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package org.zwobble.mammoth.tests;

import org.junit.Test;
import org.zwobble.mammoth.DocumentConverter;
import org.zwobble.mammoth.documents.*;
import org.zwobble.mammoth.html.Html;
import org.zwobble.mammoth.html.HtmlNode;

import java.util.List;

import static com.natpryce.makeiteasy.MakeItEasy.*;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.zwobble.mammoth.documents.VerticalAlignment.SUBSCRIPT;
import static org.zwobble.mammoth.documents.VerticalAlignment.SUPERSCRIPT;
import static org.zwobble.mammoth.tests.DeepReflectionMatcher.deepEquals;
import static org.zwobble.mammoth.tests.documents.DocumentElementMakers.*;
import static org.zwobble.mammoth.util.MammothLists.list;
import static org.zwobble.mammoth.util.MammothMaps.map;

public class DocumentConverterTests {
    // TODO: styles (paragraph, run, underline, strikethrough)

    @Test
    public void plainParagraphIsConvertedToPlainParagraph() {
        assertThat(
            convertToHtml(make(a(PARAGRAPH, with(CHILDREN, list(runWithText("Hello")))))),
            deepEquals(list(Html.element("p", list(Html.text("Hello"))))));
    }

    @Test
    public void multipleParagraphsInDocumentAreConvertedToMultipleParagraphs() {
        assertThat(
            documentConverter().convertToHtml(new Document(list(
                make(a(PARAGRAPH, with(CHILDREN, list(runWithText("Hello"))))),
                make(a(PARAGRAPH, with(CHILDREN, list(runWithText("there")))))))),

            deepEquals(list(
                Html.element("p", list(Html.text("Hello"))),
                Html.element("p", list(Html.text("there"))))));
    }

    @Test
    public void boldRunsAreWrappedInStrongTags() {
        assertThat(
            convertToHtml(make(a(RUN, with(BOLD, true), with(CHILDREN, list(new Text("Hello")))))),
            deepEquals(list(Html.element("strong", list(Html.text("Hello"))))));
    }

    @Test
    public void italicRunsAreWrappedInEmphasisTags() {
        assertThat(
            convertToHtml(make(a(RUN, with(ITALIC, true), with(CHILDREN, list(new Text("Hello")))))),
            deepEquals(list(Html.element("em", list(Html.text("Hello"))))));
    }

    @Test
    public void underliningIsIgnoredByDefault() {
        assertThat(
            convertToHtml(make(a(RUN, with(UNDERLINE, true), with(CHILDREN, list(new Text("Hello")))))),
            deepEquals(list(Html.text("Hello"))));
    }

    @Test
    public void struckthroughRunsAreWrappedInStrikethroughTagsByDefault() {
        assertThat(
            convertToHtml(make(a(RUN, with(STRIKETHROUGH, true), with(CHILDREN, list(new Text("Hello")))))),
            deepEquals(list(Html.element("s", list(Html.text("Hello"))))));
    }

    @Test
    public void superscriptRunsAreWrappedInSuperscriptTags() {
        assertThat(
            convertToHtml(make(a(RUN, with(VERTICAL_ALIGNMENT, SUPERSCRIPT), with(CHILDREN, list(new Text("Hello")))))),
            deepEquals(list(Html.element("sup", list(Html.text("Hello"))))));
    }

    @Test
    public void subscriptRunsAreWrappedInSubscriptTags() {
        assertThat(
            convertToHtml(make(a(RUN, with(VERTICAL_ALIGNMENT, SUBSCRIPT), with(CHILDREN, list(new Text("Hello")))))),
            deepEquals(list(Html.element("sub", list(Html.text("Hello"))))));
    }

    @Test
    public void tabIsConvertedToTabInHtmlText() {
        assertThat(
            convertToHtml(Tab.TAB),
            deepEquals(list(Html.text("\t"))));
    }

    @Test
    public void lineBreakIsConvertedToBreakElement() {
        assertThat(
            convertToHtml(LineBreak.LINE_BREAK),
            deepEquals(list(Html.selfClosingElement("br"))));
    }

    @Test
    public void hyperlinkWithHrefIsConvertedToAnchorTag() {
        assertThat(
            convertToHtml(Hyperlink.href("http://example.com", list(new Text("Hello")))),
            deepEquals(list(Html.element("a", map("href", "http://example.com"), list(Html.text("Hello"))))));
    }

    @Test
    public void hyperlinkWithInternalAnchorReferenceIsConvertedToAnchorTag() {
        assertThat(
            convertToHtml(Hyperlink.anchor("start", list(new Text("Hello")))),
            deepEquals(list(Html.element("a", map("href", "#doc-42-start"), list(Html.text("Hello"))))));
    }

    @Test
    public void bookmarksAreConvertedToAnchorsWithIds() {
        assertThat(
            convertToHtml(new Bookmark("start")),
            deepEquals(list(Html.element("a", map("id", "doc-42-start")))));
    }


    private List<HtmlNode> convertToHtml(DocumentElement element) {
        return documentConverter().convertToHtml(element);
    }

    private DocumentConverter documentConverter() {
        return new DocumentConverter("doc-42");
    }
}