package hsb

import (
	"math"
	"strconv"
	"time"

	"github.com/go-playground/locales"
	"github.com/go-playground/locales/currency"
)

type hsb struct {
	locale                 string
	pluralsCardinal        []locales.PluralRule
	pluralsOrdinal         []locales.PluralRule
	pluralsRange           []locales.PluralRule
	decimal                string
	group                  string
	minus                  string
	percent                string
	percentSuffix          string
	perMille               string
	timeSeparator          string
	inifinity              string
	currencies             []string // idx = enum of currency code
	currencyPositiveSuffix string
	currencyNegativeSuffix string
	monthsAbbreviated      []string
	monthsNarrow           []string
	monthsWide             []string
	daysAbbreviated        []string
	daysNarrow             []string
	daysShort              []string
	daysWide               []string
	periodsAbbreviated     []string
	periodsNarrow          []string
	periodsShort           []string
	periodsWide            []string
	erasAbbreviated        []string
	erasNarrow             []string
	erasWide               []string
	timezones              map[string]string
}

// New returns a new instance of translator for the 'hsb' locale
func New() locales.Translator {
	return &hsb{
		locale:                 "hsb",
		pluralsCardinal:        []locales.PluralRule{2, 3, 4, 6},
		pluralsOrdinal:         []locales.PluralRule{6},
		pluralsRange:           nil,
		decimal:                ",",
		group:                  ".",
		minus:                  "-",
		percent:                "%",
		perMille:               "‰",
		timeSeparator:          ":",
		inifinity:              "∞",
		currencies:             []string{"ADP ", "AED ", "AFA ", "AFN ", "ALK ", "ALL", "AMD ", "ANG ", "AOA ", "AOK ", "AON ", "AOR ", "ARA ", "ARL ", "ARM ", "ARP ", "ARS ", "ATS ", "AUD", "AWG ", "AZM ", "AZN ", "BAD ", "BAM ", "BAN ", "BBD ", "BDT ", "BEC ", "BEF ", "BEL ", "BGL ", "BGM ", "BGN", "BGO ", "BHD ", "BIF ", "BMD ", "BND ", "BOB ", "BOL ", "BOP ", "BOV ", "BRB ", "BRC ", "BRE ", "BRL ", "BRN ", "BRR ", "BRZ ", "BSD ", "BTN ", "BUK ", "BWP ", "BYB ", "BYR ", "BZD ", "CA$", "CDF ", "CHE ", "CHF ", "CHW ", "CLE ", "CLF ", "CLP ", "CNX ", "CN¥", "COP ", "COU ", "CRC ", "CSD ", "CSK ", "CUC ", "CUP ", "CVE ", "CYP ", "CZK ", "DDM ", "DEM ", "DJF ", "DKK ", "DOP ", "DZD ", "ECS ", "ECV ", "EEK ", "EGP ", "ERN ", "ESA ", "ESB ", "ESP ", "ETB ", "€", "FIM ", "FJD ", "FKP ", "FRF ", "£", "GEK ", "GEL ", "GHC ", "GHS ", "GIP ", "GMD ", "GNF ", "GNS ", "GQE ", "GRD ", "GTQ ", "GWE ", "GWP ", "GYD ", "HK$", "HNL ", "HRD ", "HRK ", "HTG ", "HUF ", "IDR ", "IEP ", "ILP ", "ILR ", "₪", "INR ", "IQD ", "IRR ", "ISJ ", "ISK ", "ITL ", "JMD ", "JOD ", "¥", "KES ", "KGS ", "KHR ", "KMF ", "KPW", "KRH ", "KRO ", "₩", "KWD ", "KYD ", "KZT ", "LAK ", "LBP ", "LKR ", "LRD ", "LSL ", "LTL ", "LTT ", "LUC ", "LUF ", "LUL ", "LVL ", "LVR ", "LYD ", "MAD ", "MAF ", "MCF ", "MDC ", "MDL ", "MGA ", "MGF ", "MKD ", "MKN ", "MLF ", "MMK ", "MNT ", "MOP ", "MRO ", "MTL ", "MTP ", "MUR ", "MVP ", "MVR ", "MWK ", "MX$", "MXP ", "MXV ", "MYR ", "MZE ", "MZM ", "MZN ", "NAD ", "NGN ", "NIC ", "NIO ", "NLG ", "NOK ", "NPR ", "NZ$", "OMR ", "PAB ", "PEI ", "PEN ", "PES ", "PGK ", "PHP ", "PKR ", "zł", "PLZ ", "PTE ", "PYG ", "QAR ", "RHD ", "ROL ", "RON ", "RSD ", "RUB ", "RUR ", "RWF ", "SAR ", "SBD ", "SCR ", "SDD ", "SDG ", "SDP ", "SEK ", "SGD ", "SHP ", "SIT ", "SKK ", "SLL ", "SOS ", "SRD ", "SRG ", "SSP ", "STD ", "SUR ", "SVC ", "SYP ", "SZL ", "฿", "TJR ", "TJS ", "TMM ", "TMT ", "TND ", "TOP ", "TPE ", "TRL ", "TRY ", "TTD ", "NT$", "TZS ", "UAH ", "UAK ", "UGS ", "UGX ", "$", "USN ", "USS ", "UYI ", "UYP ", "UYU ", "UZS ", "VEB ", "VEF ", "₫", "VNN ", "VUV ", "WST ", "FCFA", "XAG ", "XAU ", "XBA ", "XBB ", "XBC ", "XBD ", "EC$", "XDR ", "XEU ", "XFO ", "XFU ", "CFA", "XPD ", "CFPF", "XPT ", "XRE ", "XSU ", "XTS ", "XUA ", "XXX ", "YDD ", "YER ", "YUD ", "YUM ", "YUN ", "YUR ", "ZAL ", "ZAR ", "ZMK ", "ZMW ", "ZRN ", "ZRZ ", "ZWD ", "ZWL ", "ZWR "},
