"""Tests for physical reporting product detail handler."""
import json
from unittest.mock import MagicMock

import pytest

from reporting.logic import physical_reporting as pr

VENDOR_IDS = [1001, 1002]
PRODUCT_DETAIL_URL = '/physical-reporting/product-detail'
PRODUCT_DETAIL_RESULT = [
    {
        'label_nm': 'Fat Wreck Chords',
        'subacct_nm': 'Fat Wreck Chords',
        'artist_nm': 'Good Riddance',
        'product_nm': 'Peace in Our Time',
        'product_cd': '709422',
        'upc_cd': 751097094228,
        'display_configuration': '1 x CD Album',
        'status_nm': 'Active Catalog',
        'release_dt': '2015-04-21',
        'exclusive_for': '',
        'price_cd': 9,
        'series_cd': 13.98,
        'units_per_set': 1,
        'genre_nm': 'Punk',
        'subgenre_nm': 'Punk',
        'order_qt': 500,
        'back_order_qt': 0,
        'yest_ship_qt': 150,
        'mtd_ship_qt': 206,
        'ytd_ship_qt': 50,
        'rtd_ship_qt': 8495,
        'yest_return_qt': 0,
        'mtd_return_qt': 0,
        'ytd_return_qt': -5,
        'rtd_return_qt': -1395,
        'yest_net_qt': 150,
        'mtd_net_qt': 206,
        'ytd_net_qt': 45,
        'rtd_net_qt': 7100,
        'order_am': 4500.0,
        'back_order_am': 0.0,
        'yest_ship_am': 1200.0,
        'mtd_ship_am': 1844.82,
        'ytd_ship_am': 396.45,
        'rtd_ship_am': 72375.3,
        'yest_return_am': 0.0,
        'mtd_return_am': 0.0,
        'ytd_return_am': -45.0,
        'rtd_return_am': -11635.2,
        'yest_net_am': 1200.0,
        'mtd_net_am': 1844.82,
        'ytd_net_am': 351.45,
        'rtd_net_am': 60740.1,
        'vendor_id': 1001,
        'subacct_id': 7483,
    },
]


def test_physical_reporting_product_detail_success(client, monkeypatch):
    """Test product detail handler returns 200 with results."""
    monkeypatch.setattr(
        pr,
        'get_product_detail',
        value=MagicMock(return_value={'results': PRODUCT_DETAIL_RESULT}),
    )
    result = client.post(PRODUCT_DETAIL_URL, json={'vendor_ids': VENDOR_IDS})
    assert result.status_code == 200
    body = json.loads(result.data)
    assert body == {'results': PRODUCT_DETAIL_RESULT}
    pr.get_product_detail.assert_called_once_with(VENDOR_IDS, None)


def test_physical_reporting_product_detail_with_subacct_ids(
    client, monkeypatch
):
    """Test product detail passes subacct_ids to logic when provided."""
    monkeypatch.setattr(
        pr,
        'get_product_detail',
        value=MagicMock(return_value={'results': PRODUCT_DETAIL_RESULT}),
    )
    result = client.post(
        PRODUCT_DETAIL_URL,
        json={'vendor_ids': VENDOR_IDS, 'subacct_ids': [7483, 7484]},
    )
    assert result.status_code == 200
    body = json.loads(result.data)
    assert body == {'results': PRODUCT_DETAIL_RESULT}
    pr.get_product_detail.assert_called_once_with(VENDOR_IDS, [7483, 7484])


def test_physical_reporting_product_detail_empty_results(client, monkeypatch):
    """Test product detail handler returns 200 with empty list."""
    monkeypatch.setattr(
        pr,
        'get_product_detail',
        value=MagicMock(return_value={'results': []}),
    )
    result = client.post(PRODUCT_DETAIL_URL, json={'vendor_ids': VENDOR_IDS})
    assert result.status_code == 200
    body = json.loads(result.data)
    assert body == {'results': []}
    pr.get_product_detail.assert_called_once_with(VENDOR_IDS, None)


def test_physical_reporting_product_detail_exception(client, monkeypatch):
    """Test product detail handler returns 500 on exception."""
    monkeypatch.setattr(
        pr,
        'get_product_detail',
        value=MagicMock(side_effect=Exception('DB connection failed')),
    )
    result = client.post(PRODUCT_DETAIL_URL, json={'vendor_ids': VENDOR_IDS})
    assert result.status_code == 500


@pytest.mark.parametrize(
    'payload',
    [
        pytest.param({'vendor_ids': []}, id='empty vendor_ids'),
        pytest.param({}, id='missing vendor_ids'),
        pytest.param({'vendor_ids': None}, id='null vendor_ids'),
    ],
)
def test_physical_reporting_product_detail_invalid_input(
    client, monkeypatch, payload
):
    """Test returns 400 for invalid vendor_ids."""
    mock_logic = MagicMock()
    monkeypatch.setattr(pr, 'get_product_detail', value=mock_logic)
    result = client.post(PRODUCT_DETAIL_URL, json=payload)
    assert result.status_code == 400
    body = json.loads(result.data)
    assert body['code'] == 'bad_request'
    assert 'vendor_ids' in body['message']
    mock_logic.assert_not_called()