import tempfile
from pathlib import Path

from flask_fatima import create_app, load_yaml_config, log_database_summary

URL_PREFIX = "/fatima"


def url(path="/"):
    return f"{URL_PREFIX}{path}"


def client(url_prefix=URL_PREFIX):
    database = tempfile.NamedTemporaryFile(suffix=".sqlite")
    app = create_app({
        "TESTING": True,
        "SECRET_KEY": "test-secret",
        "APP_USERNAME": "user",
        "APP_PASSWORD": "pass",
        "DATABASE": database.name,
        "URL_PREFIX": url_prefix,
    })
    test_client = app.test_client()
    test_client._database_file = database
    return test_client


def test_calendar_requires_login():
    response = client().get(url())
    assert response.status_code == 302
    assert response.headers["Location"].endswith(url("/login"))


def test_database_summary_is_appended_to_log(capsys):
    test_client = client()
    with tempfile.TemporaryDirectory() as directory:
        log_path = Path(directory) / "fatima.log"
        log_database_summary(test_client.application.config["DATABASE"], log_path)

        logged = log_path.read_text(encoding="utf-8")
        assert "Fatima database:" in logged
        assert f"path={test_client.application.config['DATABASE']}" in logged
        assert "amounts=0 | statuses=0 | recorded_dates=0" in logged
        assert "Fatima database:" in capsys.readouterr().out


def test_database_path_is_resolved_relative_to_config_file():
    with tempfile.TemporaryDirectory() as directory:
        config_path = Path(directory) / "production.yaml"
        config_path.write_text(
            """
flask:
  secret_key: test-secret
  database: data/calendar.sqlite
auth:
  username: user
  password: pass
""",
            encoding="utf-8",
        )

        config = load_yaml_config(config_path)
        assert config["DATABASE"] == str(
            (Path(directory) / "data" / "calendar.sqlite").resolve()
        )


def test_prefix_applies_to_generated_links_and_unprefixed_routes_are_rejected():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    page = test_client.get(url())

    assert b'href="/fatima/static/styles.css"' in page.data
    assert b'src="/fatima/static/calendar.js"' in page.data
    assert b'data-save-url="/fatima/api/choices"' in page.data
    assert b'href="/fatima/report"' in page.data
    assert page.data.index(b'class="report-button"') < page.data.index(b'class="today-button"')
    assert test_client.get("/").status_code == 404


def test_url_prefix_is_configurable_and_can_be_disabled():
    custom_client = client("/calendar")
    response = custom_client.get("/calendar/")
    assert response.headers["Location"].endswith("/calendar/login")
    assert custom_client.get(url()).status_code == 404

    root_client = client("")
    assert root_client.get("/").headers["Location"].endswith("/login")


def test_login_and_logout():
    test_client = client()
    response = test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    assert response.status_code == 302
    assert response.headers["Location"].endswith(url())
    assert test_client.get(url()).status_code == 200
    assert test_client.post(url("/logout")).headers["Location"].endswith(url("/login"))


def test_bad_login_shows_error():
    response = client().post(url("/login"), data={"username": "user", "password": "wrong"})
    assert response.status_code == 200
    assert b"not correct" in response.data


def test_login_uses_wwwsuynl_logo():
    response = client().get(url("/login"))

    assert b'src="/fatima/static/wwwsuynl.png"' in response.data
    assert b'href="/fatima/static/wwwsuynl.png"' in response.data
    assert b'alt="www.suy.nl"' in response.data


def test_choice_is_saved_and_rendered():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    response = test_client.post(url("/api/choices"), json={"date": "2026-07-15", "amount": "27.50"})
    assert response.status_code == 200
    assert response.json["amount_cents"] == 2750
    assert b'"2026-07-15": 2750' in test_client.get(url()).data


def test_choice_rejects_invalid_amount():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    response = test_client.post(url("/api/choices"), json={"date": "2026-07-15", "amount": "-1"})
    assert response.status_code == 400


def test_day_status_is_saved_and_rendered():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    response = test_client.post(
        url("/api/statuses"),
        json={"date": "2026-07-15", "status": "vacation"},
    )
    assert response.status_code == 200
    assert response.json["status"] == "vacation"
    assert b'"2026-07-15": "vacation"' in test_client.get(url()).data


def test_day_status_rejects_unknown_value():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    response = test_client.post(
        url("/api/statuses"),
        json={"date": "2026-07-15", "status": "elsewhere"},
    )
    assert response.status_code == 400


def test_delete_removes_amount_and_status():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    test_client.post(url("/api/choices"), json={"date": "2026-07-15", "amount": "55"})
    test_client.post(url("/api/statuses"), json={"date": "2026-07-15", "status": "sick"})

    response = test_client.post(url("/api/delete-date"), json={"date": "2026-07-15"})
    assert response.status_code == 200
    assert response.json["deleted"] is True
    page = test_client.get(url()).data
    assert b'"2026-07-15": 5500' not in page
    assert b'"2026-07-15": "sick"' not in page


def test_report_groups_money_and_days_by_status():
    from datetime import date

    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    year = date.today().year
    worked_date = f"{year}-01-10"
    vacation_date = f"{year}-02-10"
    test_client.post(url("/api/choices"), json={"date": worked_date, "amount": "55"})
    test_client.post(url("/api/choices"), json={"date": vacation_date, "amount": "27.50"})
    test_client.post(url("/api/statuses"), json={"date": vacation_date, "status": "vacation"})

    response = test_client.get(url("/report"))
    assert response.status_code == 200
    assert b"\xe2\x82\xac55.00" in response.data
    assert b"\xe2\x82\xac27.50" in response.data
    assert b"2 recorded days" in response.data


def test_report_can_navigate_to_another_year():
    test_client = client()
    test_client.post(url("/login"), data={"username": "user", "password": "pass"})
    response = test_client.get(url("/report?year=2025"))
    assert response.status_code == 200
    assert b"2025 report" in response.data
    assert b"year=2024" in response.data
    assert b"year=2026" in response.data