package ru

import (
	"math"
	"strconv"
	"time"

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

type ru 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 'ru' locale
func New() locales.Translator {
	return &ru{
		locale:                 "ru",
		pluralsCardinal:        []locales.PluralRule{2, 4, 5, 6},
		pluralsOrdinal:         []locales.PluralRule{6},
		pluralsRange:           []locales.PluralRule{6, 2, 4, 5},
		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 ", "A$", "AWG", "AZM ", "AZN", "BAD ", "BAM", "BAN ", "BBD", "BDT", "BEC ", "BEF ", "BEL ", "BGL ", "BGM ", "BGN", "BGO ", "BHD", "BIF", "BMD", "BND", "BOB", "BOL ", "BOP ", "BOV ", "BRB ", "BRC ", "BRE ", "R$", "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 ", "₪", "₹", "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", "PLN", "PLZ ", "PTE ", "PYG", "QAR", "RHD ", "ROL ", "RON", "RSD", "₽", "р.", "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 ", "ТМТ", "TND", "TOP", "TPE ", "TRL ", "TRY", "TTD", "NT$", "TZS", "₴", "UAK ", "UGS ", "UGX", "$", "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 ", "XXXX", "YDD ", "YER", "YUD ", "YUM ", "YUN ", "YUR ", "ZAL ", "ZAR", "ZMK ", "ZMW", "ZRN ", "ZRZ ", "ZWD ", "ZWL ", "ZWR "},
		percentSuffix:          " ",
		currencyPositiveSuffix: " ",
		currencyNegativeSuffix: " ",
		monthsAbbreviated:      []string{"", "янв.", "февр.", "мар.", "апр.", "мая", "июн.", "июл.", "авг.", "сент.", "окт.", "нояб.", "дек."},
		monthsNarrow:           []string{"", "Я", "Ф", "М", "А", "М", "И", "И", "А", "С", "О", "Н", "Д"},
		monthsWide:             []string{"", "января", "февраля", "марта", "апреля", "мая", "июня", "июля", "августа", "сентября", "октября", "ноября", "декабря"},
		daysAbbreviated:        []string{"вс", "пн", "вт", "ср", "чт", "пт", "сб"},
		daysNarrow:             []string{"вс", "пн", "вт", "ср", "чт", "пт", "сб"},
		daysShort:              []string{"вс", "пн", "вт", "ср", "чт", "пт", "сб"},
		daysWide:               []string{"воскресенье", "понедельник", "вторник", "среда", "четверг", "пятница", "суббота"},
		periodsAbbreviated:     []string{"ДП", "ПП"},
		periodsNarrow:          []string{"ДП", "ПП"},
		periodsWide:            []string{"ДП", "ПП"},
		erasAbbreviated:        []string{"до н. э.", "н. э."},
		erasNarrow:             []string{"до н.э.", "н.э."},
		erasWide:               []string{"до Рождества Христова", "от Рождества Христова"},
		timezones:              map[string]string{"COST": "Колумбия, летнее время", "HAST": "Гавайско-алеутское стандартное время", "MYT": "Малайзия", "AWDT": "Западная Австралия, летнее время", "CLT": "Чили, стандартное время", "CAT": "Центральная Африка", "JST": "Япония, стандартное время", "PDT": "Тихоокеанское летнее время", "EAT": "Восточная Африка", "ACST": "Центральная Австралия, стандартное время", "NZST": "Новая Зеландия, стандартное время", "IST": "Индия", "CHADT": "Чатем, летнее время", "OEZ": "Восточная Европа, стандартное время", "AST": "Атлантическое стандартное время", "HADT": "Гавайско-алеутское летнее время", "WART": "Западная Аргентина, стандартное время", "HKST": "Гонконг, летнее время", "CDT": "Центральная Америка, летнее время", "VET": "Венесуэла", "AEST": "Восточная Австралия, стандартное время", "ECT": "Эквадор", "WIT": "Восточная Индонезия", "TMST": "Туркмения, летнее время", "MST": "Макао, стандартное время", "ART": "Аргентина, стандартное время", "EDT": "Восточная Америка, летнее время", "OESZ": "Восточная Европа, летнее время", "TMT": "Туркмения, стандартное время", "SRT": "Суринам", "WITA": "Центральная Индонезия", "WIB": "Западная Индонезия", "MEZ": "Центральная Европа, стандартное время", "ACWST": "Центральная Австралия, западное стандартное время", "AEDT": "Восточная Австралия, летнее время", "GFT": "Французская Гвиана", "ACDT": "Центральная Австралия, летнее время", "CST": "Центральная Америка, стандартное время", "WEZ": "Западная Европа, стандартное время", "ACWDT": "Центральная Австралия, западное летнее время", "COT": "Колумбия, стандартное время", "WARST": "Западная Аргентина, летнее время", "∅∅∅": "Амазонка, летнее время", "AKDT": "Аляска, летнее время", "PST": "Тихоокеанское стандартное время", "LHDT": "Лорд-Хау, летнее время", "HAT": "Ньюфаундленд, летнее время", "JDT": "Япония, летнее время", "AKST": "Аляска, стандартное время", "UYT": "Уругвай, стандартное время", "BOT": "Боливия", "ADT": "Атлантическое летнее время", "SGT": "Сингапур", "MESZ": "Центральная Европа, летнее время", "SAST": "Южная Африка", "BT": "Бутан", "HKT": "Гонконг, стандартное время", "MDT": "Макао, летнее время", "AWST": "Западная Австралия, стандартное время", "LHST": "Лорд-Хау, стандартное время", "WESZ": "Западная Европа, летнее время", "WAST": "Западная Африка, летнее время", "GMT": "Среднее время по Гринвичу", "HNT": "Ньюфаундленд, стандартное время", "GYT": "Гайана", "UYST": "Уругвай, летнее время", "NZDT": "Новая Зеландия, летнее время", "CHAST": "Чатем, стандартное время", "WAT": "Западная Африка, стандартное время", "ARST": "Аргентина, летнее время", "CLST": "Чили, летнее время", "ChST": "Чаморро", "EST": "Восточная Америка, стандартное время"},
	}
}

