from __future__ import annotations

import json
from pathlib import Path

import pytest

FIXTURES = Path(__file__).parent / "fixtures"


def _sample_github_repo() -> dict:
    return {
        "repo": "owner/sample",
        "url": "https://github.com/owner/sample",
        "description": "Sample repository for smoke tests.",
        "language": "Python",
        "stars_today_fmt": "120",
        "total_stars_fmt": "1.2K",
        "created_at": "2026-06-01",
    }


def test_format_installs():
    from shared.skills_data import format_installs

    assert format_installs(999) == "999"
    assert format_installs(18000) == "18.0K"
    assert format_installs(2_500_000) == "2.5M"


def test_generate_report_offline(
    skills_feed,
    fixed_cst,
    isolated_output,
    offline_generate_env,
    monkeypatch,
):
    import daily.generate as generate

    monkeypatch.setattr(generate, "load_feed", lambda force=False: skills_feed)
    monkeypatch.setattr(generate, "fetch_github_trending", lambda n: [_sample_github_repo()])
    monkeypatch.setattr(generate, "fetch_emerging_repos", lambda n, exclude=None: [])
    monkeypatch.setattr(generate, "fetch_topic_hot_repos", lambda n, exclude=None: ("llm", []))
    monkeypatch.setattr(generate, "_now_cst", lambda: fixed_cst)

    _, wecom_md, out_md, out_wecom = generate.generate_report()

    assert out_md.exists()
    assert out_wecom.exists()
    assert "早报" in out_md.read_text(encoding="utf-8")
    assert wecom_md.strip()
    assert "📰" in wecom_md

    data_path = isolated_output / "2026-07-03.data.json"
    assert data_path.exists()
    payload = json.loads(data_path.read_text(encoding="utf-8"))
    assert payload["meta"]["report_mode"] == "classic"
    assert payload["data"]["date"] == "2026-07-03"
    assert len(payload["data"]["skills_trending"]) >= 1
    assert len(payload["data"]["skills_hot"]) >= 1


def test_rss_fixture_is_well_formed():
    xml = (FIXTURES / "sample-rss.xml").read_text(encoding="utf-8")
    assert "Sample AI headline" in xml
    assert "<item>" in xml