from __future__ import annotations

import unittest
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
HTML_PATH = ROOT / "data" / "wiki" / "guanghan_topology_demo.html"


class GuanghanTopologySourceTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.html = HTML_PATH.read_text(encoding="utf-8")

    def test_topology_is_rendered_from_snapshot_layout(self) -> None:
        self.assertNotIn('<g class="topology-node"', self.html)
        self.assertNotIn("GROUP_MEMBERS", self.html)
        self.assertNotIn("data-conn=", self.html)
        self.assertIn("currentData.layout", self.html)
        self.assertIn("currentData.connections", self.html)
        self.assertIn("function renderTopology", self.html)

    def test_radiators_are_dynamic_layout_decorations(self) -> None:
        self.assertNotIn('<g class="radiator">', self.html)
        self.assertIn("decorations.radiator", self.html)
        self.assertIn("function createRadiator", self.html)

    def test_future_expansion_anchors_remain_source_comments(self) -> None:
        for direction in ("north", "east", "west"):
            self.assertIn(
                f"FUTURE_EXPANSION_ANCHOR:{direction}",
                self.html,
            )
        self.assertNotIn("未来北部十字结构", self.html)
        self.assertNotIn("未来东部十字结构", self.html)
        self.assertNotIn("未来西部十字结构", self.html)

    def test_page_uses_same_origin_api(self) -> None:
        self.assertIn("const API_BASE = ''", self.html)
        self.assertNotIn("http://localhost:5000", self.html)

    def test_page_uses_database_presentation_payload(self) -> None:
        self.assertIn("currentData.layout.presentation", self.html)
        self.assertIn("nodeStyles", self.html)
        self.assertIn("edgeStyles", self.html)
        self.assertIn("decorationStyles", self.html)
        self.assertIn("legendItems", self.html)

    def test_business_visual_semantics_are_not_css_hardcoded(self) -> None:
        forbidden = [
            ".connection.structural",
            ".connection.pressurized",
            ".connection.utility",
            ".node-card { fill:",
            ".core-card { fill:",
            ".power-card { fill:",
            ".power-node-card { fill:",
            ".vehicle-card { fill:",
            "function connectionClass",
        ]
        for token in forbidden:
            self.assertNotIn(token, self.html)

    def test_legend_is_rendered_from_presentation_payload(self) -> None:
        self.assertIn('id="legend"', self.html)
        self.assertNotIn("结构直连</span>", self.html)
        self.assertNotIn("加压走道</span>", self.html)
        self.assertNotIn("燃料 / 供电</span>", self.html)
        self.assertNotIn("大型折叠散热面板</span>", self.html)
        self.assertIn("renderLegend", self.html)

    def test_controls_use_api_navigation_and_safe_text(self) -> None:
        self.assertIn("/api/v1/bases/guanghan/missions", self.html)
        self.assertNotIn("return ['BL-01'", self.html)
        self.assertIn("popstate", self.html)
        self.assertIn("Asia/Shanghai", self.html)
        self.assertNotIn(".innerHTML =", self.html)
        self.assertIn("replaceChildren", self.html)


if __name__ == "__main__":
    unittest.main()