"""P1-A 回归测试: ingest 联赛级 inserted/updated 必须读 leagues[code],而非顶层 r.get("inserted")。

运行: pytest tests/test_p1_a_ingest_league_counts.py -v
(纯函数测试,无 DB/网络依赖。)
"""
from src.api.routes.ingest import _accumulate_ingest_result


class TestAccumulateIngestResult:
    """P1-A: _accumulate_ingest_result 联赛级计数必须来自 r["leagues"][code]。"""

    def _merged(self):
        return {"leagues": {}, "total_inserted": 0, "total_updated": 0, "errors": []}

    def test_league_counts_read_from_leagues_key(self):
        """核心: 联赛级 inserted/updated 应来自 leagues[code],而非顶层 inserted/updated。"""
        merged = self._merged()
        r = {
            # 顶层无 inserted/updated 键(只有 total_*)
            "total_inserted": 5,
            "total_updated": 2,
            "errors": [],
            "leagues": {"E0": {"inserted": 3, "updated": 1, "rows": 4, "errors": []}},
        }
        _accumulate_ingest_result(merged, "E0", r)

        # 顶层总计
        assert merged["total_inserted"] == 5
        assert merged["total_updated"] == 2
        # 联赛级计数来自 leagues["E0"],而非顶层
        assert merged["leagues"]["E0"]["inserted"] == 3, "联赛 inserted 必须来自 leagues[code]"
        assert merged["leagues"]["E0"]["updated"] == 1, "联赛 updated 必须来自 leagues[code]"

    def test_does_not_read_top_level_inserted(self):
        """防御: 若 r 误含顶层 inserted 键,不得影响联赛级计数。"""
        merged = self._merged()
        r = {
            "total_inserted": 5,
            "total_updated": 2,
            "inserted": 999,  # 错误的顶层键(旧代码可能读这个)
            "updated": 999,
            "errors": [],
            "leagues": {"E0": {"inserted": 3, "updated": 1}},
        }
        _accumulate_ingest_result(merged, "E0", r)
        # 必须忽略顶层 inserted/updated,使用 leagues["E0"]
        assert merged["leagues"]["E0"]["inserted"] == 3
        assert merged["leagues"]["E0"]["updated"] == 1

    def test_missing_league_key_defaults_to_zero(self):
        """r["leagues"] 无该 code 时,默认 0 不抛错。"""
        merged = self._merged()
        r = {"total_inserted": 1, "total_updated": 0, "errors": [], "leagues": {}}
        _accumulate_ingest_result(merged, "E0", r)
        assert merged["leagues"]["E0"]["inserted"] == 0
        assert merged["total_inserted"] == 1

    def test_multiple_calls_accumulate(self):
        """多次调用应累加到同一联赛。"""
        merged = self._merged()
        r1 = {"total_inserted": 3, "total_updated": 1, "errors": [], "leagues": {"E0": {"inserted": 3, "updated": 1}}}
        r2 = {"total_inserted": 2, "total_updated": 0, "errors": [], "leagues": {"E0": {"inserted": 2, "updated": 0}}}
        _accumulate_ingest_result(merged, "E0", r1)
        _accumulate_ingest_result(merged, "E0", r2)
        assert merged["leagues"]["E0"]["inserted"] == 5
        assert merged["leagues"]["E0"]["updated"] == 1
        assert merged["total_inserted"] == 5