var path = require('path');
var test = require('tap').test;
var resolve = require('../');

test('async foo', function (t) {
    t.plan(9);
    var dir = __dirname + '/resolver';
    
    resolve('./foo', { basedir : dir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/foo.js');
        t.equal(pkg, undefined);
    });
    
    resolve('./foo.js', { basedir : dir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/foo.js');
        t.equal(pkg, undefined);
    });
    
    resolve('./foo', { basedir : dir, package: { main: 'resolver' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/foo.js');
        t.equal(pkg.main, 'resolver');
    });
    
    resolve('./foo.js', { basedir : dir, package: { main: 'resolver' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/foo.js');
        t.equal(pkg.main, 'resolver');
    });
    
    resolve('foo', { basedir : dir }, function (err) {
        t.equal(err.message, "Cannot find module 'foo' from '" + path.resolve(dir) + "'");
    });
});

test('bar', function (t) {
    t.plan(6);
    var dir = __dirname + '/resolver';
    
    resolve('foo', { basedir : dir + '/bar' }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/bar/node_modules/foo/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('foo', { basedir : dir + '/bar' }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/bar/node_modules/foo/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('foo', { basedir : dir + '/bar', package: { main: 'bar' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/bar/node_modules/foo/index.js');
        t.equal(pkg, undefined);
    });
});

test('baz', function (t) {
    t.plan(4);
    var dir = __dirname + '/resolver';
    
    resolve('./baz', { basedir : dir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/baz/quux.js');
        t.equal(pkg.main, 'quux.js');
    });
    
    resolve('./baz', { basedir : dir, package: { main: 'resolver' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/baz/quux.js');
        t.equal(pkg.main, 'quux.js');
    });
});

test('biz', function (t) {
    t.plan(24);
    var dir = __dirname + '/resolver/biz/node_modules';
    
    resolve('./grux', { basedir : dir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/grux/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('./grux', { basedir : dir, package: { main: 'biz' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/grux/index.js');
        t.equal(pkg.main, 'biz');
    });
    
    resolve('./garply', { basedir : dir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/garply/lib/index.js');
        t.equal(pkg.main, './lib');
    });
    
    resolve('./garply', { basedir : dir, package: { main: 'biz' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/garply/lib/index.js');
        t.equal(pkg.main, './lib');
    });
    
    resolve('tiv', { basedir : dir + '/grux' }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/tiv/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('tiv', { basedir : dir + '/grux', package: { main: 'grux' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/tiv/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('tiv', { basedir : dir + '/garply' }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/tiv/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('tiv', { basedir : dir + '/garply', package: { main: './lib' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/tiv/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('grux', { basedir : dir + '/tiv' }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/grux/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('grux', { basedir : dir + '/tiv', package: { main: 'tiv' }  }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/grux/index.js');
        t.equal(pkg, undefined);
    });
    
    resolve('garply', { basedir : dir + '/tiv' }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/garply/lib/index.js');
        t.equal(pkg.main, './lib');
    });
    
    resolve('garply', { basedir : dir + '/tiv', package: { main: 'tiv' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/garply/lib/index.js');
        t.equal(pkg.main, './lib');
    });
});

test('quux', function (t) {
    t.plan(2);
    var dir = __dirname + '/resolver/quux';
    
    resolve('./foo', { basedir : dir, package: { main: 'quux' } }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/foo/index.js');
        t.equal(pkg.main, 'quux');
    });
});

test('normalize', function (t) {
    t.plan(2);
    var dir = __dirname + '/resolver/biz/node_modules/grux';
    
    resolve('../grux', { basedir : dir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/index.js');
        t.equal(pkg, undefined);
    });
});

test('cup', function (t) {
    t.plan(3);
    var dir = __dirname + '/resolver';
    
    resolve('./cup', { basedir : dir, extensions : [ '.js', '.coffee' ] },
    function (err, res) {
        if (err) t.fail(err);
        t.equal(res, dir + '/cup.coffee');
    });
    
    resolve('./cup.coffee', { basedir : dir }, function (err, res) {
        if (err) t.fail(err);
        t.equal(res, dir + '/cup.coffee');
    });
    
    resolve('./cup', { basedir : dir, extensions : [ '.js' ] },
    function (err, res) {
        t.equal(err.message, "Cannot find module './cup' from '" + path.resolve(dir) + "'");
    });
});

test('mug', function (t) {
    t.plan(3);
    var dir = __dirname + '/resolver';
    
    resolve('./mug', { basedir : dir }, function (err, res) {
        if (err) t.fail(err);
        t.equal(res, dir + '/mug.js');
    });
    
    resolve('./mug', { basedir : dir, extensions : [ '.coffee', '.js' ] },
    function (err, res) {
        if (err) t.fail(err);
        t.equal(res, dir + '/mug.coffee');
    });
    
    resolve('./mug', { basedir : dir, extensions : [ '.js', '.coffee' ] },
    function (err, res) {
        t.equal(res, dir + '/mug.js');
    });
});

test('other path', function (t) {
    t.plan(4);
    var resolverDir = __dirname + '/resolver';
    var dir = resolverDir + '/bar';
    var otherDir = resolverDir + '/other_path';
    
    resolve('root', { basedir : dir, paths: [otherDir] }, function (err, res) {
        if (err) t.fail(err);
        t.equal(res, resolverDir + '/other_path/root.js');
    });
    
    resolve('lib/other-lib', { basedir : dir, paths: [otherDir] },
    function (err, res) {
        if (err) t.fail(err);
        t.equal(res, resolverDir + '/other_path/lib/other-lib.js');
    });
    
    resolve('root', { basedir : dir, }, function (err, res) {
        t.equal(err.message, "Cannot find module 'root' from '" + path.resolve(dir) + "'");
    });
    
    resolve('zzz', { basedir : dir, paths: [otherDir] }, function (err, res) {
        t.equal(err.message, "Cannot find module 'zzz' from '" + path.resolve(dir) + "'");
    });
});

test('incorrect main', function (t) {
    t.plan(1)

    var resolverDir = __dirname + '/resolver';
    var dir = resolverDir + '/incorrect_main';

    resolve('./incorrect_main', { basedir : resolverDir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, dir + '/index.js');
    });
});

test('without basedir', function (t) {
    t.plan(1);

    var dir = __dirname + '/resolver/without_basedir';
    var tester = require(dir + '/main.js');

    tester(t, function (err, res, pkg){
        if (err) {
	  t.fail(err);
	} else {
          t.equal(res, dir + '/node_modules/mymodule.js');
	}
    });
});

test('#25: node modules with the same name as node stdlib modules', function (t) {
    t.plan(1);

    var resolverDir = __dirname + '/resolver/punycode';

    resolve('punycode', { basedir : resolverDir }, function (err, res, pkg) {
        if (err) t.fail(err);
        t.equal(res, resolverDir + '/node_modules/punycode/index.js');
    });
});
