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package com.alibaba.fastjson2.writer;

import com.alibaba.fastjson2.JSONWriter;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Arrays;

abstract class FieldWriterBoolean
        extends FieldWriter {
    final byte[] utf8ValueTrue;
    final byte[] utf8ValueFalse;
    final byte[] utf8Value1;
    final byte[] utf8Value0;
    final char[] utf16ValueTrue;
    final char[] utf16ValueFalse;
    final char[] utf16Value1;
    final char[] utf16Value0;

    FieldWriterBoolean(
            String name,
            int ordinal,
            long features,
            String format,
            String label,
            Type fieldType,
            Class fieldClass,
            Field field,
            Method method
    ) {
        super(name, ordinal, features, format, label, fieldType, fieldClass, field, method);
        {
            byte[] bytes = Arrays.copyOf(nameWithColonUTF8, nameWithColonUTF8.length + 4);
            bytes[nameWithColonUTF8.length] = 't';
            bytes[nameWithColonUTF8.length + 1] = 'r';
            bytes[nameWithColonUTF8.length + 2] = 'u';
            bytes[nameWithColonUTF8.length + 3] = 'e';
            utf8ValueTrue = bytes;
        }
        {
            byte[] bytes = Arrays.copyOf(nameWithColonUTF8, nameWithColonUTF8.length + 5);
            bytes[nameWithColonUTF8.length] = 'f';
            bytes[nameWithColonUTF8.length + 1] = 'a';
            bytes[nameWithColonUTF8.length + 2] = 'l';
            bytes[nameWithColonUTF8.length + 3] = 's';
            bytes[nameWithColonUTF8.length + 4] = 'e';
            utf8ValueFalse = bytes;
        }
        {
            byte[] bytes = Arrays.copyOf(nameWithColonUTF8, nameWithColonUTF8.length + 1);
            bytes[nameWithColonUTF8.length] = '1';
            utf8Value1 = bytes;
        }
        {
            byte[] bytes = Arrays.copyOf(nameWithColonUTF8, nameWithColonUTF8.length + 1);
            bytes[nameWithColonUTF8.length] = '0';
            utf8Value0 = bytes;
        }

        {
            char[] chars = Arrays.copyOf(nameWithColonUTF16, nameWithColonUTF16.length + 4);
            chars[nameWithColonUTF16.length] = 't';
            chars[nameWithColonUTF16.length + 1] = 'r';
            chars[nameWithColonUTF16.length + 2] = 'u';
            chars[nameWithColonUTF16.length + 3] = 'e';
            utf16ValueTrue = chars;
        }
        {
            char[] chars = Arrays.copyOf(nameWithColonUTF16, nameWithColonUTF16.length + 5);
            chars[nameWithColonUTF16.length] = 'f';
            chars[nameWithColonUTF16.length + 1] = 'a';
            chars[nameWithColonUTF16.length + 2] = 'l';
            chars[nameWithColonUTF16.length + 3] = 's';
            chars[nameWithColonUTF16.length + 4] = 'e';
            utf16ValueFalse = chars;
        }
        {
            char[] chars = Arrays.copyOf(nameWithColonUTF16, nameWithColonUTF16.length + 1);
            chars[nameWithColonUTF16.length] = '1';
            utf16Value1 = chars;
        }
        {
            char[] chars = Arrays.copyOf(nameWithColonUTF16, nameWithColonUTF16.length + 1);
            chars[nameWithColonUTF16.length] = '0';
            utf16Value0 = chars;
        }
    }

    @Override
    public void writeValue(JSONWriter jsonWriter, Object object) {
        Boolean value = (Boolean) getFieldValue(object);
        if (value == null) {
            jsonWriter.writeNull();
            return;
        }
        jsonWriter.writeBool(value);
    }

    @Override
    public final void writeBool(JSONWriter jsonWriter, boolean value) {
        long features = jsonWriter.getFeatures(this.features);
        if ((features & JSONWriter.Feature.WriteNonStringValueAsString.mask) != 0) {
            writeFieldName(jsonWriter);
            jsonWriter.writeString(value ? "true" : "false");
            return;
        }

        if (jsonWriter.utf8) {
            jsonWriter.writeNameRaw(
                    (features & JSONWriter.Feature.WriteBooleanAsNumber.mask) != 0
                            ? (value ? utf8Value1 : utf8Value0)
                            : (value ? utf8ValueTrue : utf8ValueFalse)
            );
            return;
        }

        if (jsonWriter.utf16) {
            jsonWriter.writeNameRaw(
                    (features & JSONWriter.Feature.WriteBooleanAsNumber.mask) != 0
                            ? (value ? utf16Value1 : utf16Value0)
                            : (value ? utf16ValueTrue : utf16ValueFalse)
            );
            return;
        }

        writeFieldName(jsonWriter);
        jsonWriter.writeBool(value);
    }

    @Override
    public boolean write(JSONWriter jsonWriter, Object object) {
        Boolean value;
        try {
            value = (Boolean) getFieldValue(object);
        } catch (RuntimeException error) {
            if (jsonWriter.isIgnoreErrorGetter()) {
                return false;
            }
            throw error;
        }

        if (value == null) {
            long features = this.features | jsonWriter.getFeatures();
            if ((features & (JSONWriter.Feature.WriteNulls.mask | JSONWriter.Feature.NullAsDefaultValue.mask | JSONWriter.Feature.WriteNullBooleanAsFalse.mask)) == 0) {
                return false;
            }
            writeFieldName(jsonWriter);
            jsonWriter.writeBooleanNull();
            return true;
        }

        if (fieldClass == boolean.class
                && !value
                && (jsonWriter.getFeatures(features) & JSONWriter.Feature.NotWriteDefaultValue.mask) != 0
        ) {
            return false;
        }

        writeBool(jsonWriter, value);
        return true;
    }

    @Override
    public ObjectWriter getObjectWriter(JSONWriter jsonWriter, Class valueClass) {
        return ObjectWriterImplBoolean.INSTANCE;
    }
}