from __future__ import annotations

import json
from pathlib import Path


ROOT = Path(__file__).resolve().parents[2]
WEB = ROOT / "apps" / "web-console"


def source(name: str) -> str:
    return (WEB / name).read_text(encoding="utf-8")


def test_vue_vite_application_is_the_primary_frontend_entry() -> None:
    html = source("index.html")
    main = source("src/main.js")
    app = source("src/App.vue")
    package = json.loads(source("package.json"))
    vite = source("vite.config.js")
    service_worker = source("service-worker.js")

    assert '<div id="app" aria-busy="true"></div>' in html
    assert '<script type="module" src="/src/main.js"></script>' in html
    assert 'import { createApp, nextTick } from "vue"' in main
    assert 'import App from "./App.vue"' in main
    assert 'application.mount("#app")' in main
    assert 'defineOptions({ name: "N7ConsoleApp" })' in app
    assert 'class="workspace"' in app
    assert package["dependencies"]["vue"] == "3.5.21"
    assert package["scripts"]["build"] == "vite build"
    assert 'import vue from "@vitejs/plugin-vue"' in vite
    assert 'outDir: outputRoot' in vite
    assert 'const CACHE_VERSION = "cognitive-agent-pad-v324-firmware-notification"' in service_worker
    assert "unpkg.com" not in html
    assert "cdn.jsdelivr.net" not in html


def test_python_and_one_click_startup_use_the_vite_distribution() -> None:
    server = (ROOT / "src" / "cognitive_agent" / "server.py").read_text(
        encoding="utf-8"
    )
    launcher = (ROOT / "tools" / "start_n7web.py").read_text(encoding="utf-8")

    assert 'WEB_CONSOLE_DIST_ROOT = WEB_CONSOLE_SOURCE_ROOT / "dist"' in server
    assert 'if (WEB_CONSOLE_DIST_ROOT / "index.html").is_file()' in server
    assert 'parser.add_argument(\n        "--skip-web-build"' in launcher
    assert 'commands.append([str(npm), "ci"])' in launcher
    assert 'commands.append([str(npm), "run", "build"])' in launcher
    assert "_build_web_console(npm)" in launcher


def test_vendored_vue_runtime_and_license_are_present() -> None:
    runtime = WEB / "vendor" / "vue" / "3.5.21" / "vue.runtime.global.prod.js"
    license_file = WEB / "vendor" / "vue" / "3.5.21" / "LICENSE"

    assert runtime.is_file()
    assert runtime.stat().st_size > 50_000
    assert "vue v3.5.21" in runtime.read_text(encoding="utf-8")[:500]
    assert license_file.is_file()
    assert "The MIT License" in license_file.read_text(encoding="utf-8")


def test_vue_islands_render_modes_and_dispatched_controls() -> None:
    vue_ui = source("vue-ui.js")
    app = source("app.js")
    assistant = source("assistant-chat.js")
    styles = source("assistant-chat.css")

    assert 'name: "N7ModeChipRail"' in vue_ui
    assert 'name: "N7DispatchedControlsCard"' in vue_ui
    assert 'container.dataset.vueSurface = "mode-chips"' in vue_ui
    assert 'container.dataset.vueSurface = "dispatched-controls"' in vue_ui
    assert "renderModeChips" in vue_ui
    assert "renderDispatchedControls" in vue_ui
    assert "window.CognitiveAgentVueUI = Object.freeze" in vue_ui
    assert '"data-mode-run": "true"' in vue_ui

    assert "function vueModeChipEntries(modes)" in app
    assert "window.CognitiveAgentVueUI?.renderModeChips?.(" in app
    assert "window.CognitiveAgentVueUI?.renderDispatchedControls" in assistant
    assert 'host.className = "assistant-dispatched-controls-vue-host"' in assistant
    assert "deliveryLabel: String(item.deliveryLabel" in assistant
    assert "deliveryDetail: String(item.deliveryDetail" in assistant
    assert "下发状态：" in vue_ui
    assert ".assistant-dispatched-controls-vue-host" in styles


def test_existing_dom_renderers_remain_as_transition_fallbacks() -> None:
    app = source("app.js")
    assistant = source("assistant-chat.js")

    mode_vue_call = app.index("window.CognitiveAgentVueUI?.renderModeChips?.(")
    mode_fallback = app.index("const runtimeModeIds = new Set", mode_vue_call)
    assert mode_fallback > mode_vue_call

    command_vue_call = assistant.index(
        "window.CognitiveAgentVueUI?.renderDispatchedControls"
    )
    command_fallback = assistant.index(
        'document.createElement("details")', command_vue_call
    )
    assert command_fallback > command_vue_call
    vue_ui = source("vue-ui.js")
    assert 'from "vue"' in vue_ui
    assert "renderDispatchedControls: () => false" not in vue_ui
    assert "renderModeChips: () => false" not in vue_ui