from dataclasses import dataclass

import eaapi


class Model:
    def __init__(self, gamecode: str, dest: str, spec: str, rev: str, datecode: str):
        self._gamecode = gamecode
        self._dest = dest
        self._spec = spec
        self._rev = rev
        self._datecode = datecode

    @classmethod
    def from_model_str(cls, model: str) -> "Model":
        return cls(*eaapi.parse_model(model))

    @property
    def gamecode(self):
        return self._gamecode

    @property
    def dest(self):
        return self._dest

    @property
    def spec(self):
        return self._spec

    @property
    def rev(self):
        return self._rev

    @property
    def datecode(self):
        return int(self._datecode)

    @property
    def year(self):
        return int(self._datecode[:4])

    @property
    def month(self):
        return int(self._datecode[4:6])

    @property
    def day(self):
        return int(self._datecode[6:8])

    @property
    def minor(self):
        return int(self._datecode[8:10])

    def __hash__(self):
        return hash(str(self))

    def __eq__(self, other):
        if not isinstance(other, Model):
            return False
        return str(other) == str(self)

    def __str__(self):
        return f"{self.gamecode}:{self.dest}:{self.spec}:{self.rev}:{self.datecode}"

    def __repr__(self):
        return f"<Model {self} at 0x{id(self):016X}>"


@dataclass
class DatecodeMatcher:
    year: int | None = None
    month: int | None = None
    day: int | None = None
    minor: int | None = None

    @classmethod
    def from_str(cls, datecode: str):
        if len(datecode) != 10 or not datecode.isdigit():
            raise ValueError("Not a valid datecode")
        return cls(
            int(datecode[0:4]),
            int(datecode[4:6]),
            int(datecode[6:8]),
            int(datecode[8:10])
        )

    def _num_filters(self):
        num = 0
        if self.year is not None:
            num += 1
        if self.month is not None:
            num += 1
        if self.day is not None:
            num += 1
        if self.minor is not None:
            num += 1
        return num

    def __lt__(self, other):
        if self._num_filters() < other._num_filters():
            return False
        if self.minor is None and other.minor is not None:
            return False
        if self.day is None and other.day is not None:
            return False
        if self.month is None and other.month is not None:
            return False
        if self.year is None and other.year is not None:
            return False
        return True

    def __hash__(self):
        return hash(str(self))

    def __str__(self):
        year = self.year if self.year is not None else "----"
        month = self.month if self.month is not None else "--"
        day = self.day if self.day is not None else "--"
        minor = self.minor if self.minor is not None else "--"
        return f"{year:04}{month:02}{day:02}{minor:02}"

    def matches(self, model):
        if self.year is not None and model.year != self.year:
            return False
        if self.month is not None and model.month != self.month:
            return False
        if self.day is not None and model.day != self.day:
            return False
        if self.minor is not None and model.minor != self.minor:
            return False
        return True


@dataclass
class ModelMatcher:
    gamecode: str | None = None
    dest: str | None = None
    spec: str | None = None
    rev: str | None = None
    datecode: list[DatecodeMatcher] | DatecodeMatcher | None = None

    def _num_filters(self):
        num = 0
        if self.gamecode is not None:
            num += 1
        if self.dest is not None:
            num += 1
        if self.spec is not None:
            num += 1
        if self.rev is not None:
            num += 1
        if isinstance(self.datecode, list):
            num += sum(i._num_filters() for i in self.datecode)
        elif self.datecode is not None:
            num += self.datecode._num_filters()
        return num

    def __lt__(self, other):
        if self._num_filters() < other._num_filters():
            return False
        if self.datecode is None and other.datecode is not None:
            return False
        if self.rev is None and other.rev is not None:
            return False
        if self.spec is None and other.spec is not None:
            return False
        if self.dest is None and other.dest is not None:
            return False
        if self.gamecode is None and other.gamecode is not None:
            return False
        return True

    def __hash__(self):
        return hash(str(self))

    def __str__(self):
        gamecode = self.gamecode if self.gamecode is not None else "---"
        dest = self.dest if self.dest is not None else "-"
        spec = self.spec if self.spec is not None else "-"
        rev = self.rev if self.rev is not None else "-"
        datecode = self.datecode if self.datecode is not None else "-" * 10
        if isinstance(self.datecode, list):
            datecode = "/".join(str(i) for i in self.datecode)
            if not datecode:
                datecode = "-" * 10
        return f"{gamecode:3}:{dest}:{spec}:{rev}:{datecode}"

    def matches(self, model):
        if self.gamecode is not None and model.gamecode != self.gamecode:
            return False
        if self.dest is not None and model.dest != self.dest:
            return False
        if self.spec is not None and model.spec != self.spec:
            return False
        if self.rev is not None and model.rev != self.rev:
            return False
        if isinstance(self.datecode, list):
            return any(i.matches(model) for i in self.datecode)
        if self.datecode is not None:
            return self.datecode.matches(model)
        return True