/*
	Execute these commands before running the tests:

	create user 'liolio'@'localhost' identified by 'karamba';
	grant all on `mysql-validator`.* to 'liolio'@'localhost';
*/

var fs = require('fs'),
	should = require('should');
require('colors');

var mysql = require('mysql'),
	c = mysql.createConnection({
		user: 'liolio',
		password: 'karamba',
		typeCast: false,
		multipleStatements: true
	});

var validator = require('../lib/validator');


function runTest (tests, type, valid, cb) {
	var sql = '';
	for (var i=0; i < tests.length; i++) {
		sql += 'insert into `datatypes` (`'+type+'`) values ("'+tests[i]+'");';
	}
	c.query(sql, function (err, result) {
		if (err) return cb(err);
		c.query('select `'+type+'` from `datatypes`;', function (err, rows) {
			if (err) return cb(err);
			if (valid) console.log('\t'+type.blue.bold);
			console.log(valid ? '\tvalid'.magenta : '\tinvalid'.magenta);

			for (var i=0; i < tests.length; i++) {
				var err = validator.check(tests[i], type),
					value = rows[i][type].toString('utf8');
				// print
				console.log('\t'+
					(!err ? value.green : value.red),
					tests[i].yellow, 
					(!err ? 'valid'.green : err.message.red)
				);
				// test
				valid 
					? should.equal(err, null) 
					: err.should.be.an.instanceOf(Error);
			}
			
			c.query('delete from `datatypes`;', function (err, result) {
				if (err) return cb(err);
				cb();
			});
		});
	});
}


describe('data type', function () {
	before(function (done) {
		var schema = fs.readFileSync('./test/fixtures/schema.sql', 'utf8');
		c.query(schema, function (err, rows) {
			if (err) return done(err);
			done();
		});
	});

	it('should be valid', function (done) {
		console.log('');
		var TESTS = [
			{ data: require('./type/date').TEST, title: 'DATE, YEAR' },
			{ data: require('./type/time').TEST, title: 'TIME' },
			{ data: require('./type/datetime').TEST, title: 'DATETIME' },
			{ data: require('./type/int').TEST, title: 'BIGINT, INT, MEDIUMINT, SMALLINT, TINYINT, BIT' },
			{ data: require('./type/float').TEST, title: 'FLOAT, DOUBLE, DECIMAL' },
			{ data: require('./type/char').TEST, title: 'CHAR, VARCHAR, TINYTEXT' }
		];
		var TEST = {},
			keys = [];
		function loopTests (index) {
			if (index == TESTS.length) {
				return done();
			}
			console.log(TESTS[index].title.cyan.bold.underline);
			TEST = TESTS[index].data;
			keys = Object.keys(TEST);
			loopTypes(0, function () {
				loopTests(++index);
			});
		}
		function loopTypes (i, cb) {
			if (i == keys.length) {
				return cb();
			}
			runTest(TEST[keys[i]].valid, keys[i], true, function (err) {
				if (err) return done(err);
				runTest(TEST[keys[i]].invalid, keys[i], false, function (err) {
					if (err) return done(err);
					loopTypes(++i, cb);
				});
			});
		}
		loopTests(0);
	});

	after(function (done) {
		c.query('drop schema `mysql-validator`;', function (err, rows) {
			if (err) return done(err);
			done();
		});
	});
});