package count

import(
  "github.com/dannyvankooten/ana/db"
)

func Pageviews(before int64, after int64) float64 {
  // get total
  stmt, err := db.Conn.Prepare(`
    SELECT
    SUM(a.count)
    FROM archive a
    WHERE a.metric = 'pageviews' AND UNIX_TIMESTAMP(a.date) <= ? AND UNIX_TIMESTAMP(a.date) >= ?`)
  checkError(err)
  defer stmt.Close()
  var total float64
  stmt.QueryRow(before, after).Scan(&total)
  return total
}

func PageviewsPerDay(before int64, after int64) []Point {
  stmt, err := db.Conn.Prepare(`SELECT
      SUM(a.count) AS count,
      DATE_FORMAT(a.date, '%Y-%m-%d') AS date_group
    FROM archive a
    WHERE a.metric = 'pageviews' AND UNIX_TIMESTAMP(a.date) <= ? AND UNIX_TIMESTAMP(a.date) >= ?
    GROUP BY date_group`)
  checkError(err)
  defer stmt.Close()

  rows, err := stmt.Query(before, after)
  checkError(err)
  defer rows.Close()

  results := make([]Point, 0)
  defer rows.Close()
  for rows.Next() {
    p := Point{}
    err = rows.Scan(&p.Value, &p.Label);
    checkError(err)
    results = append(results, p)
  }

  results = fill(after, before, results)
  return results
}