from flask import make_response, request
from sqlalchemy import not_

from ki.models import Address, Contact, ContactType, User, Profile, ProfileSkill, Skill
from app import db


def update_address(profile, address_data):
    address = profile.address

    if (address is None):
        address = Address(profile=profile)
        db.session.add(address)

    address.name = address_data.get("name", "")
    address.street = address_data.get("street", "")
    address.house_number = address_data.get("house_number", "")
    address.additional = address_data.get("additional", "")
    address.postcode = address_data.get("postcode", "")
    address.city = address_data.get("city", "")
    address.country = address_data.get("country", "")


def update_skills(profile, skills_data):
    profile_skill_ids = []

    for skill_data in skills_data:
        skill_name = skill_data["skill"]["name"]
        skill = Skill.query.filter(Skill.name == skill_name).first()

        if (skill is None):
            skill = Skill(name=skill_name)
            db.session.add(skill)

        profile_skill = ProfileSkill.query.filter(ProfileSkill.profile == profile, ProfileSkill.skill == skill).first()

        if (profile_skill is None):
            profile_skill = ProfileSkill(profile=profile, skill=skill)
            db.session.add(profile_skill)

        profile_skill.level = skill_data["level"]
        profile_skill_ids.append(skill.id)

    ProfileSkill.query.filter(ProfileSkill.profile == profile,
                              not_(ProfileSkill.skill_id.in_(profile_skill_ids))).delete()


def update_contacts(profile, contacts_data):
    contact_ids_to_be_deleted = list(map(lambda c: c.id, profile.contacts))

    for contact_data in contacts_data:
        contacttype_name = contact_data["contacttype"]["name"]
        contacttype = ContactType.query.filter(ContactType.name == contacttype_name).first()

        if (contacttype is None):
            contacttype = ContactType(name=contacttype_name)
            db.session.add(contacttype)

        if "id" in contact_data:
            contact_id = int(contact_data["id"])
            contact_ids_to_be_deleted.remove(contact_id)
            contact = Contact.query.get(contact_id)
        else:
            contact = Contact(profile=profile, contacttype=contacttype)
            db.session.add(contact)

        contact.contacttype_id = contacttype.id
        contact.content = contact_data["content"]

    Contact.query.filter(Contact.id.in_(contact_ids_to_be_deleted)).delete()


def update_profile(user_id: int):
    user = User.query.get(user_id)

    if user is None:
        return make_response({}, 404)

    profile = user.profile

    if (profile is None):
        profile = Profile(user=user, nickname=user.auth_id)
        db.session.add(profile)

    profile.pronouns = request.json.get("pronouns", "")
    profile.volunteerwork = request.json.get("volunteerwork", "")
    profile.freetext = request.json.get("freetext", "")

    update_address(profile, request.json.get("address", {}))
    update_contacts(profile, request.json.get("contacts", {}))
    update_skills(profile, request.json.get("skills", {}))

    db.session.commit()

    return make_response({"profile": profile.to_dict()})