var _     = require('lodash'),
    path  = require('path'),
    chalk = require('chalk'),
    fs    = require('fs'),
    url   = require('url');

var routes = []

// bind actions.
global.action = function(method, path, func){
  if (typeof method == 'function') {
    func = method;
    method = 'get';
    path = func.name;
  } else if (typeof path == 'function') {
    func = path;
    path = func.name;
  }
  if (typeof method != 'string' || typeof path != 'string' || typeof func != 'function') {
    throw new Error('Arguments of action() should be one of `[FUNCTION]` / `[METHOD], [FUNCTION]` / `[METHOD], [PATH], [FUNCTION]`.')
  }
  routes.push({
    method: method,
    path  : '/' + (!!~['index', 'home', 'main'].indexOf(__route_root) ? '' : __route_root) + (path ? '/' + path : ''),
    fn    : func
  });
};

var _cwd = path.resolve(__dirname, '../../', 'web/routes');
// initialize.
module.exports = function(server){
  fs.readdirSync(_cwd).forEach(function(f){
    if (path.extname(f) != '.js') {
      return;
    }
    global.__route_root = path.basename(f, '.js');
    require(path.resolve(_cwd, f));
    delete global.__route_root;
  });
  routes.forEach(function(route){
    route.path = route.path.replace(/\/+/g, '/');
    server[route.method](route.path, route.fn);
  });
};