"""
首页 E2E（INV-017 八入口固定 / INV-016 Banner 禁外链 / 首页结构固定）。

这些断言打的是**真实活栈**：`GET /api/v1/home` 的真实响应，不是常量、不是自造字面量。
"""
import pytest

pytestmark = pytest.mark.e2e

# AGENTS.md 硬规则 #14/#15：首页 8 核心入口固定，顺序不可更改、运营不可重排。
EXPECTED_QUICK_ENTRIES = [
    "find_object",      # 第一排
    "matchmaker",
    "activities",
    "counseling",
    "classroom",        # 第二排
    "premarital",
    "anti_fraud",
    "service_station",
]

# INV-016：Banner 仅内部跳转，target_type 白名单（与生产 HomeBannerOperatorController 一致）。
ALLOWED_BANNER_TARGETS = {
    "activity", "matchmaker", "counseling", "premarital",
    "service_location", "article", "internal_page", "none",
}


def test_home_returns_fixed_sections(api, user_token):
    """规则 #14：首页区块齐备（缺一个即结构被改）。"""
    data = api.ok("GET", "/home", token=user_token)
    for key in ("quickEntries", "banners", "userState", "capabilities", "safetyNotice"):
        assert key in data, f"首页缺少区块 {key}，实际 keys={sorted(data.keys())}"


def test_quick_entries_fixed_order(api, user_token):
    """INV-017：8 个核心入口固定且顺序不可更改。"""
    data = api.ok("GET", "/home", token=user_token)
    codes = [e.get("code") for e in data["quickEntries"]]
    assert codes == EXPECTED_QUICK_ENTRIES, f"首页入口顺序被改动：{codes}"


def test_banner_target_types_are_internal_only(api, user_token):
    """INV-016：Banner 不允许外链（target_type 必须落在白名单内）。"""
    data = api.ok("GET", "/home", token=user_token)
    banners = data.get("banners") or []
    for b in banners:
        target = b.get("targetType")
        assert target in ALLOWED_BANNER_TARGETS, f"Banner 出现非白名单 target_type={target!r}"