		percentSuffix:          " ",
		currencyPositiveSuffix: " ",
		currencyNegativeSuffix: " ",
		monthsAbbreviated:      []string{"", "jan.", "feb.", "měr.", "apr.", "mej.", "jun.", "jul.", "awg.", "sep.", "okt.", "now.", "dec."},
		monthsNarrow:           []string{"", "j", "f", "m", "a", "m", "j", "j", "a", "s", "o", "n", "d"},
		monthsWide:             []string{"", "januara", "februara", "měrca", "apryla", "meje", "junija", "julija", "awgusta", "septembra", "oktobra", "nowembra", "decembra"},
		daysAbbreviated:        []string{"nje", "pón", "wut", "srj", "štw", "pja", "sob"},
		daysNarrow:             []string{"n", "p", "w", "s", "š", "p", "s"},
		daysShort:              []string{"nj", "pó", "wu", "sr", "št", "pj", "so"},
		daysWide:               []string{"njedźela", "póndźela", "wutora", "srjeda", "štwórtk", "pjatk", "sobota"},
		periodsAbbreviated:     []string{"dopołdnja", "popołdnju"},
		periodsNarrow:          []string{"dop.", "pop."},
		periodsWide:            []string{"dopołdnja", "popołdnju"},
		erasAbbreviated:        []string{"př.Chr.n.", "po Chr.n."},
		erasNarrow:             []string{"", ""},
		erasWide:               []string{"před Chrystowym narodźenjom", "po Chrystowym narodźenju"},
		timezones:              map[string]string{"ACWST": "srjedźozapadny awstralski standardny čas", "HAST": "hawaiisko-aleutski standardny čas", "WITA": "srjedźoindoneski čas", "∅∅∅": "Amaconaski lětni čas", "AKST": "alaskaski standardny čas", "CLT": "chilski standardny čas", "NZST": "nowoseelandski standardny čas", "WESZ": "zapadoeuropski lětni čas", "SGT": "Singapurski čas", "HNT": "nowofundlandski standardny čas", "GFT": "francoskoguyanski čas", "ART": "argentinski standardny čas", "MYT": "malajziski čas", "OEZ": "wuchodoeuropski standardny čas", "MESZ": "srjedźoeuropski lětni čas", "PST": "sewjeroameriski pacifiski standardny čas", "AST": "atlantiski standardny čas", "ACST": "srjedźoawstralski standardny čas", "LHST": "standardny čas kupy Lord-Howe", "JDT": "japanski lětni čas", "SRT": "surinamski čas", "OESZ": "wuchodoeuropski lětni čas", "PDT": "sewjeroameriski pacifiski lětni čas", "ECT": "ekwadorski čas", "SAST": "južnoafriski čas", "WART": "zapadoargentinski standardny čas", "WARST": "zapadoargentinski lětni čas", "WIB": "zapadoindoneski čas", "GYT": "guyanski čas", "VET": "venezuelski čas", "BT": "bhutanski čas", "TMT": "turkmenski standardny čas", "ADT": "atlantiski lětni čas", "AKDT": "alaskaski lětni čas", "CDT": "sewjeroameriski centralny lětni čas", "AEST": "wuchodoawstralski standardny čas", "HKST": "Hongkongski lětni čas", "GMT": "Greenwichski čas", "HAT": "nowofundlandski lětni čas", "EAT": "wuchodoafriski čas", "AWDT": "zapadoawstralski lětni čas", "MST": "MST", "COST": "kolumbiski lětni čas", "HADT": "hawaiisko-aleutski lětni čas", "AEDT": "wuchodoawstralski lětni čas", "CAT": "centralnoafriski čas", "IST": "indiski čas", "AWST": "zapadoawstralski standardny čas", "LHDT": "lětni čas kupy Lord-Howe", "MEZ": "srjedźoeuropski standardny čas", "UYT": "uruguayski standardny čas", "UYST": "uruguayski lětni čas", "CHAST": "chathamski standardny čas", "WIT": "wuchodoindoneski", "ACDT": "srjedźoawstralski lětni čas", "MDT": "MDT", "JST": "japanski standardny čas", "ARST": "argentinski lětni čas", "WEZ": "zapadoeuropski standardny čas", "NZDT": "nowoseelandski lětni čas", "ChST": "chamorroski čas", "COT": "kolumbiski standardny čas", "WAST": "zapadoafriski lětni čas", "BOT": "boliwiski čas", "CLST": "chilski lětni čas", "EDT": "sewjeroameriski wuchodny lětni čas", "WAT": "zapadoafriski standardny čas", "CST": "sewjeroameriski centralny standardny čas", "CHADT": "chathamski lětni čas", "TMST": "turkmenski lětni čas", "ACWDT": "sjedźozapadny awstralski lětni čas", "EST": "sewjeroameriski wuchodny standardny čas", "HKT": "Hongkongski standardny čas"},
	}
}

