import json
import os, os.path

import requests

# =============================================================================
API_HOST = "api.smash.gg"
API_ENDPOINT = "gql/alpha"
API_SCHEME = "https"
API_URL = "{scheme}://{host}/{endpoint}".format(
        scheme = API_SCHEME,
        host = API_HOST,
        endpoint = API_ENDPOINT,
        )

# =============================================================================
# -----------------------------------------------------------------------------
class Player():
    """A Player, as registered by the smash.gg API, and their characters
    choices and placement in a tournament"""

    CHARACTERS = {
            1272: "bowser jr",
            1273: "bowser",
            1275: "cloud",
            1277: "daisy",
            1280: "donkey kong",
            1285: "falco",
            1286: "fox",
            1287: "ganondorf",
            1290: "ice climbers",
            1291: "ike",
            1292: "inkling",
            1293: "jigglypuff",
            1294: "king dedede",
            1295: "kirby",
            1296: "link",
            1297: "little mac",
            1298: "lucario",
            1299: "lucas",
            1300: "lucina",
            1301: "luigi",
            1302: "mario",
            1305: "megaman",
            1307: "metaknight",
            1310: "mewtwo",
            1313: "ness",
            1314: "olimar",
            1315: "pacman",
            1316: "palutena",
            1317: "peach",
            1318: "pichu",
            1319: "pikachu",
            1320: "pit",
            1321: "pokemon trainer",
            1323: "rob",
            1324: "robin",
            1325: "rosalina and luma",
            1326: "roy",
            1328: "samus",
            1329: "sheik",
            1330: "shulk",
            1331: "snake",
            1332: "sonic",
            1333: "toon link",
            1334: "villager",
            1335: "wario",
            1336: "wii-fit trainer",
            1337: "wolf",
            1338: "yoshi",
            1339: "young link",
            1340: "zelda",
            1405: "mr game & watch",
            1406: "incineroar",
            1407: "king k. rool",
            1408: "dark samus",
            1409: "byleth",
            1413: "isabelle",
            1441: "piranha plant",
            1453: "joker",
            1532: "terry",
            }

    # -------------------------------------------------------------------------
    def __init__(
            self,
            id,
            prefix,
            gamerTag,
            placement,
            seeding,
            twitterHandle = None,
            chars = None
            ):
        self.id            = int(id) # actually intended to store an Entrant id
        self.prefix        = prefix
        self.gamerTag      = gamerTag
        self.placement     = int(placement)
        self.seeding       = int(seeding)
        self.twitterHandle = twitterHandle

        if chars is None:
            self.chars = {}
        else:
            self.chars = chars

    # -------------------------------------------------------------------------
    def add_character_selection(self, character, win):
        try:
            character = self.CHARACTERS[character]
        except KeyError:
            pass

        try:
            self.chars[character] += ( 1.01 if win else 1.00 )
            # This 1.01 / 1.00 tricks should hold until the player loses 101
            # matches with one character and wins 100 matches with another...
            # during one tournament.
        except KeyError:
            self.chars[character] = ( 1.01 if win else 1.00 )

    # -------------------------------------------------------------------------
    def get_mains(self):
        return [ cv[0] for cv in sorted(
            self.chars.items(),
            key = lambda cv: cv[1],
            reverse = True,
            ) ]

    # -------------------------------------------------------------------------
    def conf(self):

        # The char list looks like 'character1 (12.08), character2 (3.02)'
        # where the number between parenthesis is the number of time the
        # character was played
        charslist = ", ".join(
                [ "{} ({:.2f})".format(c,n) for c,n in sorted(
                    self.chars.items(),
                    key = lambda cv: cv[1],
                    reverse = True,
                    ) ]
                )

        return """
[player {tag}]
tag: {tag}
team: {pfx}
seeding: {seed}
placement: {plc}
twitter: {twi}
characters: {charslist}""" \
            .format(
                    tag = self.gamerTag,
                    pfx = self.prefix,
                    seed = self.seeding,
                    plc = self.placement,
                    twi = self.twitterHandle,
                    charslist  = charslist,
                    )



# -----------------------------------------------------------------------------
class Tournament():
    """A Tournament, as registered by the smash.gg API"""

    # -------------------------------------------------------------------------
    def __init__(
            self,
            id,
            name,
            slug,
            startAt,
            numEntrants,
            venueAddress = None,
            venueName = None,
            city = None,
            countryCode = None,
            hashtag = None,
            ):
        self.id           = id
        self.name         = name
        self.slug         = slug.split("/")[-1]
        self.startAt      = startAt
        self.numEntrants  = numEntrants
        self.venueAddress = venueAddress
        self.venueName    = venueName
        self.city         = city
        self.countryCode  = countryCode
        self.hashtag      = hashtag

    # -------------------------------------------------------------------------
    def conf(self):
        return """
[Tournament]
name: {name}
date: {date}
location: {loc}
slug: {slug}
numEntrants: {nbe}""" \
            .format(
                    id = self.id,
                    name = self.name,
                    date = self.startAt,
                    loc = self.venueName,
                    slug = self.slug,
                    nbe = self.numEntrants,
                    )

        

# =============================================================================
def run_query(
        query_name,
        variables = {},
        query_dir = "queries",
        query_extension = "gql",
        api_url = API_URL,
        log = None,
        ):

    # Load query
    query_path = os.path.join(
            query_dir,
            "{}.{}".format(
                query_name,
                query_extension,
                )
            )
    query  = ""

    with open(query_path, 'r') as query_file:
        query = query_file.read()

    # Build payload
    payload = {
            "query": query,
            "variables": json.dumps(variables),
            }

    # Build headers
    headers = {
            "Authorization": "Bearer {token}".format(token = args.token),
            "Accept": "application/json",
            "Content-Type": "application/json"
            }

    # Send the query
    try:
        log.debug("Sending query '{}' with variables:".format(query_name))
        log.debug(json.dumps(variables))
    except AttributeError:
        pass

    rv = requests.post(
            API_URL,
            json.dumps(payload).encode("utf-8"),
            headers = headers,
            proxies = {"http": args.proxy, "https": args.proxy},
            )

    try:
        rv_json = rv.json()
    except Exception as e:
        log.error("HTTP request failed")
        log.error(e)
        log.debug(e, exc_info=True)
        log.debug(rv)

    # Try to return the data, or log the error and return None
    try:
        log.debug("query complexity : {}" \
                .format(
                    rv_json["extensions"]["queryComplexity"],
                    ))
        return rv_json["data"]
    except KeyError:
        try:
            log.error("GraphQL error")
            log.error(rv_json)
        except AttributeError:
            pass
        return None