#  This Source Code Form is subject to the terms of the Mozilla Public
#  License, v. 2.0. If a copy of the MPL was not distributed with this
#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
import os
import re
import uuid
from datetime import datetime
from typing import Optional

import ormar
from ormar import ReferentialAction
from pydantic import BaseModel, Json, validator
from enum import Enum
from . import metadata, database
from .quiztivity import QuizTivityPage
from ..config import server_regex
from sqlalchemy import func


class UserAuthTypes(Enum):
    LOCAL = "LOCAL"
    GOOGLE = "GOOGLE"
    GITHUB = "GITHUB"
    CUSTOM = "CUSTOM"


class User(ormar.Model):
    """
    The user model in the database
    """

    id: uuid.UUID = ormar.UUID(primary_key=True, default=uuid.uuid4())
    email: str = ormar.String(unique=True, max_length=100)
    username: str = ormar.String(unique=True, max_length=100)
    password: Optional[str] = ormar.String(max_length=100, nullable=True)
    verified: bool = ormar.Boolean(default=False)
    verify_key: str = ormar.String(unique=True, max_length=100, nullable=True)
    created_at: datetime = ormar.DateTime(default=datetime.now())
    auth_type: UserAuthTypes = ormar.Enum(enum_class=UserAuthTypes, default=UserAuthTypes.LOCAL)
    google_uid: Optional[str] = ormar.String(unique=True, max_length=255, nullable=True)
    avatar: bytes = ormar.LargeBinary(max_length=25000, represent_as_base64_str=True)
    github_user_id: int | None = ormar.Integer(nullable=True)
    require_password: bool = ormar.Boolean(default=True, nullable=False)
    backup_code: str = ormar.String(max_length=64, min_length=64, nullable=False, default=os.urandom(32).hex())
    totp_secret: str = ormar.String(max_length=32, min_length=32, nullable=True, default=None)
    storage_used: int = ormar.BigInteger(nullable=False, default=0, minimum=0)

    class Meta:
        tablename = "users"
        metadata = metadata
        database = database

    class Config:
        use_enum_values = True


class FidoCredentials(ormar.Model):
    pk: int = ormar.Integer(autoincrement=True, primary_key=True)
    id: bytes = ormar.LargeBinary(max_length=256)
    public_key: bytes = ormar.LargeBinary(max_length=256)
    sign_count: int = ormar.Integer()
    user: Optional[User] = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)

    class Meta:
        tablename = "fido_credentials"
        metadata = metadata
        database = database


class ApiKey(ormar.Model):
    key: str = ormar.String(max_length=48, min_length=48, primary_key=True)
    user: Optional[User] = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)

    class Meta:
        tablename = "api_keys"
        metadata = metadata
        database = database


class UserSession(ormar.Model):
    """
    The user session model for user-sessions
    """

    id: uuid.UUID = ormar.UUID(primary_key=True, default=uuid.uuid4())
    user: Optional[User] = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)
    session_key: str = ormar.String(unique=True, max_length=64)
    created_at: datetime = ormar.DateTime(default=datetime.now())
    ip_address: str = ormar.String(max_length=100, nullable=True)
    user_agent: str = ormar.String(max_length=255, nullable=True)
    last_seen: datetime = ormar.DateTime(default=datetime.now())

    class Meta:
        tablename = "user_sessions"
        metadata = metadata
        database = database


class ABCDQuizAnswer(BaseModel):
    right: bool
    answer: str
    color: str | None


class RangeQuizAnswer(BaseModel):
    min: int
    max: int
    min_correct: int
    max_correct: int


class VotingQuizAnswer(BaseModel):
    answer: str
    image: str | None = None
    color: str | None


class QuizQuestionType(str, Enum):
    ABCD = "ABCD"
    RANGE = "RANGE"
    VOTING = "VOTING"
    SLIDE = "SLIDE"
    TEXT = "TEXT"
    ORDER = "ORDER"
    CHECK = "CHECK"


class TextQuizAnswer(BaseModel):
    answer: str
    case_sensitive: bool


class QuizQuestion(BaseModel):
    question: str
    time: str  # in Secs
    type: None | QuizQuestionType = QuizQuestionType.ABCD
    answers: list[ABCDQuizAnswer] | RangeQuizAnswer | list[TextQuizAnswer] | list[VotingQuizAnswer] | str
    image: str | None = None

