import datetime as dt
from unittest import mock

import pytest

from news.app import get_articles, get_sources, add_source, get_source, delete_source, add_article, get_article, \
    delete_article
from news.models import NewsArticle, NewsSource, Category, Tag


# Sources

def test_get_empty__news_sources(rb_session):
    result = get_sources(rb_session)
    assert 200 == result.status
    assert [] == result.content


def test_get_news_sources(rb_session):
    test_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )
    rb_session.add(test_source)
    rb_session.flush()

    result = get_sources(rb_session)
    assert 200 == result.status
    assert 1 == len(result.content)


def test_add_news_source(rb_session, router):
    test_source = {
        'source_name': 'TEST',
        'source_type': 'website',
        'url': 'http://money.test.com'
    }

    result = add_source(rb_session, test_source, router)
    assert 201 == result.status
    assert 'location' in result.headers.keys()


def test_add_news_source_error(rb_session, router):
    """Testing with missing required field"""
    test_source = {
        'source_type': 'website',
        'url': 'http://money.test.com'
    }

    result = add_source(rb_session, test_source, router)
    print(result.headers)
    assert 400 == result.status


def test_get_news_source_by_id(rb_session):
    test_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )
    rb_session.add(test_source)
    rb_session.flush()

    result = get_source(rb_session, 1)

    assert 200 == result.status


def test_get_news_source_404_error(rb_session):
    test_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )
    rb_session.add(test_source)
    rb_session.flush()

    result = get_source(rb_session, 2)

    assert 404 == result.status


def test_delete_news_source(rb_session):
    test_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )
    rb_session.add(test_source)
    rb_session.flush()

    result = delete_source(rb_session, 1)

    assert 200 == result.status


def test_delete_news_source_404(rb_session):
    test_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )
    rb_session.add(test_source)
    rb_session.flush()

    result = delete_source(rb_session, 2)

    assert 404 == result.status


# Articles

def test_get_empty_news_articles(rb_session):
    result = get_articles(rb_session)
    assert 200 == result.status
    assert [] == result.content


def test_get_news_articles(rb_session):
    source = NewsSource(url='http://money.test.com',
                        source_name='TEST',
                        source_type='website',
                        categories=[Category(category_name='finance')]
                        )

    article = NewsArticle(url='http://money.test.com/article',
                          title='article',
                          authors=['drew', 'jesse'],
                          published_date=dt.datetime.utcnow(),
                          news_blob='article content',
                          news_source=source,
                          tags=[Tag(tag_name='article')]
                          )

    rb_session.add(article)
    rb_session.flush()

    result = get_articles(rb_session)
    assert 200 == result.status
    assert 1 == len(result.content)


def test_add_news_article(rb_session, router):
    news_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )

    rb_session.add(news_source)
    rb_session.flush()

    news_article_data = {
        "news_source_id": 1,
        "url": "http://money.test.com/article",
        "title": "article",
        "authors": ["drew", "jesse"],
        "published_date": dt.datetime.utcnow(),
        "news_blob": "Here's all the great content"
    }

    result = add_article(rb_session, news_article_data, router)

    assert 201 == result.status


def test_add_news_article_error(rb_session, router):
    """Testing with missing required field"""
    news_source = NewsSource(url='http://money.test.com',
                             source_name='TEST',
                             source_type='website',
                             categories=[Category(category_name='finance')]
                             )

    rb_session.add(news_source)
    rb_session.flush()

    news_article_data = {
        "news_source_id": 1,
        "title": "article",
        "authors": ["drew", "jesse"],
        "published_date": dt.datetime.utcnow(),
        "news_blob": "Here's all the great content"
    }

    result = add_article(rb_session, news_article_data, router)

    assert 400 == result.status


def test_get_article_by_id(rb_session):
    source = NewsSource(url='http://money.test.com',
                        source_name='TEST',
                        source_type='website',
                        categories=[Category(category_name='finance')]
                        )

    article = NewsArticle(url='http://money.test.com/article',
                          title='article',
                          authors=['drew', 'jesse'],
                          published_date=dt.datetime.utcnow(),
                          news_blob='article content',
                          news_source=source,
                          tags=[Tag(tag_name='article')]
                          )

    rb_session.add(article)
    rb_session.flush()

    result = get_article(rb_session, 1)

    assert 200 == result.status


def test_delete_article_by_id(rb_session):
    source = NewsSource(url='http://money.test.com',
                        source_name='TEST',
                        source_type='website',
                        categories=[Category(category_name='finance')]
                        )

    article = NewsArticle(url='http://money.test.com/article',
                          title='article',
                          authors=['drew', 'jesse'],
                          published_date=dt.datetime.utcnow(),
                          news_blob='article content',
                          news_source=source,
                          tags=[Tag(tag_name='article')]
                          )

    rb_session.add(article)
    rb_session.flush()

    result = delete_article(rb_session, 1)

    assert 200 == result.status


def test_delete_article_404(rb_session):
    source = NewsSource(url='http://money.test.com',
                        source_name='TEST',
                        source_type='website',
                        categories=[Category(category_name='finance')]
                        )

    article = NewsArticle(url='http://money.test.com/article',
                          title='article',
                          authors=['drew', 'jesse'],
                          published_date=dt.datetime.utcnow(),
                          news_blob='article content',
                          news_source=source,
                          tags=[Tag(tag_name='article')]
                          )

    rb_session.add(article)
    rb_session.flush()

    result = delete_article(rb_session, 2)

    assert 404 == result.status