from datetime import datetime

import dashboard


def _make_app():
    return dashboard.create_app(
        get_state=lambda: {
            "running": True,
            "started_at": datetime(2026, 1, 1, 10, 0, 0),
            "last_type": "420",
            "last_attempt_at": datetime(2026, 1, 1, 10, 15, 0),
            "last_success_at": datetime(2026, 1, 1, 10, 20, 0),
            "last_status_code": 204,
            "last_error": None,
            "last_locations": ["Nowhere"],
        },
        get_next_event=lambda: {
            "type": "reminder",
            "at": datetime(2026, 1, 1, 11, 15, 0),
        },
    )


def test_fmt_dt_none_and_datetime():
    assert dashboard._fmt_dt(None) == "—"
    assert dashboard._fmt_dt(
        datetime(2026, 1, 1, 10, 0, 0)) == "2026-01-01T10:00:00"


def test_get_html_template_wraps_content():
    html = dashboard.get_html_template("<p>hello</p>")
    assert "<title>thc-webhook admin</title>" in html
    assert "<p>hello</p>" in html


def test_index_route_renders_status_page():
    app = _make_app()
    client = app.test_client()

    response = client.get("/")

    assert response.status_code == 200
    body = response.get_data(as_text=True)
    assert "thc-webhook" in body
    assert "last_type: 420" in body
    assert "type: reminder" in body
    assert "Nowhere" in body


def test_admin_get_renders_template_form(monkeypatch):
    monkeypatch.setattr(
        dashboard,
        "load_templates",
        lambda path: {
            "420": {
                "text": "Blaze",
                "color": 3066993,
                "image_url": "https://example.com/img.png",
            }
        },
    )

    app = _make_app()
    app.config["TEMPLATES_PATH"] = "templates.json"
    client = app.test_client()

    response = client.get("/admin")

    assert response.status_code == 200
    body = response.get_data(as_text=True)
    assert "Admin: templates" in body
    assert "name='420__text'" in body
    assert "name='420__color'" in body
    assert "name='420__color_picker'" in body
    assert "type='color'" in body
    assert "name='420__image_url'" in body


def test_admin_post_validation_error(monkeypatch):
    monkeypatch.setattr(
        dashboard,
        "load_templates",
        lambda path: {"420": {"text": "x", "color": 1}},
    )
    monkeypatch.setattr(dashboard, "parse_color", lambda raw: (
        _ for _ in ()).throw(ValueError("bad color")))

    save_called = {"value": False}

    def _save_templates(path, updated):
        save_called["value"] = True

    monkeypatch.setattr(dashboard, "save_templates", _save_templates)

    app = _make_app()
    client = app.test_client()

    response = client.post(
        "/admin",
        data={
            "420__text": "Updated",
            "420__color": "bad",
            "420__image_url": "",
        },
    )

    assert response.status_code == 400
    assert "invalid color" in response.get_data(as_text=True)
    assert save_called["value"] is False


def test_admin_post_success(monkeypatch):
    monkeypatch.setattr(
        dashboard,
        "load_templates",
        lambda path: {"420": {"text": "x", "color": 1}},
    )
    monkeypatch.setattr(dashboard, "parse_color", lambda raw: 123)

    saved = {"path": None, "payload": None}

    def _save_templates(path, updated):
        saved["path"] = path
        saved["payload"] = updated

    monkeypatch.setattr(dashboard, "save_templates", _save_templates)

    app = _make_app()
    app.config["TEMPLATES_PATH"] = "custom_templates.json"
    client = app.test_client()

    response = client.post(
        "/admin",
        data={
            "420__text": "Updated",
            "420__color": "123",
            "420__image_url": "",
        },
    )

    assert response.status_code == 200
    assert "Saved." in response.get_data(as_text=True)
    assert saved["path"] == "custom_templates.json"
    assert saved["payload"] == {"420": {"text": "Updated", "color": 123}}