// Locale returns the current translators string locale
func (hsb *hsb) Locale() string {
	return hsb.locale
}

// PluralsCardinal returns the list of cardinal plural rules associated with 'hsb'
func (hsb *hsb) PluralsCardinal() []locales.PluralRule {
	return hsb.pluralsCardinal
}

// PluralsOrdinal returns the list of ordinal plural rules associated with 'hsb'
func (hsb *hsb) PluralsOrdinal() []locales.PluralRule {
	return hsb.pluralsOrdinal
}

// PluralsRange returns the list of range plural rules associated with 'hsb'
func (hsb *hsb) PluralsRange() []locales.PluralRule {
	return hsb.pluralsRange
}

// CardinalPluralRule returns the cardinal PluralRule given 'num' and digits/precision of 'v' for 'hsb'
func (hsb *hsb) CardinalPluralRule(num float64, v uint64) locales.PluralRule {

	n := math.Abs(num)
	i := int64(n)
	f := locales.F(n, v)
	iMod100 := i % 100
	fMod100 := f % 100

	if (v == 0 && iMod100 == 1) || (fMod100 == 1) {
		return locales.PluralRuleOne
	} else if (v == 0 && iMod100 == 2) || (fMod100 == 2) {
		return locales.PluralRuleTwo
	} else if (v == 0 && iMod100 >= 3 && iMod100 <= 4) || (fMod100 >= 3 && fMod100 <= 4) {
		return locales.PluralRuleFew
	}

	return locales.PluralRuleOther
}

// OrdinalPluralRule returns the ordinal PluralRule given 'num' and digits/precision of 'v' for 'hsb'
func (hsb *hsb) OrdinalPluralRule(num float64, v uint64) locales.PluralRule {
	return locales.PluralRuleOther
}

// RangePluralRule returns the ordinal PluralRule given 'num1', 'num2' and digits/precision of 'v1' and 'v2' for 'hsb'
func (hsb *hsb) RangePluralRule(num1 float64, v1 uint64, num2 float64, v2 uint64) locales.PluralRule {
	return locales.PluralRuleUnknown
}

// MonthAbbreviated returns the locales abbreviated month given the 'month' provided
func (hsb *hsb) MonthAbbreviated(month time.Month) string {
	return hsb.monthsAbbreviated[month]
}

// MonthsAbbreviated returns the locales abbreviated months
func (hsb *hsb) MonthsAbbreviated() []string {
	return hsb.monthsAbbreviated[1:]
}

// MonthNarrow returns the locales narrow month given the 'month' provided
func (hsb *hsb) MonthNarrow(month time.Month) string {
	return hsb.monthsNarrow[month]
}

// MonthsNarrow returns the locales narrow months
func (hsb *hsb) MonthsNarrow() []string {
	return hsb.monthsNarrow[1:]
}

