package db

import (
  "github.com/dannyvankooten/ana/models"
  "log"
  "time"
  "math/rand"
//  "fmt"
//  "github.com/Pallinder/go-randomdata"
)

var browserNames = []string {
  "Chrome",
  "Chrome",
  "Firefox",
  "Safari",
  "Safari",
  "Internet Explorer",
}

var months = []time.Month {
  time.January,
  time.February,
  time.March,
  time.April,
  time.May,
  time.June,
  time.July,
  time.August,
  time.September,
  time.October,
  time.November,
  time.December,
}

var browserLanguages = []string {
  "en-US",
  "en-US",
  "nl-NL",
  "fr-FR",
  "de-DE",
  "es-ES",
}

var screenResolutions = []string {
  "2560x1440",
  "1920x1080",
  "1920x1080",
  "360x640",
}


func seedPages() []models.Page {
  var pages = make([]models.Page, 0)

  homepage := models.Page{
    Hostname: "wordpress.dev",
    Path: "/",
    Title: "Homepage",
  }
  homepage.Save(Conn)

  contactPage := models.Page{
    Hostname: "wordpress.dev",
    Path: "/contact/",
    Title: "Contact",
  }
  contactPage.Save(Conn)

  aboutPage := models.Page{
    Hostname: "wordpress.dev",
    Path: "/about/",
    Title: "About Me",
  }
  aboutPage.Save(Conn)

  portfolioPage := models.Page{
    Hostname: "wordpress.dev",
    Path: "/portfolio/",
    Title: "Portfolio",
  }
  portfolioPage.Save(Conn)

  pages = append(pages, homepage)
  pages = append(pages, homepage)
  pages = append(pages, contactPage)
  pages = append(pages, aboutPage)
  pages = append(pages, portfolioPage)
  return pages
}

func Seed(n int) {

//  pages := seedPages()

  // prepare statement for inserting data
  stmt, err := Conn.Prepare(`INSERT INTO pageviews(
    page_id,
    visitor_id,
    referrer_keyword,
    referrer_url,
    timestamp
    ) VALUES( ?, ?, ? ?, ? )`)
  if err != nil {
      log.Fatal(err)
  }
  defer stmt.Close()

  // // insert X random hits
  // log.Printf("Inserting %d visits", n)
  // for i := 0; i < n; i++ {
  //
  //   // print a dot as progress indicator
  //   fmt.Print(".")
  //
  //   // generate random timestamp
  //   date := randomDateBeforeNow();
  //   timestamp := fmt.Sprintf("%s %d:%d:%d", date.Format("2006-01-02"), randInt(10, 24), randInt(10, 60), randInt(10, 60))
  //
  //   visit := models.Visit{
  //     IpAddress: randomdata.IpV4Address(),
  //     BrowserName: randSliceElement(browserNames),
  //     BrowserVersion: "54.0.2840.100",
  //     BrowserLanguage: randSliceElement(browserLanguages),
  //     ScreenResolution: randSliceElement(screenResolutions),
  //     Country: randomdata.Country(randomdata.TwoCharCountry),
  //     ReferrerUrl: "",
  //     Timestamp: timestamp,
  //   }
  //
  //   // insert between 1-4 pageviews for this visitor
  //   for j := 0; j < randInt(1, 4); j++ {
  //     page := pages[randInt(0, len(pages))]
  //     visit.PageID = page.ID
  //
  //     _, err = stmt.Exec(
  //       visit.PageID,
  //       visit.BrowserLanguage,
  //       visit.BrowserName,
  //       visit.BrowserVersion,
  //       visit.Country,
  //       visit.IpAddress,
  //       visit.ReferrerUrl,
  //       visit.ScreenResolution,
  //       visit.Timestamp,
  //     )
  //     if err != nil {
  //       log.Fatal(err)
  //     }
  //   }
  //}
}

func randomDate() time.Time {
  now := time.Now()
  month := months[randInt(0, len(months))]
  t := time.Date(now.Year(), month, randInt(1,31), randInt(0,23), randInt(0,59), randInt(0,59), 0, time.UTC)
  return t
}

func randomDateBeforeNow() time.Time {
  now := time.Now()
  date := randomDate()
  for( date.After(now) ) {
    date = randomDate()
  }

  return date
}

func randSliceElement(slice []string) string {
  return slice[randInt(0, len(slice))]
}

func randInt(min int, max int) int {
    return min + rand.Intn(max-min)
}