from datetime import datetime, timedelta
import re
import shutil

from review.stats import Board, UserBoard, DurationBoard, ReviewData, ReviewStats


def setup_function():
    shutil.copyfile("tests/datas/reviewstats_1.csv", "tests/reviews/reviewstats_1.csv")
    shutil.copyfile("tests/datas/reviewstats_2.csv", "tests/reviews/reviewstats_2.csv")
    shutil.copyfile("tests/datas/reviewstats_empty.csv", "tests/reviews/reviewstats_empty.csv")


def test_board():
    board = Board()
    assert board.datas == {}
    assert board["test"] == 0
    assert board.position("test") is None
    assert board.min == 0
    assert board.max == 0
    assert board.avg == 0
    assert board.sum == 0


def test_userboard():
    review = ReviewStats("tests/reviews/reviewstats_1.csv")
    review.load()
    board = review.users_board
    assert board["test"] == 0
    assert board[1] == 5
    assert board.min == 1
    assert board.max == 10
    assert board.sum == 51
    assert board.avg == 3.1875


def test_durationboard():
    review = ReviewStats("tests/reviews/reviewstats_1.csv")
    review.load()
    board = review.durations_board
    assert board["test"] == 0
    assert board.min == 0
    assert board.max == 0
    assert board.sum == 0
    assert board.avg == 0


def test_durationboard():
    review = ReviewStats("tests/reviews/reviewstats_2.csv")
    review.load()
    board = review.durations_board
    assert board["test"] == 0
    assert board.min == 3
    assert board.max == 17
    assert board.sum == 49
    assert board.avg == 7.0


def test_reviewstats():
    review = ReviewStats("tests/reviews/reviewstats_2.csv")
    review.load()
    assert review.size == 16
    assert review.first is not None
    assert review.biggest is not None
    assert review.min_users == 1
    assert review.max_users == 10
    assert review.avg_users == 3.1875
    assert review.min_duration == 3
    assert review.max_duration == 17
    assert review.avg_duration == 7.0
    assert review.year_review(2012) == 2


def test_reviewstats_empty():
    review = ReviewStats("tests/reviews/reviewstats_empty.csv")
    review.load()
    assert review.size == 0
    assert review.first is None
    assert review.biggest is None
    assert review.min_users == 0
    assert review.max_users == 0
    assert review.avg_users == 0
    assert review.min_duration == 0
    assert review.max_duration == 0
    assert review.avg_duration == 0
    assert review.year_review(2012) == 0