    @validator("answers")
    def answers_not_none_if_abcd_type(cls, v, values):
        if values["type"] == QuizQuestionType.ABCD and type(v[0]) != ABCDQuizAnswer:
            raise ValueError("Answers can't be none if type is ABCD")
        if values["type"] == QuizQuestionType.RANGE and type(v) != RangeQuizAnswer:
            raise ValueError("Answer must be from type RangeQuizAnswer if type is RANGE")
        if values["type"] == QuizQuestionType.VOTING and type(v[0]) != VotingQuizAnswer:
            raise ValueError("Answer must be from type VotingQuizAnswer if type is VOTING")
        if values["type"] == QuizQuestionType.TEXT and type(v[0]) != TextQuizAnswer:
            raise ValueError("Answer must be from type TextQuizAnswer if type is TEXT")
        if values["type"] == QuizQuestionType.ORDER and type(v[0]) != VotingQuizAnswer:
            raise ValueError("Answer must be from type VotingQuizAnswer if type is ORDER")
        if values["type"] == QuizQuestionType.SLIDE and type(v[0]) != str:
            raise ValueError("Answer must be from type SlideElement if type is SLIDE")
        if values["type"] == QuizQuestionType.CHECK and type(v[0]) != ABCDQuizAnswer:
            raise ValueError("Answers can't be none if type is CHECK")
        return v


class QuizInput(BaseModel):
    public: bool = False
    title: str
    description: str
    cover_image: str | None
    background_color: str | None
    questions: list[QuizQuestion]
    background_image: str | None

    @validator("background_image")
    def must_come_from_local_cdn(cls, v):
        if v is None:
            return v
        elif bool(re.match(server_regex, v)):
            return v
        else:
            raise ValueError("does not match url scheme")


class Quiz(ormar.Model):
    id: uuid.UUID = ormar.UUID(primary_key=True, default=uuid.uuid4(), nullable=False, unique=True)
    public: bool = ormar.Boolean(default=False)
    title: str = ormar.Text()
    description: str = ormar.Text(nullable=True)
    created_at: datetime = ormar.DateTime(default=datetime.now())
    updated_at: datetime = ormar.DateTime(default=datetime.now())
    user_id: uuid.UUID = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)
    questions: Json[list[QuizQuestion]] = ormar.JSON(nullable=False)
    imported_from_kahoot: Optional[bool] = ormar.Boolean(default=False, nullable=True)
    cover_image: Optional[str] = ormar.Text(nullable=True, unique=False)
    background_color: str | None = ormar.Text(nullable=True, unique=False)
    background_image: str | None = ormar.Text(nullable=True, unique=False)
    kahoot_id: uuid.UUID | None = ormar.UUID(nullable=True, default=None)

    @validator("background_image")
    def must_come_from_local_cdn(cls, v):
        if v is None:
            return v
        elif bool(re.match(server_regex, v)):
            return v
        else:
            raise ValueError("does not match url scheme")

    class Meta:
        tablename = "quiz"
        metadata = metadata
        database = database


class InstanceData(ormar.Model):
    instance_id: uuid.UUID = ormar.UUID(primary_key=True, default=uuid.uuid4(), nullable=False, unique=True)

    class Meta:
        tablename = "instance_data"
        metadata = metadata
        database = database


class Token(BaseModel):
    """
    For JWT
    """

    access_token: str
    token_type: str


class TokenData(BaseModel):
    """
    For JWT
    """

    email: str | None = None


class PlayGame(BaseModel):
    quiz_id: uuid.UUID | str
    description: str
    user_id: uuid.UUID
    title: str
    questions: list[QuizQuestion]
    game_id: uuid.UUID
    game_pin: str
    started: bool = False
    captcha_enabled: bool = False
    cover_image: str | None
    game_mode: str | None
    current_question: int = -1
    background_color: str | None
    background_image: str | None
    custom_field: str | None
    question_show: bool = False


class GamePlayer(BaseModel):
    username: str
    sid: str | None


class GameAnswer2(BaseModel):
    username: str
    right: bool
    answer: str


class GameAnswer1(BaseModel):
    id: int
    answers: list[GameAnswer2]


class GameSession(BaseModel):
    admin: str
    game_id: str
    # players: list[GamePlayer | None]
    answers: list[GameAnswer1 | None]


class UpdatePassword(BaseModel):
    old_password: str
    new_password: str


class AnswerData(BaseModel):
    username: str
    answer: str
    right: bool
    time_taken: float  # In milliseconds
    score: int


class AnswerDataList(BaseModel):
    # Just a method to make a top-level list
    __root__: list[AnswerData]


class GameInLobby(BaseModel):
    game_pin: str
    quiz_title: str
    game_id: uuid.UUID


# skipcq: PY-W0069
# class UserProfileLinks(ormar.Model):
#     id: int = ormar.Integer(primary_key=True, autoincrement=True)
#     user: Optional[User] = ormar.ForeignKey(User)
#     github_username: str | None = ormar.Text(nullable=True)
#     reddit_username: str | None = ormar.Text(nullable=True)
#     kahoot_user_id: str | None = ormar.Text(nullable=True)


class GameResults(ormar.Model):
    id: uuid.UUID = ormar.UUID(primary_key=True)
    quiz: uuid.UUID | Quiz = ormar.ForeignKey(Quiz, ondelete=ReferentialAction.CASCADE)
    user: uuid.UUID | User = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)
    timestamp: datetime = ormar.DateTime(default=datetime.now(), nullable=False)
    player_count: int = ormar.Integer(nullable=False, default=0)
    note: str | None = ormar.Text(nullable=True)
    answers: Json[list[AnswerData]] = ormar.JSON(True)
    player_scores: Json[dict[str, str]] = ormar.JSON(nullable=True)
    custom_field_data: Json[dict[str, str]] | None = ormar.JSON(nullable=True)
    title: str = ormar.Text(nullable=False)
    description: str = ormar.Text(nullable=False)
    questions: Json[list[QuizQuestion]] = ormar.JSON(nullable=False)

