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    package ch.qos.logback.tyler.base;

    import ch.qos.logback.classic.Level;
    import ch.qos.logback.classic.LoggerContext;
    import ch.qos.logback.classic.spi.Configurator;
    import ch.qos.logback.classic.tyler.TylerConfiguratorBase;
    import ch.qos.logback.core.Context;
    import ch.qos.logback.core.model.processor.ModelInterpretationContext;
    import ch.qos.logback.tyler.base.spi.StaticImportData;
    import com.squareup.javapoet.FieldSpec;
    import com.squareup.javapoet.MethodSpec;
    import com.squareup.javapoet.ParameterSpec;
    import com.squareup.javapoet.TypeSpec;

    import javax.lang.model.element.Modifier;

    import java.util.ArrayList;
    import java.util.List;

    import static ch.qos.logback.tyler.base.TylerConstants.CONFIGURE_METHOD_NAME;
    import static ch.qos.logback.tyler.base.TylerConstants.CONTEXT_FIELD_NAME;
    import static ch.qos.logback.tyler.base.TylerConstants.LEVEL_FIELD_NAME;
    import static ch.qos.logback.tyler.base.TylerConstants.LOGGER_CONTEXT_PARAMETER_NAME;
    import static ch.qos.logback.tyler.base.TylerConstants.REQUIRED_LOGBACK_VERSION;
    import static ch.qos.logback.tyler.base.TylerConstants.TYLER_VERSION;

    public class TylerModelInterpretationContext extends ModelInterpretationContext {

        final public TypeSpec.Builder tylerConfiguratorTSB;
        final public MethodSpec.Builder configureMethodSpecBuilder;

        final FieldSpec contextFieldSpec = FieldSpec.builder(LoggerContext.class, CONTEXT_FIELD_NAME, Modifier.PRIVATE)
                .build();
        final ParameterSpec contextParameterSpec = ParameterSpec.builder(LoggerContext.class,
                LOGGER_CONTEXT_PARAMETER_NAME).build();
        final ParameterSpec levelParameterSpec = ParameterSpec.builder(Level.class, LEVEL_FIELD_NAME).build();

        final List<StaticImportData> staticImportsList = new ArrayList<>();

        public TylerModelInterpretationContext(Context context) {
            super(context);
            this.configureMethodSpecBuilder = initializeConfigureMethodSpecBuilder();
            this.tylerConfiguratorTSB = initializeTylerConfiguratorTSB();
        }

        public void addStaticImport(StaticImportData sid) {
            if (!staticImportsList.contains(sid))
                staticImportsList.add(sid);
        }

        TypeSpec.Builder initializeTylerConfiguratorTSB() {
            //MethodSpec setupLoggerMS = makeSetupLoggerMethodSpec();

            TypeSpec.Builder tsb = TypeSpec.classBuilder(TylerConstants.TYLER_CONFIGURATOR).addJavadoc("""
                                                
                            <p>This file was generated by logback-tyler version %s</p>
                            
                            <p>Eventual errors and warnings are appended at the end.</p>                    
                                                
                            <p>You may experiment with logback.xml to Java translation, i.e. 
                            TylerConfigurator generation, at the following URL:
                                                
                                  https://logback.qos.ch/translator/services/xml2Java.html </p>
                                                
                            <p>This generated TylerConfigurator class is intended to be copied and integrated 
                            into the user's project as a custom configurator. It will configure logback 
                            without XML.</p>
                                                
                            <p>It requires logback-classic version %s or later at runtime.</p>
                                                
                            <p>Custom configurators are looked up via Java's service-provide facility. If a 
                            custom provider is found, it takes precedence over logback's own configurators, 
                            e.g. DefaultJoranConfigurator.</p>
                                                
                            <p>See also item 1 of 'Configuration at initialization' section at 
                                                
                                https://logback.qos.ch/manual/configuration.html#auto_configuration 
                                                
                            </p>
                            """.formatted(TYLER_VERSION, REQUIRED_LOGBACK_VERSION))
                    .addSuperinterface(Configurator.class)
                    .superclass(TylerConfiguratorBase.class);
            return tsb;
        }

        private MethodSpec.Builder initializeConfigureMethodSpecBuilder() {
            MethodSpec.Builder msb = MethodSpec.methodBuilder(CONFIGURE_METHOD_NAME).addJavadoc("""
                            <p>This method performs configuration per {@link $T} interface.</p>
                                                
                            <p>If <code>TylerConfigurator</code> is installed as a configurator service, this 
                            method will be called by logback-classic during initialization.</p>
                            """, Configurator.class).addAnnotation(Override.class).addModifiers(Modifier.PUBLIC)
                    .addParameter(contextParameterSpec).returns(Configurator.ExecutionStatus.class)
                    .addStatement("$N($N)", TylerConfiguratorBase.SET_CONTEXT_METHOD_NAME, contextParameterSpec);

            return msb;
        }

        public FieldSpec getContextFieldSpec() {
            return contextFieldSpec;
        }
    }