import jsonlines
import os
import logging

# from twisted.python import log
from pprint import pprint
from colorama import Fore, Back, Style

log = logging.getLogger(__name__)


def merge(color_string):
    """ Given a string of colorama ANSI, merge them if you can. """
    return color_string.replace("m\x1b[", ";")


PORT_CLASSES = {
    1: "BBS",
    2: "BSB",
    3: "SBB",
    4: "SSB",
    5: "SBS",
    6: "BSS",
    7: "SSS",
    8: "BBB",
}
CLASSES_PORT = {v: k for k, v in PORT_CLASSES.items()}


class GameData(object):
    def __init__(self, usergame: tuple):
        # Construct the GameData storage object
        self.usergame = usergame
        self.warps = {}
        self.ports = {}
        self.config = {}
        # 10 = 300 bytes
        self.warp_groups = 10
        # 3 = 560 bytes
        # 5 = 930 bytes
        self.port_groups = 3

    def storage_filename(self):
        """ return filename

        username.lower _ game.upper.json
        """
        user, game = self.usergame
        return "{0}_{1}.json".format(user.lower(), game.upper())

    def reset_ports(self):
        self.ports = {}

    def reset_warps(self):
        self.warps = {}

    def display(self):
        pprint(self.warps)
        pprint(self.ports)

    def save(self, *_):
        """ save gamedata as jsonlines.

        Enable sort_keys=True to provide stable json data output.
        We also sorted(.keys()) to keep records in order.
        Note:  There's a "bug" when serializing to json, keys must be strings!
        """
        filename = self.storage_filename()

        with jsonlines.open(filename, mode="w", sort_keys=True) as writer:
            # for warp, sectors in self.warps.items():
            c = {"config": self.config}
            writer.write(c)

            w = {"warp": {}}

            for warp in sorted(self.warps.keys()):
                sectors = self.warps[warp]
                # log.debug("save:", warp, sectors)
                sects = sorted(list(sectors))  # make a list
                w["warp"][warp] = sects
                if len(w["warp"]) >= self.warp_groups:
                    writer.write(w)
                    w = {"warp": {}}
                    yield

                # log.debug(w)
                # writer.write(w)
                # yield

            if len(w["warp"]) > 1:
                writer.write(w)

            # for sector, port in self.ports.items():
            p = {"port": {}}

            for sector in sorted(self.ports.keys()):
                port = self.ports[sector]
                p["port"][sector] = port
                if len(p["port"]) >= self.port_groups:
                    writer.write(p)
                    p = {"port": {}}
                    yield
            if len(p["port"]) > 1:
                writer.write(p)

        log.info(
            "Saved {0} {1}/{2}/{3}".format(
                filename, len(self.ports), len(self.warps), len(self.config)
            )
        )

    def load(self):
        filename = self.storage_filename()

        self.warps = {}
        self.ports = {}
        self.config = {}
        if os.path.exists(filename):
            # Load it
            with jsonlines.open(filename) as reader:
                for obj in reader:
                    if "config" in obj:
                        self.config.update(obj["config"])
                    if "warp" in obj:
                        for s, w in obj["warp"].items():
                            # log.debug(s, w)
                            self.warps[int(s)] = set(w)
                        # self.warps.update(obj["warp"])
                    if "port" in obj:
                        for s, p in obj["port"].items():
                            self.ports[int(s)] = p
                        # self.ports.update(obj["port"])
                    yield
        log.info(
            "Loaded {0} {1}/{2}/{3}".format(
                filename, len(self.ports), len(self.warps), len(self.config)
            )
        )

    def untwisted_load(self):
        """ Load file without twisted deferred 
        
        This is for testing things out.
        """
        filename = self.storage_filename()

        self.warps = {}
        self.ports = {}
        self.config = {}
        if os.path.exists(filename):
            # Load it
            with jsonlines.open(filename) as reader:
                for obj in reader:
                    if "config" in obj:
                        self.config.update(obj["config"])
                    if "warp" in obj:
                        for s, w in obj["warp"].items():
                            # log.debug(s, w)
                            self.warps[int(s)] = set(w)
                        # self.warps.update(obj["warp"])
                    if "port" in obj:
                        for s, p in obj["port"].items():
                            self.ports[int(s)] = p
                        # self.ports.update(obj["port"])
        log.info(
            "Loaded {0} {1}/{2}/{3}".format(
                filename, len(self.ports), len(self.warps), len(self.config)
            )
        )

    def get_warps(self, sector: int):
        if sector in self.warps:
            return self.warps[sector]
        return None

    def warp_to(self, source: int, *dest):
        """ connect sector source to destination. 
        """
        log.debug("Warp {0} to {1}".format(source, dest))
        if source not in self.warps:
            self.warps[source] = set()

        for d in dest:
            if d not in self.warps[source]:
                self.warps[source].add(d)

    def get_config(self, key, default=None):
        if key in self.config:
            return self.config[key]
        return default

    def set_config(self, key, value):
        self.config.update({key: value})

    def set_port(self, sector: int, data: dict):
        log.debug("Port {0} : {1}".format(sector, data))
        if sector not in self.ports:
            self.ports[sector] = dict()
        self.ports[sector].update(data)

        if "port" not in self.ports[sector]:
            # incomplete port type - can we "complete" it?

