"""Integration tests: HTTP API surface (no database required)."""
from __future__ import annotations

import json

import pytest

from app.config import get_settings


def test_health_reports_ok(client) -> None:
    r = client.get("/api/health")
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "ok"
    assert body["db"] in {"up", "down"}
    assert body["version"]


def test_suggestions_returns_list(client) -> None:
    r = client.get("/api/suggestions")
    assert r.status_code == 200
    suggestions = r.json()["suggestions"]
    assert isinstance(suggestions, list)
    assert len(suggestions) >= 3
    assert all(isinstance(s, str) and s.strip() for s in suggestions)


def test_suggestions_honors_bor_suggestions_env_override(monkeypatch) -> None:
    """GET /api/suggestions reflects the BOR_SUGGESTIONS JSON env override."""
    from fastapi.testclient import TestClient

    from app.main import create_app

    override = [
        "How do I back up with Borg?",
        "How is my K3S cluster set up?",
        "How do I deploy a service?",
        "What proxy fronts reeseapps.com?",
    ]
    get_settings.cache_clear()
    try:
        monkeypatch.setenv("BOR_SUGGESTIONS", json.dumps(override))
        fresh_client = TestClient(create_app())
    finally:
        get_settings.cache_clear()

    r = fresh_client.get("/api/suggestions")
    assert r.status_code == 200
    assert r.json() == {"suggestions": override}


@pytest.mark.parametrize(
    ("path", "marker"),
    [("/", "Brain of Reese"), ("/sources.html", "Knowledge base")],
)
def test_html_pages_served_locally_no_cdn(client, path: str, marker: str) -> None:
    """No-CDN check (PLAN §7.3, re-verified on BOTH pages in phase 07):
    each page is served by FastAPI and references only same-origin assets
    (no https:// script/link tags)."""
    r = client.get(path)
    assert r.status_code == 200
    assert marker in r.text
    assert 'src="https://' not in r.text
    assert 'href="https://' not in r.text


def test_styles_and_js_served(client) -> None:
    assert client.get("/assets/styles.css").status_code == 200
    assert client.get("/assets/app.js").status_code == 200


# Emoji code points banned from UI chrome (phase 08): the pictograph
# blocks, VS-16/ZWJ, plus the exact glyphs the old light theme used
# (🧠 🧑 👋 📂 ⚠).
_EMOJI_GLYPHS = "\U0001F9E0\U0001F9D1\U0001F44B\U0001F4C2\u26A0"


def _find_emoji(text: str) -> list[str]:
    hits: list[str] = []
    for ch in text:
        cp = ord(ch)
        if (
            0x1F300 <= cp <= 0x1FAFF
            or 0x2600 <= cp <= 0x27BF
            or 0x2B00 <= cp <= 0x2BFF
            or cp in (0xFE0F, 0x200D)
            or ch in _EMOJI_GLYPHS
        ):
            hits.append(ch)
    return hits


@pytest.mark.parametrize(
    "path", ["/", "/sources.html", "/assets/app.js", "/assets/styles.css"]
)
def test_ui_chrome_has_no_emoji(client, path: str) -> None:
    """Permanent regression guard (phase 08): the UI chrome — both pages,
    the JS that renders it, and the stylesheet — is emoji-free."""
    r = client.get(path)
    assert r.status_code == 200
    assert _find_emoji(r.text) == [], f"emoji found in {path}: {_find_emoji(r.text)!r}"


def test_chat_requires_message(client) -> None:
    r = client.post("/api/chat", json={"message": ""})
    assert r.status_code == 422