"""多源记录端到端链路测试 (方案 A + B)。

覆盖:
    - EmbeddingResult.sources validator:主源居首 / 去重 / 旧产物兜底
    - run_qdrant_ingest._result_to_point:payload 写入 sources(
      M5 产物优先 → 回查 M4 → 兜底 [主源])
    - run_embedding 文本构造透传 sources
    - 回填脚本 _load_fingerprint_sources:source_ids 解析与兜底
"""

from __future__ import annotations

import json
import sqlite3
from pathlib import Path

from embedding import EmbeddingResult

# --------------------------------------------------------------------------- #
# EmbeddingResult.sources validator
# --------------------------------------------------------------------------- #

def _emb(**overrides) -> EmbeddingResult:
    base = {
        "url_hash": "a" * 16,
        "source_id": "cls",
        "title": "t",
        "text": "x",
        "vector": [0.1] * 4,
        "dim": 4,
        "provider": "dashscope",
        "model": "m",
    }
    base.update(overrides)
    return EmbeddingResult(**base)


def test_embedding_sources_default_fallback_to_main() -> None:
    """旧产物无 sources → 兜底为 [主源]。"""
    r = _emb()
    assert r.sources == ["cls"]


def test_embedding_sources_main_source_first_and_dedup() -> None:
    """主源居首且去重保序。"""
    r = _emb(sources=["sina", "cls", "eastmoney"])
    assert r.sources == ["cls", "sina", "eastmoney"]


def test_embedding_sources_keeps_multi() -> None:
    r = _emb(sources=["cls", "eastmoney"])
    assert r.sources == ["cls", "eastmoney"]


# --------------------------------------------------------------------------- #
# run_qdrant_ingest._result_to_point
# --------------------------------------------------------------------------- #

def test_result_to_point_sources_from_m5() -> None:
    """M5 产物自带 sources → 直接写入 payload。"""
    from scripts.run_qdrant_ingest import _result_to_point

    obj = {
        "url_hash": "b" * 16,
        "vector": [0.1] * 4,
        "title": "t",
        "url": "https://x",
        "source_id": "cls",
        "sources": ["cls", "eastmoney"],
    }
    pt = _result_to_point(obj)
    assert pt is not None
    assert pt["payload"]["sources"] == ["cls", "eastmoney"]


def test_result_to_point_sources_fallback_m4(tmp_path: Path) -> None:
    """M5 产物无 sources → 回查 M4 events 的 sources。"""
    from scripts.run_qdrant_ingest import _result_to_point

    h = "c" * 16
    ev_dir = tmp_path / "events"
    ev_dir.mkdir()
    (ev_dir / f"{h}.json").write_text(
        json.dumps({"sources": ["sina", "yicai"], "event": {}}),
        encoding="utf-8",
    )
    obj = {
        "url_hash": h,
        "vector": [0.1] * 4,
        "title": "t",
        "url": "https://x",
        "source_id": "sina",
    }
    pt = _result_to_point(obj, events_dir=ev_dir)
    assert pt is not None
    assert pt["payload"]["sources"] == ["sina", "yicai"]


def test_result_to_point_sources_fallback_main_only() -> None:
    """M5/M4 均无 sources → 兜底 [主源]。"""
    from scripts.run_qdrant_ingest import _result_to_point

    obj = {
        "url_hash": "d" * 16,
        "vector": [0.1] * 4,
        "title": "t",
        "url": "https://x",
        "source_id": "zqrb",
    }
    pt = _result_to_point(obj)
    assert pt is not None
    assert pt["payload"]["sources"] == ["zqrb"]


# --------------------------------------------------------------------------- #
# run_embedding 文本构造透传 sources
# --------------------------------------------------------------------------- #

def test_build_text_from_event_returns_sources(tmp_path: Path) -> None:
    from scripts.run_embedding import _build_text_from_event

    h = "e" * 16
    ev_dir = tmp_path / "events"
    ev_dir.mkdir()
    proc_root = tmp_path / "processed"
    proc_root.mkdir()
    ev = {
        "url_hash": h,
        "url": "https://x",
        "source_id": "cls",
        "title": "标题",
        "publish_time": None,
        "sources": ["cls", "sina"],
        "event": {"summary": "摘要", "sentiment": "neutral", "importance": 2,
                   "event_type": "其他"},
    }
    fp = ev_dir / f"{h}.json"
    fp.write_text(json.dumps(ev, ensure_ascii=False), encoding="utf-8")

    built = _build_text_from_event(fp, proc_root, "20260616")
    assert built is not None
    _text, _article, _summary, sources = built
    assert sources == ["cls", "sina"]


def test_build_text_from_article_reads_sources(tmp_path: Path) -> None:
    from scripts.run_embedding import _build_text_from_article

    h = "f" * 16
    art = {
        "source_id": "cls",
        "url": "https://x",
        "url_hash": h,
        "title": "标题",
        "content": "正文内容",
        "word_count": 4,
        "sources": ["cls", "eastmoney"],
    }
    fp = tmp_path / f"{h}.json"
    fp.write_text(json.dumps(art, ensure_ascii=False), encoding="utf-8")

    built = _build_text_from_article(fp)
    assert built is not None
    _text, _article, _summary, sources = built
    assert sources == ["cls", "eastmoney"]


# --------------------------------------------------------------------------- #
# 回填脚本 _load_multi_source
# --------------------------------------------------------------------------- #

def _make_fp_db(tmp_path: Path) -> Path:
    db = tmp_path / "fp.sqlite3"
    conn = sqlite3.connect(db)
    conn.execute(
        "CREATE TABLE fingerprints (url_hash TEXT PRIMARY KEY, source_id TEXT, "
        "source_ids TEXT)"
    )
    conn.execute(
        "INSERT INTO fingerprints VALUES (?, ?, ?)",
        ("h1", "cls", json.dumps(["cls", "sina"])),
    )
    conn.execute(
        "INSERT INTO fingerprints VALUES (?, ?, ?)", ("h2", "zqrb", None)
    )
    conn.execute(
        "INSERT INTO fingerprints VALUES (?, ?, ?)", ("h3", "cls", "not-json")
    )
    conn.execute(
        "INSERT INTO fingerprints VALUES (?, ?, ?)",
        ("h4", "cls", json.dumps(["cls"])),
    )
    conn.commit()
    conn.close()
    return db


def test_load_multi_source_only_multi(tmp_path: Path) -> None:
    """仅返回多源记录;NULL/损坏/单源均排除。"""
    from scripts.backfill_qdrant_sources import _load_multi_source

    db = _make_fp_db(tmp_path)
    res = _load_multi_source(db)
    assert res == {"h1": ["cls", "sina"]}


def test_load_multi_source_main_first(tmp_path: Path) -> None:
    """source_ids 顺序异常时保证主源居首。"""
    from scripts.backfill_qdrant_sources import _load_multi_source

    db = tmp_path / "fp.sqlite3"
    conn = sqlite3.connect(db)
    conn.execute(
        "CREATE TABLE fingerprints (url_hash TEXT PRIMARY KEY, source_id TEXT, "
        "source_ids TEXT)"
    )
    conn.execute(
        "INSERT INTO fingerprints VALUES (?, ?, ?)",
        ("h1", "cls", json.dumps(["sina", "cls"])),
    )
    conn.commit()
    conn.close()
    res = _load_multi_source(db)
    assert res["h1"] == ["cls", "sina"]