// MonthWide returns the locales wide month given the 'month' provided
func (hsb *hsb) MonthWide(month time.Month) string {
	return hsb.monthsWide[month]
}

// MonthsWide returns the locales wide months
func (hsb *hsb) MonthsWide() []string {
	return hsb.monthsWide[1:]
}

// WeekdayAbbreviated returns the locales abbreviated weekday given the 'weekday' provided
func (hsb *hsb) WeekdayAbbreviated(weekday time.Weekday) string {
	return hsb.daysAbbreviated[weekday]
}

// WeekdaysAbbreviated returns the locales abbreviated weekdays
func (hsb *hsb) WeekdaysAbbreviated() []string {
	return hsb.daysAbbreviated
}

// WeekdayNarrow returns the locales narrow weekday given the 'weekday' provided
func (hsb *hsb) WeekdayNarrow(weekday time.Weekday) string {
	return hsb.daysNarrow[weekday]
}

// WeekdaysNarrow returns the locales narrow weekdays
func (hsb *hsb) WeekdaysNarrow() []string {
	return hsb.daysNarrow
}

// WeekdayShort returns the locales short weekday given the 'weekday' provided
func (hsb *hsb) WeekdayShort(weekday time.Weekday) string {
	return hsb.daysShort[weekday]
}

// WeekdaysShort returns the locales short weekdays
func (hsb *hsb) WeekdaysShort() []string {
	return hsb.daysShort
}

// WeekdayWide returns the locales wide weekday given the 'weekday' provided
func (hsb *hsb) WeekdayWide(weekday time.Weekday) string {
	return hsb.daysWide[weekday]
}

// WeekdaysWide returns the locales wide weekdays
func (hsb *hsb) WeekdaysWide() []string {
	return hsb.daysWide
}

// FmtNumber returns 'num' with digits/precision of 'v' for 'hsb' and handles both Whole and Real numbers based on 'v'
func (hsb *hsb) FmtNumber(num float64, v uint64) string {

	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	l := len(s) + 2 + 1*len(s[:len(s)-int(v)-1])/3
	count := 0
	inWhole := v == 0
	b := make([]byte, 0, l)

	for i := len(s) - 1; i >= 0; i-- {

		if s[i] == '.' {
			b = append(b, hsb.decimal[0])
			inWhole = true
			continue
		}

		if inWhole {
			if count == 3 {
				b = append(b, hsb.group[0])
				count = 1
			} else {
				count++
			}
		}

		b = append(b, s[i])
	}

	if num < 0 {
		b = append(b, hsb.minus[0])
	}

	// reverse
	for i, j := 0, len(b)-1; i < j; i, j = i+1, j-1 {
		b[i], b[j] = b[j], b[i]
	}

	return string(b)
}

// FmtPercent returns 'num' with digits/precision of 'v' for 'hsb' and handles both Whole and Real numbers based on 'v'
// NOTE: 'num' passed into FmtPercent is assumed to be in percent already
func (hsb *hsb) FmtPercent(num float64, v uint64) string {
	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	l := len(s) + 5
	b := make([]byte, 0, l)

	for i := len(s) - 1; i >= 0; i-- {

		if s[i] == '.' {
			b = append(b, hsb.decimal[0])
			continue
		}

		b = append(b, s[i])
	}

	if num < 0 {
		b = append(b, hsb.minus[0])
	}

	// reverse
	for i, j := 0, len(b)-1; i < j; i, j = i+1, j-1 {
		b[i], b[j] = b[j], b[i]
	}

	b = append(b, hsb.percentSuffix...)

	b = append(b, hsb.percent...)

	return string(b)
}

// FmtCurrency returns the currency representation of 'num' with digits/precision of 'v' for 'hsb'
func (hsb *hsb) FmtCurrency(num float64, v uint64, currency currency.Type) string {

	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	symbol := hsb.currencies[currency]
	l := len(s) + len(symbol) + 4 + 1*len(s[:len(s)-int(v)-1])/3
	count := 0
	inWhole := v == 0
	b := make([]byte, 0, l)

	for i := len(s) - 1; i >= 0; i-- {

		if s[i] == '.' {
			b = append(b, hsb.decimal[0])
			inWhole = true
			continue
		}

		if inWhole {
			if count == 3 {
				b = append(b, hsb.group[0])
				count = 1
			} else {
				count++
			}
		}

		b = append(b, s[i])
	}

	if num < 0 {
		b = append(b, hsb.minus[0])
	}

	// reverse
	for i, j := 0, len(b)-1; i < j; i, j = i+1, j-1 {
		b[i], b[j] = b[j], b[i]
	}

	if int(v) < 2 {

		if v == 0 {
			b = append(b, hsb.decimal...)
		}

		for i := 0; i < 2-int(v); i++ {
			b = append(b, '0')
		}
	}

	b = append(b, hsb.currencyPositiveSuffix...)

