/*
 * Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibJS/Runtime/Intl/NumberFormat.h>

namespace JS::Intl {

// 15 NumberFormat Objects, https://tc39.es/ecma402/#numberformat-objects
NumberFormat::NumberFormat(Object& prototype)
    : Object(prototype)
{
}

void NumberFormat::set_style(StringView style)
{
    if (style == "decimal"sv)
        m_style = Style::Decimal;
    else if (style == "percent"sv)
        m_style = Style::Percent;
    else if (style == "currency"sv)
        m_style = Style::Currency;
    else if (style == "unit"sv)
        m_style = Style::Unit;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::style_string() const
{
    switch (m_style) {
    case Style::Decimal:
        return "decimal"sv;
    case Style::Percent:
        return "percent"sv;
    case Style::Currency:
        return "currency"sv;
    case Style::Unit:
        return "unit"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

void NumberFormat::set_currency_display(StringView currency_display)
{
    if (currency_display == "code"sv)
        m_currency_display = CurrencyDisplay::Code;
    else if (currency_display == "symbol"sv)
        m_currency_display = CurrencyDisplay::Symbol;
    else if (currency_display == "narrowSymbol"sv)
        m_currency_display = CurrencyDisplay::NarrowSymbol;
    else if (currency_display == "name"sv)
        m_currency_display = CurrencyDisplay::Name;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::currency_display_string() const
{
    VERIFY(m_currency_display.has_value());

    switch (*m_currency_display) {
    case CurrencyDisplay::Code:
        return "code"sv;
    case CurrencyDisplay::Symbol:
        return "symbol"sv;
    case CurrencyDisplay::NarrowSymbol:
        return "narrowSymbol"sv;
    case CurrencyDisplay::Name:
        return "name"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

void NumberFormat::set_currency_sign(StringView currency_sign)
{
    if (currency_sign == "standard"sv)
        m_currency_sign = CurrencySign::Standard;
    else if (currency_sign == "accounting"sv)
        m_currency_sign = CurrencySign::Accounting;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::currency_sign_string() const
{
    VERIFY(m_currency_sign.has_value());

    switch (*m_currency_sign) {
    case CurrencySign::Standard:
        return "standard"sv;
    case CurrencySign::Accounting:
        return "accounting"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

void NumberFormat::set_unit_display(StringView unit_display)
{
    if (unit_display == "short"sv)
        m_unit_display = UnitDisplay::Short;
    else if (unit_display == "narrow"sv)
        m_unit_display = UnitDisplay::Narrow;
    else if (unit_display == "long"sv)
        m_unit_display = UnitDisplay::Long;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::unit_display_string() const
{
    VERIFY(m_unit_display.has_value());

    switch (*m_unit_display) {
    case UnitDisplay::Short:
        return "short"sv;
    case UnitDisplay::Narrow:
        return "narrow"sv;
    case UnitDisplay::Long:
        return "long"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

StringView NumberFormat::rounding_type_string() const
{
    switch (m_rounding_type) {
    case RoundingType::SignificantDigits:
        return "significantDigits"sv;
    case RoundingType::FractionDigits:
        return "fractionDigits"sv;
    case RoundingType::CompactRounding:
        return "compactRounding"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

void NumberFormat::set_notation(StringView notation)
{
    if (notation == "standard"sv)
        m_notation = Notation::Standard;
    else if (notation == "scientific"sv)
        m_notation = Notation::Scientific;
    else if (notation == "engineering"sv)
        m_notation = Notation::Engineering;
    else if (notation == "compact"sv)
        m_notation = Notation::Compact;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::notation_string() const
{
    switch (m_notation) {
    case Notation::Standard:
        return "standard"sv;
    case Notation::Scientific:
        return "scientific"sv;
    case Notation::Engineering:
        return "engineering"sv;
    case Notation::Compact:
        return "compact"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

void NumberFormat::set_compact_display(StringView compact_display)
{
    if (compact_display == "short"sv)
        m_compact_display = CompactDisplay::Short;
    else if (compact_display == "long"sv)
        m_compact_display = CompactDisplay::Long;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::compact_display_string() const
{
    VERIFY(m_compact_display.has_value());

    switch (*m_compact_display) {
    case CompactDisplay::Short:
        return "short"sv;
    case CompactDisplay::Long:
        return "long"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

void NumberFormat::set_sign_display(StringView sign_display)
{
    if (sign_display == "auto"sv)
        m_sign_display = SignDisplay::Auto;
    else if (sign_display == "never"sv)
        m_sign_display = SignDisplay::Never;
    else if (sign_display == "always"sv)
        m_sign_display = SignDisplay::Always;
    else if (sign_display == "exceptZero"sv)
        m_sign_display = SignDisplay::ExceptZero;
    else
        VERIFY_NOT_REACHED();
}

StringView NumberFormat::sign_display_string() const
{
    switch (m_sign_display) {
    case SignDisplay::Auto:
        return "auto"sv;
    case SignDisplay::Never:
        return "never"sv;
    case SignDisplay::Always:
        return "always"sv;
    case SignDisplay::ExceptZero:
        return "exceptZero"sv;
    default:
        VERIFY_NOT_REACHED();
    }
}

}