/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
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 *
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 * -----------------------------------------------------------------------------
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 * commercial database integrations.
 *
 * For more information, please visit: https://www.jooq.org/legal/licensing
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package org.jooq.tools.jdbc;

import java.io.File;
import java.io.InputStream;
import java.io.LineNumberReader;
import java.io.Reader;
import java.io.StringReader;

import org.jooq.Source;

/**
 * A configuration object for the {@link MockFileDatabase}.
 * <p>
 * <strong>Disclaimer: The general idea of mocking a JDBC connection with this
 * jOOQ API is to provide quick workarounds, injection points, etc. using a very
 * simple JDBC abstraction. It is NOT RECOMMENDED to emulate an entire database
 * (including complex state transitions, transactions, locking, etc.) using this
 * mock API. Once you have this requirement, please consider using an actual
 * database instead for integration testing (e.g. using
 * <a href="https://www.testcontainers.org">https://www.testcontainers.org</a>),
 * rather than implementing your test database inside of a
 * MockDataProvider.</strong>
 *
 * @author Lukas Eder
 */
public final class MockFileDatabaseConfiguration {

    final LineNumberReader in;
    final boolean          patterns;
    final String           nullLiteral;

    public MockFileDatabaseConfiguration() {
        this(new LineNumberReader(new StringReader("")), false, null);
    }

    private MockFileDatabaseConfiguration(
        LineNumberReader in,
        boolean patterns,
        String nullLiteral
    ) {
        this.in = in;
        this.patterns = patterns;
        this.nullLiteral = nullLiteral;
    }

    public final MockFileDatabaseConfiguration source(File file) {
        return source(Source.of(file, "UTF-8"));
    }

    public final MockFileDatabaseConfiguration source(File file, String encoding) {
        return source(Source.of(file, encoding));
    }

    public final MockFileDatabaseConfiguration source(InputStream stream) {
        return source(Source.of(stream, "UTF-8"));
    }

    public final MockFileDatabaseConfiguration source(InputStream stream, String encoding) {
        return source(Source.of(stream, encoding));
    }

    public final MockFileDatabaseConfiguration source(Source source) {
        return source(source.reader());
    }

    public final MockFileDatabaseConfiguration source(Reader reader) {
        return new MockFileDatabaseConfiguration(new LineNumberReader(reader), patterns, nullLiteral);
    }

    public final MockFileDatabaseConfiguration source(String string) {
        return source(Source.of(string));
    }

    public final MockFileDatabaseConfiguration patterns(boolean newPatterns) {
        return new MockFileDatabaseConfiguration(in, newPatterns, nullLiteral);
    }

    public final MockFileDatabaseConfiguration nullLiteral(String newNullLiteral) {
        return new MockFileDatabaseConfiguration(in, patterns, newNullLiteral);
    }
}
