from __future__ import annotations

import json
import re
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
UAT_CASES = ROOT / "docs/acceptance/WP14_UAT_CASES.json"
UAT_REPORT = ROOT / "docs/acceptance/WP14_UAT_PLAN_AND_REPORT.md"
DEFECT_REGISTER = ROOT / "docs/acceptance/WP14_DEFECT_REGISTER.md"
USER_GUIDE = ROOT / "docs/guides/DATAOPS_PHASE1_USER_OPERATION_GUIDE.md"
OPERATIONS_HANDOVER = ROOT / "docs/runbooks/DATAOPS_PHASE1_OPERATIONS_HANDOVER.md"
PHASE2_BACKLOG = ROOT / "docs/roadmap/DATAOPS_PHASE2_BACKLOG.md"
EVIDENCE = ROOT / "docs/validation/WP14_UAT_HANDOVER_EVIDENCE.md"
REQUEST_CLIENT = ROOT / "frontend/src/utils/request.js"
DEVELOPMENT_CENTER = (
    ROOT / "frontend/src/views/dataGovernance/development/index.vue"
)

DELIVERABLES = (
    UAT_CASES,
    UAT_REPORT,
    DEFECT_REGISTER,
    USER_GUIDE,
    OPERATIONS_HANDOVER,
    PHASE2_BACKLOG,
    EVIDENCE,
)


def _read(path: Path) -> str:
    return path.read_text(encoding="utf-8")


def _cases() -> list[dict]:
    payload = json.loads(_read(UAT_CASES))
    assert payload["work_package"] == "WP-14"
    assert payload["schema_version"] == "1.0"
    return payload["cases"]


def test_wp14_deliverables_exist() -> None:
    missing = [str(path.relative_to(ROOT)) for path in DELIVERABLES if not path.is_file()]
    assert not missing, f"WP14 交付物缺失: {missing}"


def test_wp14_uat_cases_cover_roles_modules_and_acceptance_boundaries() -> None:
    cases = _cases()
    assert len(cases) >= 16

    required_fields = {
        "id",
        "module_ids",
        "title",
        "actor",
        "acceptance_level",
        "preconditions",
        "steps",
        "expected",
        "evidence",
        "result",
        "notes",
    }
    for case in cases:
        assert required_fields <= case.keys(), case.get("id")
        assert case["id"].startswith("WP14-UAT-")
        assert case["actor"] in {"admin", "editor", "viewer", "enterprise_acceptance"}
        assert case["acceptance_level"] in {"LOCAL_ENGINEERING", "ENTERPRISE_FORMAL"}
        assert case["result"] in {"PASS_LOCAL", "FAIL", "BLOCKED_EXTERNAL", "NOT_RUN"}
        assert case["module_ids"]
        assert case["preconditions"]
        assert len(case["steps"]) >= 2
        assert case["expected"]
        assert case["evidence"]
        if case["acceptance_level"] == "ENTERPRISE_FORMAL":
            assert case["result"] != "PASS_LOCAL"

    covered_modules = {module for case in cases for module in case["module_ids"]}
    assert {f"WP-{number:02d}" for number in range(2, 14)} <= covered_modules
    assert {"admin", "editor", "viewer"} <= {case["actor"] for case in cases}
    assert any(case["acceptance_level"] == "ENTERPRISE_FORMAL" for case in cases)
    assert any(case["result"] == "BLOCKED_EXTERNAL" for case in cases)


def test_wp14_docs_state_real_uat_boundary_and_have_no_placeholders() -> None:
    report = _read(UAT_REPORT)
    assert "本地工程预验收" in report
    assert "企业正式验收" in report
    assert "不能替代企业真实数据 UAT" in report
    assert "P0" in report
    assert "签字" in report

    for path in DELIVERABLES[1:]:
        content = _read(path)
        assert not re.search(r"\b(?:TBD|TODO)\b|\{\{[^}]+\}\}", content), path.name


def test_wp14_defect_register_is_actionable() -> None:
    register = _read(DEFECT_REGISTER)
    for field in ("缺陷编号", "严重度", "状态", "复现与证据", "处置决定"):
        assert field in register
    for severity in ("P0", "P1", "P2", "P3"):
        assert severity in register
    assert "未发现" in register or "已关闭" in register


def test_wp14_user_and_operations_guides_cover_handover_tasks() -> None:
    user_guide = _read(USER_GUIDE)
    for role in ("管理员", "编辑者", "查看者"):
        assert role in user_guide
    for task in ("设备资产", "实体匹配", "质量问题", "根因", "知识问答", "治理指标"):
        assert task in user_guide

    operations = _read(OPERATIONS_HANDOVER)
    for topic in ("每日巡检", "每周巡检", "备份", "恢复", "回滚", "升级", "异常升级", "责任"):
        assert topic in operations
    assert "培训" in operations
    assert "移交清单" in operations


def test_wp14_phase2_backlog_preserves_scope_and_sso_gate() -> None:
    backlog = _read(PHASE2_BACKLOG)
    for field in ("待办编号", "来源模块", "优先级", "启动条件", "验收标准", "依赖", "目标阶段"):
        assert field in backlog
    for scope in (
        "主动元数据",
        "通用术语",
        "通用质量运营",
        "平台可观测",
        "统一责任",
        "统一任务",
        "数据产品治理",
        "Agent 治理",
        "安全底座",
        "产品工程",
    ):
        assert scope in backlog
    assert "单点登录" in backlog
    assert "第三阶段" in backlog
    assert "IdP" in backlog


def test_wp14_evidence_links_results_to_commands_and_pages() -> None:
    evidence = _read(EVIDENCE)
    for section in ("文档契约", "角色与权限", "业务场景", "缺陷结论", "外部门禁"):
        assert section in evidence
    assert "tests/test_wp14_delivery_contract.py" in evidence
    assert "PASS_LOCAL" in evidence
    assert "BLOCKED_EXTERNAL" in evidence


def test_frontend_accepts_standard_success_envelopes_across_http_2xx() -> None:
    request_client = _read(REQUEST_CLIENT)
    assert "res.code < 200 || res.code >= 300" in request_client
    assert "res.code !== 200" not in request_client


def test_viewer_development_center_hides_write_only_entries_and_explains_mode() -> None:
    development_center = _read(DEVELOPMENT_CENTER)
    assert 'v-for="entry in visibleEntries"' in development_center
    assert "writeOnly: true" in development_center
    assert "isViewerOnly" in development_center
    assert "当前为 viewer 只读模式" in development_center