"""core/shortcuts.py:解析 + 入口层展开(纯函数 + 文件读)。"""
from __future__ import annotations

from uuid import uuid4

from core import shortcuts


SAMPLE = """\
# 我的快捷指令

| 触发词 | 指令 |
|---|---|
| 简报 | 给我输出一份昨日的 AI 新闻简报 |
| Standup | Summarize yesterday's commits |
| 简报 | 这条重复应被首行覆盖 |
"""


def test_parse_skips_header_and_separator():
    m = shortcuts.parse_shortcuts(SAMPLE)
    # 表头「触发词」、分隔行 |---| 都不进表
    assert "触发词" not in m
    assert "---" not in m
    assert "简报" in m
    assert m["简报"] == "给我输出一份昨日的 AI 新闻简报"  # 首行赢


def test_parse_case_insensitive_key():
    m = shortcuts.parse_shortcuts(SAMPLE)
    # 触发词归一化用 casefold,英文键存成小写
    assert "standup" in m
    assert m["standup"] == "Summarize yesterday's commits"


def test_parse_empty_and_garbage():
    assert shortcuts.parse_shortcuts("") == {}
    assert shortcuts.parse_shortcuts("没有表格\n只是普通文本") == {}
    # 单元格缺失 / 只有一列 → 跳过
    assert shortcuts.parse_shortcuts("| 只有一列 |") == {}


def _write(tmp_path, user_id, body):
    d = tmp_path / "users" / str(user_id) / ".memory"
    d.mkdir(parents=True, exist_ok=True)
    (d / "shortcuts.md").write_text(body, encoding="utf-8")


def test_expand_exact_match(tmp_path):
    uid = uuid4()
    _write(tmp_path, uid, SAMPLE)
    out, hit = shortcuts.expand(tmp_path, uid, "简报")
    assert out == "给我输出一份昨日的 AI 新闻简报"
    assert hit == "简报"
    # 首尾空格 / 大小写不影响命中
    out2, hit2 = shortcuts.expand(tmp_path, uid, "  Standup ")
    assert out2 == "Summarize yesterday's commits"
    assert hit2 == "Standup"


def test_expand_no_partial_match(tmp_path):
    uid = uuid4()
    _write(tmp_path, uid, SAMPLE)
    # 整条不等于触发词 → 原样返回,不展开
    out, hit = shortcuts.expand(tmp_path, uid, "帮我出个简报")
    assert out == "帮我出个简报"
    assert hit is None


def test_expand_missing_file(tmp_path):
    uid = uuid4()  # 没写文件
    out, hit = shortcuts.expand(tmp_path, uid, "简报")
    assert out == "简报"
    assert hit is None


def test_expand_empty_text(tmp_path):
    uid = uuid4()
    _write(tmp_path, uid, SAMPLE)
    out, hit = shortcuts.expand(tmp_path, uid, "   ")
    assert out == "   "
    assert hit is None