var fs = require('fs');
var path = require('path');

describe('Resolve Files', function () {
    var book;

    before(function() {
        return books.parse("basic")
            .then(function(_book) {
                book = _book;
            });
    });

    describe('book.fileIsInBook', function() {
        it('should return true for correct paths', function() {
            book.fileIsInBook(path.join(book.root, 'README.md')).should.equal(true);
            book.fileIsInBook(path.join(book.root, 'styles/website.css')).should.equal(true);
        });

        it('should return true for root folder', function() {
            book.fileIsInBook(path.join(book.root, './')).should.equal(true);
            book.fileIsInBook(book.root).should.equal(true);
        });

        it('should return false for files out of scope', function() {
            book.fileIsInBook(path.join(book.root, '../')).should.equal(false);
            book.fileIsInBook('README.md').should.equal(false);
            book.fileIsInBook(path.resolve(book.root, '../README.md')).should.equal(false);
        });

        it('should correctly handle windows paths', function() {
            book.fileIsInBook(path.join(book.root, '\\styles\\website.css')).should.equal(true);
        });
    });

    describe('book.resolve', function() {
        it('should resolve a file to its absolute path', function() {
            book.resolve('README.md').should.equal(path.resolve(book.root, 'README.md'));
            book.resolve('website/README.md').should.equal(path.resolve(book.root, 'website/README.md'));
        });

        it('should correctly handle windows paths', function() {
            book.resolve('styles\\website.css').should.equal(path.resolve(book.root, 'styles\\website.css'));
        });

        it('should correctly resolve all arguments', function() {
            book.resolve('test', 'hello', '..', 'README.md').should.equal(path.resolve(book.root, 'test/README.md'));
        });

        it('should correctly resolve to root folder', function() {
            book.resolve('test', '/README.md').should.equal(path.resolve(book.root, 'README.md'));
            book.resolve('test', '\\README.md').should.equal(path.resolve(book.root, 'README.md'));
        });

        it('should throw an error for file out of book', function() {
            (function() {
                return book.resolve('../README.md');
            }).should.throw();
        });
    });
});