import json
import subprocess
from pathlib import Path


BOOTSTRAP = Path(__file__).parents[1] / "frontend" / "workspace-bootstrap.js"


def run_bootstrap(scenario: str) -> dict:
    harness = f"""
const loadWorkspace = require({json.dumps(str(BOOTSTRAP))});
(async()=>{{ {scenario} }})().catch(error=>{{console.error(error);process.exit(1);}});
"""
    completed = subprocess.run(
        ["node", "-e", harness], check=True, capture_output=True, text=True
    )
    return json.loads(completed.stdout)


def test_workspace_bootstrap_loads_content_addressed_feature_before_startup():
    result = run_bootstrap("""
const status={textContent:''};
const document={
  querySelector(selector) {
    if (selector === 'meta[name="stackchain-feature-today-timer"]') return {content:'feature-workspace-abc.js'};
    if (selector === '#my-work-action-status') return status;
    return null;
  }
};
let requested='';
const createLoader=options=>({load:async name=>{requested=name + ':' + options.urls[name];}});
await loadWorkspace({document,createLoader});
console.log(JSON.stringify({requested,status:status.textContent}));
""")
    assert result == {"requested": "today-timer:feature-workspace-abc.js", "status": ""}


def test_workspace_bootstrap_keeps_shell_and_announces_retry_when_feature_fails():
    result = run_bootstrap("""
const status={textContent:''};
const document={
  querySelector(selector) {
    if (selector === 'meta[name="stackchain-feature-today-timer"]') return {content:'feature-workspace-abc.js'};
    if (selector === '#my-work-action-status') return status;
    return null;
  }
};
const createLoader=()=>({load:async()=>{throw new Error('network failed');}});
let message='';
try { await loadWorkspace({document,createLoader}); } catch (error) { message=error.message; }
console.log(JSON.stringify({message,status:status.textContent}));
""")
    assert result == {
        "message": "network failed",
        "status": "Workspace could not load. Check your connection, then reload to retry.",
    }