var web = require('webjs');
var redis = require('redis');

var client = redis.createClient();

// webjs style
web.run(process.argv[2] || 8080)
  .config({
    'views': __dirname + '/views',
    'view engine': 'ejs', // jade, etc.
    'foo': 'bar',
    'redisClient': client,
    'readonly': false
  })
  .use(
    // Faster Middleware
    '/static', web.static(__dirname + '/assets'),
    // Normal Middlewares
    web.query(),
    web.cookieParser('webjs'),
    web.session({ secret: 'webjs', maxAge: 5 * 60 * 1000 }),
    web.compiler({ enable: [ 'less' ] }),
    web.compress(),
    function(req, res, next) {
      // Response Pipeline
      
      var startTime = process.hrtime();
      res.on('pipelining', function() {
        var diff = process.hrtime(startTime);

        console.log(
          '%s %s - %d %s',
          req.method.toUpperCase(), req.url, res.statusCode, (diff[0] * 1e9 + diff[1]) / 1e6 + 'ms'
        );
      });

      next();
    }
  )
  .get({
    '/': function(req, res) {
      res.send('Hello World!');
    },
    '/echo/:msg': function(req, res) {
      res.send(req.params.msg);
    },
    '/view/:view': function(req, res) {
      res.render(req.params.view, {
        view: req.params.view
      });

      // /view/foo => render /views/foo.ejs
    },
    '/ping': function(req, res) {
      res.long();

      (function loop(arr) {
        if (arr.length > 0) {
          res.send(arr.shift());
          setTimeout(function() {
            loop(arr);
          }, 500);
        } else {
          res.end();
        }
      })(['p', 'o', 'n', 'g', '!']);
    },
    '/get/:key': function(req, res) {
      web.meta('redisClient').get(req.params.key, function(err, value) {
        if (err) {
          return res.sendError(err);
        }

        value = value || 'no such key';

        res.send(value);
      });
    }
  })
  .put('/set/:key', function(req, res) {
    web.meta('redisClient').set(req.params.key, req.body().toString() /* Raw body */, function(err) {
      if (err) {
        return res.sendError(err);
      }

      res.send('OK');
    });
  })
  .post({
    '/incr/:key': function(req, res) {
      web.meta('redisClient').incr(req.params.key, function(err, currValue) {
        if (err) {
          return res.sendError(err);
        }

        res.send(currValue);
      });
    },
    '/append/:key': function(req, res) {
      web.meta('redisClient').append(req.params.key, req.body().toString(), function(err, length) {
        if (err) {
          return res.sendError(err);
        }

        res.send(length);
      });
    }
  });