    class Meta:
        tablename = "game_results"
        metadata = metadata
        database = database


class QuizTivityInput(BaseModel):
    title: str
    pages: list[QuizTivityPage]


class QuizTivity(ormar.Model):
    id: uuid.UUID = ormar.UUID(primary_key=True)
    title: str = ormar.Text(nullable=False)
    created_at: datetime = ormar.DateTime(nullable=False, server_default=func.now())
    user: User | None = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)
    pages: list[QuizTivityPage] = ormar.JSON(nullable=False)

    class Meta:
        tablename = "quiztivitys"
        metadata = metadata
        database = database


class QuizTivityShare(ormar.Model):
    id: uuid.UUID = ormar.UUID(primary_key=True)
    name: str | None = ormar.Text(nullable=True)
    expire_at: datetime | None = ormar.DateTime(nullable=True)
    quiztivity: QuizTivity | None = ormar.ForeignKey(QuizTivity, ondelete=ReferentialAction.CASCADE)
    user: User | None = ormar.ForeignKey(User, ondelete=ReferentialAction.CASCADE)

    class Meta:
        tablename = "quiztivityshares"
        metadata = metadata
        database = database


class OnlyId(BaseModel):
    id: uuid.UUID


class PublicQuizTivityShare(BaseModel):
    id: uuid.UUID
    name: str | None
    expire_in: int | None
    quiztivity: OnlyId
    user: OnlyId

    @classmethod
    def from_db_model(cls, data: QuizTivityShare):
        expire_in = None
        if data.expire_at is not None:
            expire_in = int((data.expire_at - datetime.now()).seconds / 60)
        return cls(
            id=data.id,
            name=data.name,
            expire_in=expire_in,
            quiztivity=OnlyId(id=data.quiztivity.id),
            user=OnlyId(id=data.user.id),
        )


class StorageItem(ormar.Model):
    id: uuid.UUID = ormar.UUID(primary_key=True)
    uploaded_at: datetime = ormar.DateTime(nullable=False, default=datetime.now())
    mime_type: str = ormar.Text(nullable=False)
    hash: bytes | None = ormar.LargeBinary(nullable=True, min_length=16, max_length=16)
    user: User | None = ormar.ForeignKey(User, ondelete=ReferentialAction.SET_NULL)
    size: int = ormar.BigInteger(nullable=False)
    storage_path: str | None = ormar.Text(nullable=True)
    deleted_at: datetime | None = ormar.DateTime(nullable=True, default=None)
    quiztivities: list[QuizTivity] | None = ormar.ManyToMany(QuizTivity)
    quizzes: list[Quiz] | None = ormar.ManyToMany(Quiz)
    alt_text: str | None = ormar.Text(default=None, nullable=True)
    filename: str | None = ormar.Text(default=None, nullable=True)
    thumbhash: str | None = ormar.Text(default=None, nullable=True)
    server: str | None = ormar.Text(default=None, nullable=True)
    imported: bool = ormar.Boolean(default=False, nullable=True)

    class Meta:
        tablename = "storage_items"
        metadata = metadata
        database = database


class PublicStorageItem(BaseModel):
    id: uuid.UUID
    uploaded_at: datetime
    mime_type: str
    hash: str | None
    size: int
    deleted_at: datetime | None
    alt_text: str | None
    filename: str | None
    thumbhash: str | None
    server: str | None
    imported: bool

    @classmethod
    def from_db_model(cls, data: StorageItem):
        hash_data = None
        if data.hash is not None:
            hash_data = data.hash.hex()
        return cls(
            id=data.id,
            uploaded_at=data.uploaded_at,
            mime_type=data.mime_type,
            hash=hash_data,
            size=data.size,
            deleted_at=data.deleted_at,
            alt_text=data.alt_text,
            filename=data.filename,
            thumbhash=data.thumbhash,
            server=data.server,
            imported=data.imported,
        )


class PrivateStorageItem(PublicStorageItem):
    quizzes: list[OnlyId]
    quiztivities: list[OnlyId]

    @classmethod
    def from_db_model(cls, data: StorageItem):
        hash_data = None
        if data.hash is not None:
            hash_data = data.hash.hex()
        quiztivities = []
        quizzes = []
        for quiz in data.quizzes:
            quizzes.append(OnlyId(id=quiz.id))
        for quiztivity in data.quiztivities:
            quiztivities.append(OnlyId(id=quiztivity.id))
        return cls(
            id=data.id,
            uploaded_at=data.uploaded_at,
            mime_type=data.mime_type,
            hash=hash_data,
            size=data.size,
            deleted_at=data.deleted_at,
            alt_text=data.alt_text,
            filename=data.filename,
            quiztivities=quiztivities,
            quizzes=quizzes,
            thumbhash=data.thumbhash,
            server=data.server,
            imported=data.imported,
        )


class UpdateStorageItem(BaseModel):
    filename: str
    alt_text: str