var assert = require("assert");

var readContentTypesFromXml = require("../../lib/docx/content-types-reader").readContentTypesFromXml;
var XmlElement = require("../../lib/xml").Element;
var test = require("../test")(module);


test('reads default-per-extension from XML', function() {
    var contentTypes = readContentTypesFromXml(
        new XmlElement("content-types:Types", {}, [
            new XmlElement("content-types:Default", {Extension: "png", ContentType: "image/png"})
        ])
    );
    assert.equal(contentTypes.findContentType("word/media/hat.png"), "image/png");
});

test('reads overrides in preference to defaults', function() {
    var contentTypes = readContentTypesFromXml(
        new XmlElement("content-types:Types", {}, [
            new XmlElement("content-types:Default", {Extension: "png", ContentType: "image/png"}),
            new XmlElement("content-types:Override", {PartName: "/word/media/hat.png", ContentType: "image/hat"})
        ])
    );
    assert.equal(contentTypes.findContentType("word/media/hat.png"), "image/hat");
});

test('fallback content types have common image types', function() {
    var contentTypes = readContentTypesFromXml(
        new XmlElement("content-types:Types", {}, [])
    );
    assert.equal(contentTypes.findContentType("word/media/hat.png"), "image/png");
    assert.equal(contentTypes.findContentType("word/media/hat.gif"), "image/gif");
    assert.equal(contentTypes.findContentType("word/media/hat.jpg"), "image/jpeg");
    assert.equal(contentTypes.findContentType("word/media/hat.jpeg"), "image/jpeg");
    assert.equal(contentTypes.findContentType("word/media/hat.bmp"), "image/bmp");
    assert.equal(contentTypes.findContentType("word/media/hat.tif"), "image/tiff");
    assert.equal(contentTypes.findContentType("word/media/hat.tiff"), "image/tiff");
});

test('fallback content types are case insensitive on extension', function() {
    var contentTypes = readContentTypesFromXml(
        new XmlElement("content-types:Types", {}, [])
    );
    assert.equal(contentTypes.findContentType("word/media/hat. PnG"), "image/png");
});
