package io.trygvis.persistence;

import io.trygvis.container.compiler.model.TypeRef;

import static io.trygvis.persistence.FieldMirror.FieldType.PRIMITIVE;
import static io.trygvis.persistence.FieldMirror.FieldType.REFERENCE;

/**
 * TODO: a single field might have to be mapped to multiple sql columns.
 */
public abstract class FieldMirror {
    public final FieldType fieldType;
    public final TypeRef type;
    public final String javaName;
    public final String sqlName;
    public final boolean id;
    public final boolean notNull;
    public final boolean unique;

    public enum FieldType {
        PRIMITIVE,
        REFERENCE,
    }

    protected FieldMirror(FieldType fieldType, TypeRef type, String javaName, String sqlName, boolean id, boolean notNull, boolean unique) {
        this.fieldType = fieldType;
        this.type = type;
        this.javaName = javaName;
        this.sqlName = sqlName;
        this.id = id;
        this.notNull = notNull;
        this.unique = unique;
    }

    public static class PrimitiveFieldMirror extends FieldMirror {
        public PrimitiveFieldMirror(TypeRef typeRef, String javaName, String sqlName, boolean id, boolean notNull, boolean unique) {
            super(PRIMITIVE, typeRef, javaName, sqlName, id, notNull, unique);
        }

        @Override
        public String toString() {
            return "PrimitiveFieldMirror{" +
                    "type='" + type + '\'' +
                    ", javaName='" + javaName + '\'' +
                    ", sqlName='" + sqlName + '\'' +
                    ", notNull=" + notNull +
                    ", unique=" + unique +
                    '}';
        }
    }

    public static class ReferenceFieldMirror extends FieldMirror {
        public ReferenceFieldMirror(TypeRef typeRef, String javaName, String sqlName, boolean notNull, boolean unique) {
            super(REFERENCE, typeRef, javaName, sqlName, false, notNull, unique);
        }

        @Override
        public String toString() {
            return "ReferenceFieldMirror{" +
                    "type='" + type + '\'' +
                    ", javaName='" + javaName + '\'' +
                    ", sqlName='" + sqlName + '\'' +
                    ", notNull=" + notNull +
                    ", unique=" + unique +
                    '}';
        }
    }

    @Override
    public abstract String toString();
}