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

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

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

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

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

	n := math.Abs(num)
	i := int64(n)
	iMod10 := i % 10
	iMod100 := i % 100

	if v == 0 && iMod10 == 1 && iMod100 != 11 {
		return locales.PluralRuleOne
	} else if v == 0 && iMod10 >= 2 && iMod10 <= 4 && iMod100 < 12 && iMod100 > 14 {
		return locales.PluralRuleFew
	} else if (v == 0 && iMod10 == 0) || (v == 0 && iMod10 >= 5 && iMod10 <= 9) || (v == 0 && iMod100 >= 11 && iMod100 <= 14) {
		return locales.PluralRuleMany
	}

	return locales.PluralRuleOther
}

// OrdinalPluralRule returns the ordinal PluralRule given 'num' and digits/precision of 'v' for 'ru'
func (ru *ru) 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 'ru'
func (ru *ru) RangePluralRule(num1 float64, v1 uint64, num2 float64, v2 uint64) locales.PluralRule {

	start := ru.CardinalPluralRule(num1, v1)
	end := ru.CardinalPluralRule(num2, v2)

	if start == locales.PluralRuleOne && end == locales.PluralRuleOne {
		return locales.PluralRuleOne
	} else if start == locales.PluralRuleOne && end == locales.PluralRuleFew {
		return locales.PluralRuleFew
	} else if start == locales.PluralRuleOne && end == locales.PluralRuleMany {
		return locales.PluralRuleMany
	} else if start == locales.PluralRuleOne && end == locales.PluralRuleOther {
		return locales.PluralRuleOther
	} else if start == locales.PluralRuleFew && end == locales.PluralRuleOne {
		return locales.PluralRuleOne
	} else if start == locales.PluralRuleFew && end == locales.PluralRuleFew {
		return locales.PluralRuleFew
	} else if start == locales.PluralRuleFew && end == locales.PluralRuleMany {
		return locales.PluralRuleMany
	} else if start == locales.PluralRuleFew && end == locales.PluralRuleOther {
		return locales.PluralRuleOther
	} else if start == locales.PluralRuleMany && end == locales.PluralRuleOne {
		return locales.PluralRuleOne
	} else if start == locales.PluralRuleMany && end == locales.PluralRuleFew {
		return locales.PluralRuleFew
	} else if start == locales.PluralRuleMany && end == locales.PluralRuleMany {
		return locales.PluralRuleMany
	} else if start == locales.PluralRuleMany && end == locales.PluralRuleOther {
		return locales.PluralRuleOther
	} else if start == locales.PluralRuleOther && end == locales.PluralRuleOne {
		return locales.PluralRuleOne
	} else if start == locales.PluralRuleOther && end == locales.PluralRuleFew {
		return locales.PluralRuleFew
	} else if start == locales.PluralRuleOther && end == locales.PluralRuleMany {
		return locales.PluralRuleMany
	}

