package test

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/astaxie/session"
	_ "github.com/astaxie/session/providers/memory"
	"github.com/jinzhu/gorm"
	_ "github.com/jinzhu/gorm/dialects/postgres"
	"github.com/stretchr/testify/assert"
	"goji.io"

	libconfig "dev.sum7.eu/sum7/warehost/config"
	libapi "dev.sum7.eu/sum7/warehost/lib/api"
	log "dev.sum7.eu/sum7/warehost/lib/log"
)

//Init to initialisieren a API
func Init(t *testing.T) (assertion *assert.Assertions, config *libconfig.Config, sessions *session.Manager, dbconnection *gorm.DB, router *goji.Mux) {
	assertion = assert.New(t)
	config = libconfig.ReadConfigFile("../cmd/warehost/config.yml.example")
	log.NewLogger(config.Log.Path)

	// Session mgmt
	sessions, err := session.NewManager("memory", "session", 3600)
	go sessions.GC()
	assertion.NoError(err)

	// Database
	dbconnection, err = gorm.Open("postgres", config.Database)
	assertion.NoError(err)

	dbconnection.Callback().Create().Remove("gorm:update_time_stamp")
	dbconnection.Callback().Update().Remove("gorm:update_time_stamp")
	dbconnection.SingularTable(true)
	dbconnection.LogMode(config.DatabaseDebug)

	router = goji.NewMux()
	return
}

// Request a easy manager to test REST-API
type Request struct {
	req     *http.Request
	cookies []*http.Cookie
	router  *goji.Mux
}

// NewSession to get a new easy manager
func NewSession(router *goji.Mux) *Request {
	return &Request{router: router}
}

// JSONRequest send request to router
func (r *Request) JSONRequest(method string, url string, body interface{}) (jsonResult libapi.JSONResult, res *http.Response) {
	jsonObj, _ := json.Marshal(body)
	req, _ := http.NewRequest(method, url, bytes.NewReader(jsonObj))
	for _, c := range r.cookies {
		req.AddCookie(c)
	}

	w := httptest.NewRecorder()
	r.router.ServeHTTP(w, req)
	res = w.Result()
	r.cookies = res.Cookies()
	json.NewDecoder(w.Body).Decode(&jsonResult)
	return
}

// CleanSession to clean the current session
func (r *Request) CleanSession() {
	r.cookies = nil
}