import csv

class Searchers:
  def get_text(self, path):
    f = open(path)
    text = f.readlines()
    f.close()
    return text

  def print_csv(self, path):
    data = csv.reader(open(path, 'rU'), quotechar='"', delimiter = ',')
    for row in data:
      print row

  def column(self, data, col_name):
    col = []
    if col_name in data[0]:
      number = data[0].index(col_name)
      for row in data:
        col.append(row[number])
    return col[1:]

  def first_match(self, key, text):
    for line in text:
      if key in line:
        return line

  def last_match(self, key, text):
    l = "NOT FOUND"
    for line in text:
      if key in line:
        l = line
    return l

  def all_match(self, key, text):
    l = []
    for line in text:
      if key in line:
        l.append(line)
    return l

  def first_match_lines(self, key, N, skip, text):
    for i, line in enumerate(text):
      if key in line:
        ind = i
        key_followers = []
        for _ in range(N):
          key_followers.append(text[ind + _ + skip + 1])
        return key_followers

  def last_match_lines(self, key, N, skip, text):
    for i, line in enumerate(text):
      if key in line:
        ind = i
    key_followers = []
    for _ in range(N):
      key_followers.append(text[ind + _ + skip + 1])
    return key_followers

  def all_match_lines(self, key, N, skip, text):
    all_key = []
    for i, line in enumerate(text):
      if key in line:
        ind = i
        key_followers = []
        for _ in range(N):
          key_followers.append(text[ind + _ + skip + 1])
        all_key.append(key_followers)
    return all_key

  def ch_position(self, key, line):
    if key in line:
      return line.index(key)