package snap

import "net/http"

type Context struct {
	Username string
	srv *server
	w http.ResponseWriter
	r *http.Request
	vars map[string]string
}

type SnapContent struct {
	Username string
	AppData interface{}
}

func (c *Context) GetRequest() *http.Request {
	return c.r
}

func (c *Context) Writer() http.ResponseWriter {
	return c.w
}


func (c *Context) GetUser() string {
	return c.Username
}

func (c *Context) Error(code int, msg string) {
	c.srv.renderError(c.w, code, msg)
}



func (c *Context) Render(tmpl string, content interface{}) {
	c.srv.render(c.w, tmpl, content)
}


func (c *Context) RenderEx(tmpl string, content interface{}) {
	cnt := SnapContent {
		Username:c.Username,
		AppData:content,
	}

	c.srv.render(c.w, tmpl, &cnt)
}

func (c *Context) GetVar(k string) ( string, bool) {
	v,ok := c.vars[k]
	return v, ok
}

func (c *Context) GetVarDefault(k string,def string) (string) {
	v,ok := c.vars[k]
	if !ok {
		return def
	}
	return v
}

func (c *Context) ParseForm() error {
	return c.r.ParseForm()
}

func (c *Context) FormValue(k string) string {
	return c.r.FormValue(k)
}