from random import choice, randint

from faker import Faker
from faker.providers import DynamicProvider

from backend.model.assessment import Assessment, Domain, Exercise, Question, Skill
from backend.model.student import Student
from backend.model.tribe import Tribe
from backend.repository.abstract_repository import AbstractRepository

level_provider = DynamicProvider(
    provider_name="level",
    elements=["2nd", "1ST", "SNT", "1G", "TG", "EnsSci"],
)

faker = Faker("fr_FR")
faker.add_provider(level_provider)


def build_tribes(quantity: int = 1) -> list[Tribe]:
    return [Tribe(name=faker.word(), level=faker.level()) for _ in range(quantity)]


def build_assessments(
    tribes: list[Tribe], assessment_per_tribe: int = 1
) -> list[Assessment]:

    assessments = []
    for t in tribes:
        assessments += [
            Assessment("faker.word()", t, randint(1, 3))
            for _ in range(assessment_per_tribe)
        ]

    return assessments


def build_exercises(
    assessments: list[Assessment], exercise_per_assessment=1
) -> list[Exercise]:
    exercises = []
    for assessment in assessments:
        exercises += [
            Exercise("faker.word()", assessment, "today")
            for _ in range(exercise_per_assessment)
        ]

    return exercises


def build_skills(quantity=1) -> list[Skill]:
    return [Skill(faker.word(), faker.text()) for _ in range(quantity)]


def build_domains(quantity=1) -> list[Domain]:
    return [Domain(faker.word(), faker.text()) for _ in range(quantity)]


def build_questions(
    exercises: list[Exercise],
    question_per_exercise=1,
) -> list[Question]:
    skills = build_skills()
    domains = build_domains()

    questions = []
    for exercise in exercises:
        questions += [
            Question(
                faker.word(),
                exercise,
                description="desc",
                skill=choice(skills),
                domain=choice(domains),
                is_leveled=choice([True, False]),
                scale=randint(1, 20),
            )
            for _ in range(question_per_exercise)
        ]

    return questions


def build_student(
    tribes: list[Tribe],
    students_per_tribe=1,
) -> list[Student]:
    students = []
    for tribe in tribes:
        students += [
            Student(name=faker.name(), tribe=tribe) for _ in range(students_per_tribe)
        ]
    return students


class FakeTribeRepository(AbstractRepository):
    def __init__(self, tribes):
        self._tribes = {t.name: t for t in tribes}

    def add(self, tribe):
        if tribe.name not in self._tribes.keys():
            self._tribes[tribe.name] = tribe
        raise KeyError(f"{tribe} already exists")

    def update(self, name, tribe):
        try:
            self._tribes.pop(name)
            self._tribes[tribe.name] = tribe
        except KeyError:
            raise KeyError(f"The tribe {tribe} does not exists")

    def list(self):
        return list(self._tribes.values())

    def get(self, name):
        try:
            return self._tribes[name]
        except KeyError:
            raise KeyError(f"The tribe {tribe} does not exists")

    def delete(self, name):
        try:
            self._tribes.pop(name)
        except KeyError:
            raise KeyError(f"The tribe {tribe} does not exists")