            if all(x in self.ports for x in ["fuel", "org", "equ"]):
                # We have all of the port types, so:
                port = "".join(
                    [self.ports[sector][x]["sale"] for x in ["fuel", "org", "equ"]]
                )
                self.ports[sector]["port"] = port
                self.ports[sector]["class"] = CLASSES_PORT[port]
                log.debug("completed {0} : {1}".format(sector, self.ports[sector]))

    def port_buying(self, sector: int, cargo: str):
        """ Given a sector, is this port buying this? 

        cargo is a char (F/O/E)
        """
        cargo_to_index = {"F": 0, "O": 1, "E": 2}
        cargo_types = ("fuel", "org", "equ")

        cargo = cargo[0]
        if sector not in self.ports:
            log.warn("port_buying( {0}, {1}): sector unknown!".format(sector, cargo))
            return False
        port = self.ports[sector]
        if "port" not in port:
            log.warn("port_buying( {0}, {1}): port unknown!".format(sector, cargo))
            return True

        cargo_index = cargo_to_index[cargo]
        if port["port"][cargo_index] == "S":
            log.warn("port_buying( {0}, {1}): not buying cargo".format(sector, cargo))
            return False

        # ok, they buy it, but *WILL THEY* really buy it?
        cargo_key = cargo_types[cargo_index]
        if cargo_key in port:
            if int(port[cargo_key]["units"]) > 40:
                log.warn(
                    "port_buying( {0}, {1}): Yes, buying {2}".format(
                        sector, cargo, port[cargo_key]["sale"]
                    )
                )
                return True
        else:
            log.warn(
                "port_buying( {0}, {1}): Yes, buying (but values unknown)".format(
                    sector, cargo
                )
            )
            return True  # unknown port, we're guess yes.
        return False

    @staticmethod
    def port_burnt(port: dict):
        """ Is this port burned out? """
        if all(x in port for x in ["fuel", "org", "equ"]):
            if all("pct" in port[x] for x in ["fuel", "org", "equ"]):
                if (
                    port["equ"]["pct"] <= 20
                    or port["fuel"]["pct"] <= 20
                    or port["org"]["pct"] <= 20
                ):
                    return True
                return False
        # Since we don't have any port information, hope for the best, assume it isn't burnt.
        return False

    @staticmethod
    def flip(buy_sell):
        # Invert B's and S's to determine if we can trade or not between ports.
        return buy_sell.replace("S", "W").replace("B", "S").replace("W", "B")

    @staticmethod
    def port_trading(port1, port2):
        # Given the port settings, can we trade between these?
        if port1 == port2:
            return False
        p1 = [c for c in port1]
        p2 = [c for c in port2]
        rem = False
        for i in range(3):
            if p1[i] == p2[i]:
                p1[i] = "X"
                p2[i] = "X"
                rem = True
        if rem:
            j1 = "".join(p1).replace("X", "")
            j2 = "".join(p2).replace("X", "")
            if j1 == "BS" and j2 == "SB":
                return True
            if j1 == "SB" and j2 == "BS":
                return True

        rport1 = GameData.flip(port1)
        c = 0
        match = []
        for i in range(3):
            if rport1[i] == port2[i]:
                match.append(port2[i])
                c += 1
        if c > 1:
            # Remove first match, flip it
            f = GameData.flip(match.pop(0))
            # Verify it is in there.
            # so we're not matching SSS/BBB
            if f in match:
                return True
            return False
        return False

    @staticmethod
    def color_pct(pct: int):
        if pct > 50:
            # green
            return "{0}{1:3}{2}".format(Fore.GREEN, pct, Style.RESET_ALL)
        elif pct > 25:
            return "{0}{1:3}{2}".format(
                merge(Fore.YELLOW + Style.BRIGHT), pct, Style.RESET_ALL
            )
        else:
            return "{0:3}".format(pct)

    @staticmethod
    def port_pct(port: dict):
        # Make sure these exist in the port data given.
        if all(x in port for x in ["fuel", "org", "equ"]):
            return "{0},{1},{2}%".format(
                GameData.color_pct(port["fuel"]["pct"]),
                GameData.color_pct(port["org"]["pct"]),
                GameData.color_pct(port["equ"]["pct"]),
            )
        else:
            return "---,---,---%"

    @staticmethod
    def port_show_part(sector: int, sector_port: dict):
        return "{0:5} ({1}) {2}".format(
            sector, sector_port["port"], GameData.port_pct(sector_port)
        )

    def port_trade_show(self, sector: int, warp: int):
        sector_port = self.ports[sector]
        warp_port = self.ports[warp]
        sector_pct = GameData.port_pct(sector_port)
        warp_pct = GameData.port_pct(warp_port)
        return "{0} \xae\xcd\xaf {1}".format(
            GameData.port_show_part(sector, sector_port),
            GameData.port_show_part(warp, warp_port),
        )

    @staticmethod
    def port_show(sector: int, sector_port: dict, warp: int, warp_port: dict):
        sector_pct = GameData.port_pct(sector_port)
        warp_pct = GameData.port_pct(warp_port)
        return "{0} -=- {1}".format(
            GameData.port_show_part(sector, sector_port),
            GameData.port_show_part(warp, warp_port),
        )