"""
    a standard CRUD template of book
    通过 图书 来实现一套标准的 CRUD 功能，供学习
    :copyright: © 2020 by the Lin team.
    :license: MIT, see LICENSE for more details.
"""

from flask import Blueprint, g
from lin import DocResponse, Success, group_required, login_required, permission_meta

from app.api import AuthorizationBearerSecurity, api
from app.api.v1.exception import BookNotFound
from app.api.v1.model.book import Book
from app.api.v1.schema import BookInSchema, BookOutSchema, BookQuerySearchSchema, BookSchemaList

book_api = Blueprint("book", __name__)


@book_api.route("/<int:id>")
@api.validate(
    resp=DocResponse(BookNotFound, r=BookOutSchema),
    tags=["图书"],
)
def get_book(id):
    """
    获取id指定图书的信息
    """
    book = Book.get(id=id)
    if book:
        return book
    raise BookNotFound


@book_api.route("")
@api.validate(
    resp=DocResponse(r=BookSchemaList),
    tags=["图书"],
)
def get_books():
    """
    获取图书列表
    """
    return Book.get(one=False)


@book_api.route("/search")
@api.validate(
    resp=DocResponse(r=BookSchemaList),
    tags=["图书"],
)
def search(query: BookQuerySearchSchema):
    """
    关键字搜索图书
    """
    return Book.query.filter(Book.title.like("%" + g.q + "%"), Book.is_deleted is False).all()


@book_api.route("", methods=["POST"])
@login_required
@api.validate(
    resp=DocResponse(Success(12)),
    security=[AuthorizationBearerSecurity],
    tags=["图书"],
)
def create_book(json: BookInSchema):
    """
    创建图书
    """
    Book.create(**json.dict(), commit=True)
    return Success(12)


@book_api.route("/<int:id>", methods=["PUT"])
@login_required
@api.validate(
    resp=DocResponse(Success(13)),
    security=[AuthorizationBearerSecurity],
    tags=["图书"],
)
def update_book(id, json: BookInSchema):
    """
    更新图书信息
    """
    book = Book.get(id=id)
    if book:
        book.update(
            id=id,
            **json.dict(),
            commit=True,
        )
        return Success(13)
    raise BookNotFound


@book_api.route("/<int:id>", methods=["DELETE"])
@permission_meta(name="删除图书", module="图书")
@group_required
@api.validate(
    resp=DocResponse(BookNotFound, Success(14)),
    security=[AuthorizationBearerSecurity],
    tags=["图书"],
)
def delete_book(id):
    """
    传入id删除对应图书
    """
    book = Book.get(id=id)
    if book:
        # 删除图书，软删除
        book.delete(commit=True)
        return Success(14)
    raise BookNotFound