,
  abbreviated: /^(一|二|三|四|五|六|七|八|九|十[二一]?|\d|1[0-2])月/i,
  wide: /^(一|二|三|四|五|六|七|八|九|十[二一]?)月/i,
};
const parseMonthPatterns = {
  narrow: [
    /^一/i,
    /^二/i,
    /^三/i,
    /^四/i,
    /^五/i,
    /^六/i,
    /^七/i,
    /^八/i,
    /^九/i,
    /^十(?!(一|二))/i,
    /^十一/i,
    /^十二/i,
  ],

  any: [
    /^(一|1(?!\d))/i,
    /^(二|2)/i,
    /^(三|3)/i,
    /^(四|4)/i,
    /^(五|5)/i,
    /^(六|6)/i,
    /^(七|7)/i,
    /^(八|8)/i,
    /^(九|9)/i,
    /^(十(?!(一|二))|10)/i,
    /^(十一|11)/i,
    /^(十二|12)/i,
  ],
};

const matchDayPatterns = {
  narrow: /^[一二三四五六日]/i,
  short: /^[一二三四五六日]/i,
  abbreviated: /^週[一二三四五六日]/i,
  wide: /^星期[一二三四五六日]/i,
};
const parseDayPatterns = {
  any: [/日/i, /一/i, /二/i, /三/i, /四/i, /五/i, /六/i],
};

const matchDayPeriodPatterns = {
  any: /^(上午?|下午?|午夜|[中正]午|早上?|下午|晚上?|凌晨)/i,
};
const parseDayPeriodPatterns = {
  any: {
    am: /^上午?/i,
    pm: /^下午?/i,
    midnight: /^午夜/i,
    noon: /^[中正]午/i,
    morning: /^早上/i,
    afternoon: /^下午/i,
    evening: /^晚上?/i,
    night: /^凌晨/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",
  }),
};