"""Phase 4 自檢：沙盒植入各類違規（schema 缺欄位、壞 source_ref、過期頁、
攝入缺口、needs_ocr、孤兒頁、相似頁對），驗證 lint 全部抓到、產出報告、
且不修改任何檔案。LLM 比對以假 LLM 驗證矛盾偵測路徑。

執行：.venv/Scripts/python tools/selfcheck_lint.py
"""
import json
import pathlib
import shutil
import sys
import tempfile

sys.path.insert(0, str(pathlib.Path(__file__).parent))
import kb
import lint

CFG = """ollama: {base_url: "http://localhost:11434", timeout_seconds: 5}
tasks:
  ingest: {model: "fake:test", temperature: 0.2, max_retries: 2}
  lint: {model: "fake:test", temperature: 0.1, max_retries: 2}
  fallback: {model: "fake:fb"}
limits: {mcp_response_max_tokens: 2000, ingest_chunk_max_chars: 12000}
"""
SHA_A = "abcd1234" + "0" * 56
SHA_B = "beef5678" + "0" * 56
SRC_OK = "raw/converted/好來源 報告.md"
SRC_UNCOVERED = "raw/converted/未覆蓋 來源.md"


def page(root, rel, meta, body="內文。"):
    p = root / rel
    p.write_text(kb.dump_page(meta, body), encoding="utf-8")


def build(root):
    import datetime
    today = datetime.date.today().isoformat()
    for sub in ("config", "raw/converted", "wiki/summaries", "wiki/entities", "wiki/concepts"):
        (root / sub).mkdir(parents=True)
    (root / "config/models.yaml").write_text(CFG, encoding="utf-8")
    # 來源檔名一律「中文 + 空格」——真實 QA 文件就長這樣（§12：測資要照現實建，不是照能過建）
    (root / "raw/manifest.json").write_text(json.dumps({"version": 1, "files": {
        SRC_OK: {"kind": "converted", "sha256": SHA_A,
                 "original_path": "raw/originals/好來源 報告.docx",
                 "original_sha256": SHA_A, "converter": "from_docx",
                 "converted_at": "2026-07-01T00:00:00"},
        SRC_UNCOVERED: {"kind": "converted", "sha256": SHA_B,
                        "original_path": "raw/originals/未覆蓋 來源.docx",
                        "original_sha256": SHA_B, "converter": "from_docx",
                        "converted_at": "2026-07-01T00:00:00"},
        "raw/originals/掃描件 無文字層.pdf": {"kind": "original", "sha256": SHA_B,
                                             "media_type": "pdf",
                                             "added_at": "2026-07-01T00:00:00",
                                             "status": "needs_ocr"},
    }}), encoding="utf-8")
    ref = f"{SRC_OK}#{SHA_A[:8]}"
    good = {"type": "entity", "title": "支付閘道", "description": "支付閘道模組",
            "tags": ["gateway"], "timestamp": today, "sources": [ref], "status": "draft"}
    page(root, "wiki/entities/good.md", good)
    bad = {"type": "entity", "title": "壞頁", "description": "缺 tags",
           "timestamp": today, "sources": ["raw/converted/ghost.md#deadbeef"],
           "status": "draft", "type": "entity"}
    page(root, "wiki/entities/bad-schema.md", bad)
    old = dict(good, title="舊概念", type="concept", timestamp="2024-01-01")
    page(root, "wiki/concepts/old.md", old)
    dup_a = dict(good, title="支付閘道逾時缺陷", tags=["gateway", "timeout"],
                 description="逾時缺陷模式")
    dup_b = dict(good, title="支付閘道逾時缺陷模式", tags=["gateway", "timeout"],
                 description="逾時的缺陷模式")
    page(root, "wiki/entities/dup-a.md", dup_a, "重試機制在峰值失效。")
    page(root, "wiki/entities/dup-b.md", dup_b, "重試機制在峰值一律生效。")
    (root / "index.md").write_text(
        "- [支付閘道](wiki/entities/good.md)\n- [舊概念](wiki/concepts/old.md)\n"
        "- [A](wiki/entities/dup-a.md)\n- [B](wiki/entities/dup-b.md)\n", encoding="utf-8")


def run_lint(args):
    try:
        lint.main(args)
        return 0
    except SystemExit as e:
        return e.code


def main():
    tmp = pathlib.Path(tempfile.mkdtemp(prefix="ppqa-lint-"))
    real = kb.llm_json
    try:
        root = tmp / "repo"
        build(root)
        before = {p: p.read_bytes() for p in root.rglob("*.md")}

        code = run_lint(["--no-llm", "--root", str(root)])
        assert code == 1, code
        report = next((root / "reports").glob("lint-*.md")).read_text(encoding="utf-8")
        for expected in ("缺欄位 tags", "source_ref 不在 manifest",
                         "old.md", "建議人工複審", "未覆蓋 來源.md", "攝入缺口",
                         "needs_ocr", "bad-schema.md` — 不被 index.md"):
            assert expected in report, f"報告缺少：{expected}\n{report}"
        assert "good.md" not in report
        after = {p: p.read_bytes() for p in root.rglob("*.md") if "reports" not in str(p)}
        assert all(before[p] == after[p] for p in after), "lint 修改了檔案！"
        print("PASS: schema/stale/coverage/orphan 全抓到，報告產出，檔案零修改")

        kb.llm_json = lambda cfg, task, prompt, validate: (
            {"relation": "contradiction", "explanation": "重試機制生效與否說法相反"}, "fake:test")
        code = run_lint(["--root", str(root)])
        assert code == 1
        report = sorted((root / "reports").glob("lint-*.md"))[-1].read_text(encoding="utf-8")
        assert "疑似矛盾" in report and "dup-a.md ↔ wiki/entities/dup-b.md" in report, report
        print("PASS: LLM 矛盾頁偵測（Phase 6 成功標準的機制驗證）")
        print("ALL PASS")
    finally:
        kb.llm_json = real
        shutil.rmtree(tmp, ignore_errors=True)


if __name__ == "__main__":
    main()