// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package main

import (
	"fmt"
	"html/template"
	"net/http"

	"github.com/codegangsta/cli"
	"github.com/codegangsta/martini"
	"github.com/martini-contrib/render"
	"github.com/martini-contrib/sessions"

	"github.com/gogits/binding"

	"github.com/gogits/gogs/modules/auth"
	"github.com/gogits/gogs/modules/base"
	"github.com/gogits/gogs/modules/log"
	"github.com/gogits/gogs/routers"
	"github.com/gogits/gogs/routers/repo"
	"github.com/gogits/gogs/routers/user"
)

var CmdWeb = cli.Command{
	Name:  "web",
	Usage: "just run",
	Description: `
gogs web`,
	Action: runWeb,
	Flags:  []cli.Flag{},
}

func Subtract(left interface{}, right interface{}) interface{} {
	var rleft, rright int64
	var fleft, fright float64
	var isInt bool = true
	switch left.(type) {
	case int:
		rleft = int64(left.(int))
	case int8:
		rleft = int64(left.(int8))
	case int16:
		rleft = int64(left.(int16))
	case int32:
		rleft = int64(left.(int32))
	case int64:
		rleft = left.(int64)
	case float32:
		fleft = float64(left.(float32))
		isInt = false
	case float64:
		fleft = left.(float64)
		isInt = false
	}

	switch right.(type) {
	case int:
		rright = int64(right.(int))
	case int8:
		rright = int64(right.(int8))
	case int16:
		rright = int64(right.(int16))
	case int32:
		rright = int64(right.(int32))
	case int64:
		rright = right.(int64)
	case float32:
		fright = float64(left.(float32))
		isInt = false
	case float64:
		fleft = left.(float64)
		isInt = false
	}

	if isInt {
		return rleft - rright
	} else {
		return fleft + float64(rleft) - (fright + float64(rright))
	}
}

var AppHelpers template.FuncMap = map[string]interface{}{
	"AppName": func() string {
		return base.Cfg.MustValue("", "APP_NAME")
	},
	"AppVer": func() string {
		return APP_VER
	},
	"TimeSince": base.TimeSince,
	"Subtract":  Subtract,
}

func runWeb(*cli.Context) {
	log.Info("%s %s", base.Cfg.MustValue("", "APP_NAME"), APP_VER)

	m := martini.Classic()

	// Middlewares.
	m.Use(render.Renderer(render.Options{Funcs: []template.FuncMap{AppHelpers}}))
	m.Use(base.InitContext())

	// TODO: should use other store because cookie store is not secure.
	store := sessions.NewCookieStore([]byte("secret123"))
	m.Use(sessions.Sessions("my_session", store))

	// Routers.
	m.Get("/", auth.SignInRequire(false), routers.Home)
	m.Any("/user/login", auth.SignOutRequire(), binding.BindIgnErr(auth.LogInForm{}), user.SignIn)
	m.Any("/user/logout", auth.SignInRequire(true), user.SignOut)
	m.Any("/user/sign_up", auth.SignOutRequire(), binding.BindIgnErr(auth.RegisterForm{}), user.SignUp)
	m.Any("/user/delete", auth.SignInRequire(true), user.Delete)
	m.Get("/user/feeds", binding.Bind(auth.FeedsForm{}), user.Feeds)

	m.Any("/user/setting", auth.SignInRequire(true), binding.BindIgnErr(auth.UpdateProfileForm{}), user.Setting)
	m.Any("/user/setting/password", auth.SignInRequire(true), binding.BindIgnErr(auth.UpdatePasswdForm{}), user.SettingPassword)
	m.Any("/user/setting/ssh", auth.SignInRequire(true), binding.BindIgnErr(auth.AddSSHKeyForm{}), user.SettingSSHKeys)
	m.Any("/user/setting/notification", auth.SignInRequire(true), user.SettingNotification)
	m.Any("/user/setting/security", auth.SignInRequire(true), user.SettingSecurity)

	m.Get("/user/:username", auth.SignInRequire(false), user.Profile)

	m.Any("/repo/create", auth.SignInRequire(true), binding.BindIgnErr(auth.CreateRepoForm{}), repo.Create)
	m.Any("/repo/delete", auth.SignInRequire(true), binding.Bind(auth.DeleteRepoForm{}), repo.Delete)
	m.Any("/repo/list", auth.SignInRequire(false), repo.List)

	m.Get("/:username/:reponame/settings", auth.SignInRequire(false), auth.RepoAssignment(true), repo.Setting)
	m.Get("/:username/:reponame/tree/:branchname/**",
		auth.SignInRequire(false), auth.RepoAssignment(true), repo.Single)
	m.Get("/:username/:reponame/tree/:branchname",
		auth.SignInRequire(false), auth.RepoAssignment(true), repo.Single)
	m.Get("/:username/:reponame", auth.SignInRequire(false), auth.RepoAssignment(true), repo.Single)

	//m.Get("/:username/:reponame", repo.Repo)

	listenAddr := fmt.Sprintf("%s:%s",
		base.Cfg.MustValue("server", "HTTP_ADDR"),
		base.Cfg.MustValue("server", "HTTP_PORT", "3000"))
	log.Info("Listen: %s", listenAddr)
	http.ListenAndServe(listenAddr, m)
}