"""Static export: pages, art downloads, badge slot, privacy. Offline —
cover downloads run against a mock CDN transport."""

from __future__ import annotations

import json
from pathlib import Path

import httpx
import pytest

from bggpipe.config import Config
from bggpipe.export import run_export

GAMES = {
    "240:24621": {
        "bgg_id": 240,
        "type": "boardgame",
        "name": "Britannia",
        "year": 1986,
        "description": "A game of <invasions> & settlement.",
        "image": "https://cf.geekdo-images.com/orig/pic1.jpg",
        "thumbnail": "https://cf.geekdo-images.com/thumb/pic1.jpg",
        "min_players": 3,
        "max_players": 5,
        "best_player_counts": ["4"],
        "playtime": 240,
        "designers": ["Lewis Pulsipher"],
        "rank": 1210,
        "weight": 3.16,
        "version": {
            "version_id": 24621,
            "name": "Avalon Hill second edition",
            "year": 1987,
            "publishers": ["Avalon Hill"],
            "languages": ["English"],
        },
        "source_photos": ["IMG_1.jpeg"],
    },
    "311654": {
        "bgg_id": 311654,
        "type": "rpgitem",
        "name": "Alice is Missing",
        "year": 2020,
        "image": "https://cf.geekdo-images.com/orig/pic2.png",
        "thumbnail": "",
        "source_photos": ["IMG_2.jpeg"],
    },
    "local:homebrew:x.jpg": {
        "type": "localgame",
        "name": "Britannia",  # deliberate name collision with 240:24621
        "image": "/local-art/abc123.jpg",
        "source_photos": ["x.jpg"],
    },
}


def _cfg(tmp_path: Path) -> Config:
    cfg = Config(data_dir=tmp_path / "data")
    cfg.data_dir.mkdir(parents=True)
    cfg.games_path.write_text(json.dumps(GAMES))
    cfg.local_art_dir.mkdir()
    (cfg.local_art_dir / "abc123.jpg").write_bytes(b"\xff\xd8local")
    return cfg


def _cdn(requests_log: list[str]) -> httpx.Client:
    def handler(request: httpx.Request) -> httpx.Response:
        requests_log.append(str(request.url))
        return httpx.Response(200, content=b"\xff\xd8fake-image")

    return httpx.Client(transport=httpx.MockTransport(handler))


def test_export_writes_pages_art_and_no_shelf_photos(tmp_path):
    cfg = _cfg(tmp_path)
    out = tmp_path / "site"
    log: list[str] = []
    summary = run_export(
        cfg, out, title="Test Shelves", fetch=_cdn(log), sleep=lambda s: None
    )
    assert summary == {"games": 3, "downloaded": 3, "failures": 0}

    index = (out / "index.html").read_text()
    assert "Test Shelves" in index and "Powered by BGG" in index
    assert "trademarks of" in index

    # name collision -> distinct stable slugs
    assert (out / "britannia" / "index.html").exists()
    assert (out / "britannia-2" / "index.html").exists()
    assert (out / "alice-is-missing" / "index.html").exists()

    detail = (out / "britannia" / "index.html").read_text()
    assert "Avalon Hill second edition" in detail
    assert "&lt;invasions&gt; &amp; settlement" in detail  # escaped, not raw
    # BGG double-encodes entities; the page shows the character, not &rsquo;
    assert "&amp;rsquo" not in detail
    assert "boardgamegeek.com/boardgame/240" in detail
    rpg = (out / "alice-is-missing" / "index.html").read_text()
    assert "rpggeek.com/rpgitem/311654" in rpg

    # covers landed locally and pages never hotlink the CDN
    assert len(list((out / "art").glob("*"))) == 4  # 2 full + 1 thumb + local art
    all_html = index + detail + rpg
    assert "geekdo-images.com" not in all_html

    # the privacy rule: shelf photo names appear nowhere in the output
    assert "IMG_1.jpeg" not in all_html and "IMG_2.jpeg" not in all_html


def test_export_is_idempotent_and_offline_on_rerun(tmp_path):
    cfg = _cfg(tmp_path)
    out = tmp_path / "site"
    run_export(cfg, out, fetch=_cdn([]), sleep=lambda s: None)

    def refuse(request: httpx.Request) -> httpx.Response:
        raise AssertionError(f"re-run fetched {request.url}")

    summary = run_export(
        cfg,
        out,
        fetch=httpx.Client(transport=httpx.MockTransport(refuse)),
        sleep=lambda s: None,
    )
    assert summary["downloaded"] == 0


def test_failed_cover_reports_and_ships_page_anyway(tmp_path):
    cfg = _cfg(tmp_path)

    def flaky(request: httpx.Request) -> httpx.Response:
        if "pic2" in str(request.url):
            return httpx.Response(503)
        return httpx.Response(200, content=b"img")

    summary = run_export(
        cfg,
        tmp_path / "site",
        fetch=httpx.Client(transport=httpx.MockTransport(flaky)),
        sleep=lambda s: None,
    )
    assert summary["failures"] == 1
    page = (tmp_path / "site" / "alice-is-missing" / "index.html").read_text()
    assert "Alice is Missing" in page  # the page exists, just coverless
    # nothing half-written left behind to poison the idempotent re-run
    assert not list((tmp_path / "site" / "art").glob("*.part"))


def test_official_badge_upgrades_the_footer(tmp_path):
    cfg = _cfg(tmp_path)
    (cfg.data_dir / "powered-by-bgg.png").write_bytes(b"\x89PNG-badge")
    out = tmp_path / "site"
    run_export(cfg, out, fetch=_cdn([]), sleep=lambda s: None)
    assert (out / "art" / "powered-by-bgg.png").exists()
    index = (out / "index.html").read_text()
    assert 'img src="art/powered-by-bgg.png" alt="Powered by BGG"' in index
    detail = (out / "britannia" / "index.html").read_text()
    assert 'img src="../art/powered-by-bgg.png"' in detail


def test_export_without_games_json_exits_with_guidance(tmp_path):
    cfg = Config(data_dir=tmp_path / "data")
    import typer

    with pytest.raises(typer.Exit):
        run_export(cfg, tmp_path / "site", fetch=_cdn([]), sleep=lambda s: None)