	return locales.PluralRuleOther

}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	l := len(s) + 2 + 2*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, ru.decimal[0])
			inWhole = true
			continue
		}

		if inWhole {
			if count == 3 {
				for j := len(ru.group) - 1; j >= 0; j-- {
					b = append(b, ru.group[j])
				}
				count = 1
			} else {
				count++
			}
		}

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

	if num < 0 {
		b = append(b, ru.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 'ru' and handles both Whole and Real numbers based on 'v'
// NOTE: 'num' passed into FmtPercent is assumed to be in percent already
func (ru *ru) 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, ru.decimal[0])
			continue
		}

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

	if num < 0 {
		b = append(b, ru.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, ru.percentSuffix...)

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

	return string(b)
}

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

	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	symbol := ru.currencies[currency]
	l := len(s) + len(symbol) + 4 + 2*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, ru.decimal[0])
			inWhole = true
			continue
		}

		if inWhole {
			if count == 3 {
				for j := len(ru.group) - 1; j >= 0; j-- {
					b = append(b, ru.group[j])
				}
				count = 1
			} else {
				count++
			}
		}

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

	if num < 0 {
		b = append(b, ru.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, ru.decimal...)
		}

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

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

	b = append(b, symbol...)

	return string(b)
}

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

	s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64)
	symbol := ru.currencies[currency]
	l := len(s) + len(symbol) + 4 + 2*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, ru.decimal[0])
			inWhole = true
			continue
		}

		if inWhole {
			if count == 3 {
				for j := len(ru.group) - 1; j >= 0; j-- {
					b = append(b, ru.group[j])
				}
				count = 1
			} else {
				count++
			}
		}

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

	if num < 0 {

		b = append(b, ru.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, ru.decimal...)
		}

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

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

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

	return string(b)
}

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

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

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

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

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

	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 'ru'
func (ru *ru) FmtDateMedium(t time.Time) string {

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

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x20}...)
	b = append(b, ru.monthsAbbreviated[t.Month()]...)
	b = append(b, []byte{0x20}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)
	b = append(b, []byte{}...)
	b = append(b, []byte{0x27, 0xd0, 0xb3, 0x27, 0x2e}...)

	return string(b)
}

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

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

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x20}...)
	b = append(b, ru.monthsWide[t.Month()]...)
	b = append(b, []byte{0x20}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)
	b = append(b, []byte{}...)
	b = append(b, []byte{0x27, 0xd0, 0xb3, 0x27, 0x2e}...)

	return string(b)
}

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

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

	b = append(b, ru.daysWide[t.Weekday()]...)
	b = append(b, []byte{0x2c, 0x20}...)
	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x20}...)
	b = append(b, ru.monthsWide[t.Month()]...)
	b = append(b, []byte{0x20}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)
	b = append(b, []byte{}...)
	b = append(b, []byte{0x27, 0xd0, 0xb3, 0x27, 0x2e}...)

	return string(b)
}

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

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

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

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

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

	return string(b)
}

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

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

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

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

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, ru.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 'ru'
func (ru *ru) FmtTimeLong(t time.Time) string {

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

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

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

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, ru.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 'ru'
func (ru *ru) FmtTimeFull(t time.Time) string {

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

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

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

	b = strconv.AppendInt(b, int64(t.Minute()), 10)
	b = append(b, ru.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 := ru.timezones[tz]; ok {
		b = append(b, btz...)
	} else {
		b = append(b, tz...)
	}

	return string(b)
}
