import csv
import json
import re

import requests

url = "https://gc.com/t/{season_id}/{team_id}/{page}"


def get_authenticated_session(request):
    gc_username = request.user.gamechanger_account.user
    gc_password = request.user.gamechanger_account.password
    s = requests.Session()
    s.headers.update({"referer": "https://gc.com/do-login"})
    s.get("https://gc.com/login")
    r2 = s.post(
        "https://gc.com/do-login",
        cookies=s.cookies,
        data={
            "csrfmiddlewaretoken": s.cookies.get("csrftoken"),
            "email": gc_username,
            "password": gc_password,
        },
    )
    if r2.status_code == 200:
        return s
    else:
        raise requests.exceptions.RequestException(
            f"Returned {r2.status_code} for {r2.reason}"
        )


def submit_lineup(request, lineup):
    authenticated_session = get_authenticated_session(request)
    season_id = request.user.gamechanger_preferences.season_id
    team_id = request.user.gamechanger_preferences.team_id
    authenticated_session.headers.update(
        {
            "referer": url.format(
                season_id=season_id, team_id=team_id, page="lineup_edit"
            ),
            "x-csrftoken": authenticated_session.cookies.get("csrftoken"),
            "Content-Type": "application/x-www-form-urlencoded;",
        }
    )
    r = authenticated_session.post(
        cookies=authenticated_session.cookies,
        url="https://gc.com/do-save-lineup/{team_id}".format(
            team_id=team_id.split("-").pop()
        ),
        json={"lineup": lineup},
    )
    if r.status_code == 200:
        return r
    else:
        raise requests.exceptions.RequestException(
            f"Returned {r.status_code} for {r.reason}"
        )


def scrape_page(season_id, team_id, page):
    r = requests.get(url.format(season_id=season_id, team_id=team_id, page=page))
    initialize_page_json = re.search(
        r'page.initialize\(\$.parseJSON\("(.*?)"\)', r.content.decode("unicode_escape")
    )
    m = initialize_page_json.group(1)
    return json.loads(m)


def stats(request):
    authenticated_session = get_authenticated_session(request)
    season_id = request.user.gamechanger_preferences.season_id
    team_id = request.user.gamechanger_preferences.team_id
    page = "stats/batting/Qualified/standard/csv"
    r = authenticated_session.get(
        url.format(season_id=season_id, team_id=team_id, page=page)
    )

    roster = scrape_page(season_id, team_id, "roster")
    id_lookup = {
        (p.get("fname"), p.get("lname")): p.get("player_id") for p in roster["roster"]
    }

    decoded_content = r.content.decode("utf-8")

    cr = csv.reader(decoded_content.splitlines(), delimiter=",")
    my_list = list(cr)
    player_keys = [
        (i, key)
        for i, key in enumerate(my_list[1][: my_list[0].index("Offensive Stats")])
    ]
    offensive_keys = [
        (i, key)
        for i, key in enumerate(
            my_list[1][
                my_list[0]
                .index("Offensive Stats") : my_list[0]
                .index("Defensive Stats")
                - 1
            ],
            start=my_list[0].index("Offensive Stats"),
        )
    ]
    defensive_keys = [
        (i, key)
        for i, key in enumerate(
            my_list[1][my_list[0].index("Defensive Stats") :],
            start=my_list[0].index("Defensive Stats"),
        )
    ]

    stats = {}
    for row in my_list[2:]:
        player_keys
        number, lname, fname = row[:3]
        if number == "Team":
            break
        gamechanger_id = id_lookup[(fname, lname)]
        stats[gamechanger_id] = {
            "offensive": {k: row[i] for i, k in offensive_keys},
            "defensive": {k: row[i] for i, k in defensive_keys},
        }

    return stats


# d = scrape_page(season_id, team_id, page)
pass