	b = append(b, symbol...)

	return string(b)
}

// FmtAccounting returns the currency representation of 'num' with digits/precision of 'v' for 'hsb'
// in accounting notation.
func (hsb *hsb) FmtAccounting(num float64, v uint64, currency currency.Type) string {

	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	symbol := hsb.currencies[currency]
	l := len(s) + len(symbol) + 4 + 1*len(s[:len(s)-int(v)-1])/3
	count := 0
	inWhole := v == 0
	b := make([]byte, 0, l)

	for i := len(s) - 1; i >= 0; i-- {

		if s[i] == '.' {
			b = append(b, hsb.decimal[0])
			inWhole = true
			continue
		}

		if inWhole {
			if count == 3 {
				b = append(b, hsb.group[0])
				count = 1
			} else {
				count++
			}
		}

		b = append(b, s[i])
	}

	if num < 0 {

		b = append(b, hsb.minus[0])

	}

	// reverse
	for i, j := 0, len(b)-1; i < j; i, j = i+1, j-1 {
		b[i], b[j] = b[j], b[i]
	}

	if int(v) < 2 {

		if v == 0 {
			b = append(b, hsb.decimal...)
		}

		for i := 0; i < 2-int(v); i++ {
			b = append(b, '0')
		}
	}

	if num < 0 {
		b = append(b, hsb.currencyNegativeSuffix...)
		b = append(b, symbol...)
	} else {

		b = append(b, hsb.currencyPositiveSuffix...)
		b = append(b, symbol...)
	}

	return string(b)
}

// FmtDateShort returns the short date representation of 't' for 'hsb'
func (hsb *hsb) FmtDateShort(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x2e}...)
	b = strconv.AppendInt(b, int64(t.Month()), 10)
	b = append(b, []byte{0x2e}...)

	if t.Year() > 9 {
		b = append(b, strconv.Itoa(t.Year())[2:]...)
	} else {
		b = append(b, strconv.Itoa(t.Year())[1:]...)
	}

	return string(b)
}

// FmtDateMedium returns the medium date representation of 't' for 'hsb'
func (hsb *hsb) FmtDateMedium(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x2e}...)
	b = strconv.AppendInt(b, int64(t.Month()), 10)
	b = append(b, []byte{0x2e}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)

	return string(b)
}

// FmtDateLong returns the long date representation of 't' for 'hsb'
func (hsb *hsb) FmtDateLong(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x2e, 0x20}...)
	b = append(b, hsb.monthsWide[t.Month()]...)
	b = append(b, []byte{0x20}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)

	return string(b)
}

// FmtDateFull returns the full date representation of 't' for 'hsb'
func (hsb *hsb) FmtDateFull(t time.Time) string {

	b := make([]byte, 0, 32)

	b = append(b, hsb.daysWide[t.Weekday()]...)
	b = append(b, []byte{0x2c, 0x20}...)
	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x2e, 0x20}...)
	b = append(b, hsb.monthsWide[t.Month()]...)
	b = append(b, []byte{0x20}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)

	return string(b)
}

// FmtTimeShort returns the short time representation of 't' for 'hsb'
func (hsb *hsb) FmtTimeShort(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Hour()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Minute() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, []byte{}...)
	b = append(b, []byte{0x27, 0x68, 0x6f, 0x64, 0xc5, 0xba, 0x27, 0x2e}...)

	return string(b)
}

// FmtTimeMedium returns the medium time representation of 't' for 'hsb'
func (hsb *hsb) FmtTimeMedium(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Hour()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Minute() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Second() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Second()), 10)

	return string(b)
}

// FmtTimeLong returns the long time representation of 't' for 'hsb'
func (hsb *hsb) FmtTimeLong(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Hour()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Minute() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Second() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Second()), 10)
	b = append(b, []byte{0x20}...)

	tz, _ := t.Zone()
	b = append(b, tz...)

	return string(b)
}

// FmtTimeFull returns the full time representation of 't' for 'hsb'
func (hsb *hsb) FmtTimeFull(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Hour()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Minute() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, hsb.timeSeparator...)

	if t.Second() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Second()), 10)
	b = append(b, []byte{0x20}...)

	tz, _ := t.Zone()

	if btz, ok := hsb.timezones[tz]; ok {
		b = append(b, btz...)
	} else {
		b = append(b, tz...)
	}

	return string(b)
}
