from random import choice, randint

from faker import Faker

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

faker = Faker()


def build_tribes(quantity: int = 1):
    return [Tribe(name=faker.words(5), level=faker.words(5)) for _ in range(quantity)]


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

    assessments = []
    for t in tribes:
        assessments += [
            Assessment("faker.words(5)", t, randint(1, 3))
            for _ in range(assessment_per_tribe)
        ]

    return assessments


def build_exercises(assessments: list[Assessment], exercise_per_assessment=1):
    exercises = []
    for assessment in assessments:
        exercises += [
            Exercise("faker.words(4)", assessment, "today")
            for _ in range(exercise_per_assessment)
        ]

    return exercises


def build_skills(quantity=1):
    return [Skill(faker.words(6), faker.text()) for _ in range(quantity)]


def build_domains(quantity=1):
    return [Domain(faker.words(6), faker.text()) for _ in range(quantity)]


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

    questions = []
    for exercise in exercises:
        questions += [
            Question(
                faker.words